./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur --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 d8b9169d0d63d8238da177db4999afabb0efa6e97e1e7cd257e8474f76788f17 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:59:59,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:59:59,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:59:59,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:59:59,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:59:59,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:59:59,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:59:59,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:59:59,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:59:59,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:59:59,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:59:59,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:59:59,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:59:59,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:59:59,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:59:59,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:59:59,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:59:59,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:59:59,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:59:59,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:59:59,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:59:59,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:59:59,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:59:59,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:59:59,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:59:59,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:59:59,670 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:59:59,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:59:59,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:59:59,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:59:59,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:59:59,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:59:59,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:59:59,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:59:59,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:59:59,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:59:59,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:59:59,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:59:59,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:59:59,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:59:59,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:59:59,703 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:59:59,753 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:59:59,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:59:59,754 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:59:59,754 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:59:59,754 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:59:59,755 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:59:59,755 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:59:59,755 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:59:59,755 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:59:59,755 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:59:59,755 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:59:59,756 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:59:59,756 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:59:59,756 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:59:59,756 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:59:59,756 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:59:59,757 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:59:59,757 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:59:59,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:59:59,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:59:59,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:59:59,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:59:59,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:59:59,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:59:59,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:59:59,759 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:59:59,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:59:59,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:59:59,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:59:59,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:59:59,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:59:59,760 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:59:59,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:59:59,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:59:59,760 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:59:59,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:59:59,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:59:59,761 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:59:59,761 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_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8b9169d0d63d8238da177db4999afabb0efa6e97e1e7cd257e8474f76788f17 [2022-11-26 01:00:00,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:00:00,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:00:00,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:00:00,136 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:00:00,137 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:00:00,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i [2022-11-26 01:00:03,057 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:00:03,693 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:00:03,694 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i [2022-11-26 01:00:03,738 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/data/e1cadc475/2d348948f5ac4e7784ba7fabddcc175f/FLAGdeb801d58 [2022-11-26 01:00:03,755 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/data/e1cadc475/2d348948f5ac4e7784ba7fabddcc175f [2022-11-26 01:00:03,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:00:03,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:00:03,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:00:03,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:00:03,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:00:03,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:00:03" (1/1) ... [2022-11-26 01:00:03,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7577c5ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:03, skipping insertion in model container [2022-11-26 01:00:03,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:00:03" (1/1) ... [2022-11-26 01:00:03,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:00:03,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:00:04,181 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_ada0d9d0-1f09-4247-91e9-0234965fc7ac/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4497,4510] [2022-11-26 01:00:04,190 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_ada0d9d0-1f09-4247-91e9-0234965fc7ac/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4557,4570] [2022-11-26 01:00:05,164 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 01:00:05,170 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:05,171 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:05,172 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:05,173 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:05,174 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:05,177 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 01:00:05,190 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:05,190 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 01:00:05,191 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:05,193 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:05,194 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:05,196 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:05,197 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 01:00:05,197 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:05,198 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:05,199 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:05,293 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 01:00:05,293 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 01:00:05,295 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 01:00:05,300 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-26 01:00:05,302 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-26 01:00:05,303 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-26 01:00:05,679 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 01:00:05,681 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-26 01:00:05,682 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-26 01:00:05,683 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-26 01:00:05,685 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-26 01:00:05,686 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-26 01:00:05,687 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-26 01:00:05,688 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-26 01:00:05,688 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-26 01:00:05,689 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-26 01:00:05,690 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-26 01:00:05,860 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-26 01:00:05,910 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:05,912 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 01:00:05,915 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 01:00:05,916 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 01:00:05,918 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:05,920 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 01:00:05,924 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 01:00:05,925 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 01:00:05,925 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 01:00:05,926 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 01:00:05,926 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 01:00:05,927 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 01:00:05,979 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-26 01:00:05,999 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,001 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,028 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,029 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,029 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,030 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,030 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,030 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 01:00:06,031 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,031 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,032 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,032 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,032 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,033 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,049 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,049 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,050 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,050 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,053 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,054 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,062 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,075 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,075 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:00:06,149 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 01:00:06,180 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_ada0d9d0-1f09-4247-91e9-0234965fc7ac/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4497,4510] [2022-11-26 01:00:06,181 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_ada0d9d0-1f09-4247-91e9-0234965fc7ac/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4557,4570] [2022-11-26 01:00:06,244 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 01:00:06,247 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,249 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,250 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,251 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,251 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,252 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 01:00:06,258 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,264 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 01:00:06,265 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,266 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,267 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,269 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,269 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 01:00:06,270 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,271 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,271 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,281 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 01:00:06,283 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 01:00:06,284 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 01:00:06,288 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-26 01:00:06,290 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-26 01:00:06,291 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-26 01:00:06,323 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 01:00:06,324 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-26 01:00:06,325 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-26 01:00:06,326 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-26 01:00:06,327 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-26 01:00:06,328 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-26 01:00:06,328 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-26 01:00:06,329 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-26 01:00:06,329 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-26 01:00:06,330 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-26 01:00:06,331 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-26 01:00:06,371 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-26 01:00:06,384 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,385 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 01:00:06,387 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 01:00:06,388 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 01:00:06,389 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,390 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 01:00:06,391 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 01:00:06,391 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 01:00:06,392 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 01:00:06,392 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 01:00:06,393 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 01:00:06,393 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 01:00:06,409 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-26 01:00:06,413 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,413 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,414 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,414 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,414 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,415 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,415 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,416 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 01:00:06,416 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,417 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,417 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,417 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,417 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,418 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,418 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,419 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,419 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,420 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,422 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,423 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,431 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,434 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,435 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:00:06,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:00:06,710 INFO L208 MainTranslator]: Completed translation [2022-11-26 01:00:06,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:06 WrapperNode [2022-11-26 01:00:06,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:00:06,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 01:00:06,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 01:00:06,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 01:00:06,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:06" (1/1) ... [2022-11-26 01:00:06,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:06" (1/1) ... [2022-11-26 01:00:06,968 INFO L138 Inliner]: procedures = 697, calls = 1878, calls flagged for inlining = 60, calls inlined = 19, statements flattened = 1162 [2022-11-26 01:00:06,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 01:00:06,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 01:00:06,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 01:00:06,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 01:00:06,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:06" (1/1) ... [2022-11-26 01:00:06,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:06" (1/1) ... [2022-11-26 01:00:06,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:06" (1/1) ... [2022-11-26 01:00:06,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:06" (1/1) ... [2022-11-26 01:00:07,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:06" (1/1) ... [2022-11-26 01:00:07,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:06" (1/1) ... [2022-11-26 01:00:07,099 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:06" (1/1) ... [2022-11-26 01:00:07,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:06" (1/1) ... [2022-11-26 