./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI --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 00eefb20b1e97d60d3c6a842acdb225be14d327e18edfa8146d29fe131145042 --- 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-5e519f3 [2022-11-03 02:53:46,666 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:53:46,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:53:46,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:53:46,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:53:46,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:53:46,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:53:46,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:53:46,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:53:46,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:53:46,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:53:46,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:53:46,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:53:46,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:53:46,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:53:46,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:53:46,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:53:46,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:53:46,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:53:46,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:53:46,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:53:46,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:53:46,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:53:46,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:53:46,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:53:46,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:53:46,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:53:46,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:53:46,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:53:46,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:53:46,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:53:46,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:53:46,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:53:46,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:53:46,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:53:46,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:53:46,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:53:46,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:53:46,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:53:46,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:53:46,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:53:46,753 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:53:46,780 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:53:46,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:53:46,781 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:53:46,781 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:53:46,782 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:53:46,782 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:53:46,783 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:53:46,783 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:53:46,783 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:53:46,784 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:53:46,784 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:53:46,784 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:53:46,784 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:53:46,785 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:53:46,785 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:53:46,785 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:53:46,785 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:53:46,786 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:53:46,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:53:46,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:53:46,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:53:46,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:53:46,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:53:46,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:53:46,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:53:46,789 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:53:46,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:53:46,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:53:46,789 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:53:46,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:53:46,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:53:46,790 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:53:46,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:53:46,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:53:46,791 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:53:46,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:53:46,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:53:46,792 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:53:46,792 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_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00eefb20b1e97d60d3c6a842acdb225be14d327e18edfa8146d29fe131145042 [2022-11-03 02:53:47,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:53:47,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:53:47,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:53:47,143 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:53:47,144 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:53:47,145 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2022-11-03 02:53:47,267 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/data/583467174/0fcfaf2eecbb4087b84f0e5ec4c442d3/FLAGdd949f835 [2022-11-03 02:53:48,177 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:53:48,178 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2022-11-03 02:53:48,250 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/data/583467174/0fcfaf2eecbb4087b84f0e5ec4c442d3/FLAGdd949f835 [2022-11-03 02:53:48,708 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/data/583467174/0fcfaf2eecbb4087b84f0e5ec4c442d3 [2022-11-03 02:53:48,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:53:48,713 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:53:48,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:53:48,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:53:48,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:53:48,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:53:48" (1/1) ... [2022-11-03 02:53:48,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c08f4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:48, skipping insertion in model container [2022-11-03 02:53:48,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:53:48" (1/1) ... [2022-11-03 02:53:48,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:53:48,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:53:49,246 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4501,4514] [2022-11-03 02:53:49,255 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4561,4574] [2022-11-03 02:53:50,502 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:50,503 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:50,503 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:50,504 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:50,505 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:50,522 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:50,523 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:50,526 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:50,527 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:50,529 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:50,530 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:50,531 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:50,532 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:50,975 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 02:53:50,977 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 02:53:50,979 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 02:53:50,981 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 02:53:50,983 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 02:53:50,984 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 02:53:50,985 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 02:53:50,985 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 02:53:50,986 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 02:53:50,987 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 02:53:51,207 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 02:53:51,257 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,266 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,353 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,362 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,362 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,363 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,363 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,364 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,364 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,366 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,367 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,367 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,368 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,368 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,369 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,375 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,375 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,376 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,376 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,393 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,395 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,406 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,414 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,415 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:53:51,470 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:53:51,497 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4501,4514] [2022-11-03 02:53:51,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4561,4574] [2022-11-03 02:53:51,546 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,547 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,547 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,548 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,549 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,556 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,557 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,558 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,559 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,560 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,561 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,561 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,562 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,602 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 02:53:51,603 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 02:53:51,604 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 02:53:51,605 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 02:53:51,606 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 02:53:51,607 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 02:53:51,608 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 02:53:51,608 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 02:53:51,609 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 02:53:51,610 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 02:53:51,636 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 02:53:51,713 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,719 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,819 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,820 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,820 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,820 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,821 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,822 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,822 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,823 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,823 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,824 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,824 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,825 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,825 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,826 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,827 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,827 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,828 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,835 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,835 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,846 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,849 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,849 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:51,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:53:52,192 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:53:52,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:52 WrapperNode [2022-11-03 02:53:52,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:53:52,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:53:52,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:53:52,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:53:52,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:52" (1/1) ... [2022-11-03 02:53:52,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:52" (1/1) ... [2022-11-03 02:53:52,420 INFO L138 Inliner]: procedures = 697, calls = 1880, calls flagged for inlining = 58, calls inlined = 17, statements flattened = 1145 [2022-11-03 02:53:52,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:53:52,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:53:52,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:53:52,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:53:52,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:52" (1/1) ... [2022-11-03 02:53:52,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:52" (1/1) ... [2022-11-03 02:53:52,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:52" (1/1) ... [2022-11-03 02:53:52,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:52" (1/1) ... [2022-11-03 02:53:52,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:52" (1/1) ... [2022-11-03 02:53:52,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:52" (1/1) ... [2022-11-03 02:53:52,531 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:52" (1/1) ... [2022-11-03 02:53:52,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:52" (1/1) ... [2022-11-03 02:53:52,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:53:52,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:53:52,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:53:52,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:53:52,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:52" (1/1) ... [2022-11-03 02:53:52,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:53:52,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:53:52,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:53:52,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:53:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2022-11-03 02:53:52,672 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2022-11-03 02:53:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2022-11-03 02:53:52,673 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2022-11-03 02:53:52,673 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-11-03 02:53:52,673 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-11-03 02:53:52,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:53:52,674 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-03 02:53:52,674 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-03 02:53:52,674 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-03 02:53:52,674 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-03 02:53:52,675 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-03 02:53:52,676 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-03 02:53:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-11-03 02:53:52,680 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-11-03 02:53:52,681 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2022-11-03 02:53:52,681 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2022-11-03 02:53:52,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:53:52,682 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-03 02:53:52,682 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-03 02:53:52,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-03 02:53:52,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-03 02:53:52,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:53:52,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:53:52,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:53:52,688 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2022-11-03 02:53:52,689 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2022-11-03 02:53:52,689 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-03 02:53:52,689 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-03 02:53:52,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:53:52,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:53:52,689 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-03 02:53:52,689 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-03 02:53:52,690 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-03 02:53:52,690 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-03 02:53:52,690 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-03 02:53:52,690 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-03 02:53:52,690 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-11-03 02:53:52,690 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-11-03 02:53:52,690 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-11-03 02:53:52,691 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-11-03 02:53:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-03 02:53:52,691 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-03 02:53:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:53:52,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:53:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 02:53:52,691 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 02:53:52,692 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-03 02:53:52,692 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-03 02:53:52,692 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2022-11-03 02:53:52,692 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2022-11-03 02:53:52,692 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-11-03 02:53:52,692 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-11-03 02:53:52,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:53:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-11-03 02:53:52,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-11-03 02:53:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:53:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:53:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_push_ref [2022-11-03 02:53:52,693 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_push_ref [2022-11-03 02:53:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2022-11-03 02:53:52,694 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2022-11-03 02:53:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-03 02:53:52,694 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-03 02:53:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-03 02:53:52,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-03 02:53:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-11-03 02:53:52,694 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-11-03 02:53:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:53:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-03 02:53:52,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-03 02:53:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2022-11-03 02:53:52,695 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2022-11-03 02:53:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2022-11-03 02:53:52,695 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2022-11-03 02:53:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-03 02:53:52,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-03 02:53:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:53:53,331 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:53:53,337 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:53:55,433 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:53:55,961 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:53:55,961 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-03 02:53:55,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:53:55 BoogieIcfgContainer [2022-11-03 02:53:55,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:53:55,976 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:53:55,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:53:55,984 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:53:55,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:53:48" (1/3) ... [2022-11-03 02:53:55,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fb1bedd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:53:55, skipping insertion in model container [2022-11-03 02:53:55,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:52" (2/3) ... [2022-11-03 02:53:55,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fb1bedd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:53:55, skipping insertion in model container [2022-11-03 02:53:55,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:53:55" (3/3) ... [2022-11-03 02:53:55,990 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_ref_harness.i [2022-11-03 02:53:56,015 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:53:56,015 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-03 02:53:56,112 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:53:56,127 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;@2e4cb700, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:53:56,127 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-03 02:53:56,137 INFO L276 IsEmpty]: Start isEmpty. Operand has 461 states, 233 states have (on average 1.201716738197425) internal successors, (280), 236 states have internal predecessors, (280), 193 states have call successors, (193), 33 states have call predecessors, (193), 33 states have return successors, (193), 193 states have call predecessors, (193), 193 states have call successors, (193) [2022-11-03 02:53:56,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-03 02:53:56,165 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:53:56,166 INFO L195 NwaCegarLoop]: trace histogram [11, 3, 3, 3, 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] [2022-11-03 02:53:56,167 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:53:56,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:53:56,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1314052006, now seen corresponding path program 1 times [2022-11-03 02:53:56,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:53:56,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75150404] [2022-11-03 02:53:56,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:56,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:53:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:53:57,779 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-11-03 02:53:57,780 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:53:57,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75150404] [2022-11-03 02:53:57,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75150404] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:53:57,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006450203] [2022-11-03 02:53:57,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:57,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:53:57,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:53:57,787 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:53:57,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:53:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:53:58,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 2380 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 02:53:58,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:53:58,881 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-03 02:53:58,884 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:53:58,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006450203] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:53:58,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:53:58,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-03 02:53:58,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598514197] [2022-11-03 02:53:58,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:53:58,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:53:58,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:53:58,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:53:58,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:53:58,952 INFO L87 Difference]: Start difference. First operand has 461 states, 233 states have (on average 1.201716738197425) internal successors, (280), 236 states have internal predecessors, (280), 193 states have call successors, (193), 33 states have call predecessors, (193), 33 states have return successors, (193), 193 states have call predecessors, (193), 193 states have call successors, (193) 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, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-03 02:54:00,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:54:00,697 INFO L93 Difference]: Finished difference Result 895 states and 1358 transitions. [2022-11-03 02:54:00,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:54:00,701 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, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 123 [2022-11-03 02:54:00,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:54:00,719 INFO L225 Difference]: With dead ends: 895 [2022-11-03 02:54:00,720 INFO L226 Difference]: Without dead ends: 460 [2022-11-03 02:54:00,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:54:00,754 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 18 mSDsluCounter, 1869 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 2333 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:54:00,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 2333 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-03 02:54:00,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2022-11-03 02:54:00,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 460. [2022-11-03 02:54:00,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 232 states have (on average 1.1896551724137931) internal successors, (276), 235 states have internal predecessors, (276), 193 states have call successors, (193), 33 states have call predecessors, (193), 33 states have return successors, (199), 191 states have call predecessors, (199), 191 states have call successors, (199) [2022-11-03 02:54:00,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 668 transitions. [2022-11-03 02:54:00,929 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 668 transitions. Word has length 123 [2022-11-03 02:54:00,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:54:00,930 INFO L495 AbstractCegarLoop]: Abstraction has 460 states and 668 transitions. [2022-11-03 02:54:00,930 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, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-03 02:54:00,930 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 668 transitions. [2022-11-03 02:54:00,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-03 02:54:00,943 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:54:00,944 INFO L195 NwaCegarLoop]: trace histogram [11, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:54:01,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:54:01,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:54:01,166 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:54:01,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:54:01,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1194641517, now seen corresponding path program 1 times [2022-11-03 02:54:01,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:54:01,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340309072] [2022-11-03 02:54:01,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:54:01,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:54:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:54:02,305 