./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_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_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/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_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/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_9ca34eff-1124-4201-9e45-ce22c3854617/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 811b19098d8792ad6e5000a82cea527dd92a4bca0da5ce1bf33c0114316cf54d --- 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 03:29:26,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:29:26,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:29:26,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:29:26,669 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:29:26,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:29:26,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:29:26,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:29:26,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:29:26,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:29:26,680 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:29:26,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:29:26,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:29:26,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:29:26,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:29:26,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:29:26,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:29:26,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:29:26,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:29:26,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:29:26,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:29:26,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:29:26,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:29:26,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:29:26,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:29:26,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:29:26,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:29:26,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:29:26,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:29:26,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:29:26,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:29:26,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:29:26,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:29:26,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:29:26,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:29:26,749 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:29:26,750 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:29:26,750 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:29:26,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:29:26,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:29:26,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:29:26,753 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:29:26,809 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:29:26,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:29:26,810 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:29:26,811 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:29:26,812 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:29:26,812 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:29:26,812 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:29:26,812 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:29:26,813 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:29:26,813 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:29:26,814 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:29:26,814 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:29:26,815 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:29:26,815 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:29:26,815 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:29:26,815 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:29:26,816 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:29:26,816 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:29:26,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:29:26,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:29:26,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:29:26,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:29:26,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:29:26,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:29:26,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:29:26,820 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:29:26,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:29:26,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:29:26,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:29:26,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:29:26,821 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:29:26,822 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:29:26,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:29:26,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:29:26,823 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:29:26,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:29:26,823 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:29:26,823 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:29:26,823 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_9ca34eff-1124-4201-9e45-ce22c3854617/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 811b19098d8792ad6e5000a82cea527dd92a4bca0da5ce1bf33c0114316cf54d [2022-11-03 03:29:27,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:29:27,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:29:27,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:29:27,246 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:29:27,247 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:29:27,249 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i [2022-11-03 03:29:27,374 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/data/13241b1cf/fe2acd3b0f204a8b9c0b6e2332739fbd/FLAG53f4244be [2022-11-03 03:29:28,325 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:29:28,326 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i [2022-11-03 03:29:28,387 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/data/13241b1cf/fe2acd3b0f204a8b9c0b6e2332739fbd/FLAG53f4244be [2022-11-03 03:29:28,847 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/data/13241b1cf/fe2acd3b0f204a8b9c0b6e2332739fbd [2022-11-03 03:29:28,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:29:28,851 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:29:28,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:29:28,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:29:28,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:29:28,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:29:28" (1/1) ... [2022-11-03 03:29:28,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@774654ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:28, skipping insertion in model container [2022-11-03 03:29:28,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:29:28" (1/1) ... [2022-11-03 03:29:28,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:29:28,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:29:29,405 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_9ca34eff-1124-4201-9e45-ce22c3854617/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4502,4515] [2022-11-03 03:29:29,416 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_9ca34eff-1124-4201-9e45-ce22c3854617/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4562,4575] [2022-11-03 03:29:30,781 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:29:30,790 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:29:30,792 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:29:30,793 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:29:30,795 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:29:30,820 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:29:30,825 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:29:30,829 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:29:30,833 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:29:30,843 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:29:30,844 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:29:30,846 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:29:30,847 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:29:31,349 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 03:29:31,351 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 03:29:31,352 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 03:29:31,354 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 03:29:31,356 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 03:29:31,357 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 03:29:31,357 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 03:29:31,358 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 03:29:31,359 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 03:29:31,360 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 03:29:31,511 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 03:29:31,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:29:31,554 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:29:31,571 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_9ca34eff-1124-4201-9e45-ce22c3854617/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4502,4515] [2022-11-03 03:29:31,572 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_9ca34eff-1124-4201-9e45-ce22c3854617/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4562,4575] [2022-11-03 03:29:31,695 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:29:31,696 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:29:31,696 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:29:31,697 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:29:31,698 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:29:31,719 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:29:31,720 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:29:31,721 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:29:31,722 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:29:31,723 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:29:31,724 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:29:31,725 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:29:31,725 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:29:31,790 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 03:29:31,791 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 03:29:31,793 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 03:29:31,794 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 03:29:31,796 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 03:29:31,796 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 03:29:31,797 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 03:29:31,798 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 03:29:31,799 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 03:29:31,800 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 03:29:31,831 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 03:29:31,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:29:32,103 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:29:32,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:32 WrapperNode [2022-11-03 03:29:32,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:29:32,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:29:32,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:29:32,106 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:29:32,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:32" (1/1) ... [2022-11-03 03:29:32,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:32" (1/1) ... [2022-11-03 03:29:32,278 INFO L138 Inliner]: procedures = 679, calls = 1048, calls flagged for inlining = 50, calls inlined = 4, statements flattened = 78 [2022-11-03 03:29:32,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:29:32,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:29:32,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:29:32,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:29:32,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:32" (1/1) ... [2022-11-03 03:29:32,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:32" (1/1) ... [2022-11-03 03:29:32,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:32" (1/1) ... [2022-11-03 03:29:32,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:32" (1/1) ... [2022-11-03 03:29:32,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:32" (1/1) ... [2022-11-03 03:29:32,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:32" (1/1) ... [2022-11-03 03:29:32,316 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:32" (1/1) ... [2022-11-03 03:29:32,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:32" (1/1) ... [2022-11-03 03:29:32,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:29:32,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:29:32,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:29:32,335 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:29:32,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:32" (1/1) ... [2022-11-03 03:29:32,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:29:32,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:29:32,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:29:32,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:29:32,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:29:32,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-03 03:29:32,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-03 03:29:32,451 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_next_is_valid [2022-11-03 03:29:32,451 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_next_is_valid [2022-11-03 03:29:32,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:29:32,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:29:32,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:29:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:29:32,453 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:29:32,453 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:29:32,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:29:32,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:29:32,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:29:32,454 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_prev_is_valid [2022-11-03 03:29:32,455 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_prev_is_valid [2022-11-03 03:29:32,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:29:32,737 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:29:32,739 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:29:33,137 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:29:33,301 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:29:33,301 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 03:29:33,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:29:33 BoogieIcfgContainer [2022-11-03 03:29:33,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:29:33,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:29:33,308 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:29:33,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:29:33,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:29:28" (1/3) ... [2022-11-03 03:29:33,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6334fd22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:29:33, skipping insertion in model container [2022-11-03 03:29:33,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:32" (2/3) ... [2022-11-03 03:29:33,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6334fd22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:29:33, skipping insertion in model container [2022-11-03 03:29:33,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:29:33" (3/3) ... [2022-11-03 03:29:33,316 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_linked_list_insert_after_harness.i [2022-11-03 03:29:33,340 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:29:33,340 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:29:33,402 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:29:33,411 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;@71372412, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:29:33,411 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:29:33,416 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 20 states have (on average 1.1) internal successors, (22), 21 states have internal predecessors, (22), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-03 