01:00:07,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 01:00:07,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 01:00:07,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 01:00:07,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 01:00:07,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:06" (1/1) ... [2022-11-26 01:00:07,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:00:07,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:00:07,175 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 01:00:07,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 01:00:07,220 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2022-11-26 01:00:07,220 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2022-11-26 01:00:07,221 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2022-11-26 01:00:07,221 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2022-11-26 01:00:07,221 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-11-26 01:00:07,221 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-11-26 01:00:07,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 01:00:07,222 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-26 01:00:07,222 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-26 01:00:07,222 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-26 01:00:07,222 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-26 01:00:07,222 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-26 01:00:07,223 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-26 01:00:07,223 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-11-26 01:00:07,223 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-11-26 01:00:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2022-11-26 01:00:07,224 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2022-11-26 01:00:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 01:00:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-26 01:00:07,224 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-26 01:00:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 01:00:07,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 01:00:07,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 01:00:07,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 01:00:07,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 01:00:07,225 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2022-11-26 01:00:07,225 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2022-11-26 01:00:07,225 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-26 01:00:07,225 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-26 01:00:07,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 01:00:07,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 01:00:07,226 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-26 01:00:07,226 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-26 01:00:07,226 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-26 01:00:07,226 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-26 01:00:07,226 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-26 01:00:07,227 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-26 01:00:07,227 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-11-26 01:00:07,228 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-11-26 01:00:07,228 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-11-26 01:00:07,229 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-11-26 01:00:07,229 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-26 01:00:07,230 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-26 01:00:07,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 01:00:07,230 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 01:00:07,230 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-26 01:00:07,230 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-26 01:00:07,230 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-26 01:00:07,230 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-26 01:00:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2022-11-26 01:00:07,231 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2022-11-26 01:00:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-11-26 01:00:07,231 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-11-26 01:00:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 01:00:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-11-26 01:00:07,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-11-26 01:00:07,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 01:00:07,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 01:00:07,233 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2022-11-26 01:00:07,233 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2022-11-26 01:00:07,233 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-26 01:00:07,233 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-26 01:00:07,233 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-26 01:00:07,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-26 01:00:07,233 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-11-26 01:00:07,234 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-11-26 01:00:07,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 01:00:07,234 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-26 01:00:07,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-26 01:00:07,234 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2022-11-26 01:00:07,234 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2022-11-26 01:00:07,234 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2022-11-26 01:00:07,235 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2022-11-26 01:00:07,235 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-26 01:00:07,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-26 01:00:07,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 01:00:07,733 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 01:00:07,735 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 01:00:09,350 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 01:00:09,663 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 01:00:09,663 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-26 01:00:09,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:00:09 BoogieIcfgContainer [2022-11-26 01:00:09,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 01:00:09,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 01:00:09,672 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 01:00:09,675 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 01:00:09,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:00:03" (1/3) ... [2022-11-26 01:00:09,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3731f22a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:00:09, skipping insertion in model container [2022-11-26 01:00:09,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:06" (2/3) ... [2022-11-26 01:00:09,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3731f22a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:00:09, skipping insertion in model container [2022-11-26 01:00:09,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:00:09" (3/3) ... [2022-11-26 01:00:09,680 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_harness.i [2022-11-26 01:00:09,699 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 01:00:09,700 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-26 01:00:09,780 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 01:00:09,792 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;@4778a999, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 01:00:09,793 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-26 01:00:09,800 INFO L276 IsEmpty]: Start isEmpty. Operand has 463 states, 233 states have (on average 1.201716738197425) internal successors, (280), 236 states have internal predecessors, (280), 196 states have call successors, (196), 32 states have call predecessors, (196), 32 states have return successors, (196), 196 states have call predecessors, (196), 196 states have call successors, (196) [2022-11-26 01:00:09,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-26 01:00:09,813 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:00:09,814 INFO L195 NwaCegarLoop]: trace histogram [13, 3, 3, 3, 3, 3, 3, 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] [2022-11-26 01:00:09,815 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:00:09,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:00:09,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1023529960, now seen corresponding path program 1 times [2022-11-26 01:00:09,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:00:09,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553911030] [2022-11-26 01:00:09,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:00:09,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:00:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:00:11,122 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2022-11-26 01:00:11,123 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:00:11,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553911030] [2022-11-26 01:00:11,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553911030] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:00:11,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162221806] [2022-11-26 01:00:11,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:00:11,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:00:11,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:00:11,130 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:00:11,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 01:00:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:00:11,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 2394 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 01:00:11,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:00:12,029 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-26 01:00:12,029 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:00:12,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162221806] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:00:12,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 01:00:12,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-26 01:00:12,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442150642] [2022-11-26 01:00:12,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:00:12,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:00:12,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:00:12,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:00:12,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:00:12,087 INFO L87 Difference]: Start difference. First operand has 463 states, 233 states have (on average 1.201716738197425) internal successors, (280), 236 states have internal predecessors, (280), 196 states have call successors, (196), 32 states have call predecessors, (196), 32 states have return successors, (196), 196 states have call predecessors, (196), 196 states have call successors, (196) Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-26 01:00:12,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:00:12,967 INFO L93 Difference]: Finished difference Result 899 states and 1372 transitions. [2022-11-26 01:00:12,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 01:00:12,969 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 125 [2022-11-26 01:00:12,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:00:12,987 INFO L225 Difference]: With dead ends: 899 [2022-11-26 01:00:12,987 INFO L226 Difference]: Without dead ends: 462 [2022-11-26 01:00:12,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-26 01:00:12,998 INFO L413 NwaCegarLoop]: 601 mSDtfsCounter, 54 mSDsluCounter, 1690 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 2291 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-26 01:00:12,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 2291 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-26 01:00:13,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2022-11-26 01:00:13,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 462. [2022-11-26 01:00:13,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 232 states have (on average 1.1896551724137931) internal successors, (276), 235 states have internal predecessors, (276), 196 states have call successors, (196), 32 states have call predecessors, (196), 32 states have return successors, (204), 194 states have call predecessors, (204), 194 states have call successors, (204) [2022-11-26 01:00:13,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 676 transitions. [2022-11-26 01:00:13,091 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 676 transitions. Word has length 125 [2022-11-26 01:00:13,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:00:13,092 INFO L495 AbstractCegarLoop]: Abstraction has 462 states and 676 transitions. [2022-11-26 01:00:13,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-26 01:00:13,092 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 676 transitions. [2022-11-26 01:00:13,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-26 01:00:13,108 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:00:13,108 INFO L195 NwaCegarLoop]: trace histogram [13, 4, 4, 4, 3, 3, 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] [2022-11-26 01:00:13,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 01:00:13,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:00:13,319 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:00:13,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:00:13,320 INFO L85 PathProgramCache]: Analyzing trace with hash -665865209, now seen corresponding path program 1 times [2022-11-26 01:00:13,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:00:13,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002714562] [2022-11-26 01:00:13,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:00:13,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:00:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:00:14,167 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2022-11-26 01:00:14,167 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:00:14,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002714562] [2022-11-26 01:00:14,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002714562] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:00:14,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429747083] [2022-11-26 01:00:14,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:00:14,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:00:14,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:00:14,171 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:00:14,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 01:00:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:00:14,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 2444 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 01:00:14,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:00:14,956 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-26 01:00:14,957 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:00:14,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429747083] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:00:14,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 01:00:14,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-26 01:00:14,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775567640] [2022-11-26 01:00:14,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:00:14,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-26 01:00:14,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:00:14,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-26 01:00:14,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-11-26 01:00:14,960 INFO L87 Difference]: Start difference. First operand 462 states and 676 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-11-26 01:00:16,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:00:16,254 INFO L93 Difference]: Finished difference Result 909 states and 1372 transitions. [2022-11-26 01:00:16,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:00:16,255 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 133 [2022-11-26 01:00:16,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:00:16,260 INFO L225 Difference]: With dead ends: 909 [2022-11-26 01:00:16,260 INFO L226 Difference]: Without dead ends: 475 [2022-11-26 01:00:16,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-11-26 01:00:16,263 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 73 mSDsluCounter, 2662 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 3230 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:00:16,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 3230 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-26 01:00:16,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2022-11-26 01:00:16,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 473. [2022-11-26 01:00:16,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 198 states have call successors, (198), 32 states have call predecessors, (198), 33 states have return successors, (238), 197 states have call predecessors, (238), 196 states have call successors, (238) [2022-11-26 01:00:16,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 722 transitions. [2022-11-26 01:00:16,309 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 722 transitions. Word has length 133 [2022-11-26 01:00:16,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:00:16,310 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 722 transitions. [2022-11-26 01:00:16,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-11-26 01:00:16,311 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 722 transitions. [2022-11-26 01:00:16,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-26 01:00:16,313 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:00:16,313 INFO L195 NwaCegarLoop]: trace histogram [13, 4, 4, 3, 3, 3, 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] [2022-11-26 01:00:16,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 01:00:16,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-26 01:00:16,523 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:00:16,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:00:16,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1929464334, now seen corresponding path program 1 times [2022-11-26 01:00:16,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:00:16,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817252880] [2022-11-26 01:00:16,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:00:16,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:00:16,636 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 01:00:16,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1394414931] [2022-11-26 01:00:16,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:00:16,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:00:16,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:00:16,641 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:00:16,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 01:00:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:00:17,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 2576 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 01:00:17,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:00:17,429 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-26 01:00:17,429 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:00:17,433 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:00:17,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817252880] [2022-11-26 01:00:17,433 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 01:00:17,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394414931] [2022-11-26 01:00:17,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394414931] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:00:17,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:00:17,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 01:00:17,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649999777] [2022-11-26 01:00:17,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:00:17,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 01:00:17,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:00:17,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 01:00:17,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 01:00:17,438 INFO L87 Difference]: Start difference. First operand 473 states and 722 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2022-11-26 01:00:18,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:00:18,208 INFO L93 Difference]: Finished difference Result 926 states and 1442 transitions. [2022-11-26 01:00:18,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:00:18,208 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 142 [2022-11-26 01:00:18,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:00:18,213 INFO L225 Difference]: With dead ends: 926 [2022-11-26 01:00:18,214 INFO L226 Difference]: Without dead ends: 481 [2022-11-26 01:00:18,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-26 01:00:18,217 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 65 mSDsluCounter, 2253 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 2852 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-26 01:00:18,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 2852 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-26 01:00:18,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2022-11-26 01:00:18,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 473. [2022-11-26 01:00:18,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 198 states have call successors, (198), 32 states have call predecessors, (198), 33 states have return successors, (238), 197 states have call predecessors, (238), 196 states have call successors, (238) [2022-11-26 01:00:18,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 722 transitions. [2022-11-26 01:00:18,258 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 722 transitions. Word has length 142 [2022-11-26 01:00:18,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:00:18,259 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 722 transitions. [2022-11-26 01:00:18,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2022-11-26 01:00:18,259 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 722 transitions. [2022-11-26 01:00:18,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-11-26 01:00:18,261 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:00:18,262 INFO L195 NwaCegarLoop]: trace histogram [13, 5, 5, 4, 3, 3, 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] [2022-11-26 01:00:18,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 01:00:18,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:00:18,472 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:00:18,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:00:18,472 INFO L85 PathProgramCache]: Analyzing trace with hash 2037994758, now seen corresponding path program 1 times [2022-11-26 01:00:18,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:00:18,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843738782] [2022-11-26 01:00:18,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:00:18,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:00:18,575 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 01:00:18,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [974240835] [2022-11-26 01:00:18,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:00:18,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:00:18,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:00:18,577 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:00:18,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 01:00:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:00:19,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 2630 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-26 01:00:19,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:00:19,360 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2022-11-26 01:00:19,361 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:00:19,361 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:00:19,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843738782] [2022-11-26 01:00:19,361 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 01:00:19,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974240835] [2022-11-26 01:00:19,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974240835] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:00:19,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:00:19,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 01:00:19,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754485878] [2022-11-26 01:00:19,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:00:19,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 01:00:19,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:00:19,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 01:00:19,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:00:19,363 INFO L87 Difference]: Start difference. First operand 473 states and 722 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2022-11-26 01:00:20,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:00:20,638 INFO L93 Difference]: Finished difference Result 928 states and 1437 transitions. [2022-11-26 01:00:20,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 01:00:20,639 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) Word has length 150 [2022-11-26 01:00:20,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:00:20,643 INFO L225 Difference]: With dead ends: 928 [2022-11-26 01:00:20,643 INFO L226 Difference]: Without dead ends: 483 [2022-11-26 01:00:20,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-26 01:00:20,647 INFO L413 NwaCegarLoop]: 567 mSDtfsCounter, 88 mSDsluCounter, 3192 mSDsCounter, 0 mSdLazyCounter, 847 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 3759 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:00:20,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 3759 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 847 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-26 01:00:20,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2022-11-26 01:00:20,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 473. [2022-11-26 01:00:20,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 198 states have call successors, (198), 32 states have call predecessors, (198), 33 states have return successors, (238), 197 states have call predecessors, (238), 196 states have call successors, (238) [2022-11-26 01:00:20,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 722 transitions. [2022-11-26 01:00:20,680 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 722 transitions. Word has length 150 [2022-11-26 01:00:20,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:00:20,680 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 722 transitions. [2022-11-26 01:00:20,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2022-11-26 01:00:20,681 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 722 transitions. [2022-11-26 01:00:20,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-11-26 01:00:20,683 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:00:20,683 