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-03 02:54:02,306 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:54:02,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340309072] [2022-11-03 02:54:02,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340309072] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:54:02,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514480762] [2022-11-03 02:54:02,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:54:02,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:54:02,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:54:02,309 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:54:02,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:54:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:54:03,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 2430 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 02:54:03,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:54:03,273 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-03 02:54:03,273 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:54:03,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514480762] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:54:03,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:54:03,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-03 02:54:03,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854476625] [2022-11-03 02:54:03,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:54:03,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:54:03,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:54:03,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:54:03,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:54:03,278 INFO L87 Difference]: Start difference. First operand 460 states and 668 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, (27), 2 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2022-11-03 02:54:06,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:54:06,243 INFO L93 Difference]: Finished difference Result 905 states and 1354 transitions. [2022-11-03 02:54:06,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:54:06,245 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, (27), 2 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 131 [2022-11-03 02:54:06,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:54:06,251 INFO L225 Difference]: With dead ends: 905 [2022-11-03 02:54:06,251 INFO L226 Difference]: Without dead ends: 473 [2022-11-03 02:54:06,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-11-03 02:54:06,256 INFO L413 NwaCegarLoop]: 566 mSDtfsCounter, 36 mSDsluCounter, 2920 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 3265 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:54:06,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 3265 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-03 02:54:06,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2022-11-03 02:54:06,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 471. [2022-11-03 02:54:06,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 195 states have call successors, (195), 33 states have call predecessors, (195), 34 states have return successors, (233), 194 states have call predecessors, (233), 193 states have call successors, (233) [2022-11-03 02:54:06,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 714 transitions. [2022-11-03 02:54:06,305 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 714 transitions. Word has length 131 [2022-11-03 02:54:06,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:54:06,305 INFO L495 AbstractCegarLoop]: Abstraction has 471 states and 714 transitions. [2022-11-03 02:54:06,306 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, (27), 2 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2022-11-03 02:54:06,306 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 714 transitions. [2022-11-03 02:54:06,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-03 02:54:06,309 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:54:06,309 INFO L195 NwaCegarLoop]: trace histogram [11, 4, 4, 3, 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] [2022-11-03 02:54:06,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:54:06,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:54:06,510 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:54:06,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:54:06,511 INFO L85 PathProgramCache]: Analyzing trace with hash -972521449, now seen corresponding path program 1 times [2022-11-03 02:54:06,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:54:06,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421379183] [2022-11-03 02:54:06,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:54:06,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:54:06,633 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:54:06,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [194437800] [2022-11-03 02:54:06,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:54:06,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:54:06,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:54:06,635 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:54:06,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 02:54:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:54:07,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 2562 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 02:54:07,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:54:07,497 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-03 02:54:07,498 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:54:07,498 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:54:07,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421379183] [2022-11-03 02:54:07,498 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:54:07,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194437800] [2022-11-03 02:54:07,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194437800] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:54:07,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:54:07,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:54:07,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376135841] [2022-11-03 02:54:07,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:54:07,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:54:07,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:54:07,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:54:07,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:54:07,502 INFO L87 Difference]: Start difference. First operand 471 states and 714 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, (29), 2 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-11-03 02:54:09,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:54:09,283 INFO L93 Difference]: Finished difference Result 922 states and 1420 transitions. [2022-11-03 02:54:09,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:54:09,284 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, (29), 2 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 140 [2022-11-03 02:54:09,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:54:09,289 INFO L225 Difference]: With dead ends: 922 [2022-11-03 02:54:09,289 INFO L226 Difference]: Without dead ends: 479 [2022-11-03 02:54:09,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:54:09,292 INFO L413 NwaCegarLoop]: 596 mSDtfsCounter, 29 mSDsluCounter, 2473 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 2892 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:54:09,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 2892 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-03 02:54:09,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2022-11-03 02:54:09,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 471. [2022-11-03 02:54:09,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 195 states have call successors, (195), 33 states have call predecessors, (195), 34 states have return successors, (233), 194 states have call predecessors, (233), 193 states have call successors, (233) [2022-11-03 02:54:09,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 714 transitions. [2022-11-03 02:54:09,350 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 714 transitions. Word has length 140 [2022-11-03 02:54:09,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:54:09,351 INFO L495 AbstractCegarLoop]: Abstraction has 471 states and 714 transitions. [2022-11-03 02:54:09,351 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, (29), 2 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-11-03 02:54:09,351 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 714 transitions. [2022-11-03 02:54:09,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-03 02:54:09,356 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:54:09,357 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:54:09,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-03 02:54:09,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:54:09,569 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:54:09,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:54:09,570 INFO L85 PathProgramCache]: Analyzing trace with hash 909644124, now seen corresponding path program 1 times [2022-11-03 02:54:09,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:54:09,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077186814] [2022-11-03 02:54:09,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:54:09,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:54:09,680 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:54:09,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1226481070] [2022-11-03 