./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 71774aeec0d0f8840a1b18b633767b26c38c9eb9d26569d28cdf01c44c9881ac --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 04:39:16,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 04:39:16,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 04:39:16,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 04:39:16,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 04:39:16,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 04:39:16,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 04:39:16,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 04:39:16,648 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 04:39:16,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 04:39:16,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 04:39:16,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 04:39:16,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 04:39:16,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 04:39:16,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 04:39:16,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 04:39:16,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 04:39:16,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 04:39:16,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 04:39:16,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 04:39:16,660 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 04:39:16,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 04:39:16,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 04:39:16,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 04:39:16,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 04:39:16,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 04:39:16,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 04:39:16,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 04:39:16,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 04:39:16,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 04:39:16,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 04:39:16,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 04:39:16,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 04:39:16,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 04:39:16,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 04:39:16,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 04:39:16,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 04:39:16,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 04:39:16,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 04:39:16,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 04:39:16,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 04:39:16,675 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 04:39:16,694 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 04:39:16,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 04:39:16,694 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 04:39:16,695 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 04:39:16,695 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 04:39:16,695 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 04:39:16,695 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 04:39:16,696 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 04:39:16,696 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 04:39:16,696 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 04:39:16,696 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 04:39:16,696 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 04:39:16,696 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 04:39:16,697 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 04:39:16,697 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 04:39:16,697 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 04:39:16,697 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 04:39:16,697 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 04:39:16,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 04:39:16,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 04:39:16,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 04:39:16,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 04:39:16,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 04:39:16,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 04:39:16,699 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 04:39:16,699 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 04:39:16,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 04:39:16,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 04:39:16,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 04:39:16,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:39:16,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 04:39:16,700 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 04:39:16,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 04:39:16,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 04:39:16,700 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 04:39:16,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 04:39:16,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 04:39:16,701 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 04:39:16,701 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_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71774aeec0d0f8840a1b18b633767b26c38c9eb9d26569d28cdf01c44c9881ac [2022-12-14 04:39:16,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 04:39:16,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 04:39:16,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 04:39:16,904 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 04:39:16,904 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 04:39:16,905 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i [2022-12-14 04:39:19,493 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 04:39:19,770 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 04:39:19,770 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i [2022-12-14 04:39:19,788 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/data/a5f360c8f/cf0eae8954404c80acefb500b0895466/FLAG937722498 [2022-12-14 04:39:19,798 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/data/a5f360c8f/cf0eae8954404c80acefb500b0895466 [2022-12-14 04:39:19,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 04:39:19,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 04:39:19,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 04:39:19,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 04:39:19,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 04:39:19,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:39:19" (1/1) ... [2022-12-14 04:39:19,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22686b50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:39:19, skipping insertion in model container [2022-12-14 04:39:19,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:39:19" (1/1) ... [2022-12-14 04:39:19,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 04:39:19,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 04:39:20,047 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i[4496,4509] [2022-12-14 04:39:20,053 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i[4556,4569] [2022-12-14 04:39:20,621 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:39:20,624 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:20,625 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:20,625 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:20,626 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:20,627 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:20,629 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:39:20,637 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:20,637 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:39:20,637 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:20,639 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:20,639 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:20,641 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:20,641 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:39:20,642 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:20,642 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:20,642 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:20,715 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:39:20,715 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:39:20,716 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:39:20,719 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 04:39:20,721 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 04:39:20,721 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 04:39:20,959 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 04:39:20,960 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 04:39:20,960 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 04:39:20,961 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 04:39:20,962 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 04:39:20,963 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 04:39:20,964 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 04:39:20,964 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 04:39:20,965 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 04:39:20,965 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 04:39:20,965 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 04:39:21,105 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 04:39:21,123 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,125 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:39:21,126 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:39:21,127 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:39:21,128 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,129 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:39:21,132 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:39:21,133 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:39:21,133 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:39:21,133 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:39:21,133 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:39:21,134 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:39:21,163 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 04:39:21,176 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,176 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,176 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,177 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,177 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,177 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,177 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,178 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 04:39:21,178 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,178 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,178 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,179 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,179 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,179 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,181 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,181 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,182 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,182 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,184 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,184 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,189 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,189 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,190 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:39:21,218 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 04:39:21,227 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i[4496,4509] [2022-12-14 04:39:21,227 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i[4556,4569] [2022-12-14 04:39:21,250 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:39:21,251 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,252 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,252 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,252 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,253 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,254 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:39:21,257 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,257 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:39:21,257 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,258 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,258 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,259 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,259 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:39:21,259 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,260 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,260 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,264 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:39:21,265 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:39:21,265 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:39:21,267 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 04:39:21,268 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 04:39:21,268 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 04:39:21,282 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 04:39:21,282 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 04:39:21,283 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 04:39:21,283 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 04:39:21,284 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 04:39:21,284 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 04:39:21,285 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 04:39:21,285 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 04:39:21,285 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 04:39:21,286 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 04:39:21,286 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 04:39:21,302 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 04:39:21,311 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,312 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:39:21,313 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:39:21,314 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:39:21,315 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,316 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:39:21,316 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:39:21,317 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:39:21,317 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:39:21,317 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:39:21,317 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:39:21,318 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:39:21,329 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 04:39:21,332 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,333 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,333 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,333 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,333 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,333 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,334 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,334 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 04:39:21,334 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,334 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,334 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,334 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,335 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,335 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,335 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,335 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,336 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,336 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,337 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,338 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,342 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,342 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,342 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:39:21,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:39:21,533 INFO L208 MainTranslator]: Completed translation [2022-12-14 04:39:21,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:39:21 WrapperNode [2022-12-14 04:39:21,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 04:39:21,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 04:39:21,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 04:39:21,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 04:39:21,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:39:21" (1/1) ... [2022-12-14 04:39:21,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:39:21" (1/1) ... [2022-12-14 04:39:21,675 INFO L138 Inliner]: procedures = 697, calls = 1917, calls flagged for inlining = 60, calls inlined = 15, statements flattened = 1032 [2022-12-14 04:39:21,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 04:39:21,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 04:39:21,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 04:39:21,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 04:39:21,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:39:21" (1/1) ... [2022-12-14 04:39:21,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:39:21" (1/1) ... [2022-12-14 04:39:21,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:39:21" (1/1) ... [2022-12-14 04:39:21,697 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:39:21" (1/1) ... [2022-12-14 04:39:21,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:39:21" (1/1) ... [2022-12-14 04:39:21,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:39:21" (1/1) ... [2022-12-14 04:39:21,751 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:39:21" (1/1) ... [2022-12-14 04:39:21,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:39:21" (1/1) ... [2022-12-14 04:39:21,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 04:39:21,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 04:39:21,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 04:39:21,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 04:39:21,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:39:21" (1/1) ... [2022-12-14 04:39:21,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:39:21,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:39:21,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 04:39:21,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 04:39:21,831 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2022-12-14 04:39:21,831 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2022-12-14 04:39:21,831 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-12-14 04:39:21,832 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-12-14 04:39:21,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 04:39:21,832 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-12-14 04:39:21,832 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-12-14 04:39:21,832 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-12-14 04:39:21,832 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-12-14 04:39:21,832 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 04:39:21,832 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 04:39:21,833 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2022-12-14 04:39:21,833 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2022-12-14 04:39:21,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 04:39:21,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 04:39:21,833 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-12-14 04:39:21,833 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-12-14 04:39:21,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 04:39:21,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 04:39:21,834 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2022-12-14 04:39:21,834 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2022-12-14 04:39:21,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 04:39:21,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 04:39:21,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 04:39:21,834 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2022-12-14 04:39:21,834 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2022-12-14 04:39:21,834 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-12-14 04:39:21,835 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-12-14 04:39:21,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 04:39:21,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 04:39:21,835 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 04:39:21,835 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 04:39:21,835 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-12-14 04:39:21,835 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-12-14 04:39:21,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 04:39:21,836 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-12-14 04:39:21,836 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-12-14 04:39:21,836 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-12-14 04:39:21,836 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-12-14 04:39:21,836 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-12-14 04:39:21,836 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-12-14 04:39:21,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 04:39:21,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 04:39:21,836 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 04:39:21,837 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 04:39:21,837 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-12-14 04:39:21,837 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-12-14 04:39:21,837 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2022-12-14 04:39:21,837 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2022-12-14 04:39:21,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 04:39:21,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 04:39:21,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 04:39:21,838 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2022-12-14 04:39:21,838 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2022-12-14 04:39:21,838 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 04:39:21,838 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 04:39:21,838 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-12-14 04:39:21,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-12-14 04:39:21,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 04:39:21,838 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-12-14 04:39:21,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-12-14 04:39:21,839 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2022-12-14 04:39:21,839 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2022-12-14 04:39:21,839 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 04:39:21,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 04:39:21,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 04:39:21,839 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2022-12-14 04:39:21,839 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2022-12-14 04:39:22,080 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 04:39:22,081 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 04:39:23,392 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 04:39:23,588 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 04:39:23,589 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-14 04:39:23,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:39:23 BoogieIcfgContainer [2022-12-14 04:39:23,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 04:39:23,593 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 04:39:23,593 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 04:39:23,596 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 04:39:23,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:39:19" (1/3) ... [2022-12-14 04:39:23,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a55d161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:39:23, skipping insertion in model container [2022-12-14 04:39:23,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:39:21" (2/3) ... [2022-12-14 04:39:23,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a55d161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:39:23, skipping insertion in model container [2022-12-14 04:39:23,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:39:23" (3/3) ... [2022-12-14 04:39:23,598 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_pop_harness.i [2022-12-14 04:39:23,612 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 04:39:23,612 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 04:39:23,660 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 04:39:23,666 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2c79e210, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 04:39:23,666 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 04:39:23,670 INFO L276 IsEmpty]: Start isEmpty. Operand has 377 states, 192 states have (on average 1.2083333333333333) internal successors, (232), 195 states have internal predecessors, (232), 156 states have call successors, (156), 27 states have call predecessors, (156), 27 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2022-12-14 04:39:23,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-14 04:39:23,681 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:39:23,682 INFO L195 NwaCegarLoop]: trace histogram [9, 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] [2022-12-14 04:39:23,682 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:39:23,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:39:23,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1855963268, now seen corresponding path program 1 times [2022-12-14 04:39:23,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:39:23,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60179744] [2022-12-14 04:39:23,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:39:23,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:39:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:39:24,468 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-12-14 04:39:24,468 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:39:24,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60179744] [2022-12-14 04:39:24,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60179744] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 04:39:24,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922784477] [2022-12-14 04:39:24,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:39:24,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:39:24,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:39:24,471 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:39:24,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 04:39:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:39:24,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 2412 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 04:39:24,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:39:25,016 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-12-14 04:39:25,017 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:39:25,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922784477] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:39:25,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 04:39:25,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-12-14 04:39:25,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873973621] [2022-12-14 04:39:25,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:39:25,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 04:39:25,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:39:25,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 04:39:25,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-14 04:39:25,055 INFO L87 Difference]: Start difference. First operand has 377 states, 192 states have (on average 1.2083333333333333) internal successors, (232), 195 states have internal predecessors, (232), 156 states have call successors, (156), 27 states have call predecessors, (156), 27 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-14 04:39:26,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:39:27,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:39:27,635 INFO L93 Difference]: Finished difference Result 725 states and 1115 transitions. [2022-12-14 04:39:27,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:39:27,637 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 101 [2022-12-14 04:39:27,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:39:27,646 INFO L225 Difference]: With dead ends: 725 [2022-12-14 04:39:27,646 INFO L226 Difference]: Without dead ends: 376 [2022-12-14 04:39:27,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-14 04:39:27,653 INFO L413 NwaCegarLoop]: 468 mSDtfsCounter, 40 mSDsluCounter, 1317 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 1785 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-14 04:39:27,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 1785 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-14 04:39:27,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2022-12-14 04:39:27,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376. [2022-12-14 04:39:27,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 191 states have (on average 1.193717277486911) internal successors, (228), 195 states have internal predecessors, (228), 156 states have call successors, (156), 27 states have call predecessors, (156), 27 states have return successors, (167), 154 states have call predecessors, (167), 154 states have call successors, (167) [2022-12-14 04:39:27,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 551 transitions. [2022-12-14 04:39:27,710 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 551 transitions. Word has length 101 [2022-12-14 04:39:27,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:39:27,710 INFO L495 AbstractCegarLoop]: Abstraction has 376 states and 551 transitions. [2022-12-14 04:39:27,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-14 04:39:27,710 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 551 transitions. [2022-12-14 04:39:27,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-12-14 04:39:27,713 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:39:27,713 INFO L195 NwaCegarLoop]: trace histogram [9, 3, 3, 3, 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] [2022-12-14 04:39:27,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 04:39:27,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-14 04:39:27,916 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:39:27,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:39:27,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1052868658, now seen corresponding path program 1 times [2022-12-14 04:39:27,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:39:27,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306606761] [2022-12-14 04:39:27,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:39:27,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:39:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:39:28,376 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-12-14 04:39:28,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:39:28,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306606761] [2022-12-14 04:39:28,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306606761] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 04:39:28,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476373630] [2022-12-14 04:39:28,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:39:28,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:39:28,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:39:28,378 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:39:28,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 04:39:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:39:28,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 2462 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 04:39:28,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:39:28,848 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-12-14 04:39:28,848 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:39:28,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476373630] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:39:28,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 04:39:28,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2022-12-14 04:39:28,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164287634] [2022-12-14 04:39:28,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:39:28,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 04:39:28,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:39:28,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 04:39:28,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-12-14 04:39:28,850 INFO L87 Difference]: Start difference. First operand 376 states and 551 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2022-12-14 04:39:32,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:39:32,321 INFO L93 Difference]: Finished difference Result 735 states and 1109 transitions. [2022-12-14 04:39:32,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 04:39:32,321 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 109 [2022-12-14 04:39:32,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:39:32,324 INFO L225 Difference]: With dead ends: 735 [2022-12-14 04:39:32,324 INFO L226 Difference]: Without dead ends: 389 [2022-12-14 04:39:32,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-12-14 04:39:32,327 INFO L413 NwaCegarLoop]: 454 mSDtfsCounter, 55 mSDsluCounter, 2139 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 2593 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-12-14 04:39:32,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 2593 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-12-14 04:39:32,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2022-12-14 04:39:32,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 387. [2022-12-14 04:39:32,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 199 states have (on average 1.1959798994974875) internal successors, (238), 203 states have internal predecessors, (238), 158 states have call successors, (158), 27 states have call predecessors, (158), 28 states have return successors, (186), 157 states have call predecessors, (186), 156 states have call successors, (186) [2022-12-14 04:39:32,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 582 transitions. [2022-12-14 04:39:32,353 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 582 transitions. Word has length 109 [2022-12-14 04:39:32,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:39:32,353 INFO L495 AbstractCegarLoop]: Abstraction has 387 states and 582 transitions. [2022-12-14 04:39:32,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2022-12-14 04:39:32,354 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 582 transitions. [2022-12-14 04:39:32,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-12-14 04:39:32,355 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:39:32,355 INFO L195 NwaCegarLoop]: trace histogram [9, 3, 3, 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] [2022-12-14 04:39:32,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 04:39:32,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:39:32,557 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:39:32,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:39:32,559 INFO L85 PathProgramCache]: Analyzing trace with hash -878003040, now seen corresponding path program 1 times [2022-12-14 04:39:32,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:39:32,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400280478] [2022-12-14 04:39:32,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:39:32,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:39:32,741 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 04:39:32,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1132805770] [2022-12-14 04:39:32,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:39:32,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:39:32,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:39:32,743 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:39:32,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 04:39:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:39:33,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 2594 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 04:39:33,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:39:33,225 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-12-14 04:39:33,225 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:39:33,225 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:39:33,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400280478] [2022-12-14 04:39:33,226 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 04:39:33,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132805770] [2022-12-14 04:39:33,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132805770] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:39:33,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:39:33,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 04:39:33,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390845043] [2022-12-14 04:39:33,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:39:33,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 04:39:33,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:39:33,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 04:39:33,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 04:39:33,228 INFO L87 Difference]: Start difference. First operand 387 states and 582 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2022-12-14 04:39:34,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:39:35,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:39:35,716 INFO L93 Difference]: Finished difference Result 752 states and 1170 transitions. [2022-12-14 04:39:35,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 04:39:35,716 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 118 [2022-12-14 04:39:35,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:39:35,719 INFO L225 Difference]: With dead ends: 752 [2022-12-14 04:39:35,719 INFO L226 Difference]: Without dead ends: 395 [2022-12-14 04:39:35,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-14 04:39:35,721 INFO L413 NwaCegarLoop]: 466 mSDtfsCounter, 51 mSDsluCounter, 1744 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 2210 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-14 04:39:35,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 2210 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-14 04:39:35,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2022-12-14 04:39:35,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 387. [2022-12-14 04:39:35,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 199 states have (on average 1.1959798994974875) internal successors, (238), 203 states have internal predecessors, (238), 158 states have call successors, (158), 27 states have call predecessors, (158), 28 states have return successors, (186), 157 states have call predecessors, (186), 156 states have call successors, (186) [2022-12-14 04:39:35,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 582 transitions. [2022-12-14 04:39:35,743 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 582 transitions. Word has length 118 [2022-12-14 04:39:35,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:39:35,743 INFO L495 AbstractCegarLoop]: Abstraction has 387 states and 582 transitions. [2022-12-14 04:39:35,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2022-12-14 04:39:35,743 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 582 transitions. [2022-12-14 04:39:35,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-12-14 04:39:35,744 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:39:35,745 INFO L195 NwaCegarLoop]: trace histogram [9, 4, 4, 3, 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] [2022-12-14 04:39:35,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-14 04:39:35,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:39:35,946 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:39:35,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:39:35,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1503292445, now seen corresponding path program 1 times [2022-12-14 04:39:35,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:39:35,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919285719] [2022-12-14 04:39:35,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:39:35,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:39:36,120 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 04:39:36,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1940151249] [2022-12-14 04:39:36,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:39:36,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:39:36,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:39:36,121 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:39:36,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 04:39:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:39:36,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 2648 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 04:39:36,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:39:36,646 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-12-14 04:39:36,646 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:39:36,646 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:39:36,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919285719] [2022-12-14 04:39:36,647 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 04:39:36,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940151249] [2022-12-14 04:39:36,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940151249] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:39:36,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:39:36,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 04:39:36,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493867814] [2022-12-14 04:39:36,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:39:36,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 04:39:36,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:39:36,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 04:39:36,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-14 04:39:36,649 INFO L87 Difference]: Start difference. First operand 387 states and 582 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 5 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2022-12-14 04:39:39,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:39:39,705 INFO L93 Difference]: Finished difference Result 754 states and 1162 transitions. [2022-12-14 04:39:39,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 04:39:39,705 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 5 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 126 [2022-12-14 04:39:39,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:39:39,707 INFO L225 Difference]: With dead ends: 754 [2022-12-14 04:39:39,707 INFO L226 Difference]: Without dead ends: 397 [2022-12-14 04:39:39,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-12-14 04:39:39,709 INFO L413 NwaCegarLoop]: 449 mSDtfsCounter, 74 mSDsluCounter, 2534 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 2983 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:39:39,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 2983 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-12-14 04:39:39,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2022-12-14 04:39:39,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 387. [2022-12-14 04:39:39,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 199 states have (on average 1.1959798994974875) internal successors, (238), 203 states have internal predecessors, (238), 158 states have call successors, (158), 27 states have call predecessors, (158), 28 states have return successors, (186), 157 states have call predecessors, (186), 156 states have call successors, (186) [2022-12-14 04:39:39,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 582 transitions. [2022-12-14 04:39:39,726 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 582 transitions. Word has length 126 [2022-12-14 04:39:39,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:39:39,726 INFO L495 AbstractCegarLoop]: Abstraction has 387 states and 582 transitions. [2022-12-14 04:39:39,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 5 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2022-12-14 04:39:39,726 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 582 transitions. [2022-12-14 04:39:39,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-12-14 04:39:39,727 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:39:39,727 INFO L195 NwaCegarLoop]: trace histogram [9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:39:39,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 04:39:39,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:39:39,929 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:39:39,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:39:39,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1445277809, now seen corresponding path program 2 times [2022-12-14 04:39:39,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:39:39,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584175846] [2022-12-14 04:39:39,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:39:39,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:39:40,044 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 04:39:40,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1842034479] [2022-12-14 04:39:40,045 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 04:39:40,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:39:40,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:39:40,046 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:39:40,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 04:39:40,632 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-12-14 04:39:40,632 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 04:39:40,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 1881 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 04:39:40,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:39:40,663 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-12-14 04:39:40,663 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:39:40,663 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:39:40,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584175846] [2022-12-14 04:39:40,663 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 04:39:40,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842034479] [2022-12-14 04:39:40,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842034479] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:39:40,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:39:40,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 04:39:40,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723061808] [2022-12-14 04:39:40,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:39:40,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 04:39:40,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:39:40,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 04:39:40,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:39:40,666 INFO L87 Difference]: Start difference. First operand 387 states and 582 transitions. Second operand has 5 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-14 04:39:42,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:39:42,964 INFO L93 Difference]: Finished difference Result 712 states and 1102 transitions. [2022-12-14 04:39:42,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:39:42,965 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 135 [2022-12-14 04:39:42,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:39:42,969 INFO L225 Difference]: With dead ends: 712 [2022-12-14 04:39:42,969 INFO L226 Difference]: Without dead ends: 387 [2022-12-14 04:39:42,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:39:42,972 INFO L413 NwaCegarLoop]: 459 mSDtfsCounter, 0 mSDsluCounter, 1321 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1780 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-14 04:39:42,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1780 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-12-14 04:39:42,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2022-12-14 04:39:42,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 387. [2022-12-14 04:39:42,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 199 states have (on average 1.1959798994974875) internal successors, (238), 203 states have internal predecessors, (238), 158 states have call successors, (158), 27 states have call predecessors, (158), 28 states have return successors, (185), 157 states have call predecessors, (185), 156 states have call successors, (185) [2022-12-14 04:39:42,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 581 transitions. [2022-12-14 04:39:42,986 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 581 transitions. Word has length 135 [2022-12-14 04:39:42,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:39:42,987 INFO L495 AbstractCegarLoop]: Abstraction has 387 states and 581 transitions. [2022-12-14 04:39:42,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-14 04:39:42,987 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 581 transitions. [2022-12-14 04:39:42,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-12-14 04:39:42,988 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:39:42,988 INFO L195 NwaCegarLoop]: trace histogram [9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-14 04:39:42,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 04:39:43,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:39:43,190 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:39:43,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:39:43,191 INFO L85 PathProgramCache]: Analyzing trace with hash -2123448945, now seen corresponding path program 3 times [2022-12-14 04:39:43,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:39:43,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541512606] [2022-12-14 04:39:43,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:39:43,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:39:43,294 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 04:39:43,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [809482249] [2022-12-14 04:39:43,295 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 04:39:43,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:39:43,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:39:43,296 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:39:43,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 04:39:43,561 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 04:39:43,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 04:39:43,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-14 04:39:43,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:39:43,692 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 74 proven. 2 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-12-14 04:39:43,693 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:39:43,942 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-12-14 04:39:43,942 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:39:43,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541512606] [2022-12-14 04:39:43,942 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 04:39:43,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809482249] [2022-12-14 04:39:43,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [809482249] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:39:43,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1260746026] [2022-12-14 04:39:43,965 INFO L159 IcfgInterpreter]: Started Sifa with 83 locations of interest [2022-12-14 04:39:43,965 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 04:39:43,969 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 04:39:43,973 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 04:39:43,973 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 04:39:46,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:39:47,175 INFO L217 Elim1Store]: Index analysis took 355 ms [2022-12-14 04:39:58,586 WARN L233 SmtUtils]: Spent 11.37s on a formula simplification. DAG size of input: 1758 DAG size of output: 1169 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 04:39:58,589 INFO L321 Elim1Store]: treesize reduction 1958, result has 47.2 percent of original size [2022-12-14 04:39:58,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19112 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 195 case distinctions, treesize of input 987 treesize of output 2346 [2022-12-14 04:40:00,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:40:01,357 INFO L217 Elim1Store]: Index analysis took 519 ms [2022-12-14 04:40:17,936 WARN L233 SmtUtils]: Spent 16.54s on a formula simplification. DAG size of input: 2150 DAG size of output: 1173 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 04:40:17,938 INFO L321 Elim1Store]: treesize reduction 3510, result has 33.3 percent of original size [2022-12-14 04:40:17,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19308 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 390 case distinctions, treesize of input 997 treesize of output 2365 [2022-12-14 04:41:50,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:50,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:50,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-12-14 04:41:50,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 04:41:50,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:50,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-12-14 04:41:50,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:50,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-12-14 04:41:53,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:53,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:53,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:53,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:53,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:53,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:53,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:53,951 INFO L217 Elim1Store]: Index analysis took 120 ms [2022-12-14 04:41:53,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 04:41:54,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:54,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:54,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:54,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:54,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:54,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:54,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:54,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 04:41:54,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:54,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-12-14 04:41:55,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-12-14 04:41:55,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:55,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 260 [2022-12-14 04:42:03,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:03,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:03,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:03,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:03,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:03,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:03,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:03,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 04:42:04,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:04,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-12-14 04:42:04,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:04,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-12-14 04:42:05,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 260 [2022-12-14 04:42:05,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:05,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 04:42:22,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-12-14 04:42:22,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-12-14 04:42:22,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-14 04:42:22,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-12-14 04:42:22,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-12-14 04:42:23,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-14 04:42:38,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-14 04:42:38,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-12-14 04:42:38,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-12-14 04:42:39,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-14 04:42:39,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-12-14 04:42:39,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-12-14 04:42:41,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2171 treesize of output 2161 [2022-12-14 04:42:42,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2175 treesize of output 2154 [2022-12-14 04:42:42,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2171 treesize of output 2161 [2022-12-14 04:42:43,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 04:42:57,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 04:42:57,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 04:42:57,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 04:42:57,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 04:42:57,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 04:42:57,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 04:42:57,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 04:42:57,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 04:42:57,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:42:57,926 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 04:42:57,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-12-14 04:42:57,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:42:57,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:42:57,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:42:57,992 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 04:42:57,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-12-14 04:42:58,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 04:42:58,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2022-12-14 04:42:58,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2022-12-14 04:42:58,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2022-12-14 04:42:58,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2022-12-14 04:42:59,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2167 treesize of output 2139 [2022-12-14 04:42:59,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2143 treesize of output 2115 [2022-12-14 04:43:00,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2111 treesize of output 2087 [2022-12-14 04:43:16,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2167 treesize of output 2139 [2022-12-14 04:43:16,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2135 treesize of output 2111 [2022-12-14 04:43:16,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2119 treesize of output 2091 [2022-12-14 04:44:31,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:44:31,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:44:31,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:44:31,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:44:31,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:44:31,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 16 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 44 [2022-12-14 04:44:31,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 04:44:31,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2022-12-14 04:44:32,448 INFO L321 Elim1Store]: treesize reduction 84, result has 9.7 percent of original size [2022-12-14 04:44:32,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 227 treesize of output 236 [2022-12-14 04:44:33,079 INFO L321 Elim1Store]: treesize reduction 156, result has 10.3 percent of original size [2022-12-14 04:44:33,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 221 treesize of output 240 [2022-12-14 04:44:33,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 89 [2022-12-14 04:44:33,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 92 [2022-12-14 04:44:33,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 04:44:33,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 04:44:33,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 04:44:33,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 04:44:35,151 INFO L321 Elim1Store]: treesize reduction 84, result has 9.7 percent of original size [2022-12-14 04:44:35,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 227 treesize of output 236 [2022-12-14 04:44:37,075 INFO L321 Elim1Store]: treesize reduction 156, result has 10.3 percent of original size [2022-12-14 04:44:37,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 221 treesize of output 240 [2022-12-14 04:44:37,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 89 [2022-12-14 04:44:37,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 04:44:38,122 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 04:44:38,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 237 treesize of output 233 [2022-12-14 04:44:38,385 INFO L321 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2022-12-14 04:44:38,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 50 [2022-12-14 04:44:38,603 INFO L321 Elim1Store]: treesize reduction 108, result has 14.3 percent of original size [2022-12-14 04:44:38,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 131 treesize of output 150 [2022-12-14 04:44:38,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 302 treesize of output 294 [2022-12-14 04:44:39,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 84 [2022-12-14 04:44:39,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 238 treesize of output 214 [2022-12-14 04:44:39,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 103 [2022-12-14 04:44:39,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 99 [2022-12-14 04:44:39,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 196 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 102 [2022-12-14 04:44:39,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 04:44:39,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-14 04:44:39,937 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: no need to replace index at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.constructReplacementForSelectCase(DerPreprocessor.java:333) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.constructDerEnabler(DerPreprocessor.java:187) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.(DerPreprocessor.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:353) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:190) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne3(DualJunctionSaa.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne2(DualJunctionSaa.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne1(DualJunctionSaa.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne0(DualJunctionSaa.java:122) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:108) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:93) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:627) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:606) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:528) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:332) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:285) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:119) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 04:44:39,946 INFO L158 Benchmark]: Toolchain (without parser) took 320144.57ms. Allocated memory was 142.6MB in the beginning and 434.1MB in the end (delta: 291.5MB). Free memory was 96.2MB in the beginning and 270.6MB in the end (delta: -174.5MB). Peak memory consumption was 312.4MB. Max. memory is 16.1GB. [2022-12-14 04:44:39,947 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 142.6MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 04:44:39,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1732.48ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 96.2MB in the beginning and 120.3MB in the end (delta: -24.1MB). Peak memory consumption was 84.8MB. Max. memory is 16.1GB. [2022-12-14 04:44:39,947 INFO L158 Benchmark]: Boogie Procedure Inliner took 140.88ms. Allocated memory is still 172.0MB. Free memory was 120.3MB in the beginning and 108.8MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 04:44:39,947 INFO L158 Benchmark]: Boogie Preprocessor took 90.60ms. Allocated memory is still 172.0MB. Free memory was 108.8MB in the beginning and 99.3MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 04:44:39,947 INFO L158 Benchmark]: RCFGBuilder took 1823.81ms. Allocated memory is still 172.0MB. Free memory was 99.3MB in the beginning and 88.9MB in the end (delta: 10.4MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2022-12-14 04:44:39,948 INFO L158 Benchmark]: TraceAbstraction took 316352.02ms. Allocated memory was 172.0MB in the beginning and 434.1MB in the end (delta: 262.1MB). Free memory was 87.9MB in the beginning and 270.6MB in the end (delta: -182.7MB). Peak memory consumption was 272.9MB. Max. memory is 16.1GB. [2022-12-14 04:44:39,949 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 142.6MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1732.48ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 96.2MB in the beginning and 120.3MB in the end (delta: -24.1MB). Peak memory consumption was 84.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 140.88ms. Allocated memory is still 172.0MB. Free memory was 120.3MB in the beginning and 108.8MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.60ms. Allocated memory is still 172.0MB. Free memory was 108.8MB in the beginning and 99.3MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1823.81ms. Allocated memory is still 172.0MB. Free memory was 99.3MB in the beginning and 88.9MB in the end (delta: 10.4MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. * TraceAbstraction took 316352.02ms. Allocated memory was 172.0MB in the beginning and 434.1MB in the end (delta: 262.1MB). Free memory was 87.9MB in the beginning and 270.6MB in the end (delta: -182.7MB). Peak memory consumption was 272.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: no need to replace index de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: no need to replace index: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.constructReplacementForSelectCase(DerPreprocessor.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 04:44:39,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 71774aeec0d0f8840a1b18b633767b26c38c9eb9d26569d28cdf01c44c9881ac --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 04:44:41,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 04:44:41,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 04:44:41,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 04:44:41,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 04:44:41,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 04:44:41,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 04:44:41,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 04:44:41,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 04:44:41,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 04:44:41,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 04:44:41,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 04:44:41,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 04:44:41,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 04:44:41,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 04:44:41,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 04:44:41,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 04:44:41,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 04:44:41,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 04:44:41,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 04:44:41,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 04:44:41,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 04:44:41,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 04:44:41,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 04:44:41,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 04:44:41,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 04:44:41,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 04:44:41,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 04:44:41,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 04:44:41,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 04:44:41,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 04:44:41,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 04:44:41,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 04:44:41,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 04:44:41,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 04:44:41,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 04:44:41,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 04:44:41,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 04:44:41,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 04:44:41,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 04:44:41,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 04:44:41,741 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-12-14 04:44:41,764 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 04:44:41,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 04:44:41,765 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 04:44:41,765 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 04:44:41,765 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 04:44:41,765 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 04:44:41,766 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 04:44:41,766 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 04:44:41,766 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 04:44:41,766 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 04:44:41,766 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 04:44:41,766 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 04:44:41,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 04:44:41,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 04:44:41,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 04:44:41,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 04:44:41,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 04:44:41,768 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 04:44:41,768 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 04:44:41,768 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 04:44:41,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 04:44:41,769 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 04:44:41,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 04:44:41,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 04:44:41,769 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 04:44:41,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 04:44:41,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:44:41,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 04:44:41,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 04:44:41,770 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 04:44:41,770 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 04:44:41,770 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 04:44:41,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 04:44:41,771 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 04:44:41,771 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 04:44:41,771 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71774aeec0d0f8840a1b18b633767b26c38c9eb9d26569d28cdf01c44c9881ac [2022-12-14 04:44:41,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 04:44:41,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 04:44:41,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 04:44:41,997 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 04:44:41,998 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 04:44:41,999 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i [2022-12-14 04:44:44,565 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 04:44:44,945 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 04:44:44,945 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i [2022-12-14 04:44:44,969 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/data/d7ad9fde0/253676a01cd543da8eddd9292ff69773/FLAG49dcf34e3 [2022-12-14 04:44:44,983 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/data/d7ad9fde0/253676a01cd543da8eddd9292ff69773 [2022-12-14 04:44:44,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 04:44:44,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 04:44:44,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 04:44:44,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 04:44:44,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 04:44:44,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:44:44" (1/1) ... [2022-12-14 04:44:44,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a3fe333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:44, skipping insertion in model container [2022-12-14 04:44:44,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:44:44" (1/1) ... [2022-12-14 04:44:44,999 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 04:44:45,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 04:44:45,316 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i[4496,4509] [2022-12-14 04:44:45,323 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i[4556,4569] [2022-12-14 04:44:45,972 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:45,977 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:45,977 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:45,978 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:45,978 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:45,979 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:45,981 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:45,990 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:45,990 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:45,991 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:45,992 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:45,993 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:45,995 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:45,996 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:45,996 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:45,997 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:45,997 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,056 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:44:46,056 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:44:46,057 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:44:46,062 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 04:44:46,064 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 04:44:46,065 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 04:44:46,256 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 04:44:46,257 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 04:44:46,258 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 04:44:46,259 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 04:44:46,259 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 04:44:46,260 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 04:44:46,260 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 04:44:46,261 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 04:44:46,261 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 04:44:46,262 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 04:44:46,262 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 04:44:46,373 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 04:44:46,392 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,394 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,395 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,396 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,397 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,399 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,402 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,402 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,402 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,403 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,403 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,403 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,434 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 04:44:46,446 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,446 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,446 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,447 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,447 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,447 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,447 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,447 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 04:44:46,448 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,448 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,448 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,448 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,449 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,449 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,451 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,451 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,451 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,452 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,454 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,454 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,460 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,460 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,461 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:44:46,492 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-14 04:44:46,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 04:44:46,521 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i[4496,4509] [2022-12-14 04:44:46,522 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i[4556,4569] [2022-12-14 04:44:46,542 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,544 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,544 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,544 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,544 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,545 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,546 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,556 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,556 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,556 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,557 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,557 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,558 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,558 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,558 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,559 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,559 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,563 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:44:46,564 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:44:46,564 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:44:46,566 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 04:44:46,567 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 04:44:46,567 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 04:44:46,588 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 04:44:46,588 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 04:44:46,589 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 04:44:46,590 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 04:44:46,590 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 04:44:46,591 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 04:44:46,592 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 04:44:46,592 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 04:44:46,592 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 04:44:46,593 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 04:44:46,593 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 04:44:46,612 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 04:44:46,624 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,625 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,627 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,627 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,628 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,629 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,631 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,631 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,631 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,632 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,632 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,632 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,654 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 04:44:46,658 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,658 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,659 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,659 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,659 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,659 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,660 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,660 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 04:44:46,660 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,661 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,661 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,661 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,661 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,662 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,662 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,662 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,663 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,663 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,665 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,665 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,670 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,671 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,671 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:44:46,693 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 04:44:46,705 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i[4496,4509] [2022-12-14 04:44:46,705 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i[4556,4569] [2022-12-14 04:44:46,732 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,733 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,733 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,733 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,734 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,734 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,735 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,737 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,737 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,737 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,738 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,738 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,739 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,739 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,739 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,739 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,740 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,743 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:44:46,744 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:44:46,744 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:44:46,746 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 04:44:46,755 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 04:44:46,756 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 04:44:46,776 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 04:44:46,777 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 04:44:46,778 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 04:44:46,778 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 04:44:46,779 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 04:44:46,780 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 04:44:46,780 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 04:44:46,781 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 04:44:46,781 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 04:44:46,781 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 04:44:46,782 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 04:44:46,809 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 04:44:46,820 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,822 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,823 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,824 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,825 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,826 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,827 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,828 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,828 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,829 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,829 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,829 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 04:44:46,841 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 04:44:46,844 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,845 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,845 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,845 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,845 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,845 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,846 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,846 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 04:44:46,846 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,846 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,846 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,846 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,847 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,847 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,847 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,847 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,847 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,848 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,849 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,849 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,852 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,853 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,853 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:44:46,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:44:47,085 INFO L208 MainTranslator]: Completed translation [2022-12-14 04:44:47,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:47 WrapperNode [2022-12-14 04:44:47,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 04:44:47,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 04:44:47,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 04:44:47,087 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 04:44:47,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:47" (1/1) ... [2022-12-14 04:44:47,139 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:47" (1/1) ... [2022-12-14 04:44:47,181 INFO L138 Inliner]: procedures = 717, calls = 1917, calls flagged for inlining = 60, calls inlined = 15, statements flattened = 1014 [2022-12-14 04:44:47,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 04:44:47,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 04:44:47,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 04:44:47,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 04:44:47,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:47" (1/1) ... [2022-12-14 04:44:47,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:47" (1/1) ... [2022-12-14 04:44:47,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:47" (1/1) ... [2022-12-14 04:44:47,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:47" (1/1) ... [2022-12-14 04:44:47,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:47" (1/1) ... [2022-12-14 04:44:47,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:47" (1/1) ... [2022-12-14 04:44:47,236 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:47" (1/1) ... [2022-12-14 04:44:47,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:47" (1/1) ... [2022-12-14 04:44:47,249 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 04:44:47,250 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 04:44:47,250 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 04:44:47,250 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 04:44:47,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:47" (1/1) ... [2022-12-14 04:44:47,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:44:47,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:44:47,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 04:44:47,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 04:44:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2022-12-14 04:44:47,307 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2022-12-14 04:44:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-12-14 04:44:47,307 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-12-14 04:44:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 04:44:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-12-14 04:44:47,307 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-12-14 04:44:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-12-14 04:44:47,307 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-12-14 04:44:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 04:44:47,308 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 04:44:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 04:44:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-14 04:44:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-12-14 04:44:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2022-12-14 04:44:47,308 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2022-12-14 04:44:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-12-14 04:44:47,308 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-12-14 04:44:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 04:44:47,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 04:44:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2022-12-14 04:44:47,309 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2022-12-14 04:44:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-12-14 04:44:47,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-12-14 04:44:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 04:44:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 04:44:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 04:44:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2022-12-14 04:44:47,309 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2022-12-14 04:44:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-12-14 04:44:47,309 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-12-14 04:44:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 04:44:47,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 04:44:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 04:44:47,310 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 04:44:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-14 04:44:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-12-14 04:44:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-12-14 04:44:47,310 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-12-14 04:44:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 04:44:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-12-14 04:44:47,310 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-12-14 04:44:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-12-14 04:44:47,310 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-12-14 04:44:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-12-14 04:44:47,311 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-12-14 04:44:47,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 04:44:47,311 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 04:44:47,311 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 04:44:47,311 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 04:44:47,311 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-12-14 04:44:47,311 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-12-14 04:44:47,311 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2022-12-14 04:44:47,311 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2022-12-14 04:44:47,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 04:44:47,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 04:44:47,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-12-14 04:44:47,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 04:44:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2022-12-14 04:44:47,312 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2022-12-14 04:44:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 04:44:47,312 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 04:44:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-12-14 04:44:47,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-12-14 04:44:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-12-14 04:44:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-12-14 04:44:47,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-12-14 04:44:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2022-12-14 04:44:47,312 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2022-12-14 04:44:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2022-12-14 04:44:47,312 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2022-12-14 04:44:47,578 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 04:44:47,579 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 04:44:51,892 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 04:44:51,899 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 04:44:51,900 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-14 04:44:51,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:44:51 BoogieIcfgContainer [2022-12-14 04:44:51,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 04:44:51,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 04:44:51,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 04:44:51,906 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 04:44:51,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:44:44" (1/3) ... [2022-12-14 04:44:51,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee34872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:44:51, skipping insertion in model container [2022-12-14 04:44:51,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:47" (2/3) ... [2022-12-14 04:44:51,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee34872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:44:51, skipping insertion in model container [2022-12-14 04:44:51,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:44:51" (3/3) ... [2022-12-14 04:44:51,908 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_pop_harness.i [2022-12-14 04:44:51,921 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 04:44:51,922 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 04:44:51,970 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 04:44:51,975 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@30008a92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 04:44:51,975 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 04:44:51,981 INFO L276 IsEmpty]: Start isEmpty. Operand has 436 states, 251 states have (on average 1.2589641434262948) internal successors, (316), 254 states have internal predecessors, (316), 156 states have call successors, (156), 27 states have call predecessors, (156), 27 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2022-12-14 04:44:51,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-12-14 04:44:51,996 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:44:51,997 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:44:51,997 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:44:52,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:44:52,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1918255772, now seen corresponding path program 1 times [2022-12-14 04:44:52,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:44:52,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1716322358] [2022-12-14 04:44:52,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:44:52,016 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:44:52,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:44:52,017 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:44:52,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 04:44:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:44:52,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 1625 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 04:44:52,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:44:52,957 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2022-12-14 04:44:52,958 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:44:52,958 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:44:52,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1716322358] [2022-12-14 04:44:52,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1716322358] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:44:52,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:44:52,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 04:44:52,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606074546] [2022-12-14 04:44:52,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:44:52,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 04:44:52,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:44:52,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 04:44:52,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 04:44:52,988 INFO L87 Difference]: Start difference. First operand has 436 states, 251 states have (on average 1.2589641434262948) internal successors, (316), 254 states have internal predecessors, (316), 156 states have call successors, (156), 27 states have call predecessors, (156), 27 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 04:44:53,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:44:53,053 INFO L93 Difference]: Finished difference Result 859 states and 1367 transitions. [2022-12-14 04:44:53,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 04:44:53,055 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 133 [2022-12-14 04:44:53,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:44:53,064 INFO L225 Difference]: With dead ends: 859 [2022-12-14 04:44:53,064 INFO L226 Difference]: Without dead ends: 429 [2022-12-14 04:44:53,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 04:44:53,073 INFO L413 NwaCegarLoop]: 617 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:44:53,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:44:53,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2022-12-14 04:44:53,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2022-12-14 04:44:53,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 245 states have (on average 1.2326530612244897) internal successors, (302), 248 states have internal predecessors, (302), 156 states have call successors, (156), 27 states have call predecessors, (156), 26 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) [2022-12-14 04:44:53,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 612 transitions. [2022-12-14 04:44:53,133 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 612 transitions. Word has length 133 [2022-12-14 04:44:53,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:44:53,134 INFO L495 AbstractCegarLoop]: Abstraction has 429 states and 612 transitions. [2022-12-14 04:44:53,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 04:44:53,134 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 612 transitions. [2022-12-14 04:44:53,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-12-14 04:44:53,137 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:44:53,137 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:44:53,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 04:44:53,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:44:53,340 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:44:53,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:44:53,342 INFO L85 PathProgramCache]: Analyzing trace with hash 49472870, now seen corresponding path program 1 times [2022-12-14 04:44:53,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:44:53,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [290514859] [2022-12-14 04:44:53,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:44:53,350 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:44:53,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:44:53,354 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:44:53,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-14 04:44:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:44:54,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 1625 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 04:44:54,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:44:54,541 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-12-14 04:44:54,541 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:44:54,541 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:44:54,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [290514859] [2022-12-14 04:44:54,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [290514859] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:44:54,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:44:54,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 04:44:54,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083773062] [2022-12-14 04:44:54,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:44:54,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 04:44:54,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:44:54,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 04:44:54,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:44:54,544 INFO L87 Difference]: Start difference. First operand 429 states and 612 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-14 04:44:56,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:44:57,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:44:57,208 INFO L93 Difference]: Finished difference Result 824 states and 1193 transitions. [2022-12-14 04:44:57,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:44:57,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 133 [2022-12-14 04:44:57,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:44:57,213 INFO L225 Difference]: With dead ends: 824 [2022-12-14 04:44:57,213 INFO L226 Difference]: Without dead ends: 431 [2022-12-14 04:44:57,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 04:44:57,216 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 35 mSDsluCounter, 1672 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 2259 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-14 04:44:57,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 2259 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-12-14 04:44:57,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2022-12-14 04:44:57,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 431. [2022-12-14 04:44:57,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 246 states have (on average 1.2317073170731707) internal successors, (303), 250 states have internal predecessors, (303), 156 states have call successors, (156), 27 states have call predecessors, (156), 27 states have return successors, (168), 154 states have call predecessors, (168), 154 states have call successors, (168) [2022-12-14 04:44:57,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 627 transitions. [2022-12-14 04:44:57,240 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 627 transitions. Word has length 133 [2022-12-14 04:44:57,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:44:57,241 INFO L495 AbstractCegarLoop]: Abstraction has 431 states and 627 transitions. [2022-12-14 04:44:57,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-14 04:44:57,241 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 627 transitions. [2022-12-14 04:44:57,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-12-14 04:44:57,243 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:44:57,243 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:44:57,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-14 04:44:57,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:44:57,444 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:44:57,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:44:57,444 INFO L85 PathProgramCache]: Analyzing trace with hash 339867980, now seen corresponding path program 1 times [2022-12-14 04:44:57,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:44:57,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1178411461] [2022-12-14 04:44:57,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:44:57,447 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:44:57,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:44:57,448 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:44:57,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-14 04:44:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:44:58,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 1655 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 04:44:58,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:44:58,622 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-12-14 04:44:58,622 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:44:58,622 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:44:58,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1178411461] [2022-12-14 04:44:58,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1178411461] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:44:58,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:44:58,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 04:44:58,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406890284] [2022-12-14 04:44:58,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:44:58,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 04:44:58,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:44:58,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 04:44:58,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 04:44:58,624 INFO L87 Difference]: Start difference. First operand 431 states and 627 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2022-12-14 04:45:01,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:45:02,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:45:02,181 INFO L93 Difference]: Finished difference Result 847 states and 1266 transitions. [2022-12-14 04:45:02,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 04:45:02,182 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 141 [2022-12-14 04:45:02,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:45:02,186 INFO L225 Difference]: With dead ends: 847 [2022-12-14 04:45:02,186 INFO L226 Difference]: Without dead ends: 452 [2022-12-14 04:45:02,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-14 04:45:02,189 INFO L413 NwaCegarLoop]: 582 mSDtfsCounter, 71 mSDsluCounter, 2747 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 3329 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-12-14 04:45:02,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 3329 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 343 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-12-14 04:45:02,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2022-12-14 04:45:02,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 450. [2022-12-14 04:45:02,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 262 states have (on average 1.2404580152671756) internal successors, (325), 266 states have internal predecessors, (325), 158 states have call successors, (158), 27 states have call predecessors, (158), 28 states have return successors, (187), 157 states have call predecessors, (187), 156 states have call successors, (187) [2022-12-14 04:45:02,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 670 transitions. [2022-12-14 04:45:02,212 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 670 transitions. Word has length 141 [2022-12-14 04:45:02,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:45:02,212 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 670 transitions. [2022-12-14 04:45:02,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2022-12-14 04:45:02,212 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 670 transitions. [2022-12-14 04:45:02,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-12-14 04:45:02,214 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:45:02,214 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 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] [2022-12-14 04:45:02,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-14 04:45:02,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:45:02,416 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:45:02,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:45:02,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1643588180, now seen corresponding path program 1 times [2022-12-14 04:45:02,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:45:02,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [866106936] [2022-12-14 04:45:02,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:45:02,424 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:45:02,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:45:02,427 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:45:02,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-12-14 04:45:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:45:03,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 1767 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 04:45:03,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:45:03,734 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-12-14 04:45:03,734 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:45:03,734 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:45:03,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [866106936] [2022-12-14 04:45:03,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [866106936] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:45:03,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:45:03,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 04:45:03,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552960834] [2022-12-14 04:45:03,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:45:03,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 04:45:03,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:45:03,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 04:45:03,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 04:45:03,736 INFO L87 Difference]: Start difference. First operand 450 states and 670 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2022-12-14 04:45:06,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:45:07,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:45:07,050 INFO L93 Difference]: Finished difference Result 872 states and 1341 transitions. [2022-12-14 04:45:07,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 04:45:07,052 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 156 [2022-12-14 04:45:07,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:45:07,057 INFO L225 Difference]: With dead ends: 872 [2022-12-14 04:45:07,057 INFO L226 Difference]: Without dead ends: 458 [2022-12-14 04:45:07,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-14 04:45:07,060 INFO L413 NwaCegarLoop]: 581 mSDtfsCounter, 58 mSDsluCounter, 2198 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 2779 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-14 04:45:07,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 2779 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 268 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-12-14 04:45:07,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2022-12-14 04:45:07,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 450. [2022-12-14 04:45:07,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 262 states have (on average 1.2404580152671756) internal successors, (325), 266 states have internal predecessors, (325), 158 states have call successors, (158), 27 states have call predecessors, (158), 28 states have return successors, (187), 157 states have call predecessors, (187), 156 states have call successors, (187) [2022-12-14 04:45:07,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 670 transitions. [2022-12-14 04:45:07,090 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 670 transitions. Word has length 156 [2022-12-14 04:45:07,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:45:07,091 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 670 transitions. [2022-12-14 04:45:07,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2022-12-14 04:45:07,091 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 670 transitions. [2022-12-14 04:45:07,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-12-14 04:45:07,093 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:45:07,093 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:45:07,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-12-14 04:45:07,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:45:07,295 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:45:07,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:45:07,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1003251797, now seen corresponding path program 1 times [2022-12-14 04:45:07,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:45:07,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [320437072] [2022-12-14 04:45:07,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:45:07,299 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:45:07,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:45:07,300 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:45:07,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-12-14 04:45:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:45:08,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 1815 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 04:45:08,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:45:08,878 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-12-14 04:45:08,878 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:45:08,879 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:45:08,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [320437072] [2022-12-14 04:45:08,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [320437072] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:45:08,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:45:08,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 04:45:08,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049857010] [2022-12-14 04:45:08,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:45:08,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 04:45:08,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:45:08,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 04:45:08,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-14 04:45:08,881 INFO L87 Difference]: Start difference. First operand 450 states and 670 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 5 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2022-12-14 04:45:12,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:45:13,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:45:13,648 INFO L93 Difference]: Finished difference Result 894 states and 1360 transitions. [2022-12-14 04:45:13,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 04:45:13,649 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 5 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 172 [2022-12-14 04:45:13,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:45:13,653 INFO L225 Difference]: With dead ends: 894 [2022-12-14 04:45:13,653 INFO L226 Difference]: Without dead ends: 480 [2022-12-14 04:45:13,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-12-14 04:45:13,655 INFO L413 NwaCegarLoop]: 566 mSDtfsCounter, 130 mSDsluCounter, 3215 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 3781 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-12-14 04:45:13,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 3781 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 587 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-12-14 04:45:13,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2022-12-14 04:45:13,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 462. [2022-12-14 04:45:13,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 272 states have (on average 1.2463235294117647) internal successors, (339), 276 states have internal predecessors, (339), 159 states have call successors, (159), 28 states have call predecessors, (159), 29 states have return successors, (188), 158 states have call predecessors, (188), 157 states have call successors, (188) [2022-12-14 04:45:13,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 686 transitions. [2022-12-14 04:45:13,675 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 686 transitions. Word has length 172 [2022-12-14 04:45:13,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:45:13,676 INFO L495 AbstractCegarLoop]: Abstraction has 462 states and 686 transitions. [2022-12-14 04:45:13,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 5 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2022-12-14 04:45:13,676 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 686 transitions. [2022-12-14 04:45:13,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-12-14 04:45:13,678 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:45:13,678 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:45:13,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-12-14 04:45:13,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:45:13,879 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:45:13,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:45:13,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1942699821, now seen corresponding path program 2 times [2022-12-14 04:45:13,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:45:13,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [630021613] [2022-12-14 04:45:13,887 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-14 04:45:13,887 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:45:13,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:45:13,890 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:45:13,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-12-14 04:45:17,310 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-14 04:45:17,311 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 04:45:17,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 1927 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 04:45:17,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:45:18,069 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-12-14 04:45:18,069 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:45:18,069 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:45:18,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [630021613] [2022-12-14 04:45:18,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [630021613] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:45:18,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:45:18,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 04:45:18,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296506731] [2022-12-14 04:45:18,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:45:18,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 04:45:18,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:45:18,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 04:45:18,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 04:45:18,071 INFO L87 Difference]: Start difference. First operand 462 states and 686 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 04:45:22,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:45:24,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:45:26,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:45:29,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:45:29,457 INFO L93 Difference]: Finished difference Result 924 states and 1434 transitions. [2022-12-14 04:45:29,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 04:45:29,460 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 187 [2022-12-14 04:45:29,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:45:29,462 INFO L225 Difference]: With dead ends: 924 [2022-12-14 04:45:29,462 INFO L226 Difference]: Without dead ends: 498 [2022-12-14 04:45:29,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-14 04:45:29,465 INFO L413 NwaCegarLoop]: 623 mSDtfsCounter, 23 mSDsluCounter, 2267 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 2890 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-12-14 04:45:29,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 2890 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 258 Invalid, 3 Unknown, 0 Unchecked, 10.8s Time] [2022-12-14 04:45:29,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2022-12-14 04:45:29,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 470. [2022-12-14 04:45:29,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 280 states have (on average 1.2464285714285714) internal successors, (349), 284 states have internal predecessors, (349), 159 states have call successors, (159), 28 states have call predecessors, (159), 29 states have return successors, (188), 158 states have call predecessors, (188), 157 states have call successors, (188) [2022-12-14 04:45:29,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 696 transitions. [2022-12-14 04:45:29,489 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 696 transitions. Word has length 187 [2022-12-14 04:45:29,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:45:29,489 INFO L495 AbstractCegarLoop]: Abstraction has 470 states and 696 transitions. [2022-12-14 04:45:29,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 04:45:29,489 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 696 transitions. [2022-12-14 04:45:29,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-12-14 04:45:29,491 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:45:29,491 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:45:29,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-12-14 04:45:29,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:45:29,693 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:45:29,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:45:29,694 INFO L85 PathProgramCache]: Analyzing trace with hash -375941871, now seen corresponding path program 1 times [2022-12-14 04:45:29,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:45:29,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1831164637] [2022-12-14 04:45:29,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:45:29,701 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:45:29,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:45:29,704 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:45:29,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-12-14 04:45:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:45:31,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 1925 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 04:45:31,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:45:32,215 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-12-14 04:45:32,215 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:45:32,215 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:45:32,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1831164637] [2022-12-14 04:45:32,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1831164637] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:45:32,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:45:32,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 04:45:32,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891951102] [2022-12-14 04:45:32,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:45:32,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 04:45:32,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:45:32,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 04:45:32,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 04:45:32,217 INFO L87 Difference]: Start difference. First operand 470 states and 696 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 04:45:37,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:45:39,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:45:41,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:45:44,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:45:44,885 INFO L93 Difference]: Finished difference Result 934 states and 1444 transitions. [2022-12-14 04:45:44,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 04:45:44,889 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 187 [2022-12-14 04:45:44,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:45:44,892 INFO L225 Difference]: With dead ends: 934 [2022-12-14 04:45:44,892 INFO L226 Difference]: Without dead ends: 500 [2022-12-14 04:45:44,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-12-14 04:45:44,894 INFO L413 NwaCegarLoop]: 622 mSDtfsCounter, 20 mSDsluCounter, 2880 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 3502 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-12-14 04:45:44,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 3502 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 276 Invalid, 3 Unknown, 0 Unchecked, 11.8s Time] [2022-12-14 04:45:44,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2022-12-14 04:45:44,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 474. [2022-12-14 04:45:44,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 284 states have (on average 1.2429577464788732) internal successors, (353), 288 states have internal predecessors, (353), 159 states have call successors, (159), 28 states have call predecessors, (159), 29 states have return successors, (188), 158 states have call predecessors, (188), 157 states have call successors, (188) [2022-12-14 04:45:44,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 700 transitions. [2022-12-14 04:45:44,912 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 700 transitions. Word has length 187 [2022-12-14 04:45:44,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:45:44,913 INFO L495 AbstractCegarLoop]: Abstraction has 474 states and 700 transitions. [2022-12-14 04:45:44,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 04:45:44,913 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 700 transitions. [2022-12-14 04:45:44,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-12-14 04:45:44,914 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:45:44,914 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:45:44,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-12-14 04:45:45,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:45:45,116 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:45:45,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:45:45,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1518444337, now seen corresponding path program 1 times [2022-12-14 04:45:45,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:45:45,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [783398442] [2022-12-14 04:45:45,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:45:45,125 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:45:45,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:45:45,128 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:45:45,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-12-14 04:45:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:45:46,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 1922 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 04:45:46,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:45:50,323 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_25| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_1| (_ BitVec 64))) (not (= (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_25|) (bvadd (_ bv80 64) |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_1|)) (_ bv0 64)))) (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_25| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_1| (_ BitVec 64))) (not (= (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_25|) (bvadd (_ bv80 64) |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_1|)) (_ bv0 64))))) is different from true [2022-12-14 04:45:52,654 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_26| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_2| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_26|) (bvadd (_ bv80 64) |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_2|))))) (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_26| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_2| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_26|) (bvadd (_ bv80 64) |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_2|)))))) is different from true [2022-12-14 04:45:53,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2022-12-14 04:45:53,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-12-14 04:45:53,205 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-12-14 04:45:53,206 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:45:53,206 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:45:53,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [783398442] [2022-12-14 04:45:53,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [783398442] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:45:53,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:45:53,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-14 04:45:53,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550288912] [2022-12-14 04:45:53,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:45:53,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 04:45:53,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:45:53,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 04:45:53,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=74, Unknown=2, NotChecked=34, Total=132 [2022-12-14 04:45:53,209 INFO L87 Difference]: Start difference. First operand 474 states and 700 transitions. Second operand has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 12 states have internal predecessors, (86), 6 states have call successors, (25), 4 states have call predecessors, (25), 5 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) [2022-12-14 04:45:58,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:46:05,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:46:05,008 INFO L93 Difference]: Finished difference Result 946 states and 1459 transitions. [2022-12-14 04:46:05,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 04:46:05,010 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 12 states have internal predecessors, (86), 6 states have call successors, (25), 4 states have call predecessors, (25), 5 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) Word has length 187 [2022-12-14 04:46:05,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:46:05,013 INFO L225 Difference]: With dead ends: 946 [2022-12-14 04:46:05,013 INFO L226 Difference]: Without dead ends: 535 [2022-12-14 04:46:05,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 174 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=68, Invalid=210, Unknown=2, NotChecked=62, Total=342 [2022-12-14 04:46:05,015 INFO L413 NwaCegarLoop]: 591 mSDtfsCounter, 73 mSDsluCounter, 4249 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 4840 SdHoareTripleChecker+Invalid, 2293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 1399 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-12-14 04:46:05,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 4840 Invalid, 2293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 883 Invalid, 1 Unknown, 1399 Unchecked, 10.3s Time] [2022-12-14 04:46:05,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2022-12-14 04:46:05,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 504. [2022-12-14 04:46:05,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 307 states have (on average 1.237785016286645) internal successors, (380), 311 states have internal predecessors, (380), 162 states have call successors, (162), 31 states have call predecessors, (162), 33 states have return successors, (207), 162 states have call predecessors, (207), 160 states have call successors, (207) [2022-12-14 04:46:05,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 749 transitions. [2022-12-14 04:46:05,050 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 749 transitions. Word has length 187 [2022-12-14 04:46:05,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:46:05,050 INFO L495 AbstractCegarLoop]: Abstraction has 504 states and 749 transitions. [2022-12-14 04:46:05,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 12 states have internal predecessors, (86), 6 states have call successors, (25), 4 states have call predecessors, (25), 5 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) [2022-12-14 04:46:05,051 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 749 transitions. [2022-12-14 04:46:05,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-12-14 04:46:05,052 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:46:05,053 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:46:05,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-12-14 04:46:05,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:46:05,254 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:46:05,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:46:05,256 INFO L85 PathProgramCache]: Analyzing trace with hash 473136529, now seen corresponding path program 1 times [2022-12-14 04:46:05,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:46:05,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1695589825] [2022-12-14 04:46:05,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:46:05,262 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:46:05,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:46:05,265 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:46:05,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-12-14 04:46:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:46:06,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 1924 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 04:46:06,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:46:06,903 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-12-14 04:46:06,903 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:46:06,903 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:46:06,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1695589825] [2022-12-14 04:46:06,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1695589825] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:46:06,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:46:06,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 04:46:06,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848210004] [2022-12-14 04:46:06,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:46:06,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 04:46:06,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:46:06,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 04:46:06,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:46:06,905 INFO L87 Difference]: Start difference. First operand 504 states and 749 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 04:46:07,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:46:07,096 INFO L93 Difference]: Finished difference Result 974 states and 1516 transitions. [2022-12-14 04:46:07,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 04:46:07,096 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 187 [2022-12-14 04:46:07,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:46:07,100 INFO L225 Difference]: With dead ends: 974 [2022-12-14 04:46:07,100 INFO L226 Difference]: Without dead ends: 524 [2022-12-14 04:46:07,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 04:46:07,102 INFO L413 NwaCegarLoop]: 636 mSDtfsCounter, 8 mSDsluCounter, 1882 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2518 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 04:46:07,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2518 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 04:46:07,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2022-12-14 04:46:07,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 512. [2022-12-14 04:46:07,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 315 states have (on average 1.234920634920635) internal successors, (389), 319 states have internal predecessors, (389), 162 states have call successors, (162), 31 states have call predecessors, (162), 33 states have return successors, (207), 162 states have call predecessors, (207), 160 states have call successors, (207) [2022-12-14 04:46:07,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 758 transitions. [2022-12-14 04:46:07,124 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 758 transitions. Word has length 187 [2022-12-14 04:46:07,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:46:07,124 INFO L495 AbstractCegarLoop]: Abstraction has 512 states and 758 transitions. [2022-12-14 04:46:07,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 04:46:07,125 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 758 transitions. [2022-12-14 04:46:07,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-12-14 04:46:07,126 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:46:07,126 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:46:07,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-12-14 04:46:07,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:46:07,327 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:46:07,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:46:07,328 INFO L85 PathProgramCache]: Analyzing trace with hash -755362783, now seen corresponding path program 1 times [2022-12-14 04:46:07,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:46:07,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [381276291] [2022-12-14 04:46:07,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:46:07,331 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:46:07,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:46:07,333 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:46:07,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-12-14 04:46:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:46:08,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 1923 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 04:46:08,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:46:09,265 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-12-14 04:46:09,265 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:46:09,265 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:46:09,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [381276291] [2022-12-14 04:46:09,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [381276291] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:46:09,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:46:09,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 04:46:09,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241583313] [2022-12-14 04:46:09,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:46:09,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 04:46:09,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:46:09,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 04:46:09,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 04:46:09,267 INFO L87 Difference]: Start difference. First operand 512 states and 758 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 04:46:11,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:46:11,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:46:11,592 INFO L93 Difference]: Finished difference Result 956 states and 1436 transitions. [2022-12-14 04:46:11,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 04:46:11,593 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) Word has length 188 [2022-12-14 04:46:11,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:46:11,596 INFO L225 Difference]: With dead ends: 956 [2022-12-14 04:46:11,596 INFO L226 Difference]: Without dead ends: 527 [2022-12-14 04:46:11,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 04:46:11,598 INFO L413 NwaCegarLoop]: 612 mSDtfsCounter, 7 mSDsluCounter, 3037 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 3649 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-14 04:46:11,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 3649 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-12-14 04:46:11,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2022-12-14 04:46:11,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 525. [2022-12-14 04:46:11,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 325 states have (on average 1.236923076923077) internal successors, (402), 329 states have internal predecessors, (402), 164 states have call successors, (164), 31 states have call predecessors, (164), 34 states have return successors, (214), 165 states have call predecessors, (214), 162 states have call successors, (214) [2022-12-14 04:46:11,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 780 transitions. [2022-12-14 04:46:11,627 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 780 transitions. Word has length 188 [2022-12-14 04:46:11,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:46:11,627 INFO L495 AbstractCegarLoop]: Abstraction has 525 states and 780 transitions. [2022-12-14 04:46:11,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 04:46:11,627 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 780 transitions. [2022-12-14 04:46:11,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-12-14 04:46:11,628 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:46:11,629 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:46:11,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-12-14 04:46:11,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:46:11,830 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:46:11,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:46:11,830 INFO L85 PathProgramCache]: Analyzing trace with hash 120656223, now seen corresponding path program 1 times [2022-12-14 04:46:11,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:46:11,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1764920996] [2022-12-14 04:46:11,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:46:11,832 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:46:11,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:46:11,833 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:46:11,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-12-14 04:46:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:46:13,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 1921 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 04:46:13,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:46:14,057 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-12-14 04:46:14,058 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:46:14,058 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:46:14,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1764920996] [2022-12-14 04:46:14,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1764920996] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:46:14,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:46:14,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 04:46:14,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549256222] [2022-12-14 04:46:14,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:46:14,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 04:46:14,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:46:14,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 04:46:14,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-14 04:46:14,060 INFO L87 Difference]: Start difference. First operand 525 states and 780 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-14 04:46:16,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:46:18,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:46:18,189 INFO L93 Difference]: Finished difference Result 954 states and 1432 transitions. [2022-12-14 04:46:18,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 04:46:18,190 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 188 [2022-12-14 04:46:18,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:46:18,194 INFO L225 Difference]: With dead ends: 954 [2022-12-14 04:46:18,194 INFO L226 Difference]: Without dead ends: 510 [2022-12-14 04:46:18,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-12-14 04:46:18,196 INFO L413 NwaCegarLoop]: 574 mSDtfsCounter, 8 mSDsluCounter, 3920 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 4494 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:46:18,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 4494 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 408 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-12-14 04:46:18,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2022-12-14 04:46:18,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 510. [2022-12-14 04:46:18,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 313 states have (on average 1.2300319488817892) internal successors, (385), 318 states have internal predecessors, (385), 162 states have call successors, (162), 31 states have call predecessors, (162), 33 states have return successors, (208), 161 states have call predecessors, (208), 160 states have call successors, (208) [2022-12-14 04:46:18,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 755 transitions. [2022-12-14 04:46:18,219 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 755 transitions. Word has length 188 [2022-12-14 04:46:18,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:46:18,219 INFO L495 AbstractCegarLoop]: Abstraction has 510 states and 755 transitions. [2022-12-14 04:46:18,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-14 04:46:18,220 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 755 transitions. [2022-12-14 04:46:18,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-12-14 04:46:18,221 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:46:18,221 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:46:18,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-12-14 04:46:18,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:46:18,423 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:46:18,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:46:18,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1113187243, now seen corresponding path program 1 times [2022-12-14 04:46:18,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:46:18,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [548781207] [2022-12-14 04:46:18,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:46:18,431 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:46:18,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:46:18,434 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:46:18,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-12-14 04:46:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:46:20,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 1946 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 04:46:20,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:46:23,817 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_27| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_3| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_27|) (bvadd (_ bv80 64) |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_3|))))) (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_27| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_3| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_27|) (bvadd (_ bv80 64) |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_3|)))))) is different from true [2022-12-14 04:46:26,150 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_4| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_28| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_28|) (bvadd (_ bv80 64) |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_4|))))) (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_4| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_28| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_28|) (bvadd (_ bv80 64) |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_4|)))))) is different from true [2022-12-14 04:46:26,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2022-12-14 04:46:27,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-12-14 04:46:27,134 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 4 not checked. [2022-12-14 04:46:27,134 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:46:30,847 INFO L321 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2022-12-14 04:46:30,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 25 [2022-12-14 04:46:30,913 INFO L321 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2022-12-14 04:46:30,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 12 [2022-12-14 04:46:31,139 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-12-14 04:46:31,140 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:46:31,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [548781207] [2022-12-14 04:46:31,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [548781207] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:46:31,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1002497825] [2022-12-14 04:46:31,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:46:31,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 04:46:31,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 04:46:31,141 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 04:46:31,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2022-12-14 04:46:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:46:32,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 1946 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 04:46:32,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:46:33,002 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-12-14 04:46:33,002 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:46:33,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1002497825] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:46:33,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 04:46:33,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12, 10] total 18 [2022-12-14 04:46:33,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677532821] [2022-12-14 04:46:33,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:46:33,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 04:46:33,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:46:33,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 04:46:33,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=207, Unknown=2, NotChecked=58, Total=306 [2022-12-14 04:46:33,004 INFO L87 Difference]: Start difference. First operand 510 states and 755 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2022-12-14 04:46:35,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:46:36,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:46:36,372 INFO L93 Difference]: Finished difference Result 938 states and 1415 transitions. [2022-12-14 04:46:36,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 04:46:36,374 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) Word has length 198 [2022-12-14 04:46:36,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:46:36,377 INFO L225 Difference]: With dead ends: 938 [2022-12-14 04:46:36,378 INFO L226 Difference]: Without dead ends: 512 [2022-12-14 04:46:36,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 594 GetRequests, 574 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=47, Invalid=265, Unknown=2, NotChecked=66, Total=380 [2022-12-14 04:46:36,380 INFO L413 NwaCegarLoop]: 580 mSDtfsCounter, 67 mSDsluCounter, 2178 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 24 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 2758 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-14 04:46:36,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 2758 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 176 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2022-12-14 04:46:36,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2022-12-14 04:46:36,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 512. [2022-12-14 04:46:36,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 314 states have (on average 1.2292993630573248) internal successors, (386), 320 states have internal predecessors, (386), 162 states have call successors, (162), 31 states have call predecessors, (162), 34 states have return successors, (219), 161 states have call predecessors, (219), 160 states have call successors, (219) [2022-12-14 04:46:36,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 767 transitions. [2022-12-14 04:46:36,402 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 767 transitions. Word has length 198 [2022-12-14 04:46:36,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:46:36,402 INFO L495 AbstractCegarLoop]: Abstraction has 512 states and 767 transitions. [2022-12-14 04:46:36,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2022-12-14 04:46:36,402 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 767 transitions. [2022-12-14 04:46:36,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-12-14 04:46:36,403 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:46:36,404 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-14 04:46:36,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2022-12-14 04:46:36,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-12-14 04:46:36,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:46:36,805 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:46:36,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:46:36,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1672946565, now seen corresponding path program 1 times [2022-12-14 04:46:36,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:46:36,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [808536410] [2022-12-14 04:46:36,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:46:36,813 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:46:36,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:46:36,816 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:46:36,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-12-14 04:46:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:46:38,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 1976 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 04:46:38,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:46:41,973 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_8| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_41| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_41|) (bvadd (_ bv80 64) |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_8|))))) (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_8| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_41| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_41|) (bvadd (_ bv80 64) |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_8|)))))) is different from true [2022-12-14 04:46:44,313 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_42| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_9| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_42|) (bvadd (_ bv80 64) |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_9|))))) (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_42| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_9| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_42|) (bvadd (_ bv80 64) |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_9|)))))) is different from true [2022-12-14 04:46:45,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2022-12-14 04:46:45,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-12-14 04:46:45,153 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 4 not checked. [2022-12-14 04:46:45,153 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:46:49,049 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 04:46:49,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 29 [2022-12-14 04:46:49,153 INFO L321 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2022-12-14 04:46:49,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2022-12-14 04:46:49,407 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2022-12-14 04:46:49,407 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:46:49,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [808536410] [2022-12-14 04:46:49,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [808536410] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:46:49,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [639533487] [2022-12-14 04:46:49,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:46:49,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 04:46:49,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 04:46:49,408 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 04:46:49,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2022-12-14 04:46:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:46:50,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 1976 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 04:46:50,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:46:51,472 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2022-12-14 04:46:51,472 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:46:51,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [639533487] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:46:51,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 04:46:51,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12, 10] total 20 [2022-12-14 04:46:51,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551694919] [2022-12-14 04:46:51,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:46:51,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 04:46:51,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:46:51,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 04:46:51,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=269, Unknown=2, NotChecked=66, Total=380 [2022-12-14 04:46:51,475 INFO L87 Difference]: Start difference. First operand 512 states and 767 transitions. Second operand has 8 states, 7 states have (on average 13.285714285714286) internal successors, (93), 8 states have internal predecessors, (93), 5 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2022-12-14 04:46:54,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:46:56,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:46:56,526 INFO L93 Difference]: Finished difference Result 970 states and 1476 transitions. [2022-12-14 04:46:56,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 04:46:56,527 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.285714285714286) internal successors, (93), 8 states have internal predecessors, (93), 5 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) Word has length 206 [2022-12-14 04:46:56,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:46:56,531 INFO L225 Difference]: With dead ends: 970 [2022-12-14 04:46:56,531 INFO L226 Difference]: Without dead ends: 542 [2022-12-14 04:46:56,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 620 GetRequests, 597 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=55, Invalid=371, Unknown=2, NotChecked=78, Total=506 [2022-12-14 04:46:56,533 INFO L413 NwaCegarLoop]: 558 mSDtfsCounter, 119 mSDsluCounter, 3154 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 3712 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-12-14 04:46:56,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 3712 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 436 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2022-12-14 04:46:56,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2022-12-14 04:46:56,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 540. [2022-12-14 04:46:56,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 341 states have (on average 1.2346041055718475) internal successors, (421), 346 states have internal predecessors, (421), 163 states have call successors, (163), 31 states have call predecessors, (163), 34 states have return successors, (220), 163 states have call predecessors, (220), 161 states have call successors, (220) [2022-12-14 04:46:56,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 804 transitions. [2022-12-14 04:46:56,557 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 804 transitions. Word has length 206 [2022-12-14 04:46:56,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:46:56,558 INFO L495 AbstractCegarLoop]: Abstraction has 540 states and 804 transitions. [2022-12-14 04:46:56,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.285714285714286) internal successors, (93), 8 states have internal predecessors, (93), 5 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2022-12-14 04:46:56,558 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 804 transitions. [2022-12-14 04:46:56,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-12-14 04:46:56,559 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:46:56,559 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2022-12-14 04:46:56,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2022-12-14 04:46:56,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2022-12-14 04:46:56,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:46:56,962 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:46:56,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:46:56,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1296624131, now seen corresponding path program 2 times [2022-12-14 04:46:56,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:46:56,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [320347202] [2022-12-14 04:46:56,967 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-14 04:46:56,968 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:46:56,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:46:56,969 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:46:56,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-12-14 04:47:00,360 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-14 04:47:00,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 04:47:00,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 2088 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 04:47:00,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:47:04,084 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_13| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_55| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_55|) (bvadd |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_13| (_ bv80 64)))))) (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_13| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_55| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_55|) (bvadd |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_13| (_ bv80 64))))))) is different from true [2022-12-14 04:47:06,426 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_14| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_56| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_56|) (bvadd |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_14| (_ bv80 64)))))) (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_14| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_56| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_56|) (bvadd |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_14| (_ bv80 64))))))) is different from true [2022-12-14 04:47:07,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2022-12-14 04:47:07,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-12-14 04:47:07,248 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 4 not checked. [2022-12-14 04:47:07,248 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:47:11,138 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 04:47:11,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 29 [2022-12-14 04:47:11,237 INFO L321 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2022-12-14 04:47:11,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2022-12-14 04:47:11,492 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2022-12-14 04:47:11,492 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:47:11,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [320347202] [2022-12-14 04:47:11,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [320347202] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:47:11,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [891571730] [2022-12-14 04:47:11,492 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-14 04:47:11,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 04:47:11,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 04:47:11,493 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 04:47:11,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2022-12-14 04:47:20,273 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-14 04:47:20,273 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 04:47:20,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 2088 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 04:47:20,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:47:21,308 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2022-12-14 04:47:21,308 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:47:21,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [891571730] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:47:21,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 04:47:21,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12, 10] total 19 [2022-12-14 04:47:21,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850101143] [2022-12-14 04:47:21,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:47:21,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 04:47:21,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:47:21,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 04:47:21,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=236, Unknown=2, NotChecked=62, Total=342 [2022-12-14 04:47:21,310 INFO L87 Difference]: Start difference. First operand 540 states and 804 transitions. Second operand has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 5 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2022-12-14 04:47:24,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:47:25,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:47:25,938 INFO L93 Difference]: Finished difference Result 1004 states and 1539 transitions. [2022-12-14 04:47:25,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 04:47:25,939 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 5 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) Word has length 221 [2022-12-14 04:47:25,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:47:25,942 INFO L225 Difference]: With dead ends: 1004 [2022-12-14 04:47:25,943 INFO L226 Difference]: Without dead ends: 548 [2022-12-14 04:47:25,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 667 GetRequests, 644 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=61, Invalid=365, Unknown=2, NotChecked=78, Total=506 [2022-12-14 04:47:25,945 INFO L413 NwaCegarLoop]: 574 mSDtfsCounter, 90 mSDsluCounter, 2687 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 3261 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-14 04:47:25,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 3261 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 328 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-12-14 04:47:25,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2022-12-14 04:47:25,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 540. [2022-12-14 04:47:25,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 341 states have (on average 1.2346041055718475) internal successors, (421), 346 states have internal predecessors, (421), 163 states have call successors, (163), 31 states have call predecessors, (163), 34 states have return successors, (220), 163 states have call predecessors, (220), 161 states have call successors, (220) [2022-12-14 04:47:25,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 804 transitions. [2022-12-14 04:47:25,970 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 804 transitions. Word has length 221 [2022-12-14 04:47:25,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:47:25,971 INFO L495 AbstractCegarLoop]: Abstraction has 540 states and 804 transitions. [2022-12-14 04:47:25,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 5 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2022-12-14 04:47:25,971 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 804 transitions. [2022-12-14 04:47:25,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-12-14 04:47:25,972 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:47:25,973 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2022-12-14 04:47:26,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2022-12-14 04:47:26,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2022-12-14 04:47:26,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 04:47:26,376 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:47:26,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:47:26,377 INFO L85 PathProgramCache]: Analyzing trace with hash 2123766270, now seen corresponding path program 1 times [2022-12-14 04:47:26,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:47:26,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1318520624] [2022-12-14 04:47:26,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:47:26,381 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:47:26,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:47:26,382 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:47:26,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-12-14 04:47:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:47:28,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 2131 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 04:47:28,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:47:31,668 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_18| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_69| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_69|) (bvadd |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_18| (_ bv80 64)))))) (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_18| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_69| (_ BitVec 64))) (not (= (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_69|) (bvadd |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_18| (_ bv80 64))) (_ bv0 64))))) is different from true [2022-12-14 04:47:34,005 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_70| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_19| (_ BitVec 64))) (not (= (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_70|) (bvadd |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_19| (_ bv80 64))) (_ bv0 64)))) (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_70| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_19| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_70|) (bvadd |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_19| (_ bv80 64))))))) is different from true [2022-12-14 04:47:34,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2022-12-14 04:47:34,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-12-14 04:47:34,870 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 4 not checked. [2022-12-14 04:47:34,871 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:47:38,777 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 04:47:38,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 29 [2022-12-14 04:47:38,868 INFO L321 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2022-12-14 04:47:38,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2022-12-14 04:47:39,123 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-12-14 04:47:39,123 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:47:39,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1318520624] [2022-12-14 04:47:39,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1318520624] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:47:39,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [985360965] [2022-12-14 04:47:39,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:47:39,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 04:47:39,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 04:47:39,125 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 04:47:39,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2022-12-14 04:47:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:47:40,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 2131 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 04:47:40,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:47:41,611 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-12-14 04:47:41,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:47:41,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [985360965] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:47:41,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 04:47:41,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12, 10] total 21 [2022-12-14 04:47:41,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583058114] [2022-12-14 04:47:41,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:47:41,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 04:47:41,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:47:41,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 04:47:41,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=302, Unknown=2, NotChecked=70, Total=420 [2022-12-14 04:47:41,614 INFO L87 Difference]: Start difference. First operand 540 states and 804 transitions. Second operand has 9 states, 8 states have (on average 13.0) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 5 states have call predecessors, (27), 6 states have call successors, (27) [2022-12-14 04:47:45,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:47:48,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:47:48,519 INFO L93 Difference]: Finished difference Result 998 states and 1510 transitions. [2022-12-14 04:47:48,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 04:47:48,520 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.0) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 5 states have call predecessors, (27), 6 states have call successors, (27) Word has length 237 [2022-12-14 04:47:48,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:47:48,524 INFO L225 Difference]: With dead ends: 998 [2022-12-14 04:47:48,524 INFO L226 Difference]: Without dead ends: 542 [2022-12-14 04:47:48,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 717 GetRequests, 691 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=69, Invalid=489, Unknown=2, NotChecked=90, Total=650 [2022-12-14 04:47:48,526 INFO L413 NwaCegarLoop]: 559 mSDtfsCounter, 162 mSDsluCounter, 3665 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 41 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 4224 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-12-14 04:47:48,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 4224 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 695 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-12-14 04:47:48,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2022-12-14 04:47:48,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 510. [2022-12-14 04:47:48,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 313 states have (on average 1.2300319488817892) internal successors, (385), 318 states have internal predecessors, (385), 162 states have call successors, (162), 31 states have call predecessors, (162), 33 states have return successors, (205), 161 states have call predecessors, (205), 160 states have call successors, (205) [2022-12-14 04:47:48,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 752 transitions. [2022-12-14 04:47:48,549 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 752 transitions. Word has length 237 [2022-12-14 04:47:48,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:47:48,549 INFO L495 AbstractCegarLoop]: Abstraction has 510 states and 752 transitions. [2022-12-14 04:47:48,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.0) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 5 states have call predecessors, (27), 6 states have call successors, (27) [2022-12-14 04:47:48,549 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 752 transitions. [2022-12-14 04:47:48,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-12-14 04:47:48,551 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:47:48,551 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:47:48,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2022-12-14 04:47:48,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2022-12-14 04:47:48,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 04:47:48,952 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:47:48,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:47:48,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1509661022, now seen corresponding path program 2 times [2022-12-14 04:47:48,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:47:48,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [9873950] [2022-12-14 04:47:48,955 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-14 04:47:48,955 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:47:48,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:47:48,956 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:47:48,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-12-14 04:47:52,516 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-14 04:47:52,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 04:47:52,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 2243 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 04:47:52,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:47:56,265 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_23| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_83| (_ BitVec 64))) (not (= (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_83|) (bvadd |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_23| (_ bv80 64))) (_ bv0 64)))) (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_23| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_83| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_83|) (bvadd |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_23| (_ bv80 64))))))) is different from true [2022-12-14 04:47:58,602 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_24| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_84| (_ BitVec 64))) (not (= (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_84|) (bvadd |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_24| (_ bv80 64))) (_ bv0 64)))) (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_24| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_84| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_84|) (bvadd |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_24| (_ bv80 64))))))) is different from true [2022-12-14 04:47:59,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2022-12-14 04:47:59,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-12-14 04:47:59,465 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 4 not checked. [2022-12-14 04:47:59,466 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:48:03,487 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 04:48:03,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 29 [2022-12-14 04:48:03,596 INFO L321 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2022-12-14 04:48:03,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2022-12-14 04:48:03,857 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2022-12-14 04:48:03,857 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:48:03,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [9873950] [2022-12-14 04:48:03,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [9873950] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:48:03,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [63433421] [2022-12-14 04:48:03,857 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-14 04:48:03,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 04:48:03,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 04:48:03,858 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 04:48:03,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2022-12-14 04:48:12,810 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-14 04:48:12,810 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 04:48:12,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 2243 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-14 04:48:12,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:48:14,507 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2022-12-14 04:48:14,508 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:48:14,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [63433421] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:48:14,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 04:48:14,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [12, 10] total 22 [2022-12-14 04:48:14,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412518321] [2022-12-14 04:48:14,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:48:14,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 04:48:14,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:48:14,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 04:48:14,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=338, Unknown=2, NotChecked=74, Total=462 [2022-12-14 04:48:14,512 INFO L87 Difference]: Start difference. First operand 510 states and 752 transitions. Second operand has 10 states, 10 states have (on average 8.6) internal successors, (86), 9 states have internal predecessors, (86), 7 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2022-12-14 04:48:18,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:48:21,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:48:21,640 INFO L93 Difference]: Finished difference Result 944 states and 1417 transitions. [2022-12-14 04:48:21,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 04:48:21,641 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 9 states have internal predecessors, (86), 7 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) Word has length 252 [2022-12-14 04:48:21,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:48:21,644 INFO L225 Difference]: With dead ends: 944 [2022-12-14 04:48:21,645 INFO L226 Difference]: Without dead ends: 524 [2022-12-14 04:48:21,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 758 GetRequests, 732 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=64, Invalid=494, Unknown=2, NotChecked=90, Total=650 [2022-12-14 04:48:21,647 INFO L413 NwaCegarLoop]: 550 mSDtfsCounter, 106 mSDsluCounter, 4152 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 33 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 4702 SdHoareTripleChecker+Invalid, 808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-12-14 04:48:21,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 4702 Invalid, 808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 774 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2022-12-14 04:48:21,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2022-12-14 04:48:21,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 522. [2022-12-14 04:48:21,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 319 states have (on average 1.2288401253918495) internal successors, (392), 324 states have internal predecessors, (392), 167 states have call successors, (167), 32 states have call predecessors, (167), 34 states have return successors, (210), 166 states have call predecessors, (210), 165 states have call successors, (210) [2022-12-14 04:48:21,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 769 transitions. [2022-12-14 04:48:21,669 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 769 transitions. Word has length 252 [2022-12-14 04:48:21,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:48:21,670 INFO L495 AbstractCegarLoop]: Abstraction has 522 states and 769 transitions. [2022-12-14 04:48:21,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 9 states have internal predecessors, (86), 7 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2022-12-14 04:48:21,670 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 769 transitions. [2022-12-14 04:48:21,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-12-14 04:48:21,672 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:48:21,672 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-12-14 04:48:21,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2022-12-14 04:48:21,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2022-12-14 04:48:22,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 04:48:22,073 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:48:22,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:48:22,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1303062322, now seen corresponding path program 1 times [2022-12-14 04:48:22,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:48:22,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [303411849] [2022-12-14 04:48:22,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:48:22,077 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:48:22,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:48:22,078 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:48:22,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2022-12-14 04:48:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:48:24,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 2467 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 04:48:24,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:48:27,969 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_28| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_97| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_97|) (bvadd |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_28| (_ bv80 64)))))) (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_28| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_97| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_97|) (bvadd |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_28| (_ bv80 64))))))) is different from true [2022-12-14 04:48:30,312 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_29| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_98| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_98|) (bvadd |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_29| (_ bv80 64)))))) (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_29| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_98| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_98|) (bvadd |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_29| (_ bv80 64))))))) is different from true [2022-12-14 04:48:31,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2022-12-14 04:48:31,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-12-14 04:48:31,168 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 4 not checked. [2022-12-14 04:48:31,168 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:48:35,208 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 04:48:35,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 29 [2022-12-14 04:48:35,309 INFO L321 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2022-12-14 04:48:35,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2022-12-14 04:48:35,561 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2022-12-14 04:48:35,561 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:48:35,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [303411849] [2022-12-14 04:48:35,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [303411849] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:48:35,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [379792477] [2022-12-14 04:48:35,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:48:35,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 04:48:35,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 04:48:35,563 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 04:48:35,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2022-12-14 04:48:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:48:40,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 2467 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-14 04:48:40,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:48:43,730 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-12-14 04:48:43,730 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:48:43,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [379792477] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:48:43,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 04:48:43,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [12, 10] total 22 [2022-12-14 04:48:43,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655922928] [2022-12-14 04:48:43,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:48:43,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 04:48:43,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:48:43,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 04:48:43,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=333, Unknown=2, NotChecked=74, Total=462 [2022-12-14 04:48:43,733 INFO L87 Difference]: Start difference. First operand 522 states and 769 transitions. Second operand has 12 states, 11 states have (on average 10.090909090909092) internal successors, (111), 12 states have internal predecessors, (111), 7 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 7 states have call predecessors, (30), 7 states have call successors, (30) [2022-12-14 04:48:52,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:49:01,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:49:01,227 INFO L93 Difference]: Finished difference Result 1064 states and 1659 transitions. [2022-12-14 04:49:01,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 04:49:01,232 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.090909090909092) internal successors, (111), 12 states have internal predecessors, (111), 7 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 7 states have call predecessors, (30), 7 states have call successors, (30) Word has length 282 [2022-12-14 04:49:01,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:49:01,235 INFO L225 Difference]: With dead ends: 1064 [2022-12-14 04:49:01,235 INFO L226 Difference]: Without dead ends: 578 [2022-12-14 04:49:01,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 851 GetRequests, 823 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=90, Invalid=566, Unknown=2, NotChecked=98, Total=756 [2022-12-14 04:49:01,239 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 102 mSDsluCounter, 4183 mSDsCounter, 0 mSdLazyCounter, 1179 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 4755 SdHoareTripleChecker+Invalid, 1187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1179 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2022-12-14 04:49:01,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 4755 Invalid, 1187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1179 Invalid, 1 Unknown, 0 Unchecked, 15.6s Time] [2022-12-14 04:49:01,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2022-12-14 04:49:01,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 544. [2022-12-14 04:49:01,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 339 states have (on average 1.233038348082596) internal successors, (418), 344 states have internal predecessors, (418), 167 states have call successors, (167), 32 states have call predecessors, (167), 36 states have return successors, (229), 168 states have call predecessors, (229), 165 states have call successors, (229) [2022-12-14 04:49:01,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 814 transitions. [2022-12-14 04:49:01,268 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 814 transitions. Word has length 282 [2022-12-14 04:49:01,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:49:01,268 INFO L495 AbstractCegarLoop]: Abstraction has 544 states and 814 transitions. [2022-12-14 04:49:01,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.090909090909092) internal successors, (111), 12 states have internal predecessors, (111), 7 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 7 states have call predecessors, (30), 7 states have call successors, (30) [2022-12-14 04:49:01,268 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 814 transitions. [2022-12-14 04:49:01,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-12-14 04:49:01,269 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:49:01,270 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:49:01,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2022-12-14 04:49:01,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2022-12-14 04:49:01,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:49:01,672 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:49:01,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:49:01,674 INFO L85 PathProgramCache]: Analyzing trace with hash -799671122, now seen corresponding path program 1 times [2022-12-14 04:49:01,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:49:01,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [448791866] [2022-12-14 04:49:01,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:49:01,678 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:49:01,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:49:01,679 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:49:01,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2022-12-14 04:49:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:49:03,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 2461 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 04:49:03,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:49:03,770 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2022-12-14 04:49:03,770 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:49:03,770 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:49:03,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [448791866] [2022-12-14 04:49:03,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [448791866] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:49:03,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:49:03,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:49:03,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612781289] [2022-12-14 04:49:03,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:49:03,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:49:03,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:49:03,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:49:03,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:49:03,772 INFO L87 Difference]: Start difference. First operand 544 states and 814 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-14 04:49:03,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:49:03,931 INFO L93 Difference]: Finished difference Result 1052 states and 1663 transitions. [2022-12-14 04:49:03,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:49:03,934 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 282 [2022-12-14 04:49:03,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:49:03,937 INFO L225 Difference]: With dead ends: 1052 [2022-12-14 04:49:03,937 INFO L226 Difference]: Without dead ends: 544 [2022-12-14 04:49:03,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:49:03,940 INFO L413 NwaCegarLoop]: 615 mSDtfsCounter, 7 mSDsluCounter, 1210 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1825 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 04:49:03,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1825 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 04:49:03,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2022-12-14 04:49:03,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 544. [2022-12-14 04:49:03,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 339 states have (on average 1.2271386430678466) internal successors, (416), 344 states have internal predecessors, (416), 167 states have call successors, (167), 32 states have call predecessors, (167), 36 states have return successors, (229), 168 states have call predecessors, (229), 165 states have call successors, (229) [2022-12-14 04:49:03,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 812 transitions. [2022-12-14 04:49:03,962 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 812 transitions. Word has length 282 [2022-12-14 04:49:03,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:49:03,962 INFO L495 AbstractCegarLoop]: Abstraction has 544 states and 812 transitions. [2022-12-14 04:49:03,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-14 04:49:03,962 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 812 transitions. [2022-12-14 04:49:03,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-12-14 04:49:03,964 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:49:03,964 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:49:04,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2022-12-14 04:49:04,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:49:04,165 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:49:04,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:49:04,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1086876966, now seen corresponding path program 1 times [2022-12-14 04:49:04,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:49:04,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [782341056] [2022-12-14 04:49:04,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:49:04,170 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:49:04,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:49:04,171 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:49:04,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2022-12-14 04:49:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:49:06,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 2475 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 04:49:06,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:49:09,827 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_39| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_102| (_ BitVec 64))) (not (= (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_102|) (bvadd |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_39| (_ bv80 64))) (_ bv0 64)))) (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_39| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_102| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_102|) (bvadd |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_39| (_ bv80 64))))))) is different from true [2022-12-14 04:49:12,173 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_103| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_40| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_103|) (bvadd |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_40| (_ bv80 64)))))) (exists ((|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_103| (_ BitVec 64)) (|v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_40| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.base_BEFORE_CALL_103|) (bvadd |v_ULTIMATE.start_aws_priority_queue_pop_harness_~#queue~0#1.offset_BEFORE_CALL_40| (_ bv80 64))))))) is different from true [2022-12-14 04:49:12,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2022-12-14 04:49:12,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-12-14 04:49:13,044 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 4 not checked. [2022-12-14 04:49:13,044 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:49:17,196 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 04:49:17,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 29 [2022-12-14 04:49:17,305 INFO L321 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2022-12-14 04:49:17,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2022-12-14 04:49:17,550 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2022-12-14 04:49:17,550 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:49:17,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [782341056] [2022-12-14 04:49:17,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [782341056] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:49:17,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1955708835] [2022-12-14 04:49:17,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:49:17,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 04:49:17,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 04:49:17,551 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 04:49:17,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2022-12-14 04:49:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:49:30,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 2475 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-14 04:49:30,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:49:33,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2022-12-14 04:49:33,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-12-14 04:49:33,387 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-12-14 04:49:33,387 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:49:33,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1955708835] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:49:33,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 04:49:33,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [12, 10] total 17 [2022-12-14 04:49:33,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979583935] [2022-12-14 04:49:33,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:49:33,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 04:49:33,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:49:33,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 04:49:33,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=177, Unknown=2, NotChecked=54, Total=272 [2022-12-14 04:49:33,390 INFO L87 Difference]: Start difference. First operand 544 states and 812 transitions. Second operand has 12 states, 12 states have (on average 10.25) internal successors, (123), 12 states have internal predecessors, (123), 7 states have call successors, (31), 3 states have call predecessors, (31), 4 states have return successors, (29), 7 states have call predecessors, (29), 7 states have call successors, (29) [2022-12-14 04:49:35,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:49:37,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:49:39,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:49:42,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:49:45,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:49:50,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:49:52,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:49:54,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:49:57,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:49:59,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:50:02,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:50:05,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:50:07,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:50:09,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:50:12,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:50:15,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:50:18,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:50:20,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:50:23,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:50:25,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:50:27,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:50:30,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:50:30,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:50:30,013 INFO L93 Difference]: Finished difference Result 1056 states and 1619 transitions. [2022-12-14 04:50:30,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 04:50:30,019 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.25) internal successors, (123), 12 states have internal predecessors, (123), 7 states have call successors, (31), 3 states have call predecessors, (31), 4 states have return successors, (29), 7 states have call predecessors, (29), 7 states have call successors, (29) Word has length 286 [2022-12-14 04:50:30,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:50:30,022 INFO L225 Difference]: With dead ends: 1056 [2022-12-14 04:50:30,022 INFO L226 Difference]: Without dead ends: 591 [2022-12-14 04:50:30,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 862 GetRequests, 835 SyntacticMatches, 5 SemanticMatches, 22 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=93, Invalid=375, Unknown=2, NotChecked=82, Total=552 [2022-12-14 04:50:30,024 INFO L413 NwaCegarLoop]: 592 mSDtfsCounter, 83 mSDsluCounter, 4897 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 10 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 5489 SdHoareTripleChecker+Invalid, 946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.7s IncrementalHoareTripleChecker+Time [2022-12-14 04:50:30,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 5489 Invalid, 946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 914 Invalid, 22 Unknown, 0 Unchecked, 54.7s Time] [2022-12-14 04:50:30,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2022-12-14 04:50:30,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 571. [2022-12-14 04:50:30,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 357 states have (on average 1.2212885154061626) internal successors, (436), 363 states have internal predecessors, (436), 171 states have call successors, (171), 36 states have call predecessors, (171), 41 states have return successors, (234), 172 states have call predecessors, (234), 169 states have call successors, (234) [2022-12-14 04:50:30,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 841 transitions. [2022-12-14 04:50:30,047 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 841 transitions. Word has length 286 [2022-12-14 04:50:30,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:50:30,047 INFO L495 AbstractCegarLoop]: Abstraction has 571 states and 841 transitions. [2022-12-14 04:50:30,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.25) internal successors, (123), 12 states have internal predecessors, (123), 7 states have call successors, (31), 3 states have call predecessors, (31), 4 states have return successors, (29), 7 states have call predecessors, (29), 7 states have call successors, (29) [2022-12-14 04:50:30,048 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 841 transitions. [2022-12-14 04:50:30,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2022-12-14 04:50:30,049 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:50:30,049 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 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, 1, 1, 1, 1, 1, 1] [2022-12-14 04:50:30,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Ended with exit code 0 [2022-12-14 04:50:30,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2022-12-14 04:50:30,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 04:50:30,451 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:50:30,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:50:30,453 INFO L85 PathProgramCache]: Analyzing trace with hash -98388864, now seen corresponding path program 1 times [2022-12-14 04:50:30,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:50:30,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [86587205] [2022-12-14 04:50:30,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:50:30,461 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:50:30,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:50:30,464 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:50:30,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2022-12-14 04:50:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:50:32,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 2489 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 04:50:32,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:50:32,736 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2022-12-14 04:50:32,736 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:50:32,736 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:50:32,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [86587205] [2022-12-14 04:50:32,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [86587205] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:50:32,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:50:32,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:50:32,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727859292] [2022-12-14 04:50:32,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:50:32,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:50:32,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:50:32,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:50:32,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:50:32,738 INFO L87 Difference]: Start difference. First operand 571 states and 841 transitions. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-14 04:50:33,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:50:33,003 INFO L93 Difference]: Finished difference Result 1074 states and 1644 transitions. [2022-12-14 04:50:33,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:50:33,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 291 [2022-12-14 04:50:33,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:50:33,008 INFO L225 Difference]: With dead ends: 1074 [2022-12-14 04:50:33,009 INFO L226 Difference]: Without dead ends: 576 [2022-12-14 04:50:33,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:50:33,011 INFO L413 NwaCegarLoop]: 604 mSDtfsCounter, 7 mSDsluCounter, 1199 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1803 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 04:50:33,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1803 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 04:50:33,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2022-12-14 04:50:33,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 572. [2022-12-14 04:50:33,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 572 states, 358 states have (on average 1.2206703910614525) internal successors, (437), 364 states have internal predecessors, (437), 171 states have call successors, (171), 36 states have call predecessors, (171), 41 states have return successors, (234), 172 states have call predecessors, (234), 169 states have call successors, (234) [2022-12-14 04:50:33,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 842 transitions. [2022-12-14 04:50:33,031 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 842 transitions. Word has length 291 [2022-12-14 04:50:33,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:50:33,031 INFO L495 AbstractCegarLoop]: Abstraction has 572 states and 842 transitions. [2022-12-14 04:50:33,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-14 04:50:33,031 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 842 transitions. [2022-12-14 04:50:33,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2022-12-14 04:50:33,032 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:50:33,033 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 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, 1, 1, 1, 1, 1, 1] [2022-12-14 04:50:33,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Ended with exit code 0 [2022-12-14 04:50:33,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:50:33,235 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:50:33,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:50:33,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1671550249, now seen corresponding path program 1 times [2022-12-14 04:50:33,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:50:33,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [228048104] [2022-12-14 04:50:33,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:50:33,244 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:50:33,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:50:33,247 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:50:33,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2022-12-14 04:50:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:50:35,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 2491 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 04:50:35,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:50:35,937 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 277 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-12-14 04:50:35,937 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:50:35,937 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:50:35,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [228048104] [2022-12-14 04:50:35,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [228048104] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:50:35,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:50:35,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 04:50:35,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419201133] [2022-12-14 04:50:35,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:50:35,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 04:50:35,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:50:35,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 04:50:35,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-12-14 04:50:35,939 INFO L87 Difference]: Start difference. First operand 572 states and 842 transitions. Second operand has 10 states, 9 states have (on average 13.777777777777779) internal successors, (124), 8 states have internal predecessors, (124), 3 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) [2022-12-14 04:50:38,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:50:38,969 INFO L93 Difference]: Finished difference Result 1082 states and 1645 transitions. [2022-12-14 04:50:38,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 04:50:38,970 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.777777777777779) internal successors, (124), 8 states have internal predecessors, (124), 3 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) Word has length 291 [2022-12-14 04:50:38,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:50:38,974 INFO L225 Difference]: With dead ends: 1082 [2022-12-14 04:50:38,975 INFO L226 Difference]: Without dead ends: 586 [2022-12-14 04:50:38,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-12-14 04:50:38,979 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 5 mSDsluCounter, 4578 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 5167 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-14 04:50:38,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 5167 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-14 04:50:38,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2022-12-14 04:50:39,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 579. [2022-12-14 04:50:39,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 363 states have (on average 1.2176308539944904) internal successors, (442), 370 states have internal predecessors, (442), 171 states have call successors, (171), 36 states have call predecessors, (171), 43 states have return successors, (253), 173 states have call predecessors, (253), 169 states have call successors, (253) [2022-12-14 04:50:39,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 866 transitions. [2022-12-14 04:50:39,012 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 866 transitions. Word has length 291 [2022-12-14 04:50:39,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:50:39,012 INFO L495 AbstractCegarLoop]: Abstraction has 579 states and 866 transitions. [2022-12-14 04:50:39,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.777777777777779) internal successors, (124), 8 states have internal predecessors, (124), 3 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) [2022-12-14 04:50:39,013 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 866 transitions. [2022-12-14 04:50:39,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-12-14 04:50:39,014 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:50:39,014 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:50:39,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Ended with exit code 0 [2022-12-14 04:50:39,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:50:39,215 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:50:39,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:50:39,216 INFO L85 PathProgramCache]: Analyzing trace with hash -2082220468, now seen corresponding path program 1 times [2022-12-14 04:50:39,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:50:39,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1556247329] [2022-12-14 04:50:39,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:50:39,220 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:50:39,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:50:39,221 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:50:39,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd2e927-092c-4745-8b16-bcaf6eb7a577/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process