INFO L195 NwaCegarLoop]: trace histogram [13, 5, 5, 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] [2022-11-26 01:00:20,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-26 01:00:20,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:00:20,894 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:00:20,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:00:20,894 INFO L85 PathProgramCache]: Analyzing trace with hash 191925133, now seen corresponding path program 2 times [2022-11-26 01:00:20,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:00:20,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143105073] [2022-11-26 01:00:20,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:00:20,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:00:20,987 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 01:00:20,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [847812186] [2022-11-26 01:00:20,987 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-26 01:00:20,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:00:20,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:00:20,988 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:00:21,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-26 01:00:21,705 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-26 01:00:21,705 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 01:00:21,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 1881 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-26 01:00:21,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:00:21,753 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-26 01:00:21,753 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:00:21,753 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:00:21,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143105073] [2022-11-26 01:00:21,754 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 01:00:21,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847812186] [2022-11-26 01:00:21,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847812186] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:00:21,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:00:21,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:00:21,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120229641] [2022-11-26 01:00:21,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:00:21,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:00:21,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:00:21,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:00:21,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:00:21,757 INFO L87 Difference]: Start difference. First operand 473 states and 722 transitions. Second operand has 5 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-26 01:00:22,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:00:22,768 INFO L93 Difference]: Finished difference Result 897 states and 1385 transitions. [2022-11-26 01:00:22,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 01:00:22,768 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 159 [2022-11-26 01:00:22,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:00:22,772 INFO L225 Difference]: With dead ends: 897 [2022-11-26 01:00:22,772 INFO L226 Difference]: Without dead ends: 473 [2022-11-26 01:00:22,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:00:22,776 INFO L413 NwaCegarLoop]: 574 mSDtfsCounter, 0 mSDsluCounter, 1643 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2217 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-26 01:00:22,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2217 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-26 01:00:22,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2022-11-26 01:00:22,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 473. [2022-11-26 01:00:22,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 198 states have call successors, (198), 32 states have call predecessors, (198), 33 states have return successors, (237), 197 states have call predecessors, (237), 196 states have call successors, (237) [2022-11-26 01:00:22,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 721 transitions. [2022-11-26 01:00:22,807 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 721 transitions. Word has length 159 [2022-11-26 01:00:22,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:00:22,808 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 721 transitions. [2022-11-26 01:00:22,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-26 01:00:22,808 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 721 transitions. [2022-11-26 01:00:22,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-11-26 01:00:22,811 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:00:22,811 INFO L195 NwaCegarLoop]: trace histogram [13, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:00:22,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-26 01:00:23,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:00:23,020 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:00:23,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:00:23,021 INFO L85 PathProgramCache]: Analyzing trace with hash -448639376, now seen corresponding path program 3 times [2022-11-26 01:00:23,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:00:23,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353177052] [2022-11-26 01:00:23,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:00:23,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:00:23,115 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 01:00:23,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1973716807] [2022-11-26 01:00:23,116 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-26 01:00:23,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:00:23,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:00:23,117 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:00:23,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada0d9d0-1f09-4247-91e9-0234965fc7ac/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-26 01:00:23,539 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-26 01:00:23,539 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 01:00:23,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-26 01:00:23,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:00:23,670 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 123 proven. 3 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-11-26 01:00:23,671 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:00:24,045 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2022-11-26 01:00:24,045 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:00:24,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353177052] [2022-11-26 01:00:24,045 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 01:00:24,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973716807] [2022-11-26 01:00:24,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1973716807] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:00:24,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1276648024] [2022-11-26 01:00:24,069 INFO L159 IcfgInterpreter]: Started Sifa with 91 locations of interest [2022-11-26 01:00:24,069 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 01:00:24,073 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 01:00:24,078 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 01:00:24,079 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 01:00:28,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:28,343 INFO L217 Elim1Store]: Index analysis took 450 ms [2022-11-26 01:00:45,385 WARN L233 SmtUtils]: Spent 16.97s 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) [2022-11-26 01:00:45,391 INFO L321 Elim1Store]: treesize reduction 1958, result has 47.2 percent of original size [2022-11-26 01:00:45,396 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 [2022-11-26 01:00:48,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:49,089 INFO L217 Elim1Store]: Index analysis took 776 ms [2022-11-26 01:01:17,598 WARN L233 SmtUtils]: Spent 28.45s 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) [2022-11-26 01:01:17,602 INFO L321 Elim1Store]: treesize reduction 3510, result has 33.3 percent of original size [2022-11-26 01:01:17,607 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 [2022-11-26 01:02:47,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:47,531 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 [2022-11-26 01:02:47,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:47,539 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 [2022-11-26 01:02:47,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:47,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:47,550 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 [2022-11-26 01:02:47,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 01:02:51,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:51,394 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 [2022-11-26 01:02:51,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:51,985 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 [2022-11-26 01:02:52,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,512 INFO L217 Elim1Store]: Index analysis took 132 ms [2022-11-26 01:02:52,518 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 [2022-11-26 01:02:52,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:52,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,048 INFO L217 Elim1Store]: Index analysis took 130 ms [2022-11-26 01:02:53,081 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 [2022-11-26 01:02:53,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:53,818 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 [2022-11-26 01:03:02,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,272 INFO L217 Elim1Store]: Index analysis took 132 ms [2022-11-26 01:03:02,304 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 [2022-11-26 01:03:02,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:02,784 INFO L217 Elim1Store]: Index analysis took 116 ms [2022-11-26 01:03:02,790 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 [2022-11-26 01:03:03,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:03,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:03,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:03,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:03,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:03,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:03,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:03,268 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 [2022-11-26 01:03:03,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:03,767 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 [2022-11-26 01:03:04,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:04,286 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 [2022-11-26 01:03:21,160 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 [2022-11-26 01:03:21,354 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 [2022-11-26 01:03:21,407 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 [2022-11-26 01:03:21,571 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 [2022-11-26 01:03:21,756 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 [2022-11-26 01:03:21,805 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 [2022-11-26 01:03:37,022 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 [2022-11-26 01:03:37,091 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 [2022-11-26 01:03:37,143 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 [2022-11-26 01:03:37,439 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 [2022-11-26 01:03:37,540 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 [2022-11-26 01:03:37,591 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 [2022-11-26 01:03:40,279 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 [2022-11-26 01:03:40,737 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 [2022-11-26 01:03:40,998 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 [2022-11-26 01:03:42,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 01:03:55,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 01:03:55,354 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 [2022-11-26 01:03:55,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 01:03:55,390 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 [2022-11-26 01:03:55,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 01:03:55,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 01:03:55,448 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 [2022-11-26 01:03:55,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 01:03:55,493 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 [2022-11-26 01:03:55,499 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 [2022-11-26 01:03:55,531 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 01:03:55,531 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 [2022-11-26 01:03:55,573 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 [2022-11-26 01:03:55,600 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 01:03:55,601 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 [2022-11-26 01:03:55,615 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 [2022-11-26 01:03:55,766 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 [2022-11-26 01:03:55,786 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 [2022-11-26 01:03:55,790 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 [2022-11-26 01:03:55,805 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 [2022-11-26 01:03:55,809 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 [2022-11-26 01:03:57,550 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 [2022-11-26 01:03:57,870 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 [2022-11-26 01:03:58,015 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 [2022-11-26 01:04:14,794 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 [2022-11-26 01:04:15,063 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 [2022-11-26 01:04:15,172 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 [2022-11-26 01:07:26,184 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2896 for LOIs [2022-11-26 01:07:39,674 INFO L197 IcfgInterpreter]: Interpreting procedure aws_priority_queue_is_valid with input of size 693 for LOIs [2022-11-26 01:07:44,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:07:44,484 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-26 01:07:44,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1943 treesize of output 1903 [2022-11-26 01:07:44,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:07:44,686 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-26 01:07:44,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1899 treesize of output 1859 [2022-11-26 01:07:44,901 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 1855 treesize of output 1831 [2022-11-26 01:07:50,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:07:50,126 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-26 01:07:50,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1943 treesize of output 1903 [2022-11-26 01:07:50,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:07:50,329 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-26 01:07:50,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1899 treesize of output 1859 [2022-11-26 01:07:50,505 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 1855 treesize of output 1831 [2022-11-26 01:07:56,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:56,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:07:56,489 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-26 01:07:56,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1943 treesize of output 1903 [2022-11-26 01:07:56,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:56,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:07:56,693 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-26 01:07:56,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1899 treesize of output 1859 [2022-11-26 01:07:56,873 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 1855 treesize of output 1831 [2022-11-26 01:07:59,155 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 743 for LOIs [2022-11-26 01:08:04,374 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 1928 treesize of output 1928 [2022-11-26 01:08:04,476 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 1922 treesize of output 1918 [2022-11-26 01:08:13,386 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 1928 treesize of output 1928 [2022-11-26 01:08:13,502 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 1922 treesize of output 1918 [2022-11-26 01:08:21,781 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 [2022-11-26 01:08:23,306 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 1928 treesize of output 1928 [2022-11-26 01:08:23,423 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 1922 treesize of output 1918 [2022-11-26 01:08:27,876 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 726 for LOIs [2022-11-26 01:08:47,008 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 715 for LOIs [2022-11-26 01:08:48,930 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2963 for LOIs [2022-11-26 01:10:13,631 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 11 treesize of output 7 [2022-11-26 01:10:13,646 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 11 treesize of output 7 [2022-11-26 01:10:13,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 01:10:13,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 01:10:36,138 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 45 for LOIs [2022-11-26 01:10:36,141 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 70 for LOIs [2022-11-26 01:10:36,150 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_malloc with input of size 645 for LOIs [2022-11-26 01:10:39,074 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 47 for LOIs [2022-11-26 01:10:39,078 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 01:12:43,868 WARN L233 SmtUtils]: Spent 2.07m on a formula simplification. DAG size of input: 2825 DAG size of output: 2437 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)