02:54:09,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:54:09,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:54:09,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:54:09,682 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:54:09,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 02:54:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:54:10,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 2616 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-03 02:54:10,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:54:10,586 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2022-11-03 02:54:10,587 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:54:10,587 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:54:10,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077186814] [2022-11-03 02:54:10,587 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:54:10,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226481070] [2022-11-03 02:54:10,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226481070] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:54:10,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:54:10,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 02:54:10,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137560892] [2022-11-03 02:54:10,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:54:10,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 02:54:10,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:54:10,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 02:54:10,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:54:10,591 INFO L87 Difference]: Start difference. First operand 471 states and 714 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, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) [2022-11-03 02:54:12,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:54:12,800 INFO L93 Difference]: Finished difference Result 924 states and 1417 transitions. [2022-11-03 02:54:12,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 02:54:12,801 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, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) Word has length 148 [2022-11-03 02:54:12,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:54:12,806 INFO L225 Difference]: With dead ends: 924 [2022-11-03 02:54:12,807 INFO L226 Difference]: Without dead ends: 481 [2022-11-03 02:54:12,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-03 02:54:12,855 INFO L413 NwaCegarLoop]: 564 mSDtfsCounter, 52 mSDsluCounter, 3485 mSDsCounter, 0 mSdLazyCounter, 835 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 3788 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:54:12,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 3788 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 835 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-03 02:54:12,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2022-11-03 02:54:12,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 471. [2022-11-03 02:54:12,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 195 states have call successors, (195), 33 states have call predecessors, (195), 34 states have return successors, (233), 194 states have call predecessors, (233), 193 states have call successors, (233) [2022-11-03 02:54:12,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 714 transitions. [2022-11-03 02:54:12,899 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 714 transitions. Word has length 148 [2022-11-03 02:54:12,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:54:12,900 INFO L495 AbstractCegarLoop]: Abstraction has 471 states and 714 transitions. [2022-11-03 02:54:12,900 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, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) [2022-11-03 02:54:12,901 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 714 transitions. [2022-11-03 02:54:12,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-11-03 02:54:12,904 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:54:12,905 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:54:12,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 02:54:13,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:54:13,129 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:54:13,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:54:13,130 INFO L85 PathProgramCache]: Analyzing trace with hash 245892058, now seen corresponding path program 2 times [2022-11-03 02:54:13,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:54:13,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285268656] [2022-11-03 02:54:13,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:54:13,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:54:13,248 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:54:13,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1752028721] [2022-11-03 02:54:13,249 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 02:54:13,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:54:13,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:54:13,250 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:54:13,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-03 02:54:14,567 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-03 02:54:14,567 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:54:14,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 1885 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-03 02:54:14,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:54:14,631 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-03 02:54:14,632 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:54:14,632 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:54:14,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285268656] [2022-11-03 02:54:14,632 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:54:14,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752028721] [2022-11-03 02:54:14,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752028721] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:54:14,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:54:14,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:54:14,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919327884] [2022-11-03 02:54:14,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:54:14,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:54:14,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:54:14,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:54:14,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:54:14,636 INFO L87 Difference]: Start difference. First operand 471 states and 714 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, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-03 02:54:16,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:54:16,050 INFO L93 Difference]: Finished difference Result 894 states and 1373 transitions. [2022-11-03 02:54:16,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:54:16,051 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, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 157 [2022-11-03 02:54:16,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:54:16,055 INFO L225 Difference]: With dead ends: 894 [2022-11-03 02:54:16,056 INFO L226 Difference]: Without dead ends: 471 [2022-11-03 02:54:16,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:54:16,059 INFO L413 NwaCegarLoop]: 570 mSDtfsCounter, 0 mSDsluCounter, 1772 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2203 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:54:16,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2203 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-03 02:54:16,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2022-11-03 02:54:16,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 471. [2022-11-03 02:54:16,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 195 states have call successors, (195), 33 states have call predecessors, (195), 34 states have return successors, (232), 194 states have call predecessors, (232), 193 states have call successors, (232) [2022-11-03 02:54:16,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 713 transitions. [2022-11-03 02:54:16,101 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 713 transitions. Word has length 157 [2022-11-03 02:54:16,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:54:16,105 INFO L495 AbstractCegarLoop]: Abstraction has 471 states and 713 transitions. [2022-11-03 02:54:16,105 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, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-03 02:54:16,106 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 713 transitions. [2022-11-03 02:54:16,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-03 02:54:16,110 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:54:16,111 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:54:16,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-03 02:54:16,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:54:16,325 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:54:16,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:54:16,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1160757588, now seen corresponding path program 3 times [2022-11-03 02:54:16,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:54:16,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4493505] [2022-11-03 02:54:16,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:54:16,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:54:16,449 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:54:16,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1138290549] [2022-11-03 02:54:16,450 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 02:54:16,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:54:16,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:54:16,452 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:54:16,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-03 02:54:17,041 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 02:54:17,041 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:54:17,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-03 02:54:17,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:54:17,160 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-03 02:54:17,161 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:54:17,161 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:54:17,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4493505] [2022-11-03 02:54:17,162 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:54:17,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138290549] [2022-11-03 02:54:17,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138290549] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:54:17,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:54:17,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 02:54:17,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124904410] [2022-11-03 02:54:17,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:54:17,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 02:54:17,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:54:17,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 02:54:17,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:54:17,166 INFO L87 Difference]: Start difference. First operand 471 states and 713 transitions. Second operand has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-11-03 02:54:20,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:54:20,931 INFO L93 Difference]: Finished difference Result 987 states and 1512 transitions. [2022-11-03 02:54:20,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 02:54:20,933 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 166 [2022-11-03 02:54:20,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:54:20,938 INFO L225 Difference]: With dead ends: 987 [2022-11-03 02:54:20,939 INFO L226 Difference]: Without dead ends: 560 [2022-11-03 02:54:20,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:54:20,942 INFO L413 NwaCegarLoop]: 636 mSDtfsCounter, 100 mSDsluCounter, 3778 mSDsCounter, 0 mSdLazyCounter, 939 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 4144 SdHoareTripleChecker+Invalid, 1007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 939 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:54:20,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 4144 Invalid, 1007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 939 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-03 02:54:20,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2022-11-03 02:54:20,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 544. [2022-11-03 02:54:20,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 282 states have (on average 1.2056737588652482) internal successors, (340), 287 states have internal predecessors, (340), 224 states have call successors, (224), 34 states have call predecessors, (224), 36 states have return successors, (275), 222 states have call predecessors, (275), 222 states have call successors, (275) [2022-11-03 02:54:20,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 839 transitions. [2022-11-03 02:54:20,981 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 839 transitions. Word has length 166 [2022-11-03 02:54:20,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:54:20,982 INFO L495 AbstractCegarLoop]: Abstraction has 544 states and 839 transitions. [2022-11-03 02:54:20,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-11-03 02:54:20,983 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 839 transitions. [2022-11-03 02:54:20,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-03 02:54:20,985 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:54:20,986 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:54:21,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-03 02:54:21,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:54:21,193 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:54:21,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:54:21,194 INFO L85 PathProgramCache]: Analyzing trace with hash -990289880, now seen corresponding path program 4 times [2022-11-03 02:54:21,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:54:21,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513485114] [2022-11-03 02:54:21,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:54:21,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:54:21,345 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:54:21,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1567318710] [2022-11-03 02:54:21,345 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-03 02:54:21,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:54:21,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:54:21,347 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:54:21,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-03 02:54:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:54:22,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 3012 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 02:54:22,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:54:22,433 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-03 02:54:22,434 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:54:22,434 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:54:22,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513485114] [2022-11-03 02:54:22,434 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:54:22,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567318710] [2022-11-03 02:54:22,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567318710] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:54:22,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:54:22,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 02:54:22,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095583785] [2022-11-03 02:54:22,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:54:22,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:54:22,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:54:22,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:54:22,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:54:22,440 INFO L87 Difference]: Start difference. First operand 544 states and 839 transitions. Second operand has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-11-03 02:54:23,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:54:23,907 INFO L93 Difference]: Finished difference Result 930 states and 1416 transitions. [2022-11-03 02:54:23,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:54:23,908 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 175 [2022-11-03 02:54:23,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:54:23,913 INFO L225 Difference]: With dead ends: 930 [2022-11-03 02:54:23,913 INFO L226 Difference]: Without dead ends: 473 [2022-11-03 02:54:23,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:54:23,918 INFO L413 NwaCegarLoop]: 591 mSDtfsCounter, 85 mSDsluCounter, 2953 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 3334 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:54:23,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 3334 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-03 02:54:23,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2022-11-03 02:54:23,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 473. [2022-11-03 02:54:23,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 241 states have (on average 1.1908713692946058) internal successors, (287), 245 states have internal predecessors, (287), 195 states have call successors, (195), 33 states have call predecessors, (195), 35 states have return successors, (236), 194 states have call predecessors, (236), 193 states have call successors, (236) [2022-11-03 02:54:23,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 718 transitions. [2022-11-03 02:54:23,956 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 718 transitions. Word has length 175 [2022-11-03 02:54:23,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:54:23,956 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 718 transitions. [2022-11-03 02:54:23,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-11-03 02:54:23,957 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 718 transitions. [2022-11-03 02:54:23,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-03 02:54:23,961 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:54:23,961 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:54:24,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-03 02:54:24,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:54:24,185 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:54:24,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:54:24,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1741983641, now seen corresponding path program 1 times [2022-11-03 02:54:24,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:54:24,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077688554] [2022-11-03 02:54:24,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:54:24,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:54:24,337 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:54:24,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [364988399] [2022-11-03 02:54:24,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:54:24,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:54:24,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:54:24,340 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:54:24,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-03 02:54:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:54:25,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 2930 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-03 02:54:25,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:54:25,478 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-11-03 02:54:25,481 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:54:25,482 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:54:25,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077688554] [2022-11-03 02:54:25,482 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:54:25,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364988399] [2022-11-03 02:54:25,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364988399] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:54:25,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:54:25,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:54:25,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823463759] [2022-11-03 02:54:25,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:54:25,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-03 02:54:25,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:54:25,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-03 02:54:25,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:54:25,485 INFO L87 Difference]: Start difference. First operand 473 states and 718 transitions. Second operand has 9 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 5 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2022-11-03 02:54:28,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:54:28,648 INFO L93 Difference]: Finished difference Result 915 states and 1397 transitions. [2022-11-03 02:54:28,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 02:54:28,649 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 5 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) Word has length 174 [2022-11-03 02:54:28,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:54:28,654 INFO L225 Difference]: With dead ends: 915 [2022-11-03 02:54:28,654 INFO L226 Difference]: Without dead ends: 481 [2022-11-03 02:54:28,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-03 02:54:28,658 INFO L413 NwaCegarLoop]: 559 mSDtfsCounter, 104 mSDsluCounter, 3905 mSDsCounter, 0 mSdLazyCounter, 936 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 4173 SdHoareTripleChecker+Invalid, 1008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 936 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:54:28,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 4173 Invalid, 1008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 936 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-03 02:54:28,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2022-11-03 02:54:28,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2022-11-03 02:54:28,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 246 states have (on average 1.1910569105691058) internal successors, (293), 249 states have internal predecessors, (293), 196 states have call successors, (196), 33 states have call predecessors, (196), 35 states have return successors, (237), 196 states have call predecessors, (237), 194 states have call successors, (237) [2022-11-03 02:54:28,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 726 transitions. [2022-11-03 02:54:28,696 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 726 transitions. Word has length 174 [2022-11-03 02:54:28,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:54:28,697 INFO L495 AbstractCegarLoop]: Abstraction has 479 states and 726 transitions. [2022-11-03 02:54:28,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 5 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2022-11-03 02:54:28,698 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 726 transitions. [2022-11-03 02:54:28,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-03 02:54:28,700 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:54:28,701 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:54:28,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-03 02:54:28,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-03 02:54:28,917 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:54:28,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:54:28,918 INFO L85 PathProgramCache]: Analyzing trace with hash 251211293, now seen corresponding path program 2 times [2022-11-03 02:54:28,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:54:28,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718630140] [2022-11-03 02:54:28,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:54:28,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:54:29,053 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:54:29,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [584189612] [2022-11-03 02:54:29,053 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 02:54:29,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:54:29,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:54:29,055 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:54:29,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbe74d8-02d4-4d65-836d-14a774dd02f0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-03 02:54:30,363 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-03 02:54:30,364 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:54:30,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 2017 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-03 02:54:30,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:54:30,530 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-11-03 02:54:30,531 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:54:31,098 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2022-11-03 02:54:31,098 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:54:31,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718630140] [2022-11-03 02:54:31,098 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:54:31,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584189612] [2022-11-03 02:54:31,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584189612] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:54:31,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [822978680] [2022-11-03 02:54:31,128 INFO L159 IcfgInterpreter]: Started Sifa with 90 locations of interest [2022-11-03 02:54:31,128 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:54:31,133 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:54:31,140 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:54:31,140 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:54:35,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:36,236 INFO L244 Elim1Store]: Index analysis took 624 ms [2022-11-03 02:55:05,707 WARN L234 SmtUtils]: Spent 29.36s on a formula simplification. DAG size of input: 1767 DAG size of output: 1175 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 02:55:05,715 INFO L356 Elim1Store]: treesize reduction 1968, result has 47.2 percent of original size [2022-11-03 02:55:05,721 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 197 select indices, 197 select index equivalence classes, 19308 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 196 case distinctions, treesize of input 992 treesize of output 2358 [2022-11-03 02:55:10,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:55:10,986 INFO L244 Elim1Store]: Index analysis took 1117 ms [2022-11-03 02:55:54,145 WARN L234 SmtUtils]: Spent 43.09s on a formula simplification. DAG size of input: 2161 DAG size of output: 1179 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 02:55:54,150 INFO L356 Elim1Store]: treesize reduction 3528, result has 33.3 percent of original size [2022-11-03 02:55:54,156 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19505 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 392 case distinctions, treesize of input 1002 treesize of output 2377 [2022-11-03 02:57:50,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:50,564 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:50,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:50,573 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:50,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:50,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:50,596 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:50,608 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:55,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:55,895 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19504 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 [2022-11-03 02:57:56,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:56,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:56,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:56,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:56,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:56,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:56,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:56,666 INFO L244 Elim1Store]: Index analysis took 155 ms [2022-11-03 02:57:56,705 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:57,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,335 INFO L244 Elim1Store]: Index analysis took 168 ms [2022-11-03 02:57:57,343 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 714 treesize of output 362 [2022-11-03 02:57:57,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:57,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:58,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:58,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:58,051 INFO L244 Elim1Store]: Index analysis took 113 ms [2022-11-03 02:57:58,084 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:58,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:58,842 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19701 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-11-03 02:58:08,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:08,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:08,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:08,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:08,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:08,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:08,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:08,999 INFO L244 Elim1Store]: Index analysis took 161 ms [2022-11-03 02:58:09,040 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:58:09,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:09,752 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19701 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-11-03 02:58:10,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:10,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:10,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:10,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:10,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:10,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:10,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:10,503 INFO L244 Elim1Store]: Index analysis took 101 ms [2022-11-03 02:58:10,534 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:58:11,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,118 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19504 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 [2022-11-03 02:58:11,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:58:11,711 INFO L244 Elim1Store]: Index analysis took 138 ms [2022-11-03 02:58:11,717 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 714 treesize of output 362 [2022-11-03 02:58:34,983 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:58:35,056 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:58:35,276 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:58:35,583 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:58:35,643 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:58:35,865 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:58:56,727 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:58:56,863 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:58:56,936 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:58:57,398 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:58:57,534 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:58:57,604 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:59:01,302 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2383 treesize of output 2373 [2022-11-03 02:59:01,778 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2383 treesize of output 2373 [2022-11-03 02:59:02,101 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2387 treesize of output 2366 [2022-11-03 02:59:03,470 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:59:22,319 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:59:22,329 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:59:22,369 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:59:22,375 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:59:22,420 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:59:22,434 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:59:22,443 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:59:22,459 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:59:22,540 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:59:22,543 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:59:22,557 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:59:22,570 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:59:22,654 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:59:22,654 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:59:22,678 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:59:22,687 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:59:22,759 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:59:22,864 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:59:22,868 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:59:22,890 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:59:22,894 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:59:25,083 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2379 treesize of output 2351 [2022-11-03 02:59:25,658 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2355 treesize of output 2327 [2022-11-03 02:59:26,057 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2323 treesize of output 2299 [2022-11-03 02:59:49,811 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2379 treesize of output 2351 [2022-11-03 02:59:50,214 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2347 treesize of output 2323 [2022-11-03 02:59:50,345 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2331 treesize of output 2303 [2022-11-03 03:01:07,021 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2902 for LOIs [2022-11-03 03:01:25,946 INFO L197 IcfgInterpreter]: Interpreting procedure aws_priority_queue_is_valid with input of size 696 for LOIs [2022-11-03 03:01:32,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:01:32,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:01:32,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:01:32,563 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-03 03:01:32,565 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1951 treesize of output 1911 [2022-11-03 03:01:32,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:01:32,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:01:32,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:01:32,884 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-03 03:01:32,885 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1907 treesize of output 1867 [2022-11-03 03:01:33,076 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1863 treesize of output 1839 [2022-11-03 03:01:39,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:01:39,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:01:39,167 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-03 03:01:39,168 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1951 treesize of output 1911 [2022-11-03 03:01:39,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:01:39,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:01:39,454 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-03 03:01:39,455 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1907 treesize of output 1867 [2022-11-03 03:01:39,654 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1863 treesize of output 1839 [2022-11-03 03:01:45,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:01:45,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:01:45,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:01:45,355 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-03 03:01:45,357 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1951 treesize of output 1911 [2022-11-03 03:01:45,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:01:45,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:01:45,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:01:45,647 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-03 03:01:45,649 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1907 treesize of output 1867 [2022-11-03 03:01:45,864 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1863 treesize of output 1839 [2022-11-03 03:01:48,503 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 746 for LOIs [2022-11-03 03:01:54,905 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1936 treesize of output 1936 [2022-11-03 03:01:55,036 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1930 treesize of output 1926 [2022-11-03 03:02:05,893 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1936 treesize of output 1936 [2022-11-03 03:02:06,010 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1930 treesize of output 1926 [2022-11-03 03:02:15,468 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:02:17,256 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1936 treesize of output 1936 [2022-11-03 03:02:17,378 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1930 treesize of output 1926 [2022-11-03 03:02:22,370 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 729 for LOIs [2022-11-03 03:02:43,218 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 718 for LOIs [2022-11-03 03:02:45,063 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2970 for LOIs [2022-11-03 03:04:21,701 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:04:21,710 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:04:21,729 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:04:21,749 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:04:48,708 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 45 for LOIs [2022-11-03 03:04:48,711 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 70 for LOIs [2022-11-03 03:04:48,721 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_malloc with input of size 91 for LOIs [2022-11-03 03:04:49,352 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 43 for LOIs [2022-11-03 03:04:49,356 INFO L180 IcfgInterpreter]: Interpretation finished