./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ --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 1ebada516f0ccae5e55b91f6e0fe5802f70171054dc79c047f46877ad506c65e --- 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-dbf71c6-m [2022-10-17 10:59:49,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:59:49,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:59:49,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:59:49,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:59:49,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:59:49,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:59:49,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:59:49,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:59:49,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:59:49,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:59:49,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:59:49,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:59:49,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:59:49,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:59:49,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:59:49,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:59:49,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:59:49,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:59:49,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:59:49,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:59:49,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:59:49,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:59:49,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:59:49,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:59:49,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:59:49,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:59:49,838 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:59:49,839 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:59:49,840 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:59:49,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:59:49,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:59:49,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:59:49,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:59:49,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:59:49,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:59:49,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:59:49,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:59:49,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:59:49,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:59:49,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:59:49,850 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:59:49,905 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:59:49,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:59:49,906 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:59:49,906 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:59:49,907 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:59:49,907 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:59:49,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:59:49,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:59:49,909 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:59:49,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:59:49,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:59:49,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:59:49,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:59:49,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:59:49,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:59:49,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:59:49,911 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:59:49,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:59:49,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:59:49,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:59:49,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:59:49,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:59:49,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:59:49,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:59:49,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:59:49,913 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:59:49,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:59:49,913 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:59:49,914 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:59:49,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:59:49,914 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ebada516f0ccae5e55b91f6e0fe5802f70171054dc79c047f46877ad506c65e [2022-10-17 10:59:50,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:59:50,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:59:50,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:59:50,194 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:59:50,194 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:59:50,196 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i [2022-10-17 10:59:50,260 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/data/367ab2447/1d0e00aee3a64ab3a42c1d06e25250c8/FLAG996dfd6cb [2022-10-17 10:59:51,109 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:59:51,111 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i [2022-10-17 10:59:51,168 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/data/367ab2447/1d0e00aee3a64ab3a42c1d06e25250c8/FLAG996dfd6cb [2022-10-17 10:59:51,571 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/data/367ab2447/1d0e00aee3a64ab3a42c1d06e25250c8 [2022-10-17 10:59:51,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:59:51,578 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:59:51,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:59:51,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:59:51,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:59:51,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:59:51" (1/1) ... [2022-10-17 10:59:51,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35f58f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:51, skipping insertion in model container [2022-10-17 10:59:51,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:59:51" (1/1) ... [2022-10-17 10:59:51,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:59:51,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:59:52,043 WARN L230 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_1bded54b-4d89-4952-b817-2933c3c8734d/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4499,4512] [2022-10-17 10:59:52,052 WARN L230 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_1bded54b-4d89-4952-b817-2933c3c8734d/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4559,4572] [2022-10-17 10:59:53,140 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,141 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,142 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,143 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,144 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,159 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,160 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,162 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,162 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,164 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,166 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,167 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,167 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,558 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-10-17 10:59:53,559 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-10-17 10:59:53,563 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-10-17 10:59:53,565 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-10-17 10:59:53,566 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-10-17 10:59:53,568 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-10-17 10:59:53,569 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-10-17 10:59:53,571 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-10-17 10:59:53,574 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-10-17 10:59:53,582 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-10-17 10:59:53,811 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-10-17 10:59:53,857 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,875 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,969 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,970 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,970 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,971 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,971 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,971 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,972 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,973 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,973 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,973 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,974 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,974 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,974 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,977 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,978 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,978 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,979 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,982 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:53,982 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,004 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,005 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,005 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,015 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,016 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,016 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:59:54,048 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:59:54,061 WARN L230 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_1bded54b-4d89-4952-b817-2933c3c8734d/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4499,4512] [2022-10-17 10:59:54,062 WARN L230 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_1bded54b-4d89-4952-b817-2933c3c8734d/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4559,4572] [2022-10-17 10:59:54,096 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,096 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,097 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,097 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,098 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,104 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,105 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,106 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,107 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,108 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,108 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,109 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,109 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,143 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-10-17 10:59:54,144 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-10-17 10:59:54,145 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-10-17 10:59:54,146 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-10-17 10:59:54,147 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-10-17 10:59:54,147 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-10-17 10:59:54,148 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-10-17 10:59:54,148 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-10-17 10:59:54,149 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-10-17 10:59:54,149 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-10-17 10:59:54,227 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-10-17 10:59:54,248 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,253 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,280 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,280 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,281 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,281 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,281 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,282 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,282 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,283 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,283 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,283 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,284 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,284 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,284 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,285 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,286 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,286 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,286 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,289 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,290 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,295 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,296 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,296 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,302 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,307 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,307 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:59:54,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:59:54,608 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:59:54,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:54 WrapperNode [2022-10-17 10:59:54,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:59:54,611 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:59:54,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:59:54,612 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:59:54,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:54" (1/1) ... [2022-10-17 10:59:54,735 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:54" (1/1) ... [2022-10-17 10:59:54,837 INFO L138 Inliner]: procedures = 697, calls = 1921, calls flagged for inlining = 60, calls inlined = 15, statements flattened = 1060 [2022-10-17 10:59:54,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:59:54,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:59:54,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:59:54,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:59:54,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:54" (1/1) ... [2022-10-17 10:59:54,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:54" (1/1) ... [2022-10-17 10:59:54,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:54" (1/1) ... [2022-10-17 10:59:54,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:54" (1/1) ... [2022-10-17 10:59:54,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:54" (1/1) ... [2022-10-17 10:59:54,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:54" (1/1) ... [2022-10-17 10:59:54,968 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:54" (1/1) ... [2022-10-17 10:59:54,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:54" (1/1) ... [2022-10-17 10:59:54,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:59:55,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:59:55,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:59:55,003 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:59:55,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:54" (1/1) ... [2022-10-17 10:59:55,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:59:55,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:59:55,039 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:59:55,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:59:55,082 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2022-10-17 10:59:55,083 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2022-10-17 10:59:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-10-17 10:59:55,083 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-10-17 10:59:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:59:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-10-17 10:59:55,083 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-10-17 10:59:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-10-17 10:59:55,083 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-10-17 10:59:55,084 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-10-17 10:59:55,084 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-10-17 10:59:55,084 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2022-10-17 10:59:55,084 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2022-10-17 10:59:55,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:59:55,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:59:55,084 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-10-17 10:59:55,084 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-10-17 10:59:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 10:59:55,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 10:59:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2022-10-17 10:59:55,085 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2022-10-17 10:59:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:59:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:59:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:59:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2022-10-17 10:59:55,085 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2022-10-17 10:59:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-10-17 10:59:55,086 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-10-17 10:59:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:59:55,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:59:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-10-17 10:59:55,086 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-10-17 10:59:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-10-17 10:59:55,086 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-10-17 10:59:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:59:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-10-17 10:59:55,087 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-10-17 10:59:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-10-17 10:59:55,087 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-10-17 10:59:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-10-17 10:59:55,087 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-10-17 10:59:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:59:55,087 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:59:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 10:59:55,088 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 10:59:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-10-17 10:59:55,088 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-10-17 10:59:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2022-10-17 10:59:55,088 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2022-10-17 10:59:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:59:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:59:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:59:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2022-10-17 10:59:55,089 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2022-10-17 10:59:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-10-17 10:59:55,089 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-10-17 10:59:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-10-17 10:59:55,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-10-17 10:59:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:59:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-10-17 10:59:55,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-10-17 10:59:55,090 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2022-10-17 10:59:55,090 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2022-10-17 10:59:55,090 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-17 10:59:55,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-17 10:59:55,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:59:55,090 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2022-10-17 10:59:55,090 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2022-10-17 10:59:55,570 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:59:55,573 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:59:58,288 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:59:58,308 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:59:58,308 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-10-17 10:59:58,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:59:58 BoogieIcfgContainer [2022-10-17 10:59:58,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:59:58,316 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:59:58,316 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:59:58,319 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:59:58,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:59:51" (1/3) ... [2022-10-17 10:59:58,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e82d8fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:59:58, skipping insertion in model container [2022-10-17 10:59:58,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:54" (2/3) ... [2022-10-17 10:59:58,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e82d8fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:59:58, skipping insertion in model container [2022-10-17 10:59:58,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:59:58" (3/3) ... [2022-10-17 10:59:58,322 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_remove_harness.i [2022-10-17 10:59:58,340 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:59:58,341 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-17 10:59:58,436 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:59:58,448 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;@118ab888, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:59:58,448 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-17 10:59:58,457 INFO L276 IsEmpty]: Start isEmpty. Operand has 460 states, 270 states have (on average 1.2703703703703704) internal successors, (343), 275 states have internal predecessors, (343), 160 states have call successors, (160), 27 states have call predecessors, (160), 27 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2022-10-17 10:59:58,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-17 10:59:58,493 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:59:58,494 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:59:58,495 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:59:58,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:59:58,501 INFO L85 PathProgramCache]: Analyzing trace with hash 207530193, now seen corresponding path program 1 times [2022-10-17 10:59:58,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:59:58,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793687917] [2022-10-17 10:59:58,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:59:58,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:59:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:59,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:59:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:59,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-17 10:59:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:59,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-17 10:59:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:59,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-17 10:59:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:59,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:59:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:59,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-17 10:59:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:59,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:59:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:59,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:59:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:59,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-17 10:59:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:59,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-17 10:59:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:59,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-17 10:59:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:59,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-17 10:59:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:59,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:59:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:59,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-17 10:59:59,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:59,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:59:59,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:59,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 10:59:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:59,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-17 10:59:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:59,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-17 10:59:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:59,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-17 10:59:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:59,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-17 10:59:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:59,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-10-17 10:59:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:59,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-10-17 10:59:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:59,756 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-10-17 10:59:59,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:59:59,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793687917] [2022-10-17 10:59:59,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793687917] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:59:59,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:59:59,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:59:59,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485170609] [2022-10-17 10:59:59,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:59:59,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:59:59,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:59:59,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:59:59,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:59:59,816 INFO L87 Difference]: Start difference. First operand has 460 states, 270 states have (on average 1.2703703703703704) internal successors, (343), 275 states have internal predecessors, (343), 160 states have call successors, (160), 27 states have call predecessors, (160), 27 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-10-17 11:00:02,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 11:00:02,442 INFO L93 Difference]: Finished difference Result 1349 states and 2508 transitions. [2022-10-17 11:00:02,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 11:00:02,445 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 141 [2022-10-17 11:00:02,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 11:00:02,475 INFO L225 Difference]: With dead ends: 1349 [2022-10-17 11:00:02,475 INFO L226 Difference]: Without dead ends: 895 [2022-10-17 11:00:02,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-17 11:00:02,493 INFO L413 NwaCegarLoop]: 863 mSDtfsCounter, 532 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 922 mSolverCounterSat, 705 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 1559 SdHoareTripleChecker+Invalid, 1627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 705 IncrementalHoareTripleChecker+Valid, 922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-17 11:00:02,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [648 Valid, 1559 Invalid, 1627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [705 Valid, 922 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-17 11:00:02,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2022-10-17 11:00:02,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 453. [2022-10-17 11:00:02,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 265 states have (on average 1.2339622641509433) internal successors, (327), 268 states have internal predecessors, (327), 160 states have call successors, (160), 27 states have call predecessors, (160), 26 states have return successors, (158), 158 states have call predecessors, (158), 158 states have call successors, (158) [2022-10-17 11:00:02,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 645 transitions. [2022-10-17 11:00:02,641 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 645 transitions. Word has length 141 [2022-10-17 11:00:02,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 11:00:02,642 INFO L495 AbstractCegarLoop]: Abstraction has 453 states and 645 transitions. [2022-10-17 11:00:02,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-10-17 11:00:02,643 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 645 transitions. [2022-10-17 11:00:02,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-10-17 11:00:02,652 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 11:00:02,652 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 11:00:02,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 11:00:02,653 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 11:00:02,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:00:02,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1080700984, now seen corresponding path program 1 times [2022-10-17 11:00:02,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:00:02,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879385593] [2022-10-17 11:00:02,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:00:02,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:00:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:03,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 11:00:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:03,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-17 11:00:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:03,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-17 11:00:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:03,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-17 11:00:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:03,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 11:00:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:03,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-17 11:00:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:03,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 11:00:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:03,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 11:00:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:03,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-17 11:00:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:03,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-17 11:00:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:03,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-17 11:00:03,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:03,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-17 11:00:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:03,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 11:00:03,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:03,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-17 11:00:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:03,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 11:00:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:03,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 11:00:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:03,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-17 11:00:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:03,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-17 11:00:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:03,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-17 11:00:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:03,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-17 11:00:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:03,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-10-17 11:00:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:03,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-17 11:00:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:03,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-17 11:00:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:03,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-10-17 11:00:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:03,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-10-17 11:00:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:03,600 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2022-10-17 11:00:03,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:00:03,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879385593] [2022-10-17 11:00:03,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879385593] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 11:00:03,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080465833] [2022-10-17 11:00:03,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:00:03,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 11:00:03,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 11:00:03,607 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 11:00:03,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-17 11:00:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:04,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 2501 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 11:00:04,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 11:00:04,305 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2022-10-17 11:00:04,305 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 11:00:04,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080465833] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:00:04,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-17 11:00:04,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2022-10-17 11:00:04,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194880502] [2022-10-17 11:00:04,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:00:04,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 11:00:04,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:00:04,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 11:00:04,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-10-17 11:00:04,310 INFO L87 Difference]: Start difference. First operand 453 states and 645 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-10-17 11:00:05,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 11:00:07,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 11:00:07,443 INFO L93 Difference]: Finished difference Result 872 states and 1259 transitions. [2022-10-17 11:00:07,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 11:00:07,444 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 156 [2022-10-17 11:00:07,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 11:00:07,450 INFO L225 Difference]: With dead ends: 872 [2022-10-17 11:00:07,450 INFO L226 Difference]: Without dead ends: 455 [2022-10-17 11:00:07,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2022-10-17 11:00:07,455 INFO L413 NwaCegarLoop]: 581 mSDtfsCounter, 665 mSDsluCounter, 1651 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 2232 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-10-17 11:00:07,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [687 Valid, 2232 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-10-17 11:00:07,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2022-10-17 11:00:07,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 455. [2022-10-17 11:00:07,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 266 states have (on average 1.2330827067669172) internal successors, (328), 270 states have internal predecessors, (328), 160 states have call successors, (160), 27 states have call predecessors, (160), 27 states have return successors, (171), 158 states have call predecessors, (171), 158 states have call successors, (171) [2022-10-17 11:00:07,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 659 transitions. [2022-10-17 11:00:07,502 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 659 transitions. Word has length 156 [2022-10-17 11:00:07,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 11:00:07,503 INFO L495 AbstractCegarLoop]: Abstraction has 455 states and 659 transitions. [2022-10-17 11:00:07,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-10-17 11:00:07,504 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 659 transitions. [2022-10-17 11:00:07,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-10-17 11:00:07,507 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 11:00:07,507 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 11:00:07,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-17 11:00:07,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 11:00:07,721 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 11:00:07,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:00:07,721 INFO L85 PathProgramCache]: Analyzing trace with hash 651465952, now seen corresponding path program 1 times [2022-10-17 11:00:07,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:00:07,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499713245] [2022-10-17 11:00:07,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:00:07,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:00:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:08,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 11:00:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:08,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-17 11:00:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:08,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-17 11:00:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:08,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-17 11:00:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:08,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 11:00:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:08,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-17 11:00:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:08,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 11:00:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:08,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 11:00:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:08,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-17 11:00:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:08,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-17 11:00:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:08,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 11:00:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:08,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-17 11:00:08,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:08,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-17 11:00:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:08,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 11:00:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:08,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-17 11:00:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:08,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 11:00:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:08,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-17 11:00:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:08,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-17 11:00:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:08,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-10-17 11:00:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:08,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-17 11:00:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:08,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-10-17 11:00:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:08,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-10-17 11:00:08,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:08,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-10-17 11:00:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:08,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-10-17 11:00:08,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:08,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-10-17 11:00:08,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:08,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-10-17 11:00:08,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:08,709 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2022-10-17 11:00:08,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:00:08,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499713245] [2022-10-17 11:00:08,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499713245] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 11:00:08,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [7446616] [2022-10-17 11:00:08,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:00:08,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 11:00:08,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 11:00:08,711 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 11:00:08,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-17 11:00:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:09,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 2551 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 11:00:09,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 11:00:09,506 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2022-10-17 11:00:09,507 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 11:00:09,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [7446616] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:00:09,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-17 11:00:09,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2022-10-17 11:00:09,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259454517] [2022-10-17 11:00:09,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:00:09,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-17 11:00:09,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:00:09,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-17 11:00:09,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-10-17 11:00:09,510 INFO L87 Difference]: Start difference. First operand 455 states and 659 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 4 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2022-10-17 11:00:12,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 11:00:14,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 11:00:14,302 INFO L93 Difference]: Finished difference Result 895 states and 1330 transitions. [2022-10-17 11:00:14,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-17 11:00:14,303 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 4 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 164 [2022-10-17 11:00:14,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 11:00:14,309 INFO L225 Difference]: With dead ends: 895 [2022-10-17 11:00:14,309 INFO L226 Difference]: Without dead ends: 476 [2022-10-17 11:00:14,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2022-10-17 11:00:14,314 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 691 mSDsluCounter, 2717 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 741 SdHoareTripleChecker+Valid, 3294 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-10-17 11:00:14,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [741 Valid, 3294 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-10-17 11:00:14,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2022-10-17 11:00:14,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 474. [2022-10-17 11:00:14,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 282 states have (on average 1.2411347517730495) internal successors, (350), 286 states have internal predecessors, (350), 162 states have call successors, (162), 27 states have call predecessors, (162), 28 states have return successors, (190), 161 states have call predecessors, (190), 160 states have call successors, (190) [2022-10-17 11:00:14,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 702 transitions. [2022-10-17 11:00:14,360 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 702 transitions. Word has length 164 [2022-10-17 11:00:14,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 11:00:14,361 INFO L495 AbstractCegarLoop]: Abstraction has 474 states and 702 transitions. [2022-10-17 11:00:14,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 4 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2022-10-17 11:00:14,361 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 702 transitions. [2022-10-17 11:00:14,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-10-17 11:00:14,364 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 11:00:14,365 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 11:00:14,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-17 11:00:14,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-10-17 11:00:14,584 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 11:00:14,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:00:14,585 INFO L85 PathProgramCache]: Analyzing trace with hash 706817890, now seen corresponding path program 1 times [2022-10-17 11:00:14,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:00:14,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588013988] [2022-10-17 11:00:14,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:00:14,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:00:14,704 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 11:00:14,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [747427582] [2022-10-17 11:00:14,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:00:14,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 11:00:14,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 11:00:14,706 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 11:00:14,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-17 11:00:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:15,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 2692 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 11:00:15,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 11:00:15,470 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2022-10-17 11:00:15,470 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 11:00:15,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:00:15,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588013988] [2022-10-17 11:00:15,471 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-17 11:00:15,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747427582] [2022-10-17 11:00:15,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747427582] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:00:15,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:00:15,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-17 11:00:15,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130846970] [2022-10-17 11:00:15,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:00:15,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-17 11:00:15,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:00:15,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 11:00:15,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-17 11:00:15,473 INFO L87 Difference]: Start difference. First operand 474 states and 702 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-10-17 11:00:18,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 11:00:18,527 INFO L93 Difference]: Finished difference Result 920 states and 1403 transitions. [2022-10-17 11:00:18,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-17 11:00:18,528 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 179 [2022-10-17 11:00:18,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 11:00:18,534 INFO L225 Difference]: With dead ends: 920 [2022-10-17 11:00:18,535 INFO L226 Difference]: Without dead ends: 482 [2022-10-17 11:00:18,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-10-17 11:00:18,539 INFO L413 NwaCegarLoop]: 575 mSDtfsCounter, 689 mSDsluCounter, 2174 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 2749 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-10-17 11:00:18,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [711 Valid, 2749 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-10-17 11:00:18,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2022-10-17 11:00:18,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 474. [2022-10-17 11:00:18,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 282 states have (on average 1.2411347517730495) internal successors, (350), 286 states have internal predecessors, (350), 162 states have call successors, (162), 27 states have call predecessors, (162), 28 states have return successors, (190), 161 states have call predecessors, (190), 160 states have call successors, (190) [2022-10-17 11:00:18,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 702 transitions. [2022-10-17 11:00:18,586 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 702 transitions. Word has length 179 [2022-10-17 11:00:18,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 11:00:18,587 INFO L495 AbstractCegarLoop]: Abstraction has 474 states and 702 transitions. [2022-10-17 11:00:18,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-10-17 11:00:18,588 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 702 transitions. [2022-10-17 11:00:18,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-10-17 11:00:18,591 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 11:00:18,591 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 11:00:18,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-10-17 11:00:18,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 11:00:18,818 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 11:00:18,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:00:18,818 INFO L85 PathProgramCache]: Analyzing trace with hash -548515061, now seen corresponding path program 1 times [2022-10-17 11:00:18,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:00:18,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224992561] [2022-10-17 11:00:18,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:00:18,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:00:18,915 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 11:00:18,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1375536570] [2022-10-17 11:00:18,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:00:18,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 11:00:18,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 11:00:18,917 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 11:00:18,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-17 11:00:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:19,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 2764 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 11:00:19,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 11:00:19,717 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-10-17 11:00:19,718 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 11:00:19,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:00:19,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224992561] [2022-10-17 11:00:19,718 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-17 11:00:19,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375536570] [2022-10-17 11:00:19,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375536570] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:00:19,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:00:19,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-17 11:00:19,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698969388] [2022-10-17 11:00:19,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:00:19,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-17 11:00:19,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:00:19,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-17 11:00:19,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-17 11:00:19,721 INFO L87 Difference]: Start difference. First operand 474 states and 702 transitions. Second operand has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 9 states have internal predecessors, (89), 5 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 5 states have call predecessors, (26), 5 states have call successors, (26) [2022-10-17 11:00:21,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 11:00:24,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 11:00:24,254 INFO L93 Difference]: Finished difference Result 930 states and 1407 transitions. [2022-10-17 11:00:24,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-17 11:00:24,255 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 9 states have internal predecessors, (89), 5 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 5 states have call predecessors, (26), 5 states have call successors, (26) Word has length 195 [2022-10-17 11:00:24,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 11:00:24,261 INFO L225 Difference]: With dead ends: 930 [2022-10-17 11:00:24,261 INFO L226 Difference]: Without dead ends: 492 [2022-10-17 11:00:24,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2022-10-17 11:00:24,266 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 754 mSDsluCounter, 3152 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 3706 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-10-17 11:00:24,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [804 Valid, 3706 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-10-17 11:00:24,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2022-10-17 11:00:24,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 474. [2022-10-17 11:00:24,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 282 states have (on average 1.2411347517730495) internal successors, (350), 286 states have internal predecessors, (350), 162 states have call successors, (162), 27 states have call predecessors, (162), 28 states have return successors, (190), 161 states have call predecessors, (190), 160 states have call successors, (190) [2022-10-17 11:00:24,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 702 transitions. [2022-10-17 11:00:24,307 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 702 transitions. Word has length 195 [2022-10-17 11:00:24,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 11:00:24,309 INFO L495 AbstractCegarLoop]: Abstraction has 474 states and 702 transitions. [2022-10-17 11:00:24,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 9 states have internal predecessors, (89), 5 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 5 states have call predecessors, (26), 5 states have call successors, (26) [2022-10-17 11:00:24,309 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 702 transitions. [2022-10-17 11:00:24,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-10-17 11:00:24,314 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 11:00:24,314 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 11:00:24,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-17 11:00:24,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 11:00:24,530 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 11:00:24,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:00:24,530 INFO L85 PathProgramCache]: Analyzing trace with hash -2018600789, now seen corresponding path program 2 times [2022-10-17 11:00:24,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:00:24,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837885662] [2022-10-17 11:00:24,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:00:24,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:00:24,638 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 11:00:24,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [364978242] [2022-10-17 11:00:24,639 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-17 11:00:24,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 11:00:24,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 11:00:24,640 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 11:00:24,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bded54b-4d89-4952-b817-2933c3c8734d/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process