03:29:33,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-03 03:29:33,426 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:33,427 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:29:33,427 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:29:33,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:33,434 INFO L85 PathProgramCache]: Analyzing trace with hash -144968383, now seen corresponding path program 1 times [2022-11-03 03:29:33,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:33,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7002059] [2022-11-03 03:29:33,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:33,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:29:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:40,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-03 03:29:40,778 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:29:40,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7002059] [2022-11-03 03:29:40,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7002059] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:29:40,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:29:40,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 03:29:40,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908414189] [2022-11-03 03:29:40,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:29:40,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 03:29:40,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:29:40,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 03:29:40,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:29:40,824 INFO L87 Difference]: Start difference. First operand has 46 states, 20 states have (on average 1.1) internal successors, (22), 21 states have internal predecessors, (22), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 8 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-03 03:29:41,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:29:41,441 INFO L93 Difference]: Finished difference Result 86 states and 124 transitions. [2022-11-03 03:29:41,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:29:41,446 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 19 [2022-11-03 03:29:41,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:29:41,458 INFO L225 Difference]: With dead ends: 86 [2022-11-03 03:29:41,458 INFO L226 Difference]: Without dead ends: 48 [2022-11-03 03:29:41,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-03 03:29:41,479 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 16 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:29:41,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 170 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 03:29:41,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-11-03 03:29:41,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-11-03 03:29:41,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 23 states have internal predecessors, (23), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-03 03:29:41,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 62 transitions. [2022-11-03 03:29:41,544 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 62 transitions. Word has length 19 [2022-11-03 03:29:41,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:29:41,545 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 62 transitions. [2022-11-03 03:29:41,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-03 03:29:41,545 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2022-11-03 03:29:41,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-03 03:29:41,547 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:41,547 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 03:29:41,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:29:41,548 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:29:41,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:41,549 INFO L85 PathProgramCache]: Analyzing trace with hash 728698747, now seen corresponding path program 1 times [2022-11-03 03:29:41,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:41,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693540227] [2022-11-03 03:29:41,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:41,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:29:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:45,486 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-03 03:29:45,486 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:29:45,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693540227] [2022-11-03 03:29:45,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693540227] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:29:45,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330735270] [2022-11-03 03:29:45,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:45,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:29:45,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:29:45,495 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:29:45,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 03:29:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:45,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 81 conjunts are in the unsatisfiable core [2022-11-03 03:29:45,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:29:46,027 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-03 03:29:46,050 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-03 03:29:46,051 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 44 [2022-11-03 03:29:46,071 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-03 03:29:46,071 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 27 [2022-11-03 03:29:46,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:46,796 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 81 [2022-11-03 03:29:46,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:46,819 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 122 [2022-11-03 03:29:46,887 INFO L356 Elim1Store]: treesize reduction 62, result has 25.3 percent of original size [2022-11-03 03:29:46,889 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: var is still there: v_arrayElimArr_3 input size 71 context size 71 output size 71 [2022-11-03 03:29:46,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1062103582] [2022-11-03 03:29:46,910 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2022-11-03 03:29:46,910 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:29:46,914 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:29:46,920 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:29:46,921 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:29:47,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:47,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:47,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:47,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:47,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:47,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:47,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:47,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:47,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:47,064 INFO L356 Elim1Store]: treesize reduction 26, result has 49.0 percent of original size [2022-11-03 03:29:47,065 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 83 [2022-11-03 03:29:47,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:47,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:47,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:47,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:47,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:47,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:47,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:47,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:47,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:47,145 INFO L356 Elim1Store]: treesize reduction 26, result has 49.0 percent of original size [2022-11-03 03:29:47,146 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 83 [2022-11-03 03:29:47,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:47,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:47,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:47,409 INFO L356 Elim1Store]: treesize reduction 200, result has 26.2 percent of original size [2022-11-03 03:29:47,410 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 38 treesize of output 96 [2022-11-03 03:29:47,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:47,470 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 7 [2022-11-03 03:29:47,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:47,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:47,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:47,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:47,509 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2022-11-03 03:29:47,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:47,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:47,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:47,858 INFO L356 Elim1Store]: treesize reduction 312, result has 20.2 percent of original size [2022-11-03 03:29:47,858 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 23 case distinctions, treesize of input 70 treesize of output 133 [2022-11-03 03:29:49,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:49,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:49,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:49,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:49,444 INFO L356 Elim1Store]: treesize reduction 276, result has 26.6 percent of original size [2022-11-03 03:29:49,445 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1201 treesize of output 882 [2022-11-03 03:29:49,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:49,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:49,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:49,684 INFO L356 Elim1Store]: treesize reduction 85, result has 29.2 percent of original size [2022-11-03 03:29:49,685 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 809 treesize of output 359 [2022-11-03 03:29:49,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:49,870 INFO L356 Elim1Store]: treesize reduction 48, result has 42.2 percent of original size [2022-11-03 03:29:49,870 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 210 treesize of output 92 [2022-11-03 03:29:49,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:50,008 INFO L356 Elim1Store]: treesize reduction 48, result has 42.2 percent of original size [2022-11-03 03:29:50,008 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 210 treesize of output 92 [2022-11-03 03:29:50,056 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 03:29:50,082 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 03:29:51,446 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 19 for LOIs [2022-11-03 03:29:51,455 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 51 for LOIs [2022-11-03 03:29:51,481 INFO L197 IcfgInterpreter]: Interpreting procedure aws_linked_list_node_prev_is_valid with input of size 20 for LOIs [2022-11-03 03:29:51,590 INFO L197 IcfgInterpreter]: Interpreting procedure aws_linked_list_node_next_is_valid with input of size 18 for LOIs [2022-11-03 03:29:51,703 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:29:54,977 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '318#(and (<= 0 |__VERIFIER_assert_#in~cond|) (= (mod __VERIFIER_assert_~cond 256) 0) (= |~#s_can_fail_allocator_static~0.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= ~tl_last_error~0 0) (= |#NULL.offset| 0) (= 5 |~#s_can_fail_allocator_static~0.base|) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-03 03:29:54,977 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 03:29:54,977 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:29:54,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2022-11-03 03:29:54,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254449425] [2022-11-03 03:29:54,978 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-03 03:29:54,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 03:29:54,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:29:54,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 03:29:54,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1086, Unknown=0, NotChecked=0, Total=1190 [2022-11-03 03:29:54,981 INFO L87 Difference]: Start difference. First operand 48 states and 62 transitions. Second operand has 13 states, 8 states have (on average 1.75) internal successors, (14), 10 states have internal predecessors, (14), 5 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-03 03:29:55,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:29:55,768 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2022-11-03 03:29:55,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 03:29:55,775 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 8 states have (on average 1.75) internal successors, (14), 10 states have internal predecessors, (14), 5 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 28 [2022-11-03 03:29:55,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:29:55,777 INFO L225 Difference]: With dead ends: 54 [2022-11-03 03:29:55,777 INFO L226 Difference]: Without dead ends: 52 [2022-11-03 03:29:55,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 14 SyntacticMatches, 5 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=131, Invalid=1351, Unknown=0, NotChecked=0, Total=1482 [2022-11-03 03:29:55,782 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 37 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:29:55,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 177 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 03:29:55,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-03 03:29:55,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-11-03 03:29:55,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 25 states have (on average 1.04) internal successors, (26), 26 states have internal predecessors, (26), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-03 03:29:55,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 65 transitions. [2022-11-03 03:29:55,814 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 65 transitions. Word has length 28 [2022-11-03 03:29:55,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:29:55,815 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 65 transitions. [2022-11-03 03:29:55,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 8 states have (on average 1.75) internal successors, (14), 10 states have internal predecessors, (14), 5 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-03 03:29:55,815 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 65 transitions. [2022-11-03 03:29:55,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-03 03:29:55,816 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:55,816 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-03 03:29:55,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 03:29:56,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-03 03:29:56,031 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:29:56,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:56,031 INFO L85 PathProgramCache]: Analyzing trace with hash 38185929, now seen corresponding path program 1 times [2022-11-03 03:29:56,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:56,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609295170] [2022-11-03 03:29:56,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:56,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:29:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:06,591 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 03:30:06,591 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:06,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609295170] [2022-11-03 03:30:06,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609295170] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:30:06,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323020339] [2022-11-03 03:30:06,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:06,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:30:06,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:30:06,596 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:30:06,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 03:30:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:06,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 93 conjunts are in the unsatisfiable core [2022-11-03 03:30:06,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:30:06,932 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-03 03:30:06,937 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 14 treesize of output 14 [2022-11-03 03:30:06,954 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-03 03:30:06,955 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 53 [2022-11-03 03:30:06,972 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-03 03:30:06,973 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 1 case distinctions, treesize of input 18 treesize of output 28 [2022-11-03 03:30:06,979 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 03:30:06,995 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-03 03:30:06,995 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 35 treesize of output 27 [2022-11-03 03:30:07,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:07,593 INFO L356 Elim1Store]: treesize reduction 41, result has 10.9 percent of original size [2022-11-03 03:30:07,594 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 187 treesize of output 159 [2022-11-03 03:30:07,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:07,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:07,609 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 119 [2022-11-03 03:30:07,624 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 115 [2022-11-03 03:30:07,633 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 112 [2022-11-03 03:30:07,644 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 67 [2022-11-03 03:30:07,696 INFO L356 Elim1Store]: treesize reduction 86, result has 19.6 percent of original size [2022-11-03 03:30:07,697 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: var is still there: v_arrayElimArr_12 input size 63 context size 63 output size 63 [2022-11-03 03:30:07,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [621270903] [2022-11-03 03:30:07,700 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2022-11-03 03:30:07,700 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:30:07,701 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:30:07,701 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:30:07,701 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:30:07,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:07,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:07,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:08,016 INFO L356 Elim1Store]: treesize reduction 312, result has 20.2 percent of original size [2022-11-03 03:30:08,017 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 23 case distinctions, treesize of input 70 treesize of output 133 [2022-11-03 03:30:08,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:08,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:08,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:08,056 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 16 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2022-11-03 03:30:08,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:08,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:08,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:08,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:08,081 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 23 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 75 [2022-11-03 03:30:08,106 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 7 [2022-11-03 03:30:08,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:08,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:08,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:08,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:08,126 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 23 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 75 [2022-11-03 03:30:08,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:08,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:08,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:08,154 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 31 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 56 [2022-11-03 03:30:08,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:08,894 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:30:08,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:08,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:30:09,222 INFO L356 Elim1Store]: treesize reduction 276, result has 26.6 percent of original size [2022-11-03 03:30:09,223 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 581 treesize of output 473 [2022-11-03 03:30:09,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:09,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:30:09,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:30:09,448 INFO L356 Elim1Store]: treesize reduction 85, result has 29.2 percent of original size [2022-11-03 03:30:09,448 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 196 treesize of output 111 [2022-11-03 03:30:09,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:09,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:09,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:30:09,687 INFO L356 Elim1Store]: treesize reduction 79, result has 41.9 percent of original size [2022-11-03 03:30:09,688 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 87 treesize of output 57 [2022-11-03 03:30:09,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:09,794 INFO L356 Elim1Store]: treesize reduction 48, result has 42.2 percent of original size [2022-11-03 03:30:09,794 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 45 treesize of output 35 [2022-11-03 03:30:09,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:09,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:09,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:30:09,834 INFO L356 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-03 03:30:09,834 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2022-11-03 03:30:11,303 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 19 for LOIs [2022-11-03 03:30:11,310 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 30 for LOIs [2022-11-03 03:30:11,315 INFO L197 IcfgInterpreter]: Interpreting procedure aws_linked_list_node_prev_is_valid with input of size 20 for LOIs [2022-11-03 03:30:11,380 INFO L197 IcfgInterpreter]: Interpreting procedure aws_linked_list_node_next_is_valid with input of size 180 for LOIs [2022-11-03 03:30:11,550 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:30:15,503 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '555#(and (<= 0 |__VERIFIER_assert_#in~cond|) (= (mod __VERIFIER_assert_~cond 256) 0) (= |~#s_can_fail_allocator_static~0.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= ~tl_last_error~0 0) (= |#NULL.offset| 0) (= 5 |~#s_can_fail_allocator_static~0.base|) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-03 03:30:15,504 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 03:30:15,504 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:30:15,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2022-11-03 03:30:15,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231613753] [2022-11-03 03:30:15,504 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-03 03:30:15,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 03:30:15,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:15,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 03:30:15,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=1274, Unknown=0, NotChecked=0, Total=1406 [2022-11-03 03:30:15,507 INFO L87 Difference]: Start difference. First operand 52 states and 65 transitions. Second operand has 14 states, 8 states have (on average 2.375) internal successors, (19), 11 states have internal predecessors, (19), 6 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2022-11-03 03:30:16,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:30:16,517 INFO L93 Difference]: Finished difference Result 59 states and 71 transitions. [2022-11-03 03:30:16,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 03:30:16,518 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 8 states have (on average 2.375) internal successors, (19), 11 states have internal predecessors, (19), 6 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) Word has length 37 [2022-11-03 03:30:16,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:30:16,519 INFO L225 Difference]: With dead ends: 59 [2022-11-03 03:30:16,519 INFO L226 Difference]: Without dead ends: 57 [2022-11-03 03:30:16,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 22 SyntacticMatches, 5 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=166, Invalid=1640, Unknown=0, NotChecked=0, Total=1806 [2022-11-03 03:30:16,521 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 49 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:30:16,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 157 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 03:30:16,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-03 03:30:16,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 56. [2022-11-03 03:30:16,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 28 states have (on average 1.0357142857142858) internal successors, (29), 29 states have internal predecessors, (29), 20 states have call successors, (20), 7 states have call predecessors, (20), 7 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-03 03:30:16,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 68 transitions. [2022-11-03 03:30:16,538 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 68 transitions. Word has length 37 [2022-11-03 03:30:16,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:30:16,539 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 68 transitions. [2022-11-03 03:30:16,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 8 states have (on average 2.375) internal successors, (19), 11 states have internal predecessors, (19), 6 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2022-11-03 03:30:16,539 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2022-11-03 03:30:16,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-03 03:30:16,540 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:16,540 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 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] [2022-11-03 03:30:16,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 03:30:16,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:30:16,743 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:30:16,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:16,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1828368370, now seen corresponding path program 1 times [2022-11-03 03:30:16,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:16,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123221109] [2022-11-03 03:30:16,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:16,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:17,373 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 03:30:17,374 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:17,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123221109] [2022-11-03 03:30:17,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123221109] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:30:17,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:30:17,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:30:17,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121935800] [2022-11-03 03:30:17,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:30:17,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:30:17,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:17,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:30:17,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:30:17,377 INFO L87 Difference]: Start difference. First operand 56 states and 68 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-03 03:30:17,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:30:17,595 INFO L93 Difference]: Finished difference Result 62 states and 73 transitions. [2022-11-03 03:30:17,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:30:17,596 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 43 [2022-11-03 03:30:17,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:30:17,597 INFO L225 Difference]: With dead ends: 62 [2022-11-03 03:30:17,597 INFO L226 Difference]: Without dead ends: 60 [2022-11-03 03:30:17,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:30:17,598 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 12 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:30:17,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 171 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:30:17,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-11-03 03:30:17,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2022-11-03 03:30:17,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 31 states have (on average 1.032258064516129) internal successors, (32), 32 states have internal predecessors, (32), 20 states have call successors, (20), 8 states have call predecessors, (20), 8 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-03 03:30:17,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 71 transitions. [2022-11-03 03:30:17,612 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 71 transitions. Word has length 43 [2022-11-03 03:30:17,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:30:17,613 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 71 transitions. [2022-11-03 03:30:17,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-03 03:30:17,613 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 71 transitions. [2022-11-03 03:30:17,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-03 03:30:17,614 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:17,615 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 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] [2022-11-03 03:30:17,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:30:17,615 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:30:17,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:17,616 INFO L85 PathProgramCache]: Analyzing trace with hash -835320286, now seen corresponding path program 1 times [2022-11-03 03:30:17,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:17,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57919432] [2022-11-03 03:30:17,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:17,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:20,566 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:30:20,566 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:20,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57919432] [2022-11-03 03:30:20,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57919432] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:30:20,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135476735] [2022-11-03 03:30:20,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:20,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:30:20,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:30:20,568 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:30:20,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 03:30:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:20,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 80 conjunts are in the unsatisfiable core [2022-11-03 03:30:20,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:30:23,461 INFO L356 Elim1Store]: treesize reduction 252, result has 36.5 percent of original size [2022-11-03 03:30:23,461 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: var is still there: |v_#memory_$Pointer$.base_45| input size 274 context size 274 output size 274 [2022-11-03 03:30:23,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1916648566] [2022-11-03 03:30:23,464 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2022-11-03 03:30:23,464 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:30:23,465 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:30:23,465 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:30:23,465 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:30:23,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:23,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:23,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:23,675 INFO L356 Elim1Store]: treesize reduction 200, result has 26.2 percent of original size [2022-11-03 03:30:23,675 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 38 treesize of output 96 [2022-11-03 03:30:23,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:23,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:23,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:23,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:23,722 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2022-11-03 03:30:23,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:23,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:23,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:23,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:23,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:23,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:23,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:23,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:23,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:30:23,788 INFO L356 Elim1Store]: treesize reduction 26, result has 49.0 percent of original size [2022-11-03 03:30:23,789 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 83 [2022-11-03 03:30:23,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:23,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:23,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:24,075 INFO L356 Elim1Store]: treesize reduction 312, result has 20.2 percent of original size [2022-11-03 03:30:24,076 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 23 case distinctions, treesize of input 70 treesize of output 133 [2022-11-03 03:30:24,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:24,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:24,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:24,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:24,123 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 23 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 75 [2022-11-03 03:30:24,160 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 7 [2022-11-03 03:30:24,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:24,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:30:24,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:24,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:30:25,204 INFO L356 Elim1Store]: treesize reduction 276, result has 26.6 percent of original size [2022-11-03 03:30:25,205 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1201 treesize of output 882 [2022-11-03 03:30:25,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:25,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:30:25,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:30:25,398 INFO L356 Elim1Store]: treesize reduction 85, result has 29.2 percent of original size [2022-11-03 03:30:25,399 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 809 treesize of output 359 [2022-11-03 03:30:25,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:25,564 INFO L356 Elim1Store]: treesize reduction 44, result has 44.3 percent of original size [2022-11-03 03:30:25,564 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 194 treesize of output 88 [2022-11-03 03:30:25,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:25,676 INFO L356 Elim1Store]: treesize reduction 44, result has 44.3 percent of original size [2022-11-03 03:30:25,676 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 194 treesize of output 88 [2022-11-03 03:30:25,705 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 03:30:25,727 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 03:30:27,038 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 35 for LOIs [2022-11-03 03:30:27,069 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 51 for LOIs [2022-11-03 03:30:27,091 INFO L197 IcfgInterpreter]: Interpreting procedure aws_linked_list_node_prev_is_valid with input of size 20 for LOIs [2022-11-03 03:30:27,154 INFO L197 IcfgInterpreter]: Interpreting procedure aws_linked_list_node_next_is_valid with input of size 34 for LOIs [2022-11-03 03:30:27,233 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:30:31,927 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '995#(and (<= 0 |#NULL.base|) (<= 0 |~#s_can_fail_allocator_static~0.offset|) (= (mod __VERIFIER_assert_~cond 256) 0) (<= 5 |~#s_can_fail_allocator_static~0.base|) (<= |~#s_can_fail_allocator_static~0.base| 5) (<= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= ~tl_last_error~0 0) (<= |#NULL.base| 0) (<= 0 ~tl_last_error~0) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) (<= |~#s_can_fail_allocator_static~0.offset| 0))' at error location [2022-11-03 03:30:31,927 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 03:30:31,927 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:30:31,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2022-11-03 03:30:31,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297300833] [2022-11-03 03:30:31,927 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-03 03:30:31,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 03:30:31,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:31,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 03:30:31,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=1568, Unknown=0, NotChecked=0, Total=1722 [2022-11-03 03:30:31,930 INFO L87 Difference]: Start difference. First operand 60 states and 71 transitions. Second operand has 14 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 11 states have internal predecessors, (21), 6 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2022-11-03 03:30:32,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:30:32,851 INFO L93 Difference]: Finished difference Result 67 states and 77 transitions. [2022-11-03 03:30:32,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:30:32,852 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 11 states have internal predecessors, (21), 6 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 52 [2022-11-03 03:30:32,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:30:32,853 INFO L225 Difference]: With dead ends: 67 [2022-11-03 03:30:32,853 INFO L226 Difference]: Without dead ends: 65 [2022-11-03 03:30:32,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 587 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=204, Invalid=2148, Unknown=0, NotChecked=0, Total=2352 [2022-11-03 03:30:32,855 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 45 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:30:32,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 163 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 03:30:32,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-11-03 03:30:32,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 64. [2022-11-03 03:30:32,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 34 states have (on average 1.0294117647058822) internal successors, (35), 35 states have internal predecessors, (35), 20 states have call successors, (20), 9 states have call predecessors, (20), 9 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-03 03:30:32,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 74 transitions. [2022-11-03 03:30:32,872 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 74 transitions. Word has length 52 [2022-11-03 03:30:32,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:30:32,873 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 74 transitions. [2022-11-03 03:30:32,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 11 states have internal predecessors, (21), 6 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2022-11-03 03:30:32,873 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 74 transitions. [2022-11-03 03:30:32,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-03 03:30:32,875 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:32,875 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 4, 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] [2022-11-03 03:30:32,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 03:30:33,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:30:33,089 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:30:33,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:33,089 INFO L85 PathProgramCache]: Analyzing trace with hash -50091799, now seen corresponding path program 1 times [2022-11-03 03:30:33,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:33,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216431394] [2022-11-03 03:30:33,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:33,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:36,072 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 11 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-03 03:30:36,073 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:36,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216431394] [2022-11-03 03:30:36,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216431394] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:30:36,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074955381] [2022-11-03 03:30:36,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:36,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:30:36,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:30:36,074 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:30:36,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 03:30:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:36,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 104 conjunts are in the unsatisfiable core [2022-11-03 03:30:36,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:30:39,860 INFO L356 Elim1Store]: treesize reduction 252, result has 36.5 percent of original size [2022-11-03 03:30:39,861 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: var is still there: |v_#memory_$Pointer$.base_48| input size 266 context size 266 output size 266 [2022-11-03 03:30:39,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [756169312] [2022-11-03 03:30:39,863 INFO L159 IcfgInterpreter]: Started Sifa with 34 locations of interest [2022-11-03 03:30:39,864 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:30:39,864 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:30:39,864 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:30:39,864 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:30:39,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:39,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:39,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:39,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:39,908 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2022-11-03 03:30:39,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:39,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:39,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:40,100 INFO L356 Elim1Store]: treesize reduction 200, result has 26.2 percent of original size [2022-11-03 03:30:40,101 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 38 treesize of output 96 [2022-11-03 03:30:40,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:40,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:40,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:40,384 INFO L356 Elim1Store]: treesize reduction 312, result has 20.2 percent of original size [2022-11-03 03:30:40,385 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 23 case distinctions, treesize of input 70 treesize of output 133 [2022-11-03 03:30:40,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:40,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:40,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:40,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:40,437 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 23 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 75 [2022-11-03 03:30:40,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:40,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:40,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:40,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:40,463 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 23 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 75 [2022-11-03 03:30:40,496 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 7 [2022-11-03 03:30:41,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:41,046 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:30:41,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:41,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:30:41,393 INFO L356 Elim1Store]: treesize reduction 276, result has 26.6 percent of original size [2022-11-03 03:30:41,393 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1201 treesize of output 882 [2022-11-03 03:30:41,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:41,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:30:41,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:30:41,593 INFO L356 Elim1Store]: treesize reduction 85, result has 29.2 percent of original size [2022-11-03 03:30:41,593 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 809 treesize of output 359 [2022-11-03 03:30:41,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:41,780 INFO L356 Elim1Store]: treesize reduction 44, result has 44.3 percent of original size [2022-11-03 03:30:41,781 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 194 treesize of output 88 [2022-11-03 03:30:41,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:41,888 INFO L356 Elim1Store]: treesize reduction 44, result has 44.3 percent of original size [2022-11-03 03:30:41,888 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 194 treesize of output 88 [2022-11-03 03:30:41,919 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 03:30:41,940 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 03:30:43,514 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 35 for LOIs [2022-11-03 03:30:43,545 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 15 for LOIs [2022-11-03 03:30:43,547 INFO L197 IcfgInterpreter]: Interpreting procedure aws_linked_list_node_prev_is_valid with input of size 34 for LOIs [2022-11-03 03:30:43,621 INFO L197 IcfgInterpreter]: Interpreting procedure aws_linked_list_node_next_is_valid with input of size 179 for LOIs [2022-11-03 03:30:43,774 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:30:49,079 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1277#(and (<= 0 |#NULL.base|) (<= 0 |~#s_can_fail_allocator_static~0.offset|) (= (mod __VERIFIER_assert_~cond 256) 0) (<= 5 |~#s_can_fail_allocator_static~0.base|) (<= |~#s_can_fail_allocator_static~0.base| 5) (<= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= ~tl_last_error~0 0) (<= |#NULL.base| 0) (<= 0 ~tl_last_error~0) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) (<= |~#s_can_fail_allocator_static~0.offset| 0))' at error location [2022-11-03 03:30:49,079 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 03:30:49,080 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:30:49,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2022-11-03 03:30:49,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799704564] [2022-11-03 03:30:49,080 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-03 03:30:49,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-03 03:30:49,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:49,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-03 03:30:49,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=1734, Unknown=0, NotChecked=0, Total=1892 [2022-11-03 03:30:49,082 INFO L87 Difference]: Start difference. First operand 64 states and 74 transitions. Second operand has 15 states, 10 states have (on average 2.2) internal successors, (22), 12 states have internal predecessors, (22), 7 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2022-11-03 03:30:49,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:30:49,978 INFO L93 Difference]: Finished difference Result 70 states and 79 transitions. [2022-11-03 03:30:49,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 03:30:49,979 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 10 states have (on average 2.2) internal successors, (22), 12 states have internal predecessors, (22), 7 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) Word has length 61 [2022-11-03 03:30:49,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:30:49,980 INFO L225 Difference]: With dead ends: 70 [2022-11-03 03:30:49,980 INFO L226 Difference]: Without dead ends: 68 [2022-11-03 03:30:49,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 39 SyntacticMatches, 6 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 763 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=202, Invalid=2248, Unknown=0, NotChecked=0, Total=2450 [2022-11-03 03:30:49,982 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 51 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:30:49,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 161 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 03:30:49,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-03 03:30:49,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-03 03:30:49,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 37 states have (on average 1.027027027027027) internal successors, (38), 38 states have internal predecessors, (38), 20 states have call successors, (20), 10 states have call predecessors, (20), 10 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-03 03:30:50,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 77 transitions. [2022-11-03 03:30:50,001 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 77 transitions. Word has length 61 [2022-11-03 03:30:50,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:30:50,001 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 77 transitions. [2022-11-03 03:30:50,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 10 states have (on average 2.2) internal successors, (22), 12 states have internal predecessors, (22), 7 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2022-11-03 03:30:50,002 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 77 transitions. [2022-11-03 03:30:50,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-03 03:30:50,003 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:50,003 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 5, 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] [2022-11-03 03:30:50,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 03:30:50,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:30:50,215 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:30:50,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:50,215 INFO L85 PathProgramCache]: Analyzing trace with hash -621999286, now seen corresponding path program 1 times [2022-11-03 03:30:50,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:50,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089049374] [2022-11-03 03:30:50,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:50,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:55,199 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 22 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-11-03 03:30:55,199 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:55,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089049374] [2022-11-03 03:30:55,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089049374] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:30:55,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191919817] [2022-11-03 03:30:55,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:55,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:30:55,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:30:55,202 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:30:55,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-03 03:30:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:55,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 100 conjunts are in the unsatisfiable core [2022-11-03 03:30:55,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:30:55,633 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-03 03:30:55,639 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 18 [2022-11-03 03:30:55,652 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-03 03:30:55,652 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2022-11-03 03:30:55,667 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-03 03:30:55,667 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 28 [2022-11-03 03:30:55,673 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 03:30:55,685 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-03 03:30:55,686 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 27 [2022-11-03 03:30:56,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:56,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:56,214 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 43 [2022-11-03 03:30:56,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:30:56,222 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 30 treesize of output 18 [2022-11-03 03:30:56,228 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 28 treesize of output 28 [2022-11-03 03:30:56,232 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-03 03:30:59,383 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 45 proven. 30 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-03 03:30:59,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:31:03,004 INFO L356 Elim1Store]: treesize reduction 17, result has 80.5 percent of original size [2022-11-03 03:31:03,004 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 94 treesize of output 131 [2022-11-03 03:31:04,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [191919817] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:31:04,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1616822276] [2022-11-03 03:31:04,173 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-11-03 03:31:04,173 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:31:04,173 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:31:04,173 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:31:04,174 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:31:04,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:04,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:04,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:04,443 INFO L356 Elim1Store]: treesize reduction 312, result has 20.2 percent of original size [2022-11-03 03:31:04,443 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 23 case distinctions, treesize of input 70 treesize of output 133 [2022-11-03 03:31:04,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:04,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:04,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:04,477 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 31 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 56 [2022-11-03 03:31:04,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:04,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:04,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:04,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:04,501 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 23 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 75 [2022-11-03 03:31:04,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:04,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:04,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:04,534 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 16 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2022-11-03 03:31:04,556 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 7 [2022-11-03 03:31:04,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:04,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:04,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:04,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:04,587 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 23 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 75 [2022-11-03 03:31:05,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:05,127 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:05,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:05,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:05,446 INFO L356 Elim1Store]: treesize reduction 276, result has 26.6 percent of original size [2022-11-03 03:31:05,446 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1201 treesize of output 882 [2022-11-03 03:31:05,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:05,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:05,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:05,636 INFO L356 Elim1Store]: treesize reduction 85, result has 29.2 percent of original size [2022-11-03 03:31:05,637 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 809 treesize of output 359 [2022-11-03 03:31:05,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:05,819 INFO L356 Elim1Store]: treesize reduction 44, result has 44.3 percent of original size [2022-11-03 03:31:05,819 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 194 treesize of output 88 [2022-11-03 03:31:05,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:05,939 INFO L356 Elim1Store]: treesize reduction 44, result has 44.3 percent of original size [2022-11-03 03:31:05,939 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 194 treesize of output 88 [2022-11-03 03:31:05,974 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 03:31:05,996 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 03:31:07,579 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 35 for LOIs [2022-11-03 03:31:07,602 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 30 for LOIs [2022-11-03 03:31:07,607 INFO L197 IcfgInterpreter]: Interpreting procedure aws_linked_list_node_prev_is_valid with input of size 34 for LOIs [2022-11-03 03:31:07,680 INFO L197 IcfgInterpreter]: Interpreting procedure aws_linked_list_node_next_is_valid with input of size 180 for LOIs [2022-11-03 03:31:07,868 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:31:15,431 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1872#(and (<= 0 |#NULL.base|) (<= 0 |~#s_can_fail_allocator_static~0.offset|) (= (mod __VERIFIER_assert_~cond 256) 0) (<= 5 |~#s_can_fail_allocator_static~0.base|) (<= |~#s_can_fail_allocator_static~0.base| 5) (<= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= ~tl_last_error~0 0) (<= |#NULL.base| 0) (<= 0 ~tl_last_error~0) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) (<= |~#s_can_fail_allocator_static~0.offset| 0))' at error location [2022-11-03 03:31:15,432 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 03:31:15,432 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:31:15,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2022-11-03 03:31:15,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035446001] [2022-11-03 03:31:15,432 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 03:31:15,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-11-03 03:31:15,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:15,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-03 03:31:15,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=266, Invalid=4024, Unknown=0, NotChecked=0, Total=4290 [2022-11-03 03:31:15,435 INFO L87 Difference]: Start difference. First operand 68 states and 77 transitions. Second operand has 29 states, 19 states have (on average 2.736842105263158) internal successors, (52), 24 states have internal predecessors, (52), 11 states have call successors, (31), 5 states have call predecessors, (31), 11 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2022-11-03 03:31:16,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:16,779 INFO L93 Difference]: Finished difference Result 82 states and 86 transitions. [2022-11-03 03:31:16,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-03 03:31:16,780 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 19 states have (on average 2.736842105263158) internal successors, (52), 24 states have internal predecessors, (52), 11 states have call successors, (31), 5 states have call predecessors, (31), 11 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 70 [2022-11-03 03:31:16,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:16,781 INFO L225 Difference]: With dead ends: 82 [2022-11-03 03:31:16,781 INFO L226 Difference]: Without dead ends: 80 [2022-11-03 03:31:16,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 101 SyntacticMatches, 34 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2343 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=351, Invalid=5349, Unknown=0, NotChecked=0, Total=5700 [2022-11-03 03:31:16,784 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 17 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 178 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:16,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 403 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 378 Invalid, 0 Unknown, 178 Unchecked, 0.6s Time] [2022-11-03 03:31:16,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-03 03:31:16,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-11-03 03:31:16,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 44 states have (on average 1.0227272727272727) internal successors, (45), 45 states have internal predecessors, (45), 20 states have call successors, (20), 15 states have call predecessors, (20), 15 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-03 03:31:16,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 84 transitions. [2022-11-03 03:31:16,806 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 84 transitions. Word has length 70 [2022-11-03 03:31:16,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:16,806 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 84 transitions. [2022-11-03 03:31:16,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 19 states have (on average 2.736842105263158) internal successors, (52), 24 states have internal predecessors, (52), 11 states have call successors, (31), 5 states have call predecessors, (31), 11 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2022-11-03 03:31:16,807 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 84 transitions. [2022-11-03 03:31:16,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-03 03:31:16,808 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:16,808 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 5, 3, 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] [2022-11-03 03:31:16,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-03 03:31:17,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-03 03:31:17,024 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:31:17,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:17,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1578324213, now seen corresponding path program 1 times [2022-11-03 03:31:17,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:17,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892226324] [2022-11-03 03:31:17,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:17,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:27,222 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 33 proven. 20 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-11-03 03:31:27,223 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:27,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892226324] [2022-11-03 03:31:27,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892226324] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:31:27,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297860343] [2022-11-03 03:31:27,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:27,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:31:27,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:31:27,227 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:31:27,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-03 03:31:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:27,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 126 conjunts are in the unsatisfiable core [2022-11-03 03:31:27,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:31:27,712 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 03:31:27,712 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2022-11-03 03:31:27,739 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-03 03:31:27,746 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-03 03:31:27,766 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-03 03:31:27,773 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-03 03:31:28,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:28,805 INFO L356 Elim1Store]: treesize reduction 41, result has 10.9 percent of original size [2022-11-03 03:31:28,805 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 312 treesize of output 232 [2022-11-03 03:31:28,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:28,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:28,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:28,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:28,822 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 223 treesize of output 217 [2022-11-03 03:31:28,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:28,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:28,834 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 223 treesize of output 213 [2022-11-03 03:31:28,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:28,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:28,848 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 219 treesize of output 210 [2022-11-03 03:31:28,858 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 199 treesize of output 185 [2022-11-03 03:31:28,981 INFO L356 Elim1Store]: treesize reduction 126, result has 24.6 percent of original size [2022-11-03 03:31:28,982 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: var is still there: v_arrayElimArr_47 input size 96 context size 96 output size 96 [2022-11-03 03:31:28,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [384515228] [2022-11-03 03:31:28,984 INFO L159 IcfgInterpreter]: Started Sifa with 40 locations of interest [2022-11-03 03:31:28,984 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:31:28,985 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:31:28,985 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:31:28,985 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:31:29,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:29,036 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 7 [2022-11-03 03:31:29,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:29,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:29,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:29,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:29,057 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2022-11-03 03:31:29,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:29,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:29,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:29,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:29,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:29,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:29,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:29,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:29,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:29,111 INFO L356 Elim1Store]: treesize reduction 26, result has 49.0 percent of original size [2022-11-03 03:31:29,111 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 83 [2022-11-03 03:31:29,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:29,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:29,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:29,431 INFO L356 Elim1Store]: treesize reduction 312, result has 20.2 percent of original size [2022-11-03 03:31:29,431 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 23 case distinctions, treesize of input 70 treesize of output 133 [2022-11-03 03:31:29,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:29,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:29,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:29,472 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 31 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 56 [2022-11-03 03:31:29,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:29,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:29,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:29,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:29,503 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 23 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 75 [2022-11-03 03:31:30,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:30,139 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:30,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:30,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:30,460 INFO L356 Elim1Store]: treesize reduction 276, result has 26.6 percent of original size [2022-11-03 03:31:30,460 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1201 treesize of output 882 [2022-11-03 03:31:30,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:30,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:30,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:30,667 INFO L356 Elim1Store]: treesize reduction 85, result has 29.2 percent of original size [2022-11-03 03:31:30,667 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 809 treesize of output 359 [2022-11-03 03:31:30,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:30,817 INFO L356 Elim1Store]: treesize reduction 48, result has 42.2 percent of original size [2022-11-03 03:31:30,817 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 210 treesize of output 92 [2022-11-03 03:31:30,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:30,921 INFO L356 Elim1Store]: treesize reduction 48, result has 42.2 percent of original size [2022-11-03 03:31:30,921 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 210 treesize of output 92 [2022-11-03 03:31:30,955 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 03:31:30,974 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 03:31:32,934 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 35 for LOIs [2022-11-03 03:31:32,961 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 51 for LOIs [2022-11-03 03:31:32,979 INFO L197 IcfgInterpreter]: Interpreting procedure aws_linked_list_node_prev_is_valid with input of size 34 for LOIs [2022-11-03 03:31:33,051 INFO L197 IcfgInterpreter]: Interpreting procedure aws_linked_list_node_next_is_valid with input of size 15 for LOIs [2022-11-03 03:31:33,111 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:31:39,649 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2214#(and (<= 0 |#NULL.base|) (<= 0 |~#s_can_fail_allocator_static~0.offset|) (= (mod __VERIFIER_assert_~cond 256) 0) (<= 5 |~#s_can_fail_allocator_static~0.base|) (<= |~#s_can_fail_allocator_static~0.base| 5) (<= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= ~tl_last_error~0 0) (<= |#NULL.base| 0) (<= 0 ~tl_last_error~0) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) (<= |~#s_can_fail_allocator_static~0.offset| 0))' at error location [2022-11-03 03:31:39,649 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 03:31:39,649 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:31:39,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2022-11-03 03:31:39,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182699338] [2022-11-03 03:31:39,649 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-03 03:31:39,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-03 03:31:39,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:39,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-03 03:31:39,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=2663, Unknown=0, NotChecked=0, Total=2862 [2022-11-03 03:31:39,652 INFO L87 Difference]: Start difference. First operand 80 states and 84 transitions. Second operand has 20 states, 11 states have (on average 2.272727272727273) internal successors, (25), 16 states have internal predecessors, (25), 11 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (17), 8 states have call predecessors, (17), 10 states have call successors, (17) [2022-11-03 03:31:41,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:41,694 INFO L93 Difference]: Finished difference Result 87 states and 90 transitions. [2022-11-03 03:31:41,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 03:31:41,694 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 11 states have (on average 2.272727272727273) internal successors, (25), 16 states have internal predecessors, (25), 11 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (17), 8 states have call predecessors, (17), 10 states have call successors, (17) Word has length 79 [2022-11-03 03:31:41,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:41,696 INFO L225 Difference]: With dead ends: 87 [2022-11-03 03:31:41,696 INFO L226 Difference]: Without dead ends: 85 [2022-11-03 03:31:41,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 50 SyntacticMatches, 13 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1398 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=275, Invalid=3631, Unknown=0, NotChecked=0, Total=3906 [2022-11-03 03:31:41,698 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 35 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:41,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 175 Invalid, 773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 704 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-03 03:31:41,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-11-03 03:31:41,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 84. [2022-11-03 03:31:41,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 47 states have (on average 1.0212765957446808) internal successors, (48), 48 states have internal predecessors, (48), 20 states have call successors, (20), 16 states have call predecessors, (20), 16 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-03 03:31:41,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 87 transitions. [2022-11-03 03:31:41,739 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 87 transitions. Word has length 79 [2022-11-03 03:31:41,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:41,740 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 87 transitions. [2022-11-03 03:31:41,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 11 states have (on average 2.272727272727273) internal successors, (25), 16 states have internal predecessors, (25), 11 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (17), 8 states have call predecessors, (17), 10 states have call successors, (17) [2022-11-03 03:31:41,740 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 87 transitions. [2022-11-03 03:31:41,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-03 03:31:41,742 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:41,742 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 5, 3, 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] [2022-11-03 03:31:41,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-03 03:31:41,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:31:41,955 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:31:41,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:41,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1378968672, now seen corresponding path program 1 times [2022-11-03 03:31:41,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:41,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911198473] [2022-11-03 03:31:41,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:41,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:42,766 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-11-03 03:31:42,767 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:42,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911198473] [2022-11-03 03:31:42,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911198473] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:42,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:31:42,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 03:31:42,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916538363] [2022-11-03 03:31:42,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:42,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 03:31:42,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:42,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 03:31:42,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:31:42,769 INFO L87 Difference]: Start difference. First operand 84 states and 87 transitions. Second operand has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 4 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-03 03:31:43,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:43,110 INFO L93 Difference]: Finished difference Result 90 states and 92 transitions. [2022-11-03 03:31:43,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:31:43,110 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 4 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 85 [2022-11-03 03:31:43,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:43,111 INFO L225 Difference]: With dead ends: 90 [2022-11-03 03:31:43,112 INFO L226 Difference]: Without dead ends: 86 [2022-11-03 03:31:43,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-03 03:31:43,112 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 22 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:43,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 167 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:31:43,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-11-03 03:31:43,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2022-11-03 03:31:43,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 49 states have (on average 1.0) internal successors, (49), 49 states have internal predecessors, (49), 20 states have call successors, (20), 17 states have call predecessors, (20), 16 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-03 03:31:43,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 88 transitions. [2022-11-03 03:31:43,136 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 88 transitions. Word has length 85 [2022-11-03 03:31:43,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:43,137 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 88 transitions. [2022-11-03 03:31:43,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 4 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-03 03:31:43,137 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 88 transitions. [2022-11-03 03:31:43,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-03 03:31:43,139 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:43,139 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 5, 3, 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] [2022-11-03 03:31:43,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 03:31:43,139 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:31:43,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:43,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1726558861, now seen corresponding path program 1 times [2022-11-03 03:31:43,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:43,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914042831] [2022-11-03 03:31:43,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:43,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:46,737 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-11-03 03:31:46,737 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:46,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914042831] [2022-11-03 03:31:46,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914042831] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:46,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:31:46,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 03:31:46,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192532029] [2022-11-03 03:31:46,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:46,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 03:31:46,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:46,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 03:31:46,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:31:46,739 INFO L87 Difference]: Start difference. First operand 86 states and 88 transitions. Second operand has 10 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 6 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 4 states have call predecessors, (19), 5 states have call successors, (19) [2022-11-03 03:31:47,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:47,126 INFO L93 Difference]: Finished difference Result 86 states and 88 transitions. [2022-11-03 03:31:47,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:31:47,127 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 6 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 4 states have call predecessors, (19), 5 states have call successors, (19) Word has length 91 [2022-11-03 03:31:47,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:47,127 INFO L225 Difference]: With dead ends: 86 [2022-11-03 03:31:47,128 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 03:31:47,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-03 03:31:47,129 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 18 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:47,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 143 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:31:47,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 03:31:47,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 03:31:47,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:31:47,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 03:31:47,130 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2022-11-03 03:31:47,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:47,130 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 03:31:47,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 6 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 4 states have call predecessors, (19), 5 states have call successors, (19) [2022-11-03 03:31:47,131 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 03:31:47,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 03:31:47,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 03:31:47,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 03:31:47,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 03:31:50,471 INFO L899 garLoopResultBuilder]: For program point aws_linked_list_node_next_is_validEXIT(lines 4717 4721) no Hoare annotation was computed. [2022-11-03 03:31:50,471 INFO L902 garLoopResultBuilder]: At program point aws_linked_list_node_next_is_validENTRY(lines 4717 4721) the Hoare annotation is: true [2022-11-03 03:31:50,471 INFO L899 garLoopResultBuilder]: For program point aws_linked_list_node_prev_is_validEXIT(lines 4728 4732) no Hoare annotation was computed. [2022-11-03 03:31:50,471 INFO L902 garLoopResultBuilder]: At program point aws_linked_list_node_prev_is_validENTRY(lines 4728 4732) the Hoare annotation is: true [2022-11-03 03:31:50,471 INFO L899 garLoopResultBuilder]: For program point L4864-1(lines 4864 4866) no Hoare annotation was computed. [2022-11-03 03:31:50,471 INFO L895 garLoopResultBuilder]: At program point L7391-1(line 7391) the Hoare annotation is: (let ((.cse3 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|))) (let ((.cse0 (+ |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| 8)) (.cse1 (select .cse3 |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (.cse2 (select .cse3 8))) (and (<= |ULTIMATE.start_aws_linked_list_insert_after_harness_#t~ret676#1| 1) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|)) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) .cse0) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (<= 1 |ULTIMATE.start_aws_linked_list_insert_after_harness_#t~ret676#1|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| 0) (= .cse1 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) .cse0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) 8)) .cse2) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| .cse1) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| 0)) (= .cse2 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| 0))))) [2022-11-03 03:31:50,472 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 03:31:50,472 INFO L895 garLoopResultBuilder]: At program point L7391(line 7391) the Hoare annotation is: (let ((.cse3 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|))) (let ((.cse1 (select .cse3 |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (.cse0 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|)) (.cse2 (select .cse3 8))) (and (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|)) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| (select .cse0 |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) (+ |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| 8)) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| 0) (= .cse1 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) 8)) .cse2) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|) (<= 2 |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| .cse1) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| (select (select |#memory_$Pointer$.base| (select .cse0 |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|) 8))) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| 0)) (= .cse2 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| 0))))) [2022-11-03 03:31:50,472 INFO L895 garLoopResultBuilder]: At program point L4864(lines 4864 4866) the Hoare annotation is: (let ((.cse3 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|)) (.cse0 (select .cse3 |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|)) (.cse2 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|))) (and (= .cse0 |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|) (= |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset| (select (select |#memory_$Pointer$.offset| .cse1) (+ .cse2 8))) (= |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|)) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| .cse1)) (= (select (select |#memory_$Pointer$.base| (select .cse3 |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base| .cse0)) (<= 2 |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= .cse2 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| 0)) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| 0))))) [2022-11-03 03:31:50,472 INFO L899 garLoopResultBuilder]: For program point L7389-2(line 7389) no Hoare annotation was computed. [2022-11-03 03:31:50,472 INFO L895 garLoopResultBuilder]: At program point L7389-1(line 7389) the Hoare annotation is: (let ((.cse3 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|))) (let ((.cse1 (select .cse3 |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (.cse0 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|)) (.cse2 (select .cse3 8))) (and (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (<= 1 |ULTIMATE.start_aws_linked_list_insert_after_harness_#t~ret674#1|) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|)) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| (select .cse0 |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) (+ |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| 8)) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|) (<= |ULTIMATE.start_aws_linked_list_insert_after_harness_#t~ret674#1| 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| 0) (= .cse1 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) 8)) .cse2) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|) (<= 2 |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| .cse1) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| (select (select |#memory_$Pointer$.base| (select .cse0 |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|) 8))) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| 0)) (= .cse2 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| 0))))) [2022-11-03 03:31:50,473 INFO L895 garLoopResultBuilder]: At program point L7389(line 7389) the Hoare annotation is: (let ((.cse3 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|))) (let ((.cse1 (select .cse3 |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (.cse0 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|)) (.cse2 (select .cse3 8))) (and (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|)) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| (select .cse0 |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) (+ |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| 8)) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| 0) (= .cse1 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) 8)) .cse2) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|) (<= 2 |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| .cse1) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| (select (select |#memory_$Pointer$.base| (select .cse0 |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|) 8))) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| 0)) (= .cse2 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| 0))))) [2022-11-03 03:31:50,473 INFO L899 garLoopResultBuilder]: For program point L7391-2(line 7391) no Hoare annotation was computed. [2022-11-03 03:31:50,473 INFO L895 garLoopResultBuilder]: At program point L4871(line 4871) the Hoare annotation is: (let ((.cse5 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|)) (.cse3 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|)) (.cse0 (select .cse3 |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (.cse2 (select .cse5 |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (.cse4 (select .cse5 8))) (and (= .cse0 |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| (select (select |#memory_$Pointer$.base| .cse1) 8)) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|)) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|) (= .cse1 |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base| (select (select |#memory_$Pointer$.base| .cse0) (+ 8 .cse2))) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) (+ |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| 8))) (= (select (select |#memory_$Pointer$.offset| (select .cse3 8)) .cse4) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|) (<= 2 |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| .cse2) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| 0)) (= .cse4 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|)))) [2022-11-03 03:31:50,473 INFO L899 garLoopResultBuilder]: For program point L4873-2(line 4873) no Hoare annotation was computed. [2022-11-03 03:31:50,473 INFO L895 garLoopResultBuilder]: At program point L4871-1(line 4871) the Hoare annotation is: (let ((.cse5 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|)) (.cse6 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|))) (let ((.cse0 (select .cse6 |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (.cse1 (+ |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| 8)) (.cse3 (select .cse6 8)) (.cse2 (select .cse5 |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (.cse4 (select .cse5 8))) (and (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) 8)) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) 8)) (= .cse0 |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) .cse1) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|) (<= 1 |ULTIMATE.start_aws_linked_list_insert_after_#t~ret342#1|) (= .cse2 0) (<= |ULTIMATE.start_aws_linked_list_insert_after_#t~ret342#1| 1) (= |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base| (select (select |#memory_$Pointer$.base| .cse0) (+ 8 .cse2))) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) .cse1)) (= (select (select |#memory_$Pointer$.offset| .cse3) .cse4) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|) (<= 2 |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) (= (select (select |#memory_$Pointer$.base| .cse3) 0) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| .cse2) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| 0)) (= .cse4 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| 0))))) [2022-11-03 03:31:50,474 INFO L895 garLoopResultBuilder]: At program point L4873(line 4873) the Hoare annotation is: (let ((.cse3 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|))) (let ((.cse0 (+ |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| 8)) (.cse1 (select .cse3 |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (.cse2 (select .cse3 8))) (and (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|)) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) .cse0) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| 0) (= .cse1 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) .cse0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) 8)) .cse2) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|) (<= 2 |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| .cse1) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| 0)) (= .cse2 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| 0))))) [2022-11-03 03:31:50,474 INFO L895 garLoopResultBuilder]: At program point L4873-1(line 4873) the Hoare annotation is: (let ((.cse3 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|))) (let ((.cse0 (+ |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| 8)) (.cse1 (select .cse3 |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (.cse2 (select .cse3 8))) (and (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|)) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) .cse0) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| 0) (= .cse1 0) (<= |ULTIMATE.start_aws_linked_list_insert_after_#t~ret344#1| 1) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) .cse0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) 8)) .cse2) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|) (<= 2 |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| .cse1) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| 0)) (<= 1 |ULTIMATE.start_aws_linked_list_insert_after_#t~ret344#1|) (= .cse2 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| 0))))) [2022-11-03 03:31:50,474 INFO L895 garLoopResultBuilder]: At program point L7394(line 7394) the Hoare annotation is: (let ((.cse3 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|))) (let ((.cse0 (+ |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| 8)) (.cse1 (select .cse3 |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (.cse2 (select .cse3 8))) (and (= |ULTIMATE.start_aws_linked_list_insert_after_harness_#t~mem678#1.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|)) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) .cse0) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| 0) (= .cse1 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) .cse0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) 8)) .cse2) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| .cse1) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_#t~mem678#1.base|) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| 0)) (= .cse2 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| 0))))) [2022-11-03 03:31:50,474 INFO L899 garLoopResultBuilder]: For program point L4871-2(line 4871) no Hoare annotation was computed. [2022-11-03 03:31:50,474 INFO L895 garLoopResultBuilder]: At program point L4863(line 4863) the Hoare annotation is: (let ((.cse3 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|)) (.cse0 (select .cse3 |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|)) (.cse2 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|))) (and (= .cse0 |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|) (= |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset| (select (select |#memory_$Pointer$.offset| .cse1) (+ .cse2 8))) (= |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|)) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| .cse1)) (= (select (select |#memory_$Pointer$.base| (select .cse3 |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base| .cse0)) (<= 2 |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= .cse2 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| 0)) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| 0))))) [2022-11-03 03:31:50,475 INFO L895 garLoopResultBuilder]: At program point L7390(line 7390) the Hoare annotation is: (let ((.cse3 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|))) (let ((.cse1 (select .cse3 |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (.cse0 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|)) (.cse2 (select .cse3 8))) (and (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|)) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| (select .cse0 |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) (+ |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| 8)) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| 0) (= .cse1 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) 8)) .cse2) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|) (<= 2 |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| .cse1) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| (select (select |#memory_$Pointer$.base| (select .cse0 |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|) 8))) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| 0)) (= .cse2 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| 0))))) [2022-11-03 03:31:50,475 INFO L899 garLoopResultBuilder]: For program point L7392-2(line 7392) no Hoare annotation was computed. [2022-11-03 03:31:50,475 INFO L895 garLoopResultBuilder]: At program point L4863-1(line 4863) the Hoare annotation is: (let ((.cse3 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|)) (.cse0 (select .cse3 |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|)) (.cse2 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|))) (and (= .cse0 |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|) (= |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset| (select (select |#memory_$Pointer$.offset| .cse1) (+ .cse2 8))) (= |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|)) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| .cse1)) (= (select (select |#memory_$Pointer$.base| (select .cse3 |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base| .cse0)) (<= 2 |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= .cse2 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| 0)) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| 0))))) [2022-11-03 03:31:50,475 INFO L895 garLoopResultBuilder]: At program point L7392-1(line 7392) the Hoare annotation is: (let ((.cse3 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|))) (let ((.cse0 (+ |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| 8)) (.cse1 (select .cse3 |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (.cse2 (select .cse3 8))) (and (<= 1 |ULTIMATE.start_aws_linked_list_insert_after_harness_#t~ret677#1|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|)) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) .cse0) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (<= |ULTIMATE.start_aws_linked_list_insert_after_harness_#t~ret677#1| 1) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| 0) (= .cse1 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) .cse0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) 8)) .cse2) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| .cse1) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| 0)) (= .cse2 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| 0))))) [2022-11-03 03:31:50,475 INFO L895 garLoopResultBuilder]: At program point L7392(line 7392) the Hoare annotation is: (let ((.cse3 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|))) (let ((.cse0 (+ |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| 8)) (.cse1 (select .cse3 |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (.cse2 (select .cse3 8))) (and (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|)) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) .cse0) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| 0) (= .cse1 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) .cse0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) 8)) .cse2) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| .cse1) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| 0)) (= .cse2 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| 0))))) [2022-11-03 03:31:50,476 INFO L899 garLoopResultBuilder]: For program point L7394-1(line 7394) no Hoare annotation was computed. [2022-11-03 03:31:50,476 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-03 03:31:50,476 INFO L899 garLoopResultBuilder]: For program point L4863-2(line 4863) no Hoare annotation was computed. [2022-11-03 03:31:50,476 INFO L899 garLoopResultBuilder]: For program point L7390-2(line 7390) no Hoare annotation was computed. [2022-11-03 03:31:50,476 INFO L895 garLoopResultBuilder]: At program point L7390-1(line 7390) the Hoare annotation is: (let ((.cse3 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|))) (let ((.cse1 (select .cse3 |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (.cse0 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|)) (.cse2 (select .cse3 8))) (and (<= 1 |ULTIMATE.start_aws_linked_list_insert_after_harness_#t~ret675#1|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|)) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| (select .cse0 |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (<= |ULTIMATE.start_aws_linked_list_insert_after_harness_#t~ret675#1| 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) (+ |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| 8)) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| 0) (= .cse1 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) 8)) .cse2) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|) (<= 2 |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| .cse1) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| (select (select |#memory_$Pointer$.base| (select .cse0 |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|) 8))) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| 0)) (= .cse2 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| 0))))) [2022-11-03 03:31:50,476 INFO L895 garLoopResultBuilder]: At program point L4874(line 4874) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|)) (.cse3 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|))) (let ((.cse2 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|)) (.cse1 (select .cse3 8)) (.cse4 (select .cse0 |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|))) (and (= |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base| |ULTIMATE.start_aws_linked_list_insert_after_#t~mem345#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|)) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| (select .cse0 |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_insert_after_#t~mem345#1.offset| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) 8)) .cse1) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|) (<= 2 |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) (= (select .cse2 |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| (select .cse3 |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| (select (select |#memory_$Pointer$.base| .cse4) (+ (select .cse2 |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|) 8))) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| 0)) (= .cse1 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| .cse4) 8) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|)))) [2022-11-03 03:31:50,477 INFO L895 garLoopResultBuilder]: At program point L4872-1(line 4872) the Hoare annotation is: (let ((.cse3 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|))) (let ((.cse0 (+ |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| 8)) (.cse1 (select .cse3 |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (.cse2 (select .cse3 8))) (and (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|)) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) .cse0) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| 0) (= .cse1 0) (<= |ULTIMATE.start_aws_linked_list_insert_after_#t~ret343#1| 1) (<= 1 |ULTIMATE.start_aws_linked_list_insert_after_#t~ret343#1|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) .cse0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) 8)) .cse2) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|) (<= 2 |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| .cse1) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| 0)) (= .cse2 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| 0))))) [2022-11-03 03:31:50,477 INFO L899 garLoopResultBuilder]: For program point L4872-2(line 4872) no Hoare annotation was computed. [2022-11-03 03:31:50,477 INFO L899 garLoopResultBuilder]: For program point L4874-1(line 4874) no Hoare annotation was computed. [2022-11-03 03:31:50,477 INFO L895 garLoopResultBuilder]: At program point L4872(line 4872) the Hoare annotation is: (let ((.cse3 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|))) (let ((.cse0 (+ |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| 8)) (.cse1 (select .cse3 |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (.cse2 (select .cse3 8))) (and (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|)) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) .cse0) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| 0) (= .cse1 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) .cse0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) 8)) .cse2) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|) (<= 2 |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| .cse1) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| 0)) (= .cse2 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| 0))))) [2022-11-03 03:31:50,478 INFO L895 garLoopResultBuilder]: At program point L7395-1(line 7395) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|))) (and (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| (select (select |#memory_$Pointer$.offset| .cse0) 8)) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| (select (select |#memory_$Pointer$.base| .cse0) 8)) (not (= .cse0 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| 0)))) [2022-11-03 03:31:50,478 INFO L895 garLoopResultBuilder]: At program point L7395(line 7395) the Hoare annotation is: (let ((.cse3 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|))) (let ((.cse0 (+ |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| 8)) (.cse1 (select .cse3 |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (.cse2 (select .cse3 8))) (and (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_#t~mem679#1.base|) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|)) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_#t~mem679#1.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) .cse0) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset| 0) (= .cse1 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base|) .cse0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base|) 8)) .cse2) |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.offset|) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#to_add~0#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.offset| .cse1) (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after~0#1.base|) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~to_add#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base|) |ULTIMATE.start_aws_linked_list_insert_after_~after#1.offset|) 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_harness_~#after_next~0#1.base| 0)) (= .cse2 0) (not (= |ULTIMATE.start_aws_linked_list_insert_after_~after#1.base| 0))))) [2022-11-03 03:31:50,478 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-11-03 03:31:50,478 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-11-03 03:31:50,478 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-11-03 03:31:50,479 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-11-03 03:31:50,479 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-11-03 03:31:50,479 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-11-03 03:31:50,479 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-11-03 03:31:50,479 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-11-03 03:31:50,483 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:31:50,485 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 03:31:50,496 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-03 03:31:50,497 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:50,498 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:50,498 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:50,498 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:50,499 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-03 03:31:50,504 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-03 03:31:50,504 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:50,504 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:50,504 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:50,505 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:50,505 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-03 03:31:50,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:31:50 BoogieIcfgContainer [2022-11-03 03:31:50,507 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 03:31:50,508 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 03:31:50,508 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 03:31:50,508 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 03:31:50,509 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:29:33" (3/4) ... [2022-11-03 03:31:50,512 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 03:31:50,519 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_linked_list_node_next_is_valid [2022-11-03 03:31:50,519 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_linked_list_node_prev_is_valid [2022-11-03 03:31:50,520 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-03 03:31:50,520 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-03 03:31:50,525 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2022-11-03 03:31:50,525 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-03 03:31:50,526 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-03 03:31:50,526 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 03:31:50,571 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 03:31:50,571 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 03:31:50,572 INFO L158 Benchmark]: Toolchain (without parser) took 141721.24ms. Allocated memory was 115.3MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 75.7MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. [2022-11-03 03:31:50,572 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 79.7MB. Free memory was 33.7MB in the beginning and 33.7MB in the end (delta: 40.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:31:50,573 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3251.56ms. Allocated memory was 115.3MB in the beginning and 153.1MB in the end (delta: 37.7MB). Free memory was 75.5MB in the beginning and 81.4MB in the end (delta: -5.9MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2022-11-03 03:31:50,573 INFO L158 Benchmark]: Boogie Procedure Inliner took 173.67ms. Allocated memory is still 153.1MB. Free memory was 81.4MB in the beginning and 76.5MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 03:31:50,573 INFO L158 Benchmark]: Boogie Preprocessor took 53.44ms. Allocated memory is still 153.1MB. Free memory was 76.5MB in the beginning and 73.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 03:31:50,574 INFO L158 Benchmark]: RCFGBuilder took 970.76ms. Allocated memory is still 153.1MB. Free memory was 73.8MB in the beginning and 86.6MB in the end (delta: -12.7MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-11-03 03:31:50,574 INFO L158 Benchmark]: TraceAbstraction took 137199.86ms. Allocated memory was 153.1MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 85.3MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 730.5MB. Max. memory is 16.1GB. [2022-11-03 03:31:50,574 INFO L158 Benchmark]: Witness Printer took 63.93ms. Allocated memory is still 1.2GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 03:31:50,576 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 79.7MB. Free memory was 33.7MB in the beginning and 33.7MB in the end (delta: 40.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3251.56ms. Allocated memory was 115.3MB in the beginning and 153.1MB in the end (delta: 37.7MB). Free memory was 75.5MB in the beginning and 81.4MB in the end (delta: -5.9MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 173.67ms. Allocated memory is still 153.1MB. Free memory was 81.4MB in the beginning and 76.5MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.44ms. Allocated memory is still 153.1MB. Free memory was 76.5MB in the beginning and 73.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 970.76ms. Allocated memory is still 153.1MB. Free memory was 73.8MB in the beginning and 86.6MB in the end (delta: -12.7MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * TraceAbstraction took 137199.86ms. Allocated memory was 153.1MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 85.3MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 730.5MB. Max. memory is 16.1GB. * Witness Printer took 63.93ms. Allocated memory is still 1.2GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 137.1s, OverallIterations: 10, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 345 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 302 mSDsluCounter, 1887 SdHoareTripleChecker+Invalid, 4.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 178 IncrementalHoareTripleChecker+Unchecked, 1747 mSDsCounter, 421 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3415 IncrementalHoareTripleChecker+Invalid, 4014 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 421 mSolverCounterUnsat, 393 mSDtfsCounter, 3415 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 682 GetRequests, 277 SyntacticMatches, 63 SemanticMatches, 342 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5881 ImplicationChecksByTransitivity, 40.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=9, InterpolantAutomatonStates: 116, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 56 PreInvPairs, 72 NumberOfFragments, 2469 HoareAnnotationTreeSize, 56 FomulaSimplifications, 759 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 25 FomulaSimplificationsInter, 5555 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 52.6s InterpolantComputationTime, 635 NumberOfCodeBlocks, 635 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 624 ConstructedInterpolants, 42 QuantifiedInterpolants, 11848 SizeOfPredicates, 27 NumberOfNonLiveVariables, 640 ConjunctsInSsa, 100 ConjunctsInUnsatCore, 11 InterpolantComputations, 4 PerfectInterpolantSequences, 733/828 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 7395]: Loop Invariant [2022-11-03 03:31:50,596 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-03 03:31:50,596 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:50,596 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:50,596 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:50,597 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:50,597 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-03 03:31:50,598 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-03 03:31:50,598 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:50,598 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:50,599 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:50,599 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:50,600 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: (((after == #memory_$Pointer$[#memory_$Pointer$[after][after]][8] && after == #memory_$Pointer$[#memory_$Pointer$[after][after]][8]) && !(#memory_$Pointer$[after][after] == 0)) && #memory_$Pointer$[after][after] == 0) && !(after == 0) RESULT: Ultimate proved your program to be correct! [2022-11-03 03:31:50,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca34eff-1124-4201-9e45-ce22c3854617/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE