./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/memcpy_using_uint64_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/memcpy_using_uint64_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8 --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 b3e0b78e07fe8670460c9027050e054c1d2da6be2137e2d2851e9522a78fd2ca --- 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-2329fc7 [2022-12-13 13:13:46,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:13:46,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:13:46,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:13:46,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:13:46,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:13:46,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:13:46,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:13:46,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:13:46,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:13:46,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:13:46,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:13:46,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:13:46,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:13:46,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:13:46,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:13:46,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:13:46,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:13:46,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:13:46,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:13:46,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:13:46,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:13:46,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:13:46,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:13:46,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:13:46,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:13:46,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:13:46,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:13:46,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:13:46,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:13:46,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:13:46,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:13:46,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:13:46,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:13:46,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:13:46,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:13:46,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:13:46,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:13:46,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:13:46,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:13:46,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:13:46,692 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 13:13:46,706 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:13:46,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:13:46,707 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:13:46,707 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:13:46,707 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:13:46,707 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:13:46,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:13:46,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:13:46,708 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:13:46,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:13:46,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:13:46,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:13:46,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:13:46,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:13:46,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:13:46,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:13:46,709 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:13:46,709 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:13:46,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:13:46,710 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:13:46,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:13:46,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:13:46,710 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:13:46,710 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:13:46,710 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:13:46,710 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:13:46,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:13:46,711 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:13:46,711 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:13:46,711 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:13:46,711 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:13:46,711 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:13:46,711 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_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e0b78e07fe8670460c9027050e054c1d2da6be2137e2d2851e9522a78fd2ca [2022-12-13 13:13:46,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:13:46,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:13:46,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:13:46,907 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:13:46,907 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:13:46,908 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/aws-c-common/memcpy_using_uint64_harness_negated.i [2022-12-13 13:13:49,427 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:13:49,687 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:13:49,687 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/sv-benchmarks/c/aws-c-common/memcpy_using_uint64_harness_negated.i [2022-12-13 13:13:49,703 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/data/2b9425799/35a52b88c6bb4492854e944e92a5402c/FLAGcefcc94e5 [2022-12-13 13:13:49,985 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/data/2b9425799/35a52b88c6bb4492854e944e92a5402c [2022-12-13 13:13:49,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:13:49,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:13:49,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:13:49,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:13:49,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:13:49,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:13:49" (1/1) ... [2022-12-13 13:13:49,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60e9d689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:13:49, skipping insertion in model container [2022-12-13 13:13:49,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:13:49" (1/1) ... [2022-12-13 13:13:49,999 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:13:50,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:13:50,200 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_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/sv-benchmarks/c/aws-c-common/memcpy_using_uint64_harness_negated.i[4531,4544] [2022-12-13 13:13:50,205 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_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/sv-benchmarks/c/aws-c-common/memcpy_using_uint64_harness_negated.i[4591,4604] [2022-12-13 13:13:50,666 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:13:50,666 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:13:50,667 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:13:50,667 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:13:50,668 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:13:50,678 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:13:50,679 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:13:50,681 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:13:50,681 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:13:50,683 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:13:50,684 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:13:50,685 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:13:50,685 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:13:50,738 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 13:13:50,738 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 13:13:50,739 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 13:13:50,745 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 13:13:50,747 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 13:13:50,748 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 13:13:50,853 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 13:13:50,854 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 13:13:50,855 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 13:13:50,857 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 13:13:50,858 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 13:13:50,859 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 13:13:50,860 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 13:13:50,861 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 13:13:50,862 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 13:13:50,862 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 13:13:50,863 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 13:13:50,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:13:50,946 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:13:50,957 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_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/sv-benchmarks/c/aws-c-common/memcpy_using_uint64_harness_negated.i[4531,4544] [2022-12-13 13:13:50,958 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_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/sv-benchmarks/c/aws-c-common/memcpy_using_uint64_harness_negated.i[4591,4604] [2022-12-13 13:13:51,007 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:13:51,008 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:13:51,009 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:13:51,009 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:13:51,010 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:13:51,020 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:13:51,021 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:13:51,022 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:13:51,023 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:13:51,024 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:13:51,025 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:13:51,025 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:13:51,026 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:13:51,033 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 13:13:51,034 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 13:13:51,034 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 13:13:51,038 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 13:13:51,040 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 13:13:51,040 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 13:13:51,046 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 13:13:51,047 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 13:13:51,048 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 13:13:51,048 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 13:13:51,049 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 13:13:51,051 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 13:13:51,051 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 13:13:51,052 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 13:13:51,053 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 13:13:51,053 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 13:13:51,054 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 13:13:51,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:13:51,240 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:13:51,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:13:51 WrapperNode [2022-12-13 13:13:51,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:13:51,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:13:51,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:13:51,242 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:13:51,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:13:51" (1/1) ... [2022-12-13 13:13:51,286 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:13:51" (1/1) ... [2022-12-13 13:13:51,316 INFO L138 Inliner]: procedures = 593, calls = 626, calls flagged for inlining = 39, calls inlined = 6, statements flattened = 136 [2022-12-13 13:13:51,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:13:51,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:13:51,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:13:51,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:13:51,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:13:51" (1/1) ... [2022-12-13 13:13:51,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:13:51" (1/1) ... [2022-12-13 13:13:51,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:13:51" (1/1) ... [2022-12-13 13:13:51,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:13:51" (1/1) ... [2022-12-13 13:13:51,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:13:51" (1/1) ... [2022-12-13 13:13:51,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:13:51" (1/1) ... [2022-12-13 13:13:51,345 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:13:51" (1/1) ... [2022-12-13 13:13:51,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:13:51" (1/1) ... [2022-12-13 13:13:51,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:13:51,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:13:51,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:13:51,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:13:51,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:13:51" (1/1) ... [2022-12-13 13:13:51,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:13:51,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:13:51,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:13:51,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:13:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:13:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 13:13:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-13 13:13:51,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-13 13:13:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:13:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:13:51,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:13:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 13:13:51,416 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 13:13:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:13:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-12-13 13:13:51,417 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-12-13 13:13:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 13:13:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:13:51,600 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:13:51,602 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:13:51,817 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:13:51,823 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:13:51,824 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-13 13:13:51,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:13:51 BoogieIcfgContainer [2022-12-13 13:13:51,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:13:51,829 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:13:51,829 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:13:51,832 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:13:51,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:13:49" (1/3) ... [2022-12-13 13:13:51,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a8e015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:13:51, skipping insertion in model container [2022-12-13 13:13:51,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:13:51" (2/3) ... [2022-12-13 13:13:51,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a8e015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:13:51, skipping insertion in model container [2022-12-13 13:13:51,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:13:51" (3/3) ... [2022-12-13 13:13:51,835 INFO L112 eAbstractionObserver]: Analyzing ICFG memcpy_using_uint64_harness_negated.i [2022-12-13 13:13:51,854 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:13:51,854 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 13:13:51,902 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:13:51,909 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;@7e1f9adb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:13:51,909 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 13:13:51,913 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 47 states have (on average 1.3617021276595744) internal successors, (64), 48 states have internal predecessors, (64), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 13:13:51,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-13 13:13:51,920 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:13:51,921 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:13:51,921 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:13:51,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:13:51,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1463681059, now seen corresponding path program 1 times [2022-12-13 13:13:51,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:13:51,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103743718] [2022-12-13 13:13:51,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:13:51,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:13:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:52,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:13:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:52,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 13:13:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:52,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 13:13:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:52,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 13:13:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:52,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 13:13:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:52,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:13:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:52,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 13:13:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:52,220 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:13:52,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:13:52,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103743718] [2022-12-13 13:13:52,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103743718] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:13:52,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:13:52,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:13:52,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090589671] [2022-12-13 13:13:52,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:13:52,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 13:13:52,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:13:52,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 13:13:52,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 13:13:52,251 INFO L87 Difference]: Start difference. First operand has 63 states, 47 states have (on average 1.3617021276595744) internal successors, (64), 48 states have internal predecessors, (64), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-13 13:13:52,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:13:52,274 INFO L93 Difference]: Finished difference Result 122 states and 176 transitions. [2022-12-13 13:13:52,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 13:13:52,276 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 66 [2022-12-13 13:13:52,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:13:52,281 INFO L225 Difference]: With dead ends: 122 [2022-12-13 13:13:52,281 INFO L226 Difference]: Without dead ends: 57 [2022-12-13 13:13:52,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 13:13:52,287 INFO L413 NwaCegarLoop]: 81 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, 81 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 [2022-12-13 13:13:52,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:13:52,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-12-13 13:13:52,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-12-13 13:13:52,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 42 states have (on average 1.2619047619047619) internal successors, (53), 43 states have internal predecessors, (53), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 13:13:52,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 74 transitions. [2022-12-13 13:13:52,319 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 74 transitions. Word has length 66 [2022-12-13 13:13:52,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:13:52,319 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 74 transitions. [2022-12-13 13:13:52,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-13 13:13:52,320 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2022-12-13 13:13:52,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-13 13:13:52,322 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:13:52,322 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:13:52,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 13:13:52,322 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:13:52,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:13:52,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1147031271, now seen corresponding path program 1 times [2022-12-13 13:13:52,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:13:52,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487496050] [2022-12-13 13:13:52,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:13:52,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:13:52,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:52,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:13:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:52,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 13:13:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:52,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 13:13:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:52,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 13:13:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:52,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 13:13:52,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:52,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:13:52,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:52,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 13:13:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:52,494 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:13:52,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:13:52,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487496050] [2022-12-13 13:13:52,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487496050] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:13:52,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:13:52,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:13:52,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186872895] [2022-12-13 13:13:52,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:13:52,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:13:52,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:13:52,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:13:52,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:13:52,497 INFO L87 Difference]: Start difference. First operand 57 states and 74 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-13 13:13:52,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:13:52,515 INFO L93 Difference]: Finished difference Result 112 states and 146 transitions. [2022-12-13 13:13:52,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:13:52,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 66 [2022-12-13 13:13:52,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:13:52,516 INFO L225 Difference]: With dead ends: 112 [2022-12-13 13:13:52,516 INFO L226 Difference]: Without dead ends: 59 [2022-12-13 13:13:52,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:13:52,517 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 1 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:13:52,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 142 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:13:52,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-12-13 13:13:52,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 58. [2022-12-13 13:13:52,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 43 states have (on average 1.255813953488372) internal successors, (54), 44 states have internal predecessors, (54), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 13:13:52,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 75 transitions. [2022-12-13 13:13:52,523 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 75 transitions. Word has length 66 [2022-12-13 13:13:52,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:13:52,523 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 75 transitions. [2022-12-13 13:13:52,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-13 13:13:52,524 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2022-12-13 13:13:52,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-13 13:13:52,525 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:13:52,525 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:13:52,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 13:13:52,525 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:13:52,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:13:52,525 INFO L85 PathProgramCache]: Analyzing trace with hash 824593321, now seen corresponding path program 1 times [2022-12-13 13:13:52,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:13:52,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38238995] [2022-12-13 13:13:52,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:13:52,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:13:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:52,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:13:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:52,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:13:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:52,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 13:13:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:52,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:13:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:52,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 13:13:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:52,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 13:13:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:52,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 13:13:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:52,676 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:13:52,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:13:52,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38238995] [2022-12-13 13:13:52,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38238995] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:13:52,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600170549] [2022-12-13 13:13:52,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:13:52,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:13:52,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:13:52,678 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:13:52,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 13:13:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:52,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 13:13:52,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:13:52,862 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:13:52,862 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:13:52,901 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:13:52,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600170549] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:13:52,902 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 13:13:52,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-12-13 13:13:52,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337194403] [2022-12-13 13:13:52,902 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 13:13:52,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 13:13:52,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:13:52,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 13:13:52,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-12-13 13:13:52,905 INFO L87 Difference]: Start difference. First operand 58 states and 75 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 13:13:52,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:13:52,930 INFO L93 Difference]: Finished difference Result 117 states and 153 transitions. [2022-12-13 13:13:52,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:13:52,931 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 68 [2022-12-13 13:13:52,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:13:52,932 INFO L225 Difference]: With dead ends: 117 [2022-12-13 13:13:52,932 INFO L226 Difference]: Without dead ends: 64 [2022-12-13 13:13:52,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-12-13 13:13:52,933 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 2 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:13:52,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 212 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:13:52,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-12-13 13:13:52,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-12-13 13:13:52,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 49 states have (on average 1.2244897959183674) internal successors, (60), 50 states have internal predecessors, (60), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 13:13:52,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions. [2022-12-13 13:13:52,938 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 68 [2022-12-13 13:13:52,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:13:52,938 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 81 transitions. [2022-12-13 13:13:52,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 13:13:52,938 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2022-12-13 13:13:52,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-13 13:13:52,939 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:13:52,939 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:13:52,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 13:13:53,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:13:53,141 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:13:53,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:13:53,142 INFO L85 PathProgramCache]: Analyzing trace with hash -615657745, now seen corresponding path program 2 times [2022-12-13 13:13:53,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:13:53,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641623055] [2022-12-13 13:13:53,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:13:53,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:13:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:53,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:13:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:53,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:13:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:53,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 13:13:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:53,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 13:13:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:53,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 13:13:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:53,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 13:13:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:53,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 13:13:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:53,578 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:13:53,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:13:53,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641623055] [2022-12-13 13:13:53,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641623055] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:13:53,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121910334] [2022-12-13 13:13:53,579 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 13:13:53,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:13:53,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:13:53,580 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:13:53,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 13:13:53,858 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 13:13:53,858 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 13:13:53,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 13:13:53,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:13:53,887 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:13:53,887 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:13:53,948 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:13:53,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121910334] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:13:53,948 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 13:13:53,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-12-13 13:13:53,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706184497] [2022-12-13 13:13:53,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 13:13:53,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 13:13:53,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:13:53,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 13:13:53,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-12-13 13:13:53,950 INFO L87 Difference]: Start difference. First operand 64 states and 81 transitions. Second operand has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 13:13:53,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:13:53,997 INFO L93 Difference]: Finished difference Result 129 states and 168 transitions. [2022-12-13 13:13:53,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 13:13:53,998 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 74 [2022-12-13 13:13:53,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:13:53,999 INFO L225 Difference]: With dead ends: 129 [2022-12-13 13:13:53,999 INFO L226 Difference]: Without dead ends: 76 [2022-12-13 13:13:54,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-12-13 13:13:54,000 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 2 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:13:54,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 212 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:13:54,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-12-13 13:13:54,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-12-13 13:13:54,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 61 states have (on average 1.180327868852459) internal successors, (72), 62 states have internal predecessors, (72), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 13:13:54,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 93 transitions. [2022-12-13 13:13:54,008 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 93 transitions. Word has length 74 [2022-12-13 13:13:54,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:13:54,009 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 93 transitions. [2022-12-13 13:13:54,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 13:13:54,009 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2022-12-13 13:13:54,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-13 13:13:54,010 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:13:54,010 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:13:54,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 13:13:54,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:13:54,211 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:13:54,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:13:54,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1061818363, now seen corresponding path program 3 times [2022-12-13 13:13:54,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:13:54,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110765439] [2022-12-13 13:13:54,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:13:54,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:13:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:54,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 13:13:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:54,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 13:13:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:54,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 13:13:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:54,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:13:54,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:54,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-12-13 13:13:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:54,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-12-13 13:13:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:54,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 13:13:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:54,708 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:13:54,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:13:54,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110765439] [2022-12-13 13:13:54,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110765439] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:13:54,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923687453] [2022-12-13 13:13:54,709 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 13:13:54,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:13:54,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:13:54,711 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:13:54,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 13:13:55,647 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-12-13 13:13:55,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 13:13:55,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-13 13:13:55,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:13:56,325 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2022-12-13 13:13:56,326 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:13:56,660 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-12-13 13:13:56,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [923687453] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 13:13:56,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-13 13:13:56,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13, 14] total 34 [2022-12-13 13:13:56,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028057020] [2022-12-13 13:13:56,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:13:56,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 13:13:56,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:13:56,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 13:13:56,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=971, Unknown=0, NotChecked=0, Total=1122 [2022-12-13 13:13:56,662 INFO L87 Difference]: Start difference. First operand 76 states and 93 transitions. Second operand has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 10 states have internal predecessors, (35), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-13 13:13:56,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:13:56,990 INFO L93 Difference]: Finished difference Result 158 states and 197 transitions. [2022-12-13 13:13:56,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 13:13:56,991 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 10 states have internal predecessors, (35), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 86 [2022-12-13 13:13:56,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:13:56,992 INFO L225 Difference]: With dead ends: 158 [2022-12-13 13:13:56,992 INFO L226 Difference]: Without dead ends: 123 [2022-12-13 13:13:56,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=181, Invalid=1225, Unknown=0, NotChecked=0, Total=1406 [2022-12-13 13:13:56,994 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 170 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 13:13:56,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 553 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 13:13:56,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2022-12-13 13:13:57,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 86. [2022-12-13 13:13:57,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 69 states have internal predecessors, (81), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-13 13:13:57,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 108 transitions. [2022-12-13 13:13:57,007 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 108 transitions. Word has length 86 [2022-12-13 13:13:57,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:13:57,008 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 108 transitions. [2022-12-13 13:13:57,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 10 states have internal predecessors, (35), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-13 13:13:57,008 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 108 transitions. [2022-12-13 13:13:57,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-13 13:13:57,009 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:13:57,009 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:13:57,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 13:13:57,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:13:57,210 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:13:57,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:13:57,211 INFO L85 PathProgramCache]: Analyzing trace with hash -627125379, now seen corresponding path program 1 times [2022-12-13 13:13:57,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:13:57,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983642515] [2022-12-13 13:13:57,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:13:57,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:13:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:57,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 13:13:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:57,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 13:13:57,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:57,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 13:13:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:57,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:13:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:57,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-12-13 13:13:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:57,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-12-13 13:13:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:57,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 13:13:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:57,531 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:13:57,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:13:57,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983642515] [2022-12-13 13:13:57,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983642515] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:13:57,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077786341] [2022-12-13 13:13:57,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:13:57,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:13:57,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:13:57,532 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:13:57,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 13:13:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:57,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 13:13:57,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:13:57,734 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:13:57,734 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:13:57,881 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:13:57,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077786341] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:13:57,882 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 13:13:57,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2022-12-13 13:13:57,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612328802] [2022-12-13 13:13:57,882 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 13:13:57,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-12-13 13:13:57,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:13:57,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-12-13 13:13:57,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2022-12-13 13:13:57,884 INFO L87 Difference]: Start difference. First operand 86 states and 108 transitions. Second operand has 25 states, 25 states have (on average 3.24) internal successors, (81), 25 states have internal predecessors, (81), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 13:13:57,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:13:57,953 INFO L93 Difference]: Finished difference Result 173 states and 228 transitions. [2022-12-13 13:13:57,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-13 13:13:57,953 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.24) internal successors, (81), 25 states have internal predecessors, (81), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 86 [2022-12-13 13:13:57,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:13:57,954 INFO L225 Difference]: With dead ends: 173 [2022-12-13 13:13:57,954 INFO L226 Difference]: Without dead ends: 110 [2022-12-13 13:13:57,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2022-12-13 13:13:57,955 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 2 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:13:57,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 352 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:13:57,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-12-13 13:13:57,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2022-12-13 13:13:57,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 92 states have (on average 1.141304347826087) internal successors, (105), 93 states have internal predecessors, (105), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-13 13:13:57,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 132 transitions. [2022-12-13 13:13:57,962 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 132 transitions. Word has length 86 [2022-12-13 13:13:57,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:13:57,963 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 132 transitions. [2022-12-13 13:13:57,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.24) internal successors, (81), 25 states have internal predecessors, (81), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 13:13:57,963 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 132 transitions. [2022-12-13 13:13:57,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-12-13 13:13:57,964 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:13:57,964 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:13:57,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 13:13:58,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:13:58,165 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:13:58,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:13:58,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1026736021, now seen corresponding path program 2 times [2022-12-13 13:13:58,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:13:58,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574825966] [2022-12-13 13:13:58,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:13:58,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:13:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:58,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 13:13:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:58,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-12-13 13:13:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:58,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 13:13:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:58,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 13:13:58,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:58,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 13:13:58,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:58,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 13:13:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:58,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:13:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:58,961 INFO L134 CoverageAnalysis]: Checked inductivity of 568 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:13:58,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:13:58,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574825966] [2022-12-13 13:13:58,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574825966] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:13:58,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30308599] [2022-12-13 13:13:58,961 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 13:13:58,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:13:58,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:13:58,962 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:13:58,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 13:13:59,255 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 13:13:59,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 13:13:59,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-13 13:13:59,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:13:59,317 INFO L134 CoverageAnalysis]: Checked inductivity of 568 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:13:59,318 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:13:59,853 INFO L134 CoverageAnalysis]: Checked inductivity of 568 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:13:59,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30308599] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:13:59,853 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 13:13:59,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 49 [2022-12-13 13:13:59,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757907192] [2022-12-13 13:13:59,854 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 13:13:59,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-12-13 13:13:59,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:13:59,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-12-13 13:13:59,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2022-12-13 13:13:59,856 INFO L87 Difference]: Start difference. First operand 110 states and 132 transitions. Second operand has 49 states, 49 states have (on average 2.63265306122449) internal successors, (129), 49 states have internal predecessors, (129), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 13:14:00,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:14:00,002 INFO L93 Difference]: Finished difference Result 221 states and 288 transitions. [2022-12-13 13:14:00,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-12-13 13:14:00,003 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 2.63265306122449) internal successors, (129), 49 states have internal predecessors, (129), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 110 [2022-12-13 13:14:00,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:14:00,004 INFO L225 Difference]: With dead ends: 221 [2022-12-13 13:14:00,004 INFO L226 Difference]: Without dead ends: 158 [2022-12-13 13:14:00,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2022-12-13 13:14:00,006 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 2 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:14:00,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 352 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:14:00,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2022-12-13 13:14:00,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2022-12-13 13:14:00,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 140 states have (on average 1.0928571428571427) internal successors, (153), 141 states have internal predecessors, (153), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-13 13:14:00,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 180 transitions. [2022-12-13 13:14:00,022 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 180 transitions. Word has length 110 [2022-12-13 13:14:00,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:14:00,023 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 180 transitions. [2022-12-13 13:14:00,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 2.63265306122449) internal successors, (129), 49 states have internal predecessors, (129), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 13:14:00,023 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 180 transitions. [2022-12-13 13:14:00,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-12-13 13:14:00,025 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:14:00,025 INFO L195 NwaCegarLoop]: trace histogram [46, 46, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:14:00,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 13:14:00,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:14:00,227 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:14:00,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:14:00,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1639727045, now seen corresponding path program 3 times [2022-12-13 13:14:00,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:14:00,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651415241] [2022-12-13 13:14:00,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:14:00,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:14:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:02,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 13:14:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:02,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 13:14:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:02,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 13:14:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:02,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-12-13 13:14:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:02,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 13:14:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:02,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 13:14:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:02,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-12-13 13:14:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:02,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 0 proven. 2116 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:14:02,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:14:02,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651415241] [2022-12-13 13:14:02,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651415241] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:14:02,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461828170] [2022-12-13 13:14:02,172 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 13:14:02,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:14:02,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:14:02,173 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:14:02,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 13:14:02,840 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-12-13 13:14:02,840 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 13:14:02,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-13 13:14:02,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:14:03,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2182 trivial. 0 not checked. [2022-12-13 13:14:03,685 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:14:04,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2200 trivial. 0 not checked. [2022-12-13 13:14:04,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461828170] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 13:14:04,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-13 13:14:04,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [49, 14] total 70 [2022-12-13 13:14:04,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491825524] [2022-12-13 13:14:04,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:14:04,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 13:14:04,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:14:04,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 13:14:04,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1249, Invalid=3581, Unknown=0, NotChecked=0, Total=4830 [2022-12-13 13:14:04,184 INFO L87 Difference]: Start difference. First operand 158 states and 180 transitions. Second operand has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 10 states have internal predecessors, (35), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-13 13:14:04,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:14:04,602 INFO L93 Difference]: Finished difference Result 229 states and 267 transitions. [2022-12-13 13:14:04,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 13:14:04,603 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 10 states have internal predecessors, (35), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 158 [2022-12-13 13:14:04,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:14:04,604 INFO L225 Difference]: With dead ends: 229 [2022-12-13 13:14:04,604 INFO L226 Difference]: Without dead ends: 196 [2022-12-13 13:14:04,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1118 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1279, Invalid=4123, Unknown=0, NotChecked=0, Total=5402 [2022-12-13 13:14:04,605 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 131 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 13:14:04,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 632 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 13:14:04,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2022-12-13 13:14:04,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 162. [2022-12-13 13:14:04,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 144 states have (on average 1.0972222222222223) internal successors, (158), 145 states have internal predecessors, (158), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-13 13:14:04,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 185 transitions. [2022-12-13 13:14:04,616 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 185 transitions. Word has length 158 [2022-12-13 13:14:04,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:14:04,617 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 185 transitions. [2022-12-13 13:14:04,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 10 states have internal predecessors, (35), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-13 13:14:04,617 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 185 transitions. [2022-12-13 13:14:04,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-12-13 13:14:04,618 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:14:04,618 INFO L195 NwaCegarLoop]: trace histogram [46, 46, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:14:04,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 13:14:04,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-12-13 13:14:04,819 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:14:04,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:14:04,821 INFO L85 PathProgramCache]: Analyzing trace with hash 51379143, now seen corresponding path program 1 times [2022-12-13 13:14:04,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:14:04,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502161314] [2022-12-13 13:14:04,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:14:04,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:14:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:06,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 13:14:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:06,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 13:14:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:06,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 13:14:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:06,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-12-13 13:14:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:06,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 13:14:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:06,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 13:14:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:06,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-12-13 13:14:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:06,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 0 proven. 2116 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:14:06,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:14:06,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502161314] [2022-12-13 13:14:06,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502161314] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:14:06,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152967966] [2022-12-13 13:14:06,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:14:06,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:14:06,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:14:06,483 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:14:06,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 13:14:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:06,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 1278 conjuncts, 48 conjunts are in the unsatisfiable core [2022-12-13 13:14:06,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:14:06,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 0 proven. 2116 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:14:06,978 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:14:08,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 0 proven. 2116 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:14:08,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [152967966] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:14:08,909 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 13:14:08,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 97 [2022-12-13 13:14:08,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969501300] [2022-12-13 13:14:08,909 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 13:14:08,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2022-12-13 13:14:08,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:14:08,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2022-12-13 13:14:08,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2022-12-13 13:14:08,913 INFO L87 Difference]: Start difference. First operand 162 states and 185 transitions. Second operand has 97 states, 97 states have (on average 2.3195876288659796) internal successors, (225), 97 states have internal predecessors, (225), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 13:14:09,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:14:09,242 INFO L93 Difference]: Finished difference Result 325 states and 418 transitions. [2022-12-13 13:14:09,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-12-13 13:14:09,243 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 97 states have (on average 2.3195876288659796) internal successors, (225), 97 states have internal predecessors, (225), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 158 [2022-12-13 13:14:09,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:14:09,244 INFO L225 Difference]: With dead ends: 325 [2022-12-13 13:14:09,244 INFO L226 Difference]: Without dead ends: 258 [2022-12-13 13:14:09,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2022-12-13 13:14:09,247 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 2 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 13:14:09,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 352 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 13:14:09,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2022-12-13 13:14:09,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2022-12-13 13:14:09,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 240 states have (on average 1.0583333333333333) internal successors, (254), 241 states have internal predecessors, (254), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-13 13:14:09,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 281 transitions. [2022-12-13 13:14:09,255 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 281 transitions. Word has length 158 [2022-12-13 13:14:09,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:14:09,255 INFO L495 AbstractCegarLoop]: Abstraction has 258 states and 281 transitions. [2022-12-13 13:14:09,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 2.3195876288659796) internal successors, (225), 97 states have internal predecessors, (225), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 13:14:09,255 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 281 transitions. [2022-12-13 13:14:09,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-12-13 13:14:09,257 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:14:09,257 INFO L195 NwaCegarLoop]: trace histogram [94, 94, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:14:09,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 13:14:09,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:14:09,459 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:14:09,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:14:09,462 INFO L85 PathProgramCache]: Analyzing trace with hash -850813913, now seen corresponding path program 2 times [2022-12-13 13:14:09,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:14:09,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717650146] [2022-12-13 13:14:09,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:14:09,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:14:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:15,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 13:14:15,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:15,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-12-13 13:14:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:15,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 13:14:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:15,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-12-13 13:14:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:15,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 13:14:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:15,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 13:14:15,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:15,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 13:14:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:15,153 INFO L134 CoverageAnalysis]: Checked inductivity of 8920 backedges. 0 proven. 8836 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:14:15,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:14:15,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717650146] [2022-12-13 13:14:15,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717650146] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:14:15,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76672955] [2022-12-13 13:14:15,154 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 13:14:15,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:14:15,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:14:15,154 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:14:15,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 13:14:15,868 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 13:14:15,868 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 13:14:15,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 2286 conjuncts, 96 conjunts are in the unsatisfiable core [2022-12-13 13:14:15,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:14:16,100 INFO L134 CoverageAnalysis]: Checked inductivity of 8920 backedges. 0 proven. 8836 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:14:16,100 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:14:21,367 INFO L134 CoverageAnalysis]: Checked inductivity of 8920 backedges. 0 proven. 8836 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:14:21,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76672955] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:14:21,367 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 13:14:21,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97, 97, 97] total 163 [2022-12-13 13:14:21,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438458913] [2022-12-13 13:14:21,367 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 13:14:21,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 163 states [2022-12-13 13:14:21,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:14:21,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 163 interpolants. [2022-12-13 13:14:21,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13203, Invalid=13203, Unknown=0, NotChecked=0, Total=26406 [2022-12-13 13:14:21,375 INFO L87 Difference]: Start difference. First operand 258 states and 281 transitions. Second operand has 163 states, 163 states have (on average 2.2024539877300615) internal successors, (359), 163 states have internal predecessors, (359), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 13:14:21,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:14:21,955 INFO L93 Difference]: Finished difference Result 457 states and 568 transitions. [2022-12-13 13:14:21,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2022-12-13 13:14:21,955 INFO L78 Accepts]: Start accepts. Automaton has has 163 states, 163 states have (on average 2.2024539877300615) internal successors, (359), 163 states have internal predecessors, (359), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 254 [2022-12-13 13:14:21,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:14:21,957 INFO L225 Difference]: With dead ends: 457 [2022-12-13 13:14:21,957 INFO L226 Difference]: Without dead ends: 390 [2022-12-13 13:14:21,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 617 GetRequests, 426 SyntacticMatches, 30 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2761 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=13203, Invalid=13203, Unknown=0, NotChecked=0, Total=26406 [2022-12-13 13:14:21,959 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 1 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 13:14:21,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 492 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 13:14:21,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2022-12-13 13:14:21,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 390. [2022-12-13 13:14:21,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 372 states have (on average 1.0376344086021505) internal successors, (386), 373 states have internal predecessors, (386), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-13 13:14:21,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 413 transitions. [2022-12-13 13:14:21,969 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 413 transitions. Word has length 254 [2022-12-13 13:14:21,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:14:21,969 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 413 transitions. [2022-12-13 13:14:21,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 163 states, 163 states have (on average 2.2024539877300615) internal successors, (359), 163 states have internal predecessors, (359), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 13:14:21,970 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 413 transitions. [2022-12-13 13:14:21,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2022-12-13 13:14:21,973 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:14:21,973 INFO L195 NwaCegarLoop]: trace histogram [160, 160, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:14:21,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 13:14:22,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 13:14:22,175 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:14:22,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:14:22,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1656459349, now seen corresponding path program 3 times [2022-12-13 13:14:22,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:14:22,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705513501] [2022-12-13 13:14:22,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:14:22,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:14:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:25,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-12-13 13:14:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:25,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-12-13 13:14:25,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:25,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-12-13 13:14:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:25,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-12-13 13:14:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:25,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-12-13 13:14:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:25,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-12-13 13:14:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:25,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-12-13 13:14:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:25,379 INFO L134 CoverageAnalysis]: Checked inductivity of 25684 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 25666 trivial. 0 not checked. [2022-12-13 13:14:25,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:14:25,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705513501] [2022-12-13 13:14:25,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705513501] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:14:25,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145632971] [2022-12-13 13:14:25,379 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 13:14:25,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:14:25,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:14:25,381 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:14:25,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 13:14:26,257 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-12-13 13:14:26,257 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 13:14:26,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-13 13:14:26,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:14:27,173 INFO L134 CoverageAnalysis]: Checked inductivity of 25684 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 25666 trivial. 0 not checked. [2022-12-13 13:14:27,173 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:14:27,469 INFO L134 CoverageAnalysis]: Checked inductivity of 25684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25684 trivial. 0 not checked. [2022-12-13 13:14:27,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1145632971] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 13:14:27,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-13 13:14:27,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12, 14] total 31 [2022-12-13 13:14:27,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757198282] [2022-12-13 13:14:27,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:14:27,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 13:14:27,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:14:27,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 13:14:27,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=812, Unknown=0, NotChecked=0, Total=930 [2022-12-13 13:14:27,470 INFO L87 Difference]: Start difference. First operand 390 states and 413 transitions. Second operand has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 10 states have internal predecessors, (35), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-13 13:14:27,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:14:27,719 INFO L93 Difference]: Finished difference Result 456 states and 493 transitions. [2022-12-13 13:14:27,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 13:14:27,719 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 10 states have internal predecessors, (35), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 386 [2022-12-13 13:14:27,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:14:27,720 INFO L225 Difference]: With dead ends: 456 [2022-12-13 13:14:27,720 INFO L226 Difference]: Without dead ends: 425 [2022-12-13 13:14:27,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 800 GetRequests, 767 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=151, Invalid=1039, Unknown=0, NotChecked=0, Total=1190 [2022-12-13 13:14:27,721 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 173 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 13:14:27,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 440 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 13:14:27,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2022-12-13 13:14:27,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 394. [2022-12-13 13:14:27,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 376 states have (on average 1.0398936170212767) internal successors, (391), 377 states have internal predecessors, (391), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-13 13:14:27,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 418 transitions. [2022-12-13 13:14:27,731 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 418 transitions. Word has length 386 [2022-12-13 13:14:27,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:14:27,732 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 418 transitions. [2022-12-13 13:14:27,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 10 states have internal predecessors, (35), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-13 13:14:27,732 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 418 transitions. [2022-12-13 13:14:27,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2022-12-13 13:14:27,736 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:14:27,736 INFO L195 NwaCegarLoop]: trace histogram [160, 160, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:14:27,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-13 13:14:27,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-13 13:14:27,938 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:14:27,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:14:27,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1358644269, now seen corresponding path program 1 times [2022-12-13 13:14:27,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:14:27,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107137292] [2022-12-13 13:14:27,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:14:27,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:14:28,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:31,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-12-13 13:14:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:31,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-12-13 13:14:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:31,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-12-13 13:14:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:31,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-12-13 13:14:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:31,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-12-13 13:14:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:31,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-12-13 13:14:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:31,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-12-13 13:14:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:31,596 INFO L134 CoverageAnalysis]: Checked inductivity of 25684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25684 trivial. 0 not checked. [2022-12-13 13:14:31,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:14:31,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107137292] [2022-12-13 13:14:31,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107137292] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:14:31,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:14:31,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 13:14:31,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95961273] [2022-12-13 13:14:31,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:14:31,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 13:14:31,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:14:31,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 13:14:31,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-12-13 13:14:31,599 INFO L87 Difference]: Start difference. First operand 394 states and 418 transitions. Second operand has 11 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2022-12-13 13:14:31,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:14:31,843 INFO L93 Difference]: Finished difference Result 450 states and 486 transitions. [2022-12-13 13:14:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 13:14:31,844 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 386 [2022-12-13 13:14:31,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:14:31,845 INFO L225 Difference]: With dead ends: 450 [2022-12-13 13:14:31,845 INFO L226 Difference]: Without dead ends: 409 [2022-12-13 13:14:31,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-12-13 13:14:31,846 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 222 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:14:31,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 383 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:14:31,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2022-12-13 13:14:31,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 396. [2022-12-13 13:14:31,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 378 states have (on average 1.0317460317460319) internal successors, (390), 379 states have internal predecessors, (390), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-13 13:14:31,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 417 transitions. [2022-12-13 13:14:31,862 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 417 transitions. Word has length 386 [2022-12-13 13:14:31,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:14:31,862 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 417 transitions. [2022-12-13 13:14:31,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2022-12-13 13:14:31,862 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 417 transitions. [2022-12-13 13:14:31,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2022-12-13 13:14:31,864 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:14:31,864 INFO L195 NwaCegarLoop]: trace histogram [160, 160, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:14:31,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 13:14:31,864 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:14:31,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:14:31,865 INFO L85 PathProgramCache]: Analyzing trace with hash -2142006093, now seen corresponding path program 1 times [2022-12-13 13:14:31,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:14:31,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868218378] [2022-12-13 13:14:31,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:14:31,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:14:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:14:33,618 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:14:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:14:35,239 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:14:35,240 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 13:14:35,240 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 13:14:35,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 13:14:35,244 INFO L445 BasicCegarLoop]: Path program histogram: [3, 3, 3, 1, 1, 1, 1] [2022-12-13 13:14:35,247 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:14:35,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:14:35 BoogieIcfgContainer [2022-12-13 13:14:35,343 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:14:35,343 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:14:35,343 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:14:35,344 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:14:35,344 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:13:51" (3/4) ... [2022-12-13 13:14:35,346 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 13:14:35,346 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:14:35,346 INFO L158 Benchmark]: Toolchain (without parser) took 45358.41ms. Allocated memory was 153.1MB in the beginning and 704.6MB in the end (delta: 551.6MB). Free memory was 119.0MB in the beginning and 289.7MB in the end (delta: -170.7MB). Peak memory consumption was 381.9MB. Max. memory is 16.1GB. [2022-12-13 13:14:35,346 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 153.1MB. Free memory is still 130.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:14:35,347 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1252.11ms. Allocated memory is still 153.1MB. Free memory was 119.0MB in the beginning and 69.4MB in the end (delta: 49.7MB). Peak memory consumption was 71.7MB. Max. memory is 16.1GB. [2022-12-13 13:14:35,347 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.13ms. Allocated memory is still 153.1MB. Free memory was 69.4MB in the beginning and 64.4MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 13:14:35,347 INFO L158 Benchmark]: Boogie Preprocessor took 33.89ms. Allocated memory is still 153.1MB. Free memory was 64.4MB in the beginning and 61.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:14:35,347 INFO L158 Benchmark]: RCFGBuilder took 474.56ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 61.6MB in the beginning and 136.3MB in the end (delta: -74.6MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2022-12-13 13:14:35,347 INFO L158 Benchmark]: TraceAbstraction took 43514.33ms. Allocated memory was 192.9MB in the beginning and 704.6MB in the end (delta: 511.7MB). Free memory was 135.2MB in the beginning and 289.7MB in the end (delta: -154.5MB). Peak memory consumption was 480.9MB. Max. memory is 16.1GB. [2022-12-13 13:14:35,347 INFO L158 Benchmark]: Witness Printer took 2.63ms. Allocated memory is still 704.6MB. Free memory is still 289.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:14:35,348 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 153.1MB. Free memory is still 130.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1252.11ms. Allocated memory is still 153.1MB. Free memory was 119.0MB in the beginning and 69.4MB in the end (delta: 49.7MB). Peak memory consumption was 71.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.13ms. Allocated memory is still 153.1MB. Free memory was 69.4MB in the beginning and 64.4MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.89ms. Allocated memory is still 153.1MB. Free memory was 64.4MB in the beginning and 61.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 474.56ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 61.6MB in the beginning and 136.3MB in the end (delta: -74.6MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * TraceAbstraction took 43514.33ms. Allocated memory was 192.9MB in the beginning and 704.6MB in the end (delta: 511.7MB). Free memory was 135.2MB in the beginning and 289.7MB in the end (delta: -154.5MB). Peak memory consumption was 480.9MB. Max. memory is 16.1GB. * Witness Printer took 2.63ms. Allocated memory is still 704.6MB. Free memory is still 289.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 224]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 5890. Possible FailurePath: [L5944] CALL memcpy_using_uint64_harness() [L5931] char s[160]; [L5932] char d1[160]; [L5933] char d2[160]; [L5934] int i = 0; VAL [d1={161:0}, d2={163:0}, i=0, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=1, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=2, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=3, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=4, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=5, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=6, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=7, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=8, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=9, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=10, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=11, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=12, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=13, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=14, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=15, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=16, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=17, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=18, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=19, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=20, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=21, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=22, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=23, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=24, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=25, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=26, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=27, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=28, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=29, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=30, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=31, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=32, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=33, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=34, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=35, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=36, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=37, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=38, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=39, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=40, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=41, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=42, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=43, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=44, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=45, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=46, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=47, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=48, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=49, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=50, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=51, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=52, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=53, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=54, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=55, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=56, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=57, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=58, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=59, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=60, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=61, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=62, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=63, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=64, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=65, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=66, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=67, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=68, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=69, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=70, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=71, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=72, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=73, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=74, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=75, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=76, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=77, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=78, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=79, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=80, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=81, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=82, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=83, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=84, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=85, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=86, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=87, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=88, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=89, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=90, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=91, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=92, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=93, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=94, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=95, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=96, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=97, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=98, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=99, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=100, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=101, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=102, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=103, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=104, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=105, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=106, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=107, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=108, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=109, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=110, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=111, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=112, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=113, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=114, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=115, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=116, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=117, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=118, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=119, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=120, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=121, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=122, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=123, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=124, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=125, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=126, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=127, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=128, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=129, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=130, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=131, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=132, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=133, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=134, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=135, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=136, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=137, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=138, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=139, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=140, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=141, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=142, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=143, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=144, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=145, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=146, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=147, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=148, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=149, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=150, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=151, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=152, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=153, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=154, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=155, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=156, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=157, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=158, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=159, s={162:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={161:0}, d2={163:0}, i=160, s={162:0}] [L5934] COND FALSE !(i < 160) VAL [d1={161:0}, d2={163:0}, i=160, s={162:0}] [L5938] unsigned size = __VERIFIER_nondet_uint(); [L5939] CALL assume_abort_if_not(size < 160) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5939] RET assume_abort_if_not(size < 160) VAL [d1={161:0}, d2={163:0}, i=160, s={162:0}, size=0] [L5940] CALL memcpy_impl(d1, s, size) [L5867] CALL assume_abort_if_not(dst != src || ((const char *)src >= (const char *)dst + n) || ((const char *)dst >= (const char *)src + n)) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5867] RET assume_abort_if_not(dst != src || ((const char *)src >= (const char *)dst + n) || ((const char *)dst >= (const char *)src + n)) VAL [dst={161:0}, n=0, src={162:0}] [L5871] CALL assume_abort_if_not((((n) == 0) || (src))) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5871] RET assume_abort_if_not((((n) == 0) || (src))) VAL [dst={161:0}, n=0, src={162:0}] [L5872] CALL assume_abort_if_not((((n) == 0) || (dst))) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5872] RET assume_abort_if_not((((n) == 0) || (dst))) VAL [dst={161:0}, n=0, src={162:0}] [L5874] unsigned long i = 0; VAL [dst={161:0}, i=0, n=0, src={162:0}] [L5874] COND FALSE !(i < n) VAL [dst={161:0}, i=0, n=0, src={162:0}] [L5877] return dst; VAL [dst={161:0}, i=0, n=0, src={162:0}] [L5940] RET memcpy_impl(d1, s, size) [L5941] CALL memcpy_using_uint64_impl(d2, s, size) [L5882] CALL assume_abort_if_not(dst != src || ((const char *)src >= (const char *)dst + n) || ((const char *)dst >= (const char *)src + n)) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5882] RET assume_abort_if_not(dst != src || ((const char *)src >= (const char *)dst + n) || ((const char *)dst >= (const char *)src + n)) VAL [dst={163:0}, n=0, src={162:0}] [L5886] CALL assume_abort_if_not((((n) == 0) || (src))) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5886] RET assume_abort_if_not((((n) == 0) || (src))) VAL [dst={163:0}, n=0, src={162:0}] [L5887] CALL assume_abort_if_not((((n) == 0) || (dst))) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5887] RET assume_abort_if_not((((n) == 0) || (dst))) VAL [dst={163:0}, n=0, src={162:0}] [L5889] size_t num_uint64s = n >> 3; [L5890] size_t rem = n & 0x7; [L5892] uint8_t *d = (uint8_t *)dst; [L5893] const uint8_t *s = (const uint8_t *)src; [L5897] case 7: VAL [d={163:0}, dst={163:0}, n=0, num_uint64s=0, rem=0, s={162:0}, src={162:0}] [L5899] case 6: VAL [d={163:0}, dst={163:0}, n=0, num_uint64s=0, rem=0, s={162:0}, src={162:0}] [L5901] case 5: VAL [d={163:0}, dst={163:0}, n=0, num_uint64s=0, rem=0, s={162:0}, src={162:0}] [L5903] case 4: VAL [d={163:0}, dst={163:0}, n=0, num_uint64s=0, rem=0, s={162:0}, src={162:0}] [L5905] case 3: VAL [d={163:0}, dst={163:0}, n=0, num_uint64s=0, rem=0, s={162:0}, src={162:0}] [L5907] case 2: VAL [d={163:0}, dst={163:0}, n=0, num_uint64s=0, rem=0, s={162:0}, src={162:0}] [L5909] case 1: VAL [d={163:0}, dst={163:0}, n=0, num_uint64s=0, rem=0, s={162:0}, src={162:0}] [L5913] d += rem [L5914] s += rem [L5916] size_t i = 0; VAL [d={163:0}, dst={163:0}, i=0, n=0, num_uint64s=0, rem=0, s={162:0}, src={162:0}] [L5916] COND FALSE !(i < num_uint64s) VAL [d={163:0}, dst={163:0}, i=0, n=0, num_uint64s=0, rem=0, s={162:0}, src={162:0}] [L5920] return dst; VAL [d={163:0}, dst={163:0}, i=0, n=0, num_uint64s=0, rem=0, s={162:0}, src={162:0}] [L5941] RET memcpy_using_uint64_impl(d2, s, size) [L5942] CALL assert_bytes_match(d1, d2, size) [L5655] CALL __VERIFIER_assert(!(!a == !b)) VAL [\old(cond)=0] [L224] COND TRUE !cond VAL [\old(cond)=0, cond=0] [L224] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 43.4s, OverallIterations: 13, TraceHistogramMax: 160, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 726 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 708 mSDsluCounter, 4203 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3289 mSDsCounter, 170 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1629 IncrementalHoareTripleChecker+Invalid, 1799 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 170 mSolverCounterUnsat, 914 mSDtfsCounter, 1629 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3225 GetRequests, 2695 SyntacticMatches, 31 SemanticMatches, 499 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4869 ImplicationChecksByTransitivity, 13.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=396occurred in iteration=12, InterpolantAutomatonStates: 392, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 116 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 5.8s SatisfiabilityAnalysisTime, 28.5s InterpolantComputationTime, 3664 NumberOfCodeBlocks, 3226 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 4628 ConstructedInterpolants, 0 QuantifiedInterpolants, 13408 SizeOfPredicates, 36 NumberOfNonLiveVariables, 6867 ConjunctsInSsa, 294 ConjunctsInUnsatCore, 30 InterpolantComputations, 6 PerfectInterpolantSequences, 109280/146227 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 13:14:35,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/memcpy_using_uint64_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8 --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 b3e0b78e07fe8670460c9027050e054c1d2da6be2137e2d2851e9522a78fd2ca --- 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-2329fc7 [2022-12-13 13:14:36,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:14:36,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:14:36,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:14:36,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:14:36,958 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:14:36,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:14:36,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:14:36,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:14:36,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:14:36,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:14:36,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:14:36,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:14:36,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:14:36,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:14:36,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:14:36,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:14:36,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:14:36,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:14:36,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:14:36,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:14:36,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:14:36,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:14:36,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:14:36,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:14:36,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:14:36,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:14:36,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:14:36,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:14:36,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:14:36,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:14:36,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:14:36,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:14:36,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:14:36,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:14:36,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:14:36,989 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:14:36,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:14:36,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:14:36,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:14:36,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:14:36,992 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 13:14:37,019 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:14:37,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:14:37,019 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:14:37,020 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:14:37,020 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:14:37,020 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:14:37,021 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:14:37,021 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:14:37,021 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:14:37,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:14:37,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:14:37,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:14:37,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:14:37,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:14:37,022 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 13:14:37,023 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 13:14:37,023 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 13:14:37,023 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:14:37,023 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:14:37,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:14:37,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:14:37,023 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:14:37,023 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:14:37,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:14:37,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:14:37,024 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:14:37,024 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:14:37,024 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 13:14:37,024 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 13:14:37,024 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:14:37,024 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:14:37,025 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:14:37,025 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:14:37,025 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 13:14:37,025 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:14:37,025 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_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e0b78e07fe8670460c9027050e054c1d2da6be2137e2d2851e9522a78fd2ca [2022-12-13 13:14:37,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:14:37,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:14:37,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:14:37,273 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:14:37,273 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:14:37,274 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/aws-c-common/memcpy_using_uint64_harness_negated.i [2022-12-13 13:14:39,794 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:14:40,041 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:14:40,041 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/sv-benchmarks/c/aws-c-common/memcpy_using_uint64_harness_negated.i [2022-12-13 13:14:40,059 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/data/100b06bee/63ece7c063a44fe1b24778e60278671e/FLAG5065d1e55 [2022-12-13 13:14:40,070 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/data/100b06bee/63ece7c063a44fe1b24778e60278671e [2022-12-13 13:14:40,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:14:40,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:14:40,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:14:40,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:14:40,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:14:40,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:14:40" (1/1) ... [2022-12-13 13:14:40,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aed58c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:14:40, skipping insertion in model container [2022-12-13 13:14:40,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:14:40" (1/1) ... [2022-12-13 13:14:40,083 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:14:40,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:14:40,292 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_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/sv-benchmarks/c/aws-c-common/memcpy_using_uint64_harness_negated.i[4531,4544] [2022-12-13 13:14:40,297 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_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/sv-benchmarks/c/aws-c-common/memcpy_using_uint64_harness_negated.i[4591,4604] [2022-12-13 13:14:40,698 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:40,698 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:40,699 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:40,699 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:40,700 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:40,714 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:40,715 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:40,717 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:40,717 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:40,719 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:40,720 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:40,721 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:40,722 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:40,770 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 13:14:40,770 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 13:14:40,771 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 13:14:40,777 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 13:14:40,779 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 13:14:40,779 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 13:14:40,865 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 13:14:40,867 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 13:14:40,868 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 13:14:40,868 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 13:14:40,869 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 13:14:40,870 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 13:14:40,870 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 13:14:40,871 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 13:14:40,871 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 13:14:40,872 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 13:14:40,872 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 13:14:40,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:14:40,946 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-13 13:14:40,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:14:40,964 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_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/sv-benchmarks/c/aws-c-common/memcpy_using_uint64_harness_negated.i[4531,4544] [2022-12-13 13:14:40,964 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_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/sv-benchmarks/c/aws-c-common/memcpy_using_uint64_harness_negated.i[4591,4604] [2022-12-13 13:14:41,003 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:41,004 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:41,004 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:41,005 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:41,005 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:41,013 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:41,014 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:41,014 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:41,015 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:41,016 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:41,016 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:41,017 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:41,017 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:41,024 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 13:14:41,025 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 13:14:41,025 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 13:14:41,028 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 13:14:41,029 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 13:14:41,030 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 13:14:41,034 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 13:14:41,034 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 13:14:41,035 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 13:14:41,036 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 13:14:41,036 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 13:14:41,037 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 13:14:41,038 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 13:14:41,038 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 13:14:41,038 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 13:14:41,039 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 13:14:41,039 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 13:14:41,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:14:41,061 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:14:41,071 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_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/sv-benchmarks/c/aws-c-common/memcpy_using_uint64_harness_negated.i[4531,4544] [2022-12-13 13:14:41,072 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_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/sv-benchmarks/c/aws-c-common/memcpy_using_uint64_harness_negated.i[4591,4604] [2022-12-13 13:14:41,107 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:41,107 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:41,107 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:41,108 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:41,108 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:41,114 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:41,114 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:41,115 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:41,115 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:41,116 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:41,117 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:41,117 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:41,117 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:14:41,122 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 13:14:41,123 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 13:14:41,123 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 13:14:41,126 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 13:14:41,126 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 13:14:41,127 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 13:14:41,130 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 13:14:41,131 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 13:14:41,131 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 13:14:41,132 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 13:14:41,132 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 13:14:41,133 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 13:14:41,133 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 13:14:41,134 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 13:14:41,134 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 13:14:41,134 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 13:14:41,135 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 13:14:41,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:14:41,265 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:14:41,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:14:41 WrapperNode [2022-12-13 13:14:41,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:14:41,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:14:41,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:14:41,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:14:41,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:14:41" (1/1) ... [2022-12-13 13:14:41,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:14:41" (1/1) ... [2022-12-13 13:14:41,346 INFO L138 Inliner]: procedures = 612, calls = 626, calls flagged for inlining = 39, calls inlined = 6, statements flattened = 136 [2022-12-13 13:14:41,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:14:41,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:14:41,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:14:41,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:14:41,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:14:41" (1/1) ... [2022-12-13 13:14:41,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:14:41" (1/1) ... [2022-12-13 13:14:41,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:14:41" (1/1) ... [2022-12-13 13:14:41,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:14:41" (1/1) ... [2022-12-13 13:14:41,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:14:41" (1/1) ... [2022-12-13 13:14:41,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:14:41" (1/1) ... [2022-12-13 13:14:41,381 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:14:41" (1/1) ... [2022-12-13 13:14:41,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:14:41" (1/1) ... [2022-12-13 13:14:41,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:14:41,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:14:41,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:14:41,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:14:41,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:14:41" (1/1) ... [2022-12-13 13:14:41,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:14:41,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:14:41,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:14:41,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:14:41,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:14:41,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 13:14:41,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-13 13:14:41,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-13 13:14:41,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:14:41,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:14:41,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:14:41,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-13 13:14:41,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-12-13 13:14:41,453 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 13:14:41,454 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 13:14:41,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:14:41,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-12-13 13:14:41,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-13 13:14:41,454 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-12-13 13:14:41,454 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-12-13 13:14:41,647 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:14:41,648 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:14:41,964 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:14:41,970 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:14:41,970 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-13 13:14:41,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:14:41 BoogieIcfgContainer [2022-12-13 13:14:41,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:14:41,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:14:41,975 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:14:41,978 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:14:41,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:14:40" (1/3) ... [2022-12-13 13:14:41,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b8ad3f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:14:41, skipping insertion in model container [2022-12-13 13:14:41,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:14:41" (2/3) ... [2022-12-13 13:14:41,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b8ad3f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:14:41, skipping insertion in model container [2022-12-13 13:14:41,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:14:41" (3/3) ... [2022-12-13 13:14:41,981 INFO L112 eAbstractionObserver]: Analyzing ICFG memcpy_using_uint64_harness_negated.i [2022-12-13 13:14:42,000 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:14:42,000 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 13:14:42,047 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:14:42,054 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;@266be7a8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:14:42,054 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 13:14:42,058 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 47 states have (on average 1.3617021276595744) internal successors, (64), 48 states have internal predecessors, (64), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 13:14:42,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-13 13:14:42,068 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:14:42,068 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:14:42,069 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:14:42,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:14:42,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1463681059, now seen corresponding path program 1 times [2022-12-13 13:14:42,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:14:42,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1032000344] [2022-12-13 13:14:42,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:14:42,084 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 [2022-12-13 13:14:42,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:14:42,086 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 13:14:42,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:14:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:42,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 13:14:42,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:14:42,356 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-12-13 13:14:42,356 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:14:42,357 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:14:42,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1032000344] [2022-12-13 13:14:42,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1032000344] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:14:42,358 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:14:42,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:14:42,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960634548] [2022-12-13 13:14:42,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:14:42,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 13:14:42,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:14:42,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 13:14:42,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 13:14:42,396 INFO L87 Difference]: Start difference. First operand has 63 states, 47 states have (on average 1.3617021276595744) internal successors, (64), 48 states have internal predecessors, (64), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-13 13:14:42,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:14:42,421 INFO L93 Difference]: Finished difference Result 122 states and 176 transitions. [2022-12-13 13:14:42,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 13:14:42,423 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 66 [2022-12-13 13:14:42,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:14:42,430 INFO L225 Difference]: With dead ends: 122 [2022-12-13 13:14:42,430 INFO L226 Difference]: Without dead ends: 57 [2022-12-13 13:14:42,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 13:14:42,436 INFO L413 NwaCegarLoop]: 81 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, 81 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 [2022-12-13 13:14:42,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:14:42,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-12-13 13:14:42,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-12-13 13:14:42,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 42 states have (on average 1.2619047619047619) internal successors, (53), 43 states have internal predecessors, (53), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 13:14:42,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 74 transitions. [2022-12-13 13:14:42,472 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 74 transitions. Word has length 66 [2022-12-13 13:14:42,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:14:42,473 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 74 transitions. [2022-12-13 13:14:42,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-13 13:14:42,473 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2022-12-13 13:14:42,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-13 13:14:42,475 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:14:42,475 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:14:42,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:14:42,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:14:42,678 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:14:42,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:14:42,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1147031271, now seen corresponding path program 1 times [2022-12-13 13:14:42,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:14:42,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [700097446] [2022-12-13 13:14:42,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:14:42,687 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 [2022-12-13 13:14:42,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:14:42,691 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 13:14:42,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:14:42,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:42,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 13:14:42,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:14:42,995 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:14:42,995 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:14:42,996 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:14:42,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [700097446] [2022-12-13 13:14:42,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [700097446] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:14:42,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:14:42,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:14:42,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623032407] [2022-12-13 13:14:42,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:14:42,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:14:42,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:14:42,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:14:42,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:14:42,999 INFO L87 Difference]: Start difference. First operand 57 states and 74 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-13 13:14:43,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:14:43,024 INFO L93 Difference]: Finished difference Result 112 states and 146 transitions. [2022-12-13 13:14:43,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:14:43,025 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 66 [2022-12-13 13:14:43,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:14:43,026 INFO L225 Difference]: With dead ends: 112 [2022-12-13 13:14:43,026 INFO L226 Difference]: Without dead ends: 59 [2022-12-13 13:14:43,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:14:43,028 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 1 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:14:43,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 142 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:14:43,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-12-13 13:14:43,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 58. [2022-12-13 13:14:43,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 43 states have (on average 1.255813953488372) internal successors, (54), 44 states have internal predecessors, (54), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 13:14:43,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 75 transitions. [2022-12-13 13:14:43,037 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 75 transitions. Word has length 66 [2022-12-13 13:14:43,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:14:43,037 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 75 transitions. [2022-12-13 13:14:43,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-13 13:14:43,037 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2022-12-13 13:14:43,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-13 13:14:43,039 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:14:43,039 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:14:43,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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)] Ended with exit code 0 [2022-12-13 13:14:43,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:14:43,240 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:14:43,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:14:43,240 INFO L85 PathProgramCache]: Analyzing trace with hash 824593321, now seen corresponding path program 1 times [2022-12-13 13:14:43,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:14:43,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [200155796] [2022-12-13 13:14:43,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:14:43,241 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 [2022-12-13 13:14:43,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:14:43,242 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 13:14:43,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:14:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:43,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 13:14:43,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:14:43,430 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:14:43,430 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:14:43,478 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:14:43,478 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:14:43,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [200155796] [2022-12-13 13:14:43,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [200155796] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:14:43,479 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 13:14:43,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-12-13 13:14:43,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696865107] [2022-12-13 13:14:43,479 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 13:14:43,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:14:43,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:14:43,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:14:43,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:14:43,481 INFO L87 Difference]: Start difference. First operand 58 states and 75 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 13:14:43,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:14:43,552 INFO L93 Difference]: Finished difference Result 117 states and 153 transitions. [2022-12-13 13:14:43,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:14:43,553 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 68 [2022-12-13 13:14:43,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:14:43,554 INFO L225 Difference]: With dead ends: 117 [2022-12-13 13:14:43,554 INFO L226 Difference]: Without dead ends: 64 [2022-12-13 13:14:43,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-12-13 13:14:43,556 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 3 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:14:43,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 282 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:14:43,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-12-13 13:14:43,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-12-13 13:14:43,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 49 states have (on average 1.2244897959183674) internal successors, (60), 50 states have internal predecessors, (60), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 13:14:43,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions. [2022-12-13 13:14:43,565 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 68 [2022-12-13 13:14:43,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:14:43,565 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 81 transitions. [2022-12-13 13:14:43,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 13:14:43,566 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2022-12-13 13:14:43,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-13 13:14:43,567 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:14:43,567 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:14:43,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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)] Ended with exit code 0 [2022-12-13 13:14:43,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:14:43,769 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:14:43,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:14:43,771 INFO L85 PathProgramCache]: Analyzing trace with hash -615657745, now seen corresponding path program 2 times [2022-12-13 13:14:43,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:14:43,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [222824731] [2022-12-13 13:14:43,775 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 13:14:43,776 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 [2022-12-13 13:14:43,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:14:43,779 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 13:14:43,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:14:44,101 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 13:14:44,101 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 13:14:44,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 13:14:44,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:14:44,168 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:14:44,168 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:14:44,288 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:14:44,289 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:14:44,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [222824731] [2022-12-13 13:14:44,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [222824731] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:14:44,289 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 13:14:44,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-12-13 13:14:44,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124606512] [2022-12-13 13:14:44,290 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 13:14:44,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 13:14:44,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:14:44,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 13:14:44,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-12-13 13:14:44,292 INFO L87 Difference]: Start difference. First operand 64 states and 81 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 13:14:44,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:14:44,559 INFO L93 Difference]: Finished difference Result 129 states and 168 transitions. [2022-12-13 13:14:44,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 13:14:44,560 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 74 [2022-12-13 13:14:44,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:14:44,561 INFO L225 Difference]: With dead ends: 129 [2022-12-13 13:14:44,561 INFO L226 Difference]: Without dead ends: 76 [2022-12-13 13:14:44,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-12-13 13:14:44,563 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 7 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:14:44,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 492 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:14:44,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-12-13 13:14:44,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-12-13 13:14:44,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 61 states have (on average 1.180327868852459) internal successors, (72), 62 states have internal predecessors, (72), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 13:14:44,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 93 transitions. [2022-12-13 13:14:44,572 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 93 transitions. Word has length 74 [2022-12-13 13:14:44,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:14:44,572 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 93 transitions. [2022-12-13 13:14:44,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 13:14:44,573 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2022-12-13 13:14:44,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-13 13:14:44,574 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:14:44,574 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:14:44,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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)] Ended with exit code 0 [2022-12-13 13:14:44,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:14:44,776 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:14:44,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:14:44,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1061818363, now seen corresponding path program 3 times [2022-12-13 13:14:44,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:14:44,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1132357150] [2022-12-13 13:14:44,778 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 13:14:44,778 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 [2022-12-13 13:14:44,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:14:44,780 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 13:14:44,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:14:45,223 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-12-13 13:14:45,223 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 13:14:45,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-13 13:14:45,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:14:45,602 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2022-12-13 13:14:45,602 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:14:45,853 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-12-13 13:14:45,854 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:14:45,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1132357150] [2022-12-13 13:14:45,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1132357150] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 13:14:45,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 13:14:45,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 18 [2022-12-13 13:14:45,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296517261] [2022-12-13 13:14:45,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:14:45,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 13:14:45,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:14:45,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 13:14:45,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2022-12-13 13:14:45,856 INFO L87 Difference]: Start difference. First operand 76 states and 93 transitions. Second operand has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-13 13:14:46,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:14:46,294 INFO L93 Difference]: Finished difference Result 158 states and 197 transitions. [2022-12-13 13:14:46,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 13:14:46,295 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 86 [2022-12-13 13:14:46,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:14:46,296 INFO L225 Difference]: With dead ends: 158 [2022-12-13 13:14:46,296 INFO L226 Difference]: Without dead ends: 123 [2022-12-13 13:14:46,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=84, Invalid=378, Unknown=0, NotChecked=0, Total=462 [2022-12-13 13:14:46,297 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 162 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 13:14:46,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 323 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 13:14:46,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2022-12-13 13:14:46,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 86. [2022-12-13 13:14:46,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 69 states have internal predecessors, (81), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-13 13:14:46,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 108 transitions. [2022-12-13 13:14:46,306 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 108 transitions. Word has length 86 [2022-12-13 13:14:46,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:14:46,306 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 108 transitions. [2022-12-13 13:14:46,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-13 13:14:46,306 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 108 transitions. [2022-12-13 13:14:46,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-13 13:14:46,307 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:14:46,307 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:14:46,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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)] Ended with exit code 0 [2022-12-13 13:14:46,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:14:46,508 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:14:46,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:14:46,510 INFO L85 PathProgramCache]: Analyzing trace with hash -627125379, now seen corresponding path program 1 times [2022-12-13 13:14:46,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:14:46,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1039068906] [2022-12-13 13:14:46,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:14:46,512 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 [2022-12-13 13:14:46,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:14:46,515 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 13:14:46,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:14:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:46,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 13:14:46,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:14:46,853 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:14:46,853 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:14:47,204 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:14:47,204 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:14:47,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1039068906] [2022-12-13 13:14:47,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1039068906] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:14:47,204 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 13:14:47,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2022-12-13 13:14:47,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161082207] [2022-12-13 13:14:47,204 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 13:14:47,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 13:14:47,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:14:47,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 13:14:47,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2022-12-13 13:14:47,206 INFO L87 Difference]: Start difference. First operand 86 states and 108 transitions. Second operand has 24 states, 24 states have (on average 3.25) internal successors, (78), 24 states have internal predecessors, (78), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 13:14:48,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:14:48,383 INFO L93 Difference]: Finished difference Result 173 states and 228 transitions. [2022-12-13 13:14:48,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-13 13:14:48,384 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 3.25) internal successors, (78), 24 states have internal predecessors, (78), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 86 [2022-12-13 13:14:48,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:14:48,385 INFO L225 Difference]: With dead ends: 173 [2022-12-13 13:14:48,385 INFO L226 Difference]: Without dead ends: 110 [2022-12-13 13:14:48,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=406, Invalid=716, Unknown=0, NotChecked=0, Total=1122 [2022-12-13 13:14:48,386 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 13 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 13:14:48,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 842 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 13:14:48,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-12-13 13:14:48,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2022-12-13 13:14:48,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 92 states have (on average 1.141304347826087) internal successors, (105), 93 states have internal predecessors, (105), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-13 13:14:48,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 132 transitions. [2022-12-13 13:14:48,395 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 132 transitions. Word has length 86 [2022-12-13 13:14:48,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:14:48,395 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 132 transitions. [2022-12-13 13:14:48,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.25) internal successors, (78), 24 states have internal predecessors, (78), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 13:14:48,395 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 132 transitions. [2022-12-13 13:14:48,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-12-13 13:14:48,396 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:14:48,397 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:14:48,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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)] Ended with exit code 0 [2022-12-13 13:14:48,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:14:48,598 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:14:48,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:14:48,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1026736021, now seen corresponding path program 2 times [2022-12-13 13:14:48,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:14:48,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [930670367] [2022-12-13 13:14:48,602 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 13:14:48,602 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 [2022-12-13 13:14:48,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:14:48,605 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 13:14:48,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:14:48,940 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 13:14:48,940 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 13:14:48,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-13 13:14:48,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:14:49,210 INFO L134 CoverageAnalysis]: Checked inductivity of 568 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:14:49,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:14:50,670 INFO L134 CoverageAnalysis]: Checked inductivity of 568 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:14:50,670 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:14:50,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [930670367] [2022-12-13 13:14:50,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [930670367] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:14:50,670 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 13:14:50,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 48 [2022-12-13 13:14:50,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69695429] [2022-12-13 13:14:50,671 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 13:14:50,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-12-13 13:14:50,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:14:50,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-12-13 13:14:50,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=622, Invalid=1634, Unknown=0, NotChecked=0, Total=2256 [2022-12-13 13:14:50,673 INFO L87 Difference]: Start difference. First operand 110 states and 132 transitions. Second operand has 48 states, 48 states have (on average 2.625) internal successors, (126), 48 states have internal predecessors, (126), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 13:14:57,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:14:57,243 INFO L93 Difference]: Finished difference Result 221 states and 288 transitions. [2022-12-13 13:14:57,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-12-13 13:14:57,244 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 2.625) internal successors, (126), 48 states have internal predecessors, (126), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 110 [2022-12-13 13:14:57,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:14:57,245 INFO L225 Difference]: With dead ends: 221 [2022-12-13 13:14:57,245 INFO L226 Difference]: Without dead ends: 158 [2022-12-13 13:14:57,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=1678, Invalid=3152, Unknown=0, NotChecked=0, Total=4830 [2022-12-13 13:14:57,247 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 24 mSDsluCounter, 1680 mSDsCounter, 0 mSdLazyCounter, 1150 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 1752 SdHoareTripleChecker+Invalid, 1152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-13 13:14:57,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 1752 Invalid, 1152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1150 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-13 13:14:57,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2022-12-13 13:14:57,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2022-12-13 13:14:57,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 140 states have (on average 1.0928571428571427) internal successors, (153), 141 states have internal predecessors, (153), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-13 13:14:57,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 180 transitions. [2022-12-13 13:14:57,262 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 180 transitions. Word has length 110 [2022-12-13 13:14:57,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:14:57,263 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 180 transitions. [2022-12-13 13:14:57,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 2.625) internal successors, (126), 48 states have internal predecessors, (126), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 13:14:57,263 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 180 transitions. [2022-12-13 13:14:57,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-12-13 13:14:57,265 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:14:57,265 INFO L195 NwaCegarLoop]: trace histogram [46, 46, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:14:57,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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)] Ended with exit code 0 [2022-12-13 13:14:57,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:14:57,467 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:14:57,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:14:57,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1639727045, now seen corresponding path program 3 times [2022-12-13 13:14:57,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:14:57,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1958829882] [2022-12-13 13:14:57,471 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 13:14:57,471 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 [2022-12-13 13:14:57,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:14:57,473 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 13:14:57,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 (9)] Waiting until timeout for monitored process [2022-12-13 13:14:57,882 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-12-13 13:14:57,882 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 13:14:57,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-13 13:14:57,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:14:58,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2182 trivial. 0 not checked. [2022-12-13 13:14:58,188 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:14:58,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2200 trivial. 0 not checked. [2022-12-13 13:14:58,411 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:14:58,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1958829882] [2022-12-13 13:14:58,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1958829882] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 13:14:58,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 13:14:58,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 18 [2022-12-13 13:14:58,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751834750] [2022-12-13 13:14:58,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:14:58,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 13:14:58,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:14:58,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 13:14:58,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2022-12-13 13:14:58,413 INFO L87 Difference]: Start difference. First operand 158 states and 180 transitions. Second operand has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-13 13:14:58,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:14:58,840 INFO L93 Difference]: Finished difference Result 229 states and 267 transitions. [2022-12-13 13:14:58,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 13:14:58,841 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 158 [2022-12-13 13:14:58,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:14:58,842 INFO L225 Difference]: With dead ends: 229 [2022-12-13 13:14:58,842 INFO L226 Difference]: Without dead ends: 196 [2022-12-13 13:14:58,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=378, Unknown=0, NotChecked=0, Total=462 [2022-12-13 13:14:58,843 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 140 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 13:14:58,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 355 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 13:14:58,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2022-12-13 13:14:58,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 162. [2022-12-13 13:14:58,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 144 states have (on average 1.0972222222222223) internal successors, (158), 145 states have internal predecessors, (158), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-13 13:14:58,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 185 transitions. [2022-12-13 13:14:58,859 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 185 transitions. Word has length 158 [2022-12-13 13:14:58,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:14:58,859 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 185 transitions. [2022-12-13 13:14:58,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-13 13:14:58,859 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 185 transitions. [2022-12-13 13:14:58,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-12-13 13:14:58,861 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:14:58,861 INFO L195 NwaCegarLoop]: trace histogram [46, 46, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:14:58,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 (9)] Ended with exit code 0 [2022-12-13 13:14:59,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:14:59,063 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:14:59,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:14:59,065 INFO L85 PathProgramCache]: Analyzing trace with hash 51379143, now seen corresponding path program 1 times [2022-12-13 13:14:59,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:14:59,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [865969051] [2022-12-13 13:14:59,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:14:59,067 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 [2022-12-13 13:14:59,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:14:59,070 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 13:14:59,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 (10)] Waiting until timeout for monitored process [2022-12-13 13:14:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:59,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 48 conjunts are in the unsatisfiable core [2022-12-13 13:14:59,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:15:00,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 0 proven. 2116 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:15:00,297 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:15:06,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 0 proven. 2116 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:15:06,707 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:15:06,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [865969051] [2022-12-13 13:15:06,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [865969051] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:15:06,707 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 13:15:06,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49] total 96 [2022-12-13 13:15:06,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242096471] [2022-12-13 13:15:06,707 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 13:15:06,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2022-12-13 13:15:06,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:15:06,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2022-12-13 13:15:06,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2398, Invalid=6722, Unknown=0, NotChecked=0, Total=9120 [2022-12-13 13:15:06,711 INFO L87 Difference]: Start difference. First operand 162 states and 185 transitions. Second operand has 96 states, 96 states have (on average 2.3125) internal successors, (222), 96 states have internal predecessors, (222), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 13:15:49,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:15:49,785 INFO L93 Difference]: Finished difference Result 325 states and 418 transitions. [2022-12-13 13:15:49,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-12-13 13:15:49,786 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 96 states have (on average 2.3125) internal successors, (222), 96 states have internal predecessors, (222), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 158 [2022-12-13 13:15:49,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:15:49,787 INFO L225 Difference]: With dead ends: 325 [2022-12-13 13:15:49,787 INFO L226 Difference]: Without dead ends: 258 [2022-12-13 13:15:49,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1035 ImplicationChecksByTransitivity, 43.2s TimeCoverageRelationStatistics Valid=6814, Invalid=13208, Unknown=0, NotChecked=0, Total=20022 [2022-12-13 13:15:49,790 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 49 mSDsluCounter, 3290 mSDsCounter, 0 mSdLazyCounter, 4605 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 3362 SdHoareTripleChecker+Invalid, 4607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-12-13 13:15:49,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 3362 Invalid, 4607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4605 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-12-13 13:15:49,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2022-12-13 13:15:49,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2022-12-13 13:15:49,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 240 states have (on average 1.0583333333333333) internal successors, (254), 241 states have internal predecessors, (254), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-13 13:15:49,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 281 transitions. [2022-12-13 13:15:49,800 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 281 transitions. Word has length 158 [2022-12-13 13:15:49,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:15:49,800 INFO L495 AbstractCegarLoop]: Abstraction has 258 states and 281 transitions. [2022-12-13 13:15:49,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 2.3125) internal successors, (222), 96 states have internal predecessors, (222), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 13:15:49,800 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 281 transitions. [2022-12-13 13:15:49,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-12-13 13:15:49,802 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:15:49,802 INFO L195 NwaCegarLoop]: trace histogram [94, 94, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:15:49,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 (10)] Ended with exit code 0 [2022-12-13 13:15:50,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:15:50,004 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:15:50,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:15:50,005 INFO L85 PathProgramCache]: Analyzing trace with hash -850813913, now seen corresponding path program 2 times [2022-12-13 13:15:50,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:15:50,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [227950837] [2022-12-13 13:15:50,008 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 13:15:50,009 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 [2022-12-13 13:15:50,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:15:50,011 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 13:15:50,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 (11)] Waiting until timeout for monitored process [2022-12-13 13:15:50,751 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 13:15:50,751 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 13:15:50,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 1228 conjuncts, 96 conjunts are in the unsatisfiable core [2022-12-13 13:15:50,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:15:54,001 INFO L134 CoverageAnalysis]: Checked inductivity of 8920 backedges. 0 proven. 8836 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:15:54,001 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:16:14,368 INFO L134 CoverageAnalysis]: Checked inductivity of 8920 backedges. 0 proven. 8836 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 13:16:14,369 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:16:14,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [227950837] [2022-12-13 13:16:14,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [227950837] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:16:14,369 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 13:16:14,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97, 97] total 192 [2022-12-13 13:16:14,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383137119] [2022-12-13 13:16:14,369 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 13:16:14,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2022-12-13 13:16:14,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:16:14,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2022-12-13 13:16:14,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8971, Invalid=27701, Unknown=0, NotChecked=0, Total=36672 [2022-12-13 13:16:14,376 INFO L87 Difference]: Start difference. First operand 258 states and 281 transitions. Second operand has 192 states, 192 states have (on average 2.15625) internal successors, (414), 192 states have internal predecessors, (414), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 13:18:55,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:18:55,785 INFO L93 Difference]: Finished difference Result 457 states and 568 transitions. [2022-12-13 13:18:55,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2022-12-13 13:18:55,786 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 192 states have (on average 2.15625) internal successors, (414), 192 states have internal predecessors, (414), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 254 [2022-12-13 13:18:55,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:18:55,787 INFO L225 Difference]: With dead ends: 457 [2022-12-13 13:18:55,787 INFO L226 Difference]: Without dead ends: 390 [2022-12-13 13:18:55,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 570 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 254 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4336 ImplicationChecksByTransitivity, 161.4s TimeCoverageRelationStatistics Valid=19339, Invalid=45941, Unknown=0, NotChecked=0, Total=65280 [2022-12-13 13:18:55,792 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 67 mSDsluCounter, 6720 mSDsCounter, 0 mSdLazyCounter, 15251 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 6792 SdHoareTripleChecker+Invalid, 15252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:18:55,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 6792 Invalid, 15252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15251 Invalid, 0 Unknown, 0 Unchecked, 22.1s Time] [2022-12-13 13:18:55,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2022-12-13 13:18:55,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 390. [2022-12-13 13:18:55,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 372 states have (on average 1.0376344086021505) internal successors, (386), 373 states have internal predecessors, (386), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-13 13:18:55,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 413 transitions. [2022-12-13 13:18:55,806 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 413 transitions. Word has length 254 [2022-12-13 13:18:55,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:18:55,806 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 413 transitions. [2022-12-13 13:18:55,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 192 states have (on average 2.15625) internal successors, (414), 192 states have internal predecessors, (414), 1 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 13:18:55,806 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 413 transitions. [2022-12-13 13:18:55,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2022-12-13 13:18:55,809 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:18:55,809 INFO L195 NwaCegarLoop]: trace histogram [160, 160, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:18:55,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 (11)] Forceful destruction successful, exit code 0 [2022-12-13 13:18:56,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:18:56,011 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:18:56,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:56,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1656459349, now seen corresponding path program 3 times [2022-12-13 13:18:56,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:18:56,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2052597128] [2022-12-13 13:18:56,018 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 13:18:56,018 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 [2022-12-13 13:18:56,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:18:56,021 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 13:18:56,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 (12)] Waiting until timeout for monitored process [2022-12-13 13:18:56,534 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-12-13 13:18:56,534 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 13:18:56,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-13 13:18:56,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:18:56,832 INFO L134 CoverageAnalysis]: Checked inductivity of 25684 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 25666 trivial. 0 not checked. [2022-12-13 13:18:56,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:18:57,030 INFO L134 CoverageAnalysis]: Checked inductivity of 25684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25684 trivial. 0 not checked. [2022-12-13 13:18:57,031 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:18:57,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2052597128] [2022-12-13 13:18:57,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2052597128] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 13:18:57,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 13:18:57,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 18 [2022-12-13 13:18:57,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943380443] [2022-12-13 13:18:57,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:18:57,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 13:18:57,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:18:57,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 13:18:57,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2022-12-13 13:18:57,035 INFO L87 Difference]: Start difference. First operand 390 states and 413 transitions. Second operand has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-13 13:18:57,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:18:57,591 INFO L93 Difference]: Finished difference Result 456 states and 493 transitions. [2022-12-13 13:18:57,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 13:18:57,591 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 386 [2022-12-13 13:18:57,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:18:57,593 INFO L225 Difference]: With dead ends: 456 [2022-12-13 13:18:57,593 INFO L226 Difference]: Without dead ends: 425 [2022-12-13 13:18:57,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 774 GetRequests, 754 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=378, Unknown=0, NotChecked=0, Total=462 [2022-12-13 13:18:57,594 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 131 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 13:18:57,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 459 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 13:18:57,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2022-12-13 13:18:57,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 394. [2022-12-13 13:18:57,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 376 states have (on average 1.0398936170212767) internal successors, (391), 377 states have internal predecessors, (391), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-13 13:18:57,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 418 transitions. [2022-12-13 13:18:57,619 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 418 transitions. Word has length 386 [2022-12-13 13:18:57,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:18:57,620 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 418 transitions. [2022-12-13 13:18:57,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-13 13:18:57,620 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 418 transitions. [2022-12-13 13:18:57,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2022-12-13 13:18:57,621 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:18:57,622 INFO L195 NwaCegarLoop]: trace histogram [160, 160, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:18:57,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 (12)] Ended with exit code 0 [2022-12-13 13:18:57,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:18:57,823 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:18:57,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:57,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1358644269, now seen corresponding path program 1 times [2022-12-13 13:18:57,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:18:57,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [607106104] [2022-12-13 13:18:57,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:57,829 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 [2022-12-13 13:18:57,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:18:57,830 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 13:18:57,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 (13)] Waiting until timeout for monitored process [2022-12-13 13:18:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:59,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 1945 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-13 13:18:59,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:19:00,523 INFO L134 CoverageAnalysis]: Checked inductivity of 25684 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 25666 trivial. 0 not checked. [2022-12-13 13:19:00,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:19:00,737 INFO L134 CoverageAnalysis]: Checked inductivity of 25684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25684 trivial. 0 not checked. [2022-12-13 13:19:00,737 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:19:00,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [607106104] [2022-12-13 13:19:00,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [607106104] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 13:19:00,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 13:19:00,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 19 [2022-12-13 13:19:00,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330209099] [2022-12-13 13:19:00,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:19:00,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 13:19:00,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:19:00,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 13:19:00,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2022-12-13 13:19:00,738 INFO L87 Difference]: Start difference. First operand 394 states and 418 transitions. Second operand has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-13 13:19:01,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:19:01,124 INFO L93 Difference]: Finished difference Result 455 states and 491 transitions. [2022-12-13 13:19:01,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 13:19:01,126 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 386 [2022-12-13 13:19:01,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:19:01,127 INFO L225 Difference]: With dead ends: 455 [2022-12-13 13:19:01,127 INFO L226 Difference]: Without dead ends: 426 [2022-12-13 13:19:01,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 774 GetRequests, 753 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=84, Invalid=422, Unknown=0, NotChecked=0, Total=506 [2022-12-13 13:19:01,128 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 206 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 13:19:01,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 294 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 13:19:01,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2022-12-13 13:19:01,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 398. [2022-12-13 13:19:01,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 380 states have (on average 1.0421052631578946) internal successors, (396), 381 states have internal predecessors, (396), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-13 13:19:01,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 423 transitions. [2022-12-13 13:19:01,142 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 423 transitions. Word has length 386 [2022-12-13 13:19:01,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:19:01,143 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 423 transitions. [2022-12-13 13:19:01,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-13 13:19:01,143 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 423 transitions. [2022-12-13 13:19:01,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2022-12-13 13:19:01,145 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:19:01,145 INFO L195 NwaCegarLoop]: trace histogram [160, 160, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:19:01,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 (13)] Ended with exit code 0 [2022-12-13 13:19:01,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:19:01,347 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:19:01,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:19:01,348 INFO L85 PathProgramCache]: Analyzing trace with hash 771838255, now seen corresponding path program 1 times [2022-12-13 13:19:01,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:19:01,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1423733749] [2022-12-13 13:19:01,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:19:01,353 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 [2022-12-13 13:19:01,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:19:01,356 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 13:19:01,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 (14)] Waiting until timeout for monitored process [2022-12-13 13:19:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:19:02,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 1936 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-13 13:19:02,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:19:03,945 INFO L134 CoverageAnalysis]: Checked inductivity of 25684 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 25666 trivial. 0 not checked. [2022-12-13 13:19:03,945 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:19:04,162 INFO L134 CoverageAnalysis]: Checked inductivity of 25684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25684 trivial. 0 not checked. [2022-12-13 13:19:04,162 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:19:04,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1423733749] [2022-12-13 13:19:04,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1423733749] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 13:19:04,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 13:19:04,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 19 [2022-12-13 13:19:04,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730534975] [2022-12-13 13:19:04,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:19:04,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 13:19:04,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:19:04,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 13:19:04,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2022-12-13 13:19:04,164 INFO L87 Difference]: Start difference. First operand 398 states and 423 transitions. Second operand has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-13 13:19:04,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:19:04,568 INFO L93 Difference]: Finished difference Result 454 states and 489 transitions. [2022-12-13 13:19:04,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 13:19:04,569 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 386 [2022-12-13 13:19:04,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:19:04,570 INFO L225 Difference]: With dead ends: 454 [2022-12-13 13:19:04,571 INFO L226 Difference]: Without dead ends: 427 [2022-12-13 13:19:04,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 774 GetRequests, 753 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=84, Invalid=422, Unknown=0, NotChecked=0, Total=506 [2022-12-13 13:19:04,571 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 212 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 13:19:04,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 297 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 13:19:04,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2022-12-13 13:19:04,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 402. [2022-12-13 13:19:04,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 384 states have (on average 1.0442708333333333) internal successors, (401), 385 states have internal predecessors, (401), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-13 13:19:04,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 428 transitions. [2022-12-13 13:19:04,588 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 428 transitions. Word has length 386 [2022-12-13 13:19:04,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:19:04,588 INFO L495 AbstractCegarLoop]: Abstraction has 402 states and 428 transitions. [2022-12-13 13:19:04,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-13 13:19:04,588 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 428 transitions. [2022-12-13 13:19:04,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2022-12-13 13:19:04,590 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:19:04,590 INFO L195 NwaCegarLoop]: trace histogram [160, 160, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:19:04,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 (14)] Forceful destruction successful, exit code 0 [2022-12-13 13:19:04,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:19:04,791 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:19:04,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:19:04,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1472902833, now seen corresponding path program 1 times [2022-12-13 13:19:04,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:19:04,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [943048796] [2022-12-13 13:19:04,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:19:04,792 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 [2022-12-13 13:19:04,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:19:04,793 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 13:19:04,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 (15)] Waiting until timeout for monitored process [2022-12-13 13:19:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:19:06,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 1927 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-13 13:19:06,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:19:07,558 INFO L134 CoverageAnalysis]: Checked inductivity of 25684 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 25666 trivial. 0 not checked. [2022-12-13 13:19:07,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:19:07,858 INFO L134 CoverageAnalysis]: Checked inductivity of 25684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25684 trivial. 0 not checked. [2022-12-13 13:19:07,859 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:19:07,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [943048796] [2022-12-13 13:19:07,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [943048796] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 13:19:07,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 13:19:07,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 19 [2022-12-13 13:19:07,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655124709] [2022-12-13 13:19:07,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:19:07,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 13:19:07,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:19:07,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 13:19:07,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2022-12-13 13:19:07,860 INFO L87 Difference]: Start difference. First operand 402 states and 428 transitions. Second operand has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-13 13:19:08,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:19:08,397 INFO L93 Difference]: Finished difference Result 453 states and 487 transitions. [2022-12-13 13:19:08,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 13:19:08,398 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 386 [2022-12-13 13:19:08,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:19:08,401 INFO L225 Difference]: With dead ends: 453 [2022-12-13 13:19:08,401 INFO L226 Difference]: Without dead ends: 428 [2022-12-13 13:19:08,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 774 GetRequests, 753 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=84, Invalid=422, Unknown=0, NotChecked=0, Total=506 [2022-12-13 13:19:08,402 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 138 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 13:19:08,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 402 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 13:19:08,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2022-12-13 13:19:08,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 406. [2022-12-13 13:19:08,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 388 states have (on average 1.0463917525773196) internal successors, (406), 389 states have internal predecessors, (406), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-13 13:19:08,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 433 transitions. [2022-12-13 13:19:08,425 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 433 transitions. Word has length 386 [2022-12-13 13:19:08,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:19:08,425 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 433 transitions. [2022-12-13 13:19:08,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-13 13:19:08,425 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 433 transitions. [2022-12-13 13:19:08,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2022-12-13 13:19:08,427 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:19:08,427 INFO L195 NwaCegarLoop]: trace histogram [160, 160, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:19:08,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 (15)] Ended with exit code 0 [2022-12-13 13:19:08,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:19:08,627 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:19:08,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:19:08,628 INFO L85 PathProgramCache]: Analyzing trace with hash -2142006093, now seen corresponding path program 1 times [2022-12-13 13:19:08,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:19:08,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1170506983] [2022-12-13 13:19:08,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:19:08,629 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 [2022-12-13 13:19:08,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:19:08,630 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 13:19:08,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 (16)] Waiting until timeout for monitored process [2022-12-13 13:19:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:19:18,946 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:19:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:19:28,445 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 13:19:28,445 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 13:19:28,446 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 13:19:28,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 (16)] Forceful destruction successful, exit code 0 [2022-12-13 13:19:28,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:19:28,658 INFO L445 BasicCegarLoop]: Path program histogram: [3, 3, 3, 1, 1, 1, 1, 1, 1] [2022-12-13 13:19:28,669 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:19:28,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:19:28 BoogieIcfgContainer [2022-12-13 13:19:28,796 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:19:28,797 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:19:28,797 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:19:28,797 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:19:28,797 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:14:41" (3/4) ... [2022-12-13 13:19:28,799 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 13:19:28,876 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 13:19:28,876 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:19:28,876 INFO L158 Benchmark]: Toolchain (without parser) took 288803.61ms. Allocated memory was 62.9MB in the beginning and 132.1MB in the end (delta: 69.2MB). Free memory was 29.0MB in the beginning and 44.4MB in the end (delta: -15.4MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. [2022-12-13 13:19:28,876 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:19:28,877 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1191.54ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 28.8MB in the beginning and 33.8MB in the end (delta: -5.0MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2022-12-13 13:19:28,877 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.70ms. Allocated memory is still 90.2MB. Free memory was 33.8MB in the beginning and 53.6MB in the end (delta: -19.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:19:28,877 INFO L158 Benchmark]: Boogie Preprocessor took 42.28ms. Allocated memory is still 90.2MB. Free memory was 53.6MB in the beginning and 50.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 13:19:28,877 INFO L158 Benchmark]: RCFGBuilder took 582.92ms. Allocated memory is still 90.2MB. Free memory was 50.5MB in the beginning and 48.6MB in the end (delta: 1.9MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2022-12-13 13:19:28,877 INFO L158 Benchmark]: TraceAbstraction took 286821.57ms. Allocated memory was 90.2MB in the beginning and 132.1MB in the end (delta: 41.9MB). Free memory was 47.6MB in the beginning and 64.7MB in the end (delta: -17.1MB). Peak memory consumption was 66.7MB. Max. memory is 16.1GB. [2022-12-13 13:19:28,877 INFO L158 Benchmark]: Witness Printer took 79.10ms. Allocated memory is still 132.1MB. Free memory was 64.7MB in the beginning and 44.4MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-13 13:19:28,879 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1191.54ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 28.8MB in the beginning and 33.8MB in the end (delta: -5.0MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.70ms. Allocated memory is still 90.2MB. Free memory was 33.8MB in the beginning and 53.6MB in the end (delta: -19.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.28ms. Allocated memory is still 90.2MB. Free memory was 53.6MB in the beginning and 50.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 582.92ms. Allocated memory is still 90.2MB. Free memory was 50.5MB in the beginning and 48.6MB in the end (delta: 1.9MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * TraceAbstraction took 286821.57ms. Allocated memory was 90.2MB in the beginning and 132.1MB in the end (delta: 41.9MB). Free memory was 47.6MB in the beginning and 64.7MB in the end (delta: -17.1MB). Peak memory consumption was 66.7MB. Max. memory is 16.1GB. * Witness Printer took 79.10ms. Allocated memory is still 132.1MB. Free memory was 64.7MB in the beginning and 44.4MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 224]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L5944] CALL memcpy_using_uint64_harness() [L5931] char s[160]; [L5932] char d1[160]; [L5933] char d2[160]; [L5934] int i = 0; VAL [d1={7:0}, d2={-9223372036854775805:0}, i=0, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=1, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=2, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=3, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=4, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=5, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=6, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=7, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=8, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=9, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=10, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=11, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=12, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=13, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=14, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=15, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=16, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=17, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=18, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=19, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=20, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=21, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=22, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=23, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=24, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=25, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=26, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=27, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=28, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=29, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=30, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=31, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=32, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=33, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=34, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=35, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=36, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=37, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=38, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=39, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=40, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=41, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=42, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=43, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=44, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=45, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=46, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=47, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=48, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=49, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=50, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=51, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=52, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=53, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=54, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=55, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=56, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=57, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=58, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=59, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=60, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=61, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=62, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=63, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=64, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=65, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=66, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=67, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=68, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=69, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=70, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=71, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=72, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=73, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=74, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=75, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=76, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=77, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=78, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=79, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=80, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=81, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=82, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=83, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=84, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=85, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=86, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=87, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=88, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=89, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=90, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=91, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=92, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=93, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=94, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=95, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=96, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=97, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=98, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=99, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=100, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=101, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=102, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=103, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=104, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=105, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=106, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=107, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=108, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=109, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=110, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=111, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=112, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=113, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=114, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=115, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=116, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=117, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=118, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=119, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=120, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=121, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=122, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=123, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=124, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=125, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=126, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=127, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=128, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=129, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=130, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=131, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=132, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=133, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=134, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=135, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=136, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=137, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=138, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=139, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=140, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=141, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=142, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=143, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=144, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=145, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=146, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=147, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=148, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=149, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=150, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=151, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=152, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=153, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=154, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=155, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=156, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=157, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=158, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=159, s={5:0}] [L5934] COND TRUE i < 160 [L5935] s[i] = __VERIFIER_nondet_char() [L5934] i++ VAL [d1={7:0}, d2={-9223372036854775805:0}, i=160, s={5:0}] [L5934] COND FALSE !(i < 160) VAL [d1={7:0}, d2={-9223372036854775805:0}, i=160, s={5:0}] [L5938] unsigned size = __VERIFIER_nondet_uint(); [L5939] CALL assume_abort_if_not(size < 160) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5939] RET assume_abort_if_not(size < 160) VAL [d1={7:0}, d2={-9223372036854775805:0}, i=160, s={5:0}, size=0] [L5940] CALL memcpy_impl(d1, s, size) [L5867] CALL assume_abort_if_not(dst != src || ((const char *)src >= (const char *)dst + n) || ((const char *)dst >= (const char *)src + n)) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5867] RET assume_abort_if_not(dst != src || ((const char *)src >= (const char *)dst + n) || ((const char *)dst >= (const char *)src + n)) VAL [dst={7:0}, n=0, src={5:0}] [L5871] CALL assume_abort_if_not((((n) == 0) || (src))) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5871] RET assume_abort_if_not((((n) == 0) || (src))) VAL [dst={7:0}, n=0, src={5:0}] [L5872] CALL assume_abort_if_not((((n) == 0) || (dst))) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5872] RET assume_abort_if_not((((n) == 0) || (dst))) VAL [dst={7:0}, n=0, src={5:0}] [L5874] unsigned long i = 0; VAL [dst={7:0}, i=0, n=0, src={5:0}] [L5874] COND FALSE !(i < n) VAL [dst={7:0}, i=0, n=0, src={5:0}] [L5877] return dst; VAL [dst={7:0}, i=0, n=0, src={5:0}] [L5940] RET memcpy_impl(d1, s, size) [L5941] CALL memcpy_using_uint64_impl(d2, s, size) [L5882] CALL assume_abort_if_not(dst != src || ((const char *)src >= (const char *)dst + n) || ((const char *)dst >= (const char *)src + n)) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5882] RET assume_abort_if_not(dst != src || ((const char *)src >= (const char *)dst + n) || ((const char *)dst >= (const char *)src + n)) VAL [dst={-9223372036854775805:0}, n=0, src={5:0}] [L5886] CALL assume_abort_if_not((((n) == 0) || (src))) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5886] RET assume_abort_if_not((((n) == 0) || (src))) VAL [dst={-9223372036854775805:0}, n=0, src={5:0}] [L5887] CALL assume_abort_if_not((((n) == 0) || (dst))) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5887] RET assume_abort_if_not((((n) == 0) || (dst))) VAL [dst={-9223372036854775805:0}, n=0, src={5:0}] [L5889] size_t num_uint64s = n >> 3; [L5890] size_t rem = n & 0x7; [L5892] uint8_t *d = (uint8_t *)dst; [L5893] const uint8_t *s = (const uint8_t *)src; [L5897] case 7: VAL [d={-9223372036854775805:0}, dst={-9223372036854775805:0}, n=0, num_uint64s=0, rem=0, s={5:0}, src={5:0}] [L5899] case 6: VAL [d={-9223372036854775805:0}, dst={-9223372036854775805:0}, n=0, num_uint64s=0, rem=0, s={5:0}, src={5:0}] [L5901] case 5: VAL [d={-9223372036854775805:0}, dst={-9223372036854775805:0}, n=0, num_uint64s=0, rem=0, s={5:0}, src={5:0}] [L5903] case 4: VAL [d={-9223372036854775805:0}, dst={-9223372036854775805:0}, n=0, num_uint64s=0, rem=0, s={5:0}, src={5:0}] [L5905] case 3: VAL [d={-9223372036854775805:0}, dst={-9223372036854775805:0}, n=0, num_uint64s=0, rem=0, s={5:0}, src={5:0}] [L5907] case 2: VAL [d={-9223372036854775805:0}, dst={-9223372036854775805:0}, n=0, num_uint64s=0, rem=0, s={5:0}, src={5:0}] [L5909] case 1: VAL [d={-9223372036854775805:0}, dst={-9223372036854775805:0}, n=0, num_uint64s=0, rem=0, s={5:0}, src={5:0}] [L5913] d += rem [L5914] s += rem [L5916] size_t i = 0; VAL [d={-9223372036854775805:0}, dst={-9223372036854775805:0}, i=0, n=0, num_uint64s=0, rem=0, s={5:0}, src={5:0}] [L5916] COND FALSE !(i < num_uint64s) VAL [d={-9223372036854775805:0}, dst={-9223372036854775805:0}, i=0, n=0, num_uint64s=0, rem=0, s={5:0}, src={5:0}] [L5920] return dst; VAL [d={-9223372036854775805:0}, dst={-9223372036854775805:0}, i=0, n=0, num_uint64s=0, rem=0, s={5:0}, src={5:0}] [L5941] RET memcpy_using_uint64_impl(d2, s, size) [L5942] CALL assert_bytes_match(d1, d2, size) [L5655] CALL __VERIFIER_assert(!(!a == !b)) VAL [\old(cond)=0] [L224] COND TRUE !cond VAL [\old(cond)=0, cond=0] [L224] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 286.6s, OverallIterations: 15, TraceHistogramMax: 160, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 215.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1189 SdHoareTripleChecker+Valid, 33.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1153 mSDsluCounter, 15875 SdHoareTripleChecker+Invalid, 27.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14792 mSDsCounter, 227 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22416 IncrementalHoareTripleChecker+Invalid, 22643 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 227 mSolverCounterUnsat, 1083 mSDtfsCounter, 22416 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5353 GetRequests, 4716 SyntacticMatches, 0 SemanticMatches, 637 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6103 ImplicationChecksByTransitivity, 215.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=406occurred in iteration=14, InterpolantAutomatonStates: 407, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 178 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 15.2s SatisfiabilityAnalysisTime, 40.2s InterpolantComputationTime, 3056 NumberOfCodeBlocks, 2618 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 5182 ConstructedInterpolants, 66 QuantifiedInterpolants, 14982 SizeOfPredicates, 79 NumberOfNonLiveVariables, 10096 ConjunctsInSsa, 288 ConjunctsInUnsatCore, 26 InterpolantComputations, 8 PerfectInterpolantSequences, 211308/234522 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 13:19:28,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a799d2c4-659e-4893-bedd-fa4c02fc2d8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE