./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e336dda8-bef8-40bd-ae09-1c98867d178e/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e336dda8-bef8-40bd-ae09-1c98867d178e/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e336dda8-bef8-40bd-ae09-1c98867d178e/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e336dda8-bef8-40bd-ae09-1c98867d178e/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e336dda8-bef8-40bd-ae09-1c98867d178e/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e336dda8-bef8-40bd-ae09-1c98867d178e/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 71e6233f0d05e5cf619ccd9274ea3c6050381d25e3875969761913952ef0c093 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:58:39,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:58:39,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:58:39,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:58:39,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:58:39,898 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:58:39,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:58:39,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:58:39,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:58:39,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:58:39,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:58:39,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:58:39,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:58:39,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:58:39,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:58:39,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:58:39,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:58:39,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:58:39,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:58:39,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:58:39,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:58:39,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:58:39,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:58:39,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:58:39,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:58:39,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:58:39,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:58:39,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:58:39,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:58:39,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:58:39,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:58:39,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:58:39,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:58:39,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:58:39,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:58:39,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:58:39,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:58:39,935 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:58:39,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:58:39,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:58:39,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:58:39,937 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e336dda8-bef8-40bd-ae09-1c98867d178e/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 23:58:39,959 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:58:39,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:58:39,960 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:58:39,960 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:58:39,961 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 23:58:39,961 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 23:58:39,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:58:39,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:58:39,962 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:58:39,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:58:39,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:58:39,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:58:39,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 23:58:39,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 23:58:39,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 23:58:39,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:58:39,963 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:58:39,964 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 23:58:39,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:58:39,964 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:58:39,964 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 23:58:39,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:58:39,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:58:39,965 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 23:58:39,965 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 23:58:39,965 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:58:39,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 23:58:39,965 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 23:58:39,965 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 23:58:39,966 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 23:58:39,966 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:58:39,966 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_e336dda8-bef8-40bd-ae09-1c98867d178e/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e336dda8-bef8-40bd-ae09-1c98867d178e/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71e6233f0d05e5cf619ccd9274ea3c6050381d25e3875969761913952ef0c093 [2021-12-06 23:58:40,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:58:40,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:58:40,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:58:40,172 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:58:40,173 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:58:40,174 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e336dda8-bef8-40bd-ae09-1c98867d178e/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i [2021-12-06 23:58:40,217 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e336dda8-bef8-40bd-ae09-1c98867d178e/bin/uautomizer-DrprNOufMa/data/bccc72268/f2eb39fed31d467fa8c2ef3d948bd6e2/FLAG07d7ac1c1 [2021-12-06 23:58:40,779 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:58:40,779 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e336dda8-bef8-40bd-ae09-1c98867d178e/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i [2021-12-06 23:58:40,801 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e336dda8-bef8-40bd-ae09-1c98867d178e/bin/uautomizer-DrprNOufMa/data/bccc72268/f2eb39fed31d467fa8c2ef3d948bd6e2/FLAG07d7ac1c1 [2021-12-06 23:58:41,249 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e336dda8-bef8-40bd-ae09-1c98867d178e/bin/uautomizer-DrprNOufMa/data/bccc72268/f2eb39fed31d467fa8c2ef3d948bd6e2 [2021-12-06 23:58:41,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:58:41,252 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:58:41,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:58:41,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:58:41,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:58:41,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:58:41" (1/1) ... [2021-12-06 23:58:41,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48ea2a19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:41, skipping insertion in model container [2021-12-06 23:58:41,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:58:41" (1/1) ... [2021-12-06 23:58:41,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:58:41,355 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:58:41,552 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_e336dda8-bef8-40bd-ae09-1c98867d178e/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4499,4512] [2021-12-06 23:58:41,557 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_e336dda8-bef8-40bd-ae09-1c98867d178e/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4559,4572] [2021-12-06 23:58:42,245 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,245 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,246 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,246 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,247 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,256 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,257 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,258 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,258 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,260 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,260 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,261 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,261 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,531 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-06 23:58:42,532 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-06 23:58:42,533 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-06 23:58:42,534 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-06 23:58:42,535 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-06 23:58:42,535 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-06 23:58:42,535 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-06 23:58:42,536 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-06 23:58:42,536 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-06 23:58:42,537 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-06 23:58:42,656 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-06 23:58:42,675 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,679 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,734 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,734 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,735 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,735 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,735 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,735 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,736 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,736 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,736 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,736 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,737 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,737 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,737 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,740 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,741 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,741 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,741 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,744 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,744 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,751 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,752 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,752 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:58:42,796 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:58:42,809 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_e336dda8-bef8-40bd-ae09-1c98867d178e/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4499,4512] [2021-12-06 23:58:42,810 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_e336dda8-bef8-40bd-ae09-1c98867d178e/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4559,4572] [2021-12-06 23:58:42,846 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,846 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,847 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,847 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,848 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,854 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,854 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,855 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,855 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,856 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,857 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,857 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,857 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,882 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-06 23:58:42,882 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-06 23:58:42,883 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-06 23:58:42,883 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-06 23:58:42,884 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-06 23:58:42,884 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-06 23:58:42,885 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-06 23:58:42,885 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-06 23:58:42,885 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-06 23:58:42,885 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-06 23:58:42,899 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-06 23:58:42,909 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,912 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,928 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,928 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,928 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,929 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,929 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,929 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,929 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,930 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,930 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,930 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,930 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,930 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,930 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,931 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,931 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,931 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,931 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,933 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,933 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,937 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,938 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,938 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 23:58:42,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:58:43,111 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:58:43,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:43 WrapperNode [2021-12-06 23:58:43,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:58:43,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:58:43,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:58:43,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:58:43,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:43" (1/1) ... [2021-12-06 23:58:43,174 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:43" (1/1) ... [2021-12-06 23:58:43,226 INFO L137 Inliner]: procedures = 698, calls = 1948, calls flagged for inlining = 62, calls inlined = 12, statements flattened = 765 [2021-12-06 23:58:43,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:58:43,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:58:43,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:58:43,227 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:58:43,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:43" (1/1) ... [2021-12-06 23:58:43,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:43" (1/1) ... [2021-12-06 23:58:43,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:43" (1/1) ... [2021-12-06 23:58:43,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:43" (1/1) ... [2021-12-06 23:58:43,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:43" (1/1) ... [2021-12-06 23:58:43,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:43" (1/1) ... [2021-12-06 23:58:43,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:43" (1/1) ... [2021-12-06 23:58:43,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:58:43,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:58:43,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:58:43,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:58:43,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:43" (1/1) ... [2021-12-06 23:58:43,296 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:58:43,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e336dda8-bef8-40bd-ae09-1c98867d178e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:58:43,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e336dda8-bef8-40bd-ae09-1c98867d178e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 23:58:43,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e336dda8-bef8-40bd-ae09-1c98867d178e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 23:58:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2021-12-06 23:58:43,354 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2021-12-06 23:58:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 23:58:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-12-06 23:58:43,355 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-12-06 23:58:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-12-06 23:58:43,355 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-12-06 23:58:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-06 23:58:43,355 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-06 23:58:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 23:58:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-06 23:58:43,355 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-06 23:58:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-06 23:58:43,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-06 23:58:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 23:58:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 23:58:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 23:58:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:58:43,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:58:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-06 23:58:43,356 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-06 23:58:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-12-06 23:58:43,357 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-12-06 23:58:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-06 23:58:43,357 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-06 23:58:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-12-06 23:58:43,357 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-12-06 23:58:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2021-12-06 23:58:43,357 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2021-12-06 23:58:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 23:58:43,357 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 23:58:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 23:58:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 23:58:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 23:58:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-06 23:58:43,358 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-06 23:58:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-06 23:58:43,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-06 23:58:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 23:58:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-12-06 23:58:43,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-12-06 23:58:43,359 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2021-12-06 23:58:43,359 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2021-12-06 23:58:43,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 23:58:43,553 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:58:43,554 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:58:44,300 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:58:44,306 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:58:44,307 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 23:58:44,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:58:44 BoogieIcfgContainer [2021-12-06 23:58:44,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:58:44,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 23:58:44,310 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 23:58:44,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 23:58:44,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 11:58:41" (1/3) ... [2021-12-06 23:58:44,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11dd4f14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:58:44, skipping insertion in model container [2021-12-06 23:58:44,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:43" (2/3) ... [2021-12-06 23:58:44,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11dd4f14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:58:44, skipping insertion in model container [2021-12-06 23:58:44,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:58:44" (3/3) ... [2021-12-06 23:58:44,314 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_swap_harness.i [2021-12-06 23:58:44,318 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 23:58:44,318 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 23:58:44,354 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 23:58:44,359 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 23:58:44,359 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 23:58:44,376 INFO L276 IsEmpty]: Start isEmpty. Operand has 196 states, 129 states have (on average 1.2403100775193798) internal successors, (160), 130 states have internal predecessors, (160), 49 states have call successors, (49), 16 states have call predecessors, (49), 16 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2021-12-06 23:58:44,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-12-06 23:58:44,387 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:58:44,388 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:58:44,389 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:58:44,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:58:44,394 INFO L85 PathProgramCache]: Analyzing trace with hash 969840853, now seen corresponding path program 1 times [2021-12-06 23:58:44,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:58:44,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569961431] [2021-12-06 23:58:44,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:58:44,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:58:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:44,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 23:58:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:44,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 23:58:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:44,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 23:58:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:44,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 23:58:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:44,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 23:58:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:44,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-06 23:58:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:44,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 23:58:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:44,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 23:58:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:44,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-06 23:58:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:44,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 23:58:44,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:44,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-06 23:58:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:44,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 23:58:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:44,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 23:58:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:44,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 23:58:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:44,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 23:58:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:44,972 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-12-06 23:58:44,972 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:58:44,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569961431] [2021-12-06 23:58:44,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569961431] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:58:44,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:58:44,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:58:44,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553408768] [2021-12-06 23:58:44,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:58:44,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:58:44,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:58:44,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:58:44,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:58:45,000 INFO L87 Difference]: Start difference. First operand has 196 states, 129 states have (on average 1.2403100775193798) internal successors, (160), 130 states have internal predecessors, (160), 49 states have call successors, (49), 16 states have call predecessors, (49), 16 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-06 23:58:45,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:58:45,454 INFO L93 Difference]: Finished difference Result 405 states and 579 transitions. [2021-12-06 23:58:45,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:58:45,456 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 97 [2021-12-06 23:58:45,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:58:45,465 INFO L225 Difference]: With dead ends: 405 [2021-12-06 23:58:45,465 INFO L226 Difference]: Without dead ends: 215 [2021-12-06 23:58:45,469 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:58:45,472 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 77 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 23:58:45,473 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [84 Valid, 343 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 23:58:45,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2021-12-06 23:58:45,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 191. [2021-12-06 23:58:45,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 125 states have (on average 1.224) internal successors, (153), 126 states have internal predecessors, (153), 49 states have call successors, (49), 16 states have call predecessors, (49), 16 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2021-12-06 23:58:45,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 250 transitions. [2021-12-06 23:58:45,519 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 250 transitions. Word has length 97 [2021-12-06 23:58:45,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:58:45,519 INFO L470 AbstractCegarLoop]: Abstraction has 191 states and 250 transitions. [2021-12-06 23:58:45,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-06 23:58:45,520 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 250 transitions. [2021-12-06 23:58:45,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-12-06 23:58:45,524 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:58:45,524 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:58:45,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 23:58:45,525 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:58:45,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:58:45,525 INFO L85 PathProgramCache]: Analyzing trace with hash -2144728741, now seen corresponding path program 1 times [2021-12-06 23:58:45,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:58:45,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376497988] [2021-12-06 23:58:45,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:58:45,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:58:45,600 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:58:45,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1757281061] [2021-12-06 23:58:45,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:58:45,600 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:58:45,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e336dda8-bef8-40bd-ae09-1c98867d178e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:58:45,601 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e336dda8-bef8-40bd-ae09-1c98867d178e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:58:45,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e336dda8-bef8-40bd-ae09-1c98867d178e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 23:58:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:45,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 2284 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 23:58:45,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:58:46,095 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-12-06 23:58:46,095 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:58:46,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:58:46,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376497988] [2021-12-06 23:58:46,096 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:58:46,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757281061] [2021-12-06 23:58:46,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757281061] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:58:46,096 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:58:46,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:58:46,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684386757] [2021-12-06 23:58:46,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:58:46,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:58:46,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:58:46,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:58:46,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:58:46,099 INFO L87 Difference]: Start difference. First operand 191 states and 250 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-12-06 23:58:46,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:58:46,169 INFO L93 Difference]: Finished difference Result 348 states and 457 transitions. [2021-12-06 23:58:46,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:58:46,170 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 97 [2021-12-06 23:58:46,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:58:46,173 INFO L225 Difference]: With dead ends: 348 [2021-12-06 23:58:46,173 INFO L226 Difference]: Without dead ends: 193 [2021-12-06 23:58:46,174 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:58:46,176 INFO L933 BasicCegarLoop]: 241 mSDtfsCounter, 2 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1181 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:58:46,177 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 1181 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 23:58:46,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-12-06 23:58:46,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2021-12-06 23:58:46,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 126 states have (on average 1.2222222222222223) internal successors, (154), 128 states have internal predecessors, (154), 49 states have call successors, (49), 16 states have call predecessors, (49), 17 states have return successors, (50), 48 states have call predecessors, (50), 48 states have call successors, (50) [2021-12-06 23:58:46,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 253 transitions. [2021-12-06 23:58:46,200 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 253 transitions. Word has length 97 [2021-12-06 23:58:46,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:58:46,201 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 253 transitions. [2021-12-06 23:58:46,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-12-06 23:58:46,201 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 253 transitions. [2021-12-06 23:58:46,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-12-06 23:58:46,204 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:58:46,205 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:58:46,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e336dda8-bef8-40bd-ae09-1c98867d178e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 23:58:46,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e336dda8-bef8-40bd-ae09-1c98867d178e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-12-06 23:58:46,406 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:58:46,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:58:46,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1693315363, now seen corresponding path program 1 times [2021-12-06 23:58:46,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:58:46,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943435728] [2021-12-06 23:58:46,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:58:46,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:58:46,482 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:58:46,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [236501063] [2021-12-06 23:58:46,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:58:46,482 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:58:46,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e336dda8-bef8-40bd-ae09-1c98867d178e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:58:46,483 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e336dda8-bef8-40bd-ae09-1c98867d178e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:58:46,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e336dda8-bef8-40bd-ae09-1c98867d178e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 23:58:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:46,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 2340 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 23:58:46,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:58:46,892 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-12-06 23:58:46,892 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:58:46,892 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:58:46,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943435728] [2021-12-06 23:58:46,892 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:58:46,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236501063] [2021-12-06 23:58:46,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236501063] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:58:46,892 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:58:46,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:58:46,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375982528] [2021-12-06 23:58:46,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:58:46,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:58:46,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:58:46,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:58:46,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:58:46,894 INFO L87 Difference]: Start difference. First operand 193 states and 253 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2021-12-06 23:58:46,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:58:46,951 INFO L93 Difference]: Finished difference Result 263 states and 334 transitions. [2021-12-06 23:58:46,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:58:46,951 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 105 [2021-12-06 23:58:46,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:58:46,952 INFO L225 Difference]: With dead ends: 263 [2021-12-06 23:58:46,952 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 23:58:46,953 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-06 23:58:46,954 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 158 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:58:46,954 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 392 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 23:58:46,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 23:58:46,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 23:58:46,955 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) [2021-12-06 23:58:46,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 23:58:46,955 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 105 [2021-12-06 23:58:46,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:58:46,955 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:58:46,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2021-12-06 23:58:46,955 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 23:58:46,956 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 23:58:46,957 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 23:58:46,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e336dda8-bef8-40bd-ae09-1c98867d178e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 23:58:47,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e336dda8-bef8-40bd-ae09-1c98867d178e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:58:47,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 23:58:47,523 INFO L854 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6931 6936) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-12-06 23:58:47,523 INFO L858 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6931 6936) no Hoare annotation was computed. [2021-12-06 23:58:47,523 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6931 6936) no Hoare annotation was computed. [2021-12-06 23:58:47,523 INFO L858 garLoopResultBuilder]: For program point L6932-1(lines 6932 6934) no Hoare annotation was computed. [2021-12-06 23:58:47,523 INFO L854 garLoopResultBuilder]: At program point L6932(lines 6932 6934) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-12-06 23:58:47,523 INFO L858 garLoopResultBuilder]: For program point L8229-7(lines 8229 8232) no Hoare annotation was computed. [2021-12-06 23:58:47,523 INFO L858 garLoopResultBuilder]: For program point L8229-5(lines 8229 8232) no Hoare annotation was computed. [2021-12-06 23:58:47,523 INFO L858 garLoopResultBuilder]: For program point L8229-4(line 8229) no Hoare annotation was computed. [2021-12-06 23:58:47,523 INFO L858 garLoopResultBuilder]: For program point L8262-5(lines 8262 8263) no Hoare annotation was computed. [2021-12-06 23:58:47,524 INFO L858 garLoopResultBuilder]: For program point L8219(lines 8219 8223) no Hoare annotation was computed. [2021-12-06 23:58:47,524 INFO L858 garLoopResultBuilder]: For program point aws_priority_queue_is_validEXIT(lines 8275 8296) no Hoare annotation was computed. [2021-12-06 23:58:47,524 INFO L858 garLoopResultBuilder]: For program point L8271(line 8271) no Hoare annotation was computed. [2021-12-06 23:58:47,524 INFO L854 garLoopResultBuilder]: At program point L8271-5(lines 8217 8272) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (<= |aws_priority_queue_is_valid_#in~queue#1.base| 0) (<= |aws_priority_queue_is_valid_#in~queue#1.base| |aws_priority_queue_is_valid_~queue#1.base|))) [2021-12-06 23:58:47,524 INFO L858 garLoopResultBuilder]: For program point L8271-4(line 8271) no Hoare annotation was computed. [2021-12-06 23:58:47,524 INFO L858 garLoopResultBuilder]: For program point L8271-3(line 8271) no Hoare annotation was computed. [2021-12-06 23:58:47,524 INFO L854 garLoopResultBuilder]: At program point L8271-2(line 8271) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (<= |aws_priority_queue_is_valid_#in~queue#1.base| 0) (<= |aws_priority_queue_is_valid_#in~queue#1.base| |aws_priority_queue_is_valid_~queue#1.base|))) [2021-12-06 23:58:47,525 INFO L854 garLoopResultBuilder]: At program point L8290(line 8290) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (<= |aws_priority_queue_is_valid_#in~queue#1.base| 0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (<= |aws_priority_queue_is_valid_#in~queue#1.base| |aws_priority_queue_is_valid_~queue#1.base|) (= |old(#valid)| |#valid|))) [2021-12-06 23:58:47,525 INFO L858 garLoopResultBuilder]: For program point L8290-1(line 8290) no Hoare annotation was computed. [2021-12-06 23:58:47,525 INFO L854 garLoopResultBuilder]: At program point aws_priority_queue_is_validENTRY(lines 8275 8296) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2021-12-06 23:58:47,525 INFO L858 garLoopResultBuilder]: For program point L8278(lines 8278 8282) no Hoare annotation was computed. [2021-12-06 23:58:47,525 INFO L858 garLoopResultBuilder]: For program point aws_priority_queue_is_validFINAL(lines 8275 8296) no Hoare annotation was computed. [2021-12-06 23:58:47,525 INFO L858 garLoopResultBuilder]: For program point L8262(line 8262) no Hoare annotation was computed. [2021-12-06 23:58:47,525 INFO L858 garLoopResultBuilder]: For program point L8229-2(line 8229) no Hoare annotation was computed. [2021-12-06 23:58:47,525 INFO L858 garLoopResultBuilder]: For program point L8262-3(lines 8262 8263) no Hoare annotation was computed. [2021-12-06 23:58:47,526 INFO L858 garLoopResultBuilder]: For program point L8229-1(line 8229) no Hoare annotation was computed. [2021-12-06 23:58:47,526 INFO L858 garLoopResultBuilder]: For program point L8262-2(line 8262) no Hoare annotation was computed. [2021-12-06 23:58:47,526 INFO L854 garLoopResultBuilder]: At program point L8229(line 8229) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (<= |aws_priority_queue_is_valid_#in~queue#1.base| 0) (<= |aws_priority_queue_is_valid_#in~queue#1.base| |aws_priority_queue_is_valid_~queue#1.base|))) [2021-12-06 23:58:47,526 INFO L858 garLoopResultBuilder]: For program point L6747-1(line 6747) no Hoare annotation was computed. [2021-12-06 23:58:47,526 INFO L854 garLoopResultBuilder]: At program point L6747(line 6747) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (not (< 0 |#StackHeapBarrier|))) [2021-12-06 23:58:47,526 INFO L858 garLoopResultBuilder]: For program point L6749-1(line 6749) no Hoare annotation was computed. [2021-12-06 23:58:47,526 INFO L854 garLoopResultBuilder]: At program point L6749(line 6749) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (not (< 0 |#StackHeapBarrier|))) [2021-12-06 23:58:47,526 INFO L858 garLoopResultBuilder]: For program point L6743(line 6743) no Hoare annotation was computed. [2021-12-06 23:58:47,526 INFO L858 garLoopResultBuilder]: For program point L6743-4(lines 6742 6754) no Hoare annotation was computed. [2021-12-06 23:58:47,527 INFO L858 garLoopResultBuilder]: For program point L6743-2(lines 6743 6753) no Hoare annotation was computed. [2021-12-06 23:58:47,527 INFO L858 garLoopResultBuilder]: For program point ensure_array_list_has_allocated_data_memberEXIT(lines 6742 6754) no Hoare annotation was computed. [2021-12-06 23:58:47,527 INFO L854 garLoopResultBuilder]: At program point ensure_array_list_has_allocated_data_memberENTRY(lines 6742 6754) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (not (< 0 |#StackHeapBarrier|))) [2021-12-06 23:58:47,527 INFO L861 garLoopResultBuilder]: At program point L6750(line 6750) the Hoare annotation is: true [2021-12-06 23:58:47,527 INFO L858 garLoopResultBuilder]: For program point L6752-1(line 6752) no Hoare annotation was computed. [2021-12-06 23:58:47,527 INFO L861 garLoopResultBuilder]: At program point L6752(line 6752) the Hoare annotation is: true [2021-12-06 23:58:47,527 INFO L858 garLoopResultBuilder]: For program point L6750-3(lines 6750 6752) no Hoare annotation was computed. [2021-12-06 23:58:47,527 INFO L858 garLoopResultBuilder]: For program point L6750-1(lines 6750 6752) no Hoare annotation was computed. [2021-12-06 23:58:47,527 INFO L858 garLoopResultBuilder]: For program point L6744-1(lines 6744 6746) no Hoare annotation was computed. [2021-12-06 23:58:47,527 INFO L854 garLoopResultBuilder]: At program point L6744(lines 6744 6746) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (not (< 0 |#StackHeapBarrier|))) [2021-12-06 23:58:47,527 INFO L858 garLoopResultBuilder]: For program point aws_array_list_is_boundedEXIT(lines 6728 6740) no Hoare annotation was computed. [2021-12-06 23:58:47,527 INFO L861 garLoopResultBuilder]: At program point aws_array_list_is_boundedENTRY(lines 6728 6740) the Hoare annotation is: true [2021-12-06 23:58:47,528 INFO L858 garLoopResultBuilder]: For program point aws_array_list_is_boundedFINAL(lines 6728 6740) no Hoare annotation was computed. [2021-12-06 23:58:47,528 INFO L854 garLoopResultBuilder]: At program point aws_array_list_is_validENTRY(lines 2935 2962) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2021-12-06 23:58:47,528 INFO L858 garLoopResultBuilder]: For program point aws_array_list_is_validEXIT(lines 2935 2962) no Hoare annotation was computed. [2021-12-06 23:58:47,528 INFO L858 garLoopResultBuilder]: For program point L2957(line 2957) no Hoare annotation was computed. [2021-12-06 23:58:47,528 INFO L858 garLoopResultBuilder]: For program point L2955(lines 2955 2956) no Hoare annotation was computed. [2021-12-06 23:58:47,528 INFO L858 garLoopResultBuilder]: For program point L2957-2(line 2957) no Hoare annotation was computed. [2021-12-06 23:58:47,528 INFO L858 garLoopResultBuilder]: For program point L2955-3(lines 2955 2957) no Hoare annotation was computed. [2021-12-06 23:58:47,528 INFO L858 garLoopResultBuilder]: For program point L2955-2(lines 2955 2956) no Hoare annotation was computed. [2021-12-06 23:58:47,528 INFO L858 garLoopResultBuilder]: For program point L2955-5(lines 2955 2957) no Hoare annotation was computed. [2021-12-06 23:58:47,528 INFO L858 garLoopResultBuilder]: For program point L2939(lines 2939 2943) no Hoare annotation was computed. [2021-12-06 23:58:47,528 INFO L861 garLoopResultBuilder]: At program point L2948(line 2948) the Hoare annotation is: true [2021-12-06 23:58:47,528 INFO L858 garLoopResultBuilder]: For program point L2948-1(line 2948) no Hoare annotation was computed. [2021-12-06 23:58:47,528 INFO L858 garLoopResultBuilder]: For program point aws_array_list_is_validFINAL(lines 2935 2962) no Hoare annotation was computed. [2021-12-06 23:58:47,528 INFO L858 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2021-12-06 23:58:47,528 INFO L858 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2021-12-06 23:58:47,529 INFO L861 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2021-12-06 23:58:47,529 INFO L858 garLoopResultBuilder]: For program point L7178(lines 7178 7180) no Hoare annotation was computed. [2021-12-06 23:58:47,529 INFO L858 garLoopResultBuilder]: For program point L7179-1(line 7179) no Hoare annotation was computed. [2021-12-06 23:58:47,529 INFO L858 garLoopResultBuilder]: For program point assert_byte_from_buffer_matchesEXIT(lines 7177 7181) no Hoare annotation was computed. [2021-12-06 23:58:47,529 INFO L861 garLoopResultBuilder]: At program point L7179(line 7179) the Hoare annotation is: true [2021-12-06 23:58:47,529 INFO L861 garLoopResultBuilder]: At program point assert_byte_from_buffer_matchesENTRY(lines 7177 7181) the Hoare annotation is: true [2021-12-06 23:58:47,529 INFO L858 garLoopResultBuilder]: For program point L7178-2(lines 7177 7181) no Hoare annotation was computed. [2021-12-06 23:58:47,529 INFO L858 garLoopResultBuilder]: For program point aws_mul_size_checkedEXIT(lines 2586 2594) no Hoare annotation was computed. [2021-12-06 23:58:47,529 INFO L858 garLoopResultBuilder]: For program point L2498-1(lines 2498 2499) no Hoare annotation was computed. [2021-12-06 23:58:47,529 INFO L858 garLoopResultBuilder]: For program point aws_mul_size_checkedFINAL(lines 2586 2594) no Hoare annotation was computed. [2021-12-06 23:58:47,529 INFO L854 garLoopResultBuilder]: At program point aws_mul_size_checkedENTRY(lines 2586 2594) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2021-12-06 23:58:47,529 INFO L861 garLoopResultBuilder]: At program point L2501(lines 2497 2502) the Hoare annotation is: true [2021-12-06 23:58:47,529 INFO L854 garLoopResultBuilder]: At program point L2498(line 2498) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2021-12-06 23:58:47,530 INFO L858 garLoopResultBuilder]: For program point L2499-1(line 2499) no Hoare annotation was computed. [2021-12-06 23:58:47,530 INFO L861 garLoopResultBuilder]: At program point L2499(line 2499) the Hoare annotation is: true [2021-12-06 23:58:47,530 INFO L858 garLoopResultBuilder]: For program point aws_priority_queue_backpointer_index_validEXIT(lines 8178 8194) no Hoare annotation was computed. [2021-12-06 23:58:47,530 INFO L861 garLoopResultBuilder]: At program point aws_priority_queue_backpointer_index_validENTRY(lines 8178 8194) the Hoare annotation is: true [2021-12-06 23:58:47,530 INFO L858 garLoopResultBuilder]: For program point aws_priority_queue_backpointer_index_validFINAL(lines 8178 8194) no Hoare annotation was computed. [2021-12-06 23:58:47,530 INFO L858 garLoopResultBuilder]: For program point L8185(lines 8185 8190) no Hoare annotation was computed. [2021-12-06 23:58:47,530 INFO L858 garLoopResultBuilder]: For program point L8180-1(lines 8180 8184) no Hoare annotation was computed. [2021-12-06 23:58:47,530 INFO L861 garLoopResultBuilder]: At program point L8180(line 8180) the Hoare annotation is: true [2021-12-06 23:58:47,530 INFO L861 garLoopResultBuilder]: At program point L2337-3(lines 2337 2343) the Hoare annotation is: true [2021-12-06 23:58:47,530 INFO L858 garLoopResultBuilder]: For program point L2337-2(lines 2337 2343) no Hoare annotation was computed. [2021-12-06 23:58:47,530 INFO L858 garLoopResultBuilder]: For program point L2337-4(lines 2337 2343) no Hoare annotation was computed. [2021-12-06 23:58:47,530 INFO L858 garLoopResultBuilder]: For program point aws_is_mem_zeroedEXIT(lines 2331 2348) no Hoare annotation was computed. [2021-12-06 23:58:47,530 INFO L861 garLoopResultBuilder]: At program point aws_is_mem_zeroedENTRY(lines 2331 2348) the Hoare annotation is: true [2021-12-06 23:58:47,530 INFO L858 garLoopResultBuilder]: For program point aws_is_mem_zeroedFINAL(lines 2331 2348) no Hoare annotation was computed. [2021-12-06 23:58:47,530 INFO L858 garLoopResultBuilder]: For program point L2338(lines 2338 2342) no Hoare annotation was computed. [2021-12-06 23:58:47,531 INFO L861 garLoopResultBuilder]: At program point can_fail_mallocENTRY(lines 6948 6952) the Hoare annotation is: true [2021-12-06 23:58:47,531 INFO L858 garLoopResultBuilder]: For program point L6951-1(line 6951) no Hoare annotation was computed. [2021-12-06 23:58:47,531 INFO L861 garLoopResultBuilder]: At program point L6951(line 6951) the Hoare annotation is: true [2021-12-06 23:58:47,531 INFO L858 garLoopResultBuilder]: For program point can_fail_mallocFINAL(lines 6948 6952) no Hoare annotation was computed. [2021-12-06 23:58:47,531 INFO L858 garLoopResultBuilder]: For program point L6949-3(lines 6949 6951) no Hoare annotation was computed. [2021-12-06 23:58:47,531 INFO L858 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 6948 6952) no Hoare annotation was computed. [2021-12-06 23:58:47,531 INFO L858 garLoopResultBuilder]: For program point L6949-1(lines 6949 6951) no Hoare annotation was computed. [2021-12-06 23:58:47,531 INFO L861 garLoopResultBuilder]: At program point L6949(line 6949) the Hoare annotation is: true [2021-12-06 23:58:47,531 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2021-12-06 23:58:47,531 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-12-06 23:58:47,531 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-06 23:58:47,531 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-12-06 23:58:47,531 INFO L854 garLoopResultBuilder]: At program point aws_raise_errorENTRY(lines 1988 1999) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (= ~tl_last_error~0 |old(~tl_last_error~0)|)) [2021-12-06 23:58:47,531 INFO L858 garLoopResultBuilder]: For program point L7366(lines 7366 7368) no Hoare annotation was computed. [2021-12-06 23:58:47,531 INFO L858 garLoopResultBuilder]: For program point aws_raise_errorFINAL(lines 1988 1999) no Hoare annotation was computed. [2021-12-06 23:58:47,532 INFO L858 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2021-12-06 23:58:47,532 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6938 6940) no Hoare annotation was computed. [2021-12-06 23:58:47,532 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6938 6940) no Hoare annotation was computed. [2021-12-06 23:58:47,532 INFO L861 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6938 6940) the Hoare annotation is: true [2021-12-06 23:58:47,532 INFO L854 garLoopResultBuilder]: At program point __CPROVER_overflow_multENTRY(lines 253 256) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-12-06 23:58:47,532 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_multEXIT(lines 253 256) no Hoare annotation was computed. [2021-12-06 23:58:47,532 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_multFINAL(lines 253 256) no Hoare annotation was computed. [2021-12-06 23:58:47,532 INFO L858 garLoopResultBuilder]: For program point L8475(lines 8475 8483) no Hoare annotation was computed. [2021-12-06 23:58:47,532 INFO L858 garLoopResultBuilder]: For program point L8450-1(line 8450) no Hoare annotation was computed. [2021-12-06 23:58:47,532 INFO L858 garLoopResultBuilder]: For program point L8475-2(lines 8475 8483) no Hoare annotation was computed. [2021-12-06 23:58:47,532 INFO L854 garLoopResultBuilder]: At program point L8492(line 8492) the Hoare annotation is: false [2021-12-06 23:58:47,532 INFO L858 garLoopResultBuilder]: For program point L8492-1(line 8492) no Hoare annotation was computed. [2021-12-06 23:58:47,532 INFO L858 garLoopResultBuilder]: For program point L6791-1(line 6791) no Hoare annotation was computed. [2021-12-06 23:58:47,532 INFO L854 garLoopResultBuilder]: At program point L6791(line 6791) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) (< 0 |#StackHeapBarrier|)) [2021-12-06 23:58:47,533 INFO L854 garLoopResultBuilder]: At program point L8451(line 8451) the Hoare annotation is: false [2021-12-06 23:58:47,533 INFO L854 garLoopResultBuilder]: At program point L8451-1(line 8451) the Hoare annotation is: false [2021-12-06 23:58:47,533 INFO L858 garLoopResultBuilder]: For program point L7204-1(line 7204) no Hoare annotation was computed. [2021-12-06 23:58:47,533 INFO L854 garLoopResultBuilder]: At program point L7204(line 7204) the Hoare annotation is: false [2021-12-06 23:58:47,533 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 23:58:47,533 INFO L858 garLoopResultBuilder]: For program point L8451-2(line 8451) no Hoare annotation was computed. [2021-12-06 23:58:47,533 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 23:58:47,533 INFO L858 garLoopResultBuilder]: For program point L7196(lines 7196 7200) no Hoare annotation was computed. [2021-12-06 23:58:47,533 INFO L858 garLoopResultBuilder]: For program point L8460(lines 8460 8517) no Hoare annotation was computed. [2021-12-06 23:58:47,533 INFO L854 garLoopResultBuilder]: At program point L6800(lines 6783 6801) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) (< 0 |#StackHeapBarrier|)) [2021-12-06 23:58:47,533 INFO L854 garLoopResultBuilder]: At program point L8452(line 8452) the Hoare annotation is: false [2021-12-06 23:58:47,533 INFO L854 garLoopResultBuilder]: At program point L8452-1(line 8452) the Hoare annotation is: false [2021-12-06 23:58:47,533 INFO L858 garLoopResultBuilder]: For program point L8452-2(line 8452) no Hoare annotation was computed. [2021-12-06 23:58:47,534 INFO L858 garLoopResultBuilder]: For program point L7205(lines 7205 7207) no Hoare annotation was computed. [2021-12-06 23:58:47,534 INFO L861 garLoopResultBuilder]: At program point L8518(line 8518) the Hoare annotation is: true [2021-12-06 23:58:47,534 INFO L854 garLoopResultBuilder]: At program point L8469(line 8469) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) (< 0 |#StackHeapBarrier|)) [2021-12-06 23:58:47,534 INFO L854 garLoopResultBuilder]: At program point L8469-1(line 8469) the Hoare annotation is: (= 0 |ULTIMATE.start_aws_priority_queue_s_swap_harness_#t~ret954#1|) [2021-12-06 23:58:47,534 INFO L858 garLoopResultBuilder]: For program point L8469-2(line 8469) no Hoare annotation was computed. [2021-12-06 23:58:47,534 INFO L854 garLoopResultBuilder]: At program point L7206(line 7206) the Hoare annotation is: false [2021-12-06 23:58:47,534 INFO L858 garLoopResultBuilder]: For program point L7206-1(line 7206) no Hoare annotation was computed. [2021-12-06 23:58:47,534 INFO L858 garLoopResultBuilder]: For program point L8511-2(lines 8511 8513) no Hoare annotation was computed. [2021-12-06 23:58:47,535 INFO L858 garLoopResultBuilder]: For program point L8511(lines 8511 8513) no Hoare annotation was computed. [2021-12-06 23:58:47,535 INFO L858 garLoopResultBuilder]: For program point L8454(lines 8454 8457) no Hoare annotation was computed. [2021-12-06 23:58:47,535 INFO L858 garLoopResultBuilder]: For program point L7199-1(line 7199) no Hoare annotation was computed. [2021-12-06 23:58:47,535 INFO L854 garLoopResultBuilder]: At program point L7199(line 7199) the Hoare annotation is: false [2021-12-06 23:58:47,535 INFO L854 garLoopResultBuilder]: At program point L7191(lines 7191 7208) the Hoare annotation is: false [2021-12-06 23:58:47,535 INFO L858 garLoopResultBuilder]: For program point L6803(lines 6803 6807) no Hoare annotation was computed. [2021-12-06 23:58:47,535 INFO L858 garLoopResultBuilder]: For program point L7183(lines 7183 7189) no Hoare annotation was computed. [2021-12-06 23:58:47,535 INFO L854 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: false [2021-12-06 23:58:47,535 INFO L854 garLoopResultBuilder]: At program point L8455(line 8455) the Hoare annotation is: false [2021-12-06 23:58:47,536 INFO L858 garLoopResultBuilder]: For program point L8455-1(line 8455) no Hoare annotation was computed. [2021-12-06 23:58:47,536 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 23:58:47,536 INFO L854 garLoopResultBuilder]: At program point L8480(line 8480) the Hoare annotation is: false [2021-12-06 23:58:47,536 INFO L858 garLoopResultBuilder]: For program point L8480-1(line 8480) no Hoare annotation was computed. [2021-12-06 23:58:47,536 INFO L858 garLoopResultBuilder]: For program point L8447(lines 8447 8458) no Hoare annotation was computed. [2021-12-06 23:58:47,536 INFO L854 garLoopResultBuilder]: At program point L6804-1(line 6804) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) (< 0 |#StackHeapBarrier|)) [2021-12-06 23:58:47,536 INFO L854 garLoopResultBuilder]: At program point L8472(line 8472) the Hoare annotation is: false [2021-12-06 23:58:47,536 INFO L854 garLoopResultBuilder]: At program point L6804(line 6804) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) (< 0 |#StackHeapBarrier|)) [2021-12-06 23:58:47,536 INFO L858 garLoopResultBuilder]: For program point L8472-1(line 8472) no Hoare annotation was computed. [2021-12-06 23:58:47,537 INFO L858 garLoopResultBuilder]: For program point L7184(lines 7184 7188) no Hoare annotation was computed. [2021-12-06 23:58:47,537 INFO L854 garLoopResultBuilder]: At program point L8456(line 8456) the Hoare annotation is: false [2021-12-06 23:58:47,537 INFO L858 garLoopResultBuilder]: For program point L8456-1(line 8456) no Hoare annotation was computed. [2021-12-06 23:58:47,537 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 23:58:47,537 INFO L858 garLoopResultBuilder]: For program point L7201-1(line 7201) no Hoare annotation was computed. [2021-12-06 23:58:47,537 INFO L854 garLoopResultBuilder]: At program point L7201(line 7201) the Hoare annotation is: false [2021-12-06 23:58:47,537 INFO L854 garLoopResultBuilder]: At program point L8448(line 8448) the Hoare annotation is: false [2021-12-06 23:58:47,537 INFO L854 garLoopResultBuilder]: At program point L8448-1(line 8448) the Hoare annotation is: false [2021-12-06 23:58:47,537 INFO L858 garLoopResultBuilder]: For program point L8448-2(line 8448) no Hoare annotation was computed. [2021-12-06 23:58:47,537 INFO L854 garLoopResultBuilder]: At program point L8473(line 8473) the Hoare annotation is: false [2021-12-06 23:58:47,538 INFO L858 garLoopResultBuilder]: For program point L8473-1(line 8473) no Hoare annotation was computed. [2021-12-06 23:58:47,538 INFO L858 garLoopResultBuilder]: For program point L6805(line 6805) no Hoare annotation was computed. [2021-12-06 23:58:47,538 INFO L854 garLoopResultBuilder]: At program point L8465(line 8465) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) (< 0 |#StackHeapBarrier|)) [2021-12-06 23:58:47,538 INFO L858 garLoopResultBuilder]: For program point L8465-1(line 8465) no Hoare annotation was computed. [2021-12-06 23:58:47,538 INFO L854 garLoopResultBuilder]: At program point L8515(line 8515) the Hoare annotation is: false [2021-12-06 23:58:47,538 INFO L854 garLoopResultBuilder]: At program point L8482(line 8482) the Hoare annotation is: false [2021-12-06 23:58:47,538 INFO L858 garLoopResultBuilder]: For program point L8515-1(line 8515) no Hoare annotation was computed. [2021-12-06 23:58:47,538 INFO L854 garLoopResultBuilder]: At program point L7202(line 7202) the Hoare annotation is: false [2021-12-06 23:58:47,539 INFO L854 garLoopResultBuilder]: At program point L8507(line 8507) the Hoare annotation is: false [2021-12-06 23:58:47,539 INFO L854 garLoopResultBuilder]: At program point L8507-1(line 8507) the Hoare annotation is: false [2021-12-06 23:58:47,539 INFO L858 garLoopResultBuilder]: For program point L7202-1(line 7202) no Hoare annotation was computed. [2021-12-06 23:58:47,539 INFO L858 garLoopResultBuilder]: For program point L8482-1(line 8482) no Hoare annotation was computed. [2021-12-06 23:58:47,539 INFO L854 garLoopResultBuilder]: At program point L8449(line 8449) the Hoare annotation is: false [2021-12-06 23:58:47,539 INFO L858 garLoopResultBuilder]: For program point L8449-1(line 8449) no Hoare annotation was computed. [2021-12-06 23:58:47,539 INFO L854 garLoopResultBuilder]: At program point L7186(line 7186) the Hoare annotation is: false [2021-12-06 23:58:47,539 INFO L858 garLoopResultBuilder]: For program point L8507-2(line 8507) no Hoare annotation was computed. [2021-12-06 23:58:47,539 INFO L854 garLoopResultBuilder]: At program point L6798(lines 6798 6799) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) (< 0 |#StackHeapBarrier|)) [2021-12-06 23:58:47,540 INFO L858 garLoopResultBuilder]: For program point L7186-1(line 7186) no Hoare annotation was computed. [2021-12-06 23:58:47,540 INFO L858 garLoopResultBuilder]: For program point L6798-1(lines 6798 6799) no Hoare annotation was computed. [2021-12-06 23:58:47,540 INFO L854 garLoopResultBuilder]: At program point L8516(line 8516) the Hoare annotation is: false [2021-12-06 23:58:47,540 INFO L858 garLoopResultBuilder]: For program point L8516-1(line 8516) no Hoare annotation was computed. [2021-12-06 23:58:47,540 INFO L854 garLoopResultBuilder]: At program point L8450(line 8450) the Hoare annotation is: false [2021-12-06 23:58:47,540 INFO L858 garLoopResultBuilder]: For program point L7203-1(line 7203) no Hoare annotation was computed. [2021-12-06 23:58:47,540 INFO L854 garLoopResultBuilder]: At program point L7203(line 7203) the Hoare annotation is: false [2021-12-06 23:58:47,540 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-12-06 23:58:47,540 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-12-06 23:58:47,541 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-12-06 23:58:47,541 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-12-06 23:58:47,541 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-12-06 23:58:47,541 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-12-06 23:58:47,544 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-12-06 23:58:47,546 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 23:58:47,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 11:58:47 BoogieIcfgContainer [2021-12-06 23:58:47,558 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 23:58:47,558 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 23:58:47,558 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 23:58:47,559 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 23:58:47,559 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:58:44" (3/4) ... [2021-12-06 23:58:47,561 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 23:58:47,565 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2021-12-06 23:58:47,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-12-06 23:58:47,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_priority_queue_is_valid [2021-12-06 23:58:47,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_array_list_has_allocated_data_member [2021-12-06 23:58:47,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_bounded [2021-12-06 23:58:47,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_valid [2021-12-06 23:58:47,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-12-06 23:58:47,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-12-06 23:58:47,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2021-12-06 23:58:47,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2021-12-06 23:58:47,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2021-12-06 23:58:47,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_byte_from_buffer_matches [2021-12-06 23:58:47,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2021-12-06 23:58:47,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_priority_queue_backpointer_index_valid [2021-12-06 23:58:47,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_is_mem_zeroed [2021-12-06 23:58:47,567 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-12-06 23:58:47,579 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 151 nodes and edges [2021-12-06 23:58:47,581 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2021-12-06 23:58:47,582 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-12-06 23:58:47,583 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-12-06 23:58:47,585 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-12-06 23:58:47,586 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-12-06 23:58:47,587 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 23:58:47,588 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 23:58:48,265 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e336dda8-bef8-40bd-ae09-1c98867d178e/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 23:58:48,265 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 23:58:48,266 INFO L158 Benchmark]: Toolchain (without parser) took 7013.71ms. Allocated memory was 123.7MB in the beginning and 218.1MB in the end (delta: 94.4MB). Free memory was 78.2MB in the beginning and 114.9MB in the end (delta: -36.7MB). Peak memory consumption was 151.6MB. Max. memory is 16.1GB. [2021-12-06 23:58:48,266 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 123.7MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:58:48,266 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1857.62ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 78.0MB in the beginning and 92.3MB in the end (delta: -14.3MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2021-12-06 23:58:48,267 INFO L158 Benchmark]: Boogie Procedure Inliner took 114.33ms. Allocated memory is still 148.9MB. Free memory was 92.3MB in the beginning and 82.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 23:58:48,267 INFO L158 Benchmark]: Boogie Preprocessor took 61.38ms. Allocated memory is still 148.9MB. Free memory was 82.3MB in the beginning and 75.5MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 23:58:48,267 INFO L158 Benchmark]: RCFGBuilder took 1020.15ms. Allocated memory is still 148.9MB. Free memory was 75.5MB in the beginning and 65.3MB in the end (delta: 10.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-12-06 23:58:48,267 INFO L158 Benchmark]: TraceAbstraction took 3248.41ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 65.3MB in the beginning and 69.2MB in the end (delta: -4.0MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2021-12-06 23:58:48,268 INFO L158 Benchmark]: Witness Printer took 707.13ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 68.2MB in the beginning and 114.9MB in the end (delta: -46.7MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. [2021-12-06 23:58:48,269 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 123.7MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1857.62ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 78.0MB in the beginning and 92.3MB in the end (delta: -14.3MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 114.33ms. Allocated memory is still 148.9MB. Free memory was 92.3MB in the beginning and 82.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.38ms. Allocated memory is still 148.9MB. Free memory was 82.3MB in the beginning and 75.5MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1020.15ms. Allocated memory is still 148.9MB. Free memory was 75.5MB in the beginning and 65.3MB in the end (delta: 10.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 3248.41ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 65.3MB in the beginning and 69.2MB in the end (delta: -4.0MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. * Witness Printer took 707.13ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 68.2MB in the beginning and 114.9MB in the end (delta: -46.7MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. * 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 17 procedures, 196 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 3, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 244 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 237 mSDsluCounter, 1916 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1333 mSDsCounter, 67 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 331 IncrementalHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 67 mSolverCounterUnsat, 583 mSDtfsCounter, 331 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 245 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=196occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 24 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 282 PreInvPairs, 294 NumberOfFragments, 417 HoareAnnotationTreeSize, 282 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 72 FomulaSimplificationsInter, 355 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 299 NumberOfCodeBlocks, 299 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 296 ConstructedInterpolants, 0 QuantifiedInterpolants, 432 SizeOfPredicates, 4 NumberOfNonLiveVariables, 4624 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 309/309 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: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6783]: Loop Invariant Derived loop invariant: 1 < queue && 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 8518]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2497]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8217]: Loop Invariant Derived loop invariant: !(0 < unknown-#StackHeapBarrier-unknown) || (queue <= 0 && queue <= queue) - InvariantResult [Line: 2337]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-06 23:58:48,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e336dda8-bef8-40bd-ae09-1c98867d178e/bin/uautomizer-DrprNOufMa/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