./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/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_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:08:23,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:08:23,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:08:23,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:08:23,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:08:23,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:08:23,658 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:08:23,661 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:08:23,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:08:23,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:08:23,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:08:23,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:08:23,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:08:23,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:08:23,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:08:23,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:08:23,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:08:23,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:08:23,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:08:23,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:08:23,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:08:23,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:08:23,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:08:23,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:08:23,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:08:23,692 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:08:23,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:08:23,694 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:08:23,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:08:23,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:08:23,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:08:23,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:08:23,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:08:23,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:08:23,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:08:23,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:08:23,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:08:23,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:08:23,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:08:23,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:08:23,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:08:23,706 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:08:23,753 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:08:23,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:08:23,755 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:08:23,755 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:08:23,756 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:08:23,757 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:08:23,758 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:08:23,758 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:08:23,758 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:08:23,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:08:23,760 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:08:23,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:08:23,760 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:08:23,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:08:23,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:08:23,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:08:23,761 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:08:23,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:08:23,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:08:23,762 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:08:23,762 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:08:23,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:08:23,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:08:23,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:08:23,763 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:08:23,763 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:08:23,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:08:23,764 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:08:23,764 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:08:23,764 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:08:23,764 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_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71e6233f0d05e5cf619ccd9274ea3c6050381d25e3875969761913952ef0c093 [2022-11-02 20:08:24,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:08:24,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:08:24,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:08:24,137 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:08:24,138 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:08:24,140 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i [2022-11-02 20:08:24,237 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/data/3fda4ac92/e39616ddea1945699423bf2a05fbfb20/FLAGe483046be [2022-11-02 20:08:25,320 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:08:25,323 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i [2022-11-02 20:08:25,370 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/data/3fda4ac92/e39616ddea1945699423bf2a05fbfb20/FLAGe483046be [2022-11-02 20:08:25,387 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/data/3fda4ac92/e39616ddea1945699423bf2a05fbfb20 [2022-11-02 20:08:25,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:08:25,395 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:08:25,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:08:25,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:08:25,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:08:25,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:08:25" (1/1) ... [2022-11-02 20:08:25,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@116f175b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:25, skipping insertion in model container [2022-11-02 20:08:25,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:08:25" (1/1) ... [2022-11-02 20:08:25,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:08:25,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:08:25,908 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_a5183703-ba91-454f-9e10-8e3e24a95f8a/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4499,4512] [2022-11-02 20:08:25,917 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_a5183703-ba91-454f-9e10-8e3e24a95f8a/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4559,4572] [2022-11-02 20:08:26,935 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:26,936 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:26,937 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:26,938 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:26,940 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:26,958 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:26,975 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:26,978 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:26,979 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:26,981 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:26,985 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:26,986 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:26,987 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:27,467 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-02 20:08:27,472 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-02 20:08:27,474 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-02 20:08:27,476 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-02 20:08:27,477 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-02 20:08:27,478 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-02 20:08:27,479 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-02 20:08:27,480 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-02 20:08:27,482 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-02 20:08:27,489 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-02 20:08:27,753 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-02 20:08:27,802 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:27,816 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:27,909 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:27,910 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:27,910 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:27,911 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:27,911 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:27,912 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:27,913 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:27,915 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:27,915 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:27,915 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:27,916 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:27,916 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:27,916 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:27,920 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:27,920 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:27,921 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:27,922 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:27,932 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:27,932 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:27,944 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:27,945 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:27,946 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:27,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:08:28,030 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:08:28,062 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_a5183703-ba91-454f-9e10-8e3e24a95f8a/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4499,4512] [2022-11-02 20:08:28,063 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_a5183703-ba91-454f-9e10-8e3e24a95f8a/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4559,4572] [2022-11-02 20:08:28,178 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,179 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,179 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,180 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,181 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,191 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,192 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,193 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,197 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,199 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,200 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,201 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,201 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,266 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-02 20:08:28,267 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-02 20:08:28,268 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-02 20:08:28,269 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-02 20:08:28,270 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-02 20:08:28,271 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-02 20:08:28,271 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-02 20:08:28,272 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-02 20:08:28,273 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-02 20:08:28,273 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-02 20:08:28,325 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-02 20:08:28,349 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,359 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,401 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,402 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,402 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,402 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,403 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,403 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,404 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,405 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,406 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,406 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,407 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,407 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,408 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,410 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,410 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,411 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,411 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,415 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,416 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,423 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,424 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,424 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:08:28,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:08:28,654 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:08:28,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:28 WrapperNode [2022-11-02 20:08:28,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:08:28,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:08:28,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:08:28,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:08:28,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:28" (1/1) ... [2022-11-02 20:08:28,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:28" (1/1) ... [2022-11-02 20:08:28,911 INFO L138 Inliner]: procedures = 698, calls = 1948, calls flagged for inlining = 62, calls inlined = 12, statements flattened = 765 [2022-11-02 20:08:28,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:08:28,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:08:28,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:08:28,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:08:28,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:28" (1/1) ... [2022-11-02 20:08:28,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:28" (1/1) ... [2022-11-02 20:08:28,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:28" (1/1) ... [2022-11-02 20:08:28,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:28" (1/1) ... [2022-11-02 20:08:28,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:28" (1/1) ... [2022-11-02 20:08:28,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:28" (1/1) ... [2022-11-02 20:08:28,987 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:28" (1/1) ... [2022-11-02 20:08:28,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:28" (1/1) ... [2022-11-02 20:08:29,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:08:29,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:08:29,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:08:29,003 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:08:29,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:28" (1/1) ... [2022-11-02 20:08:29,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:08:29,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:29,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:29,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:08:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-11-02 20:08:29,111 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-11-02 20:08:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:08:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-02 20:08:29,112 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-02 20:08:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-02 20:08:29,113 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-02 20:08:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-02 20:08:29,113 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-02 20:08:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:08:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-02 20:08:29,114 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-02 20:08:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-02 20:08:29,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-02 20:08:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:08:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:08:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:08:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:08:29,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:08:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-02 20:08:29,117 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-02 20:08:29,120 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-02 20:08:29,120 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-02 20:08:29,120 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-02 20:08:29,121 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-02 20:08:29,122 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-02 20:08:29,122 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-02 20:08:29,122 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-11-02 20:08:29,122 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-11-02 20:08:29,123 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:08:29,129 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:08:29,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:08:29,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:08:29,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:08:29,130 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-02 20:08:29,130 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-02 20:08:29,130 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-02 20:08:29,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-02 20:08:29,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:08:29,130 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-02 20:08:29,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-02 20:08:29,131 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2022-11-02 20:08:29,131 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2022-11-02 20:08:29,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:08:29,529 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:08:29,531 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:08:30,886 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:08:30,895 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:08:30,895 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:08:30,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:08:30 BoogieIcfgContainer [2022-11-02 20:08:30,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:08:30,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:08:30,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:08:30,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:08:30,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:08:25" (1/3) ... [2022-11-02 20:08:30,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c32d116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:08:30, skipping insertion in model container [2022-11-02 20:08:30,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:28" (2/3) ... [2022-11-02 20:08:30,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c32d116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:08:30, skipping insertion in model container [2022-11-02 20:08:30,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:08:30" (3/3) ... [2022-11-02 20:08:30,909 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_swap_harness.i [2022-11-02 20:08:30,933 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:08:30,933 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:08:31,028 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:08:31,039 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4831763d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:08:31,040 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:08:31,045 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) [2022-11-02 20:08:31,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-02 20:08:31,064 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:08:31,065 INFO L195 NwaCegarLoop]: 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] [2022-11-02 20:08:31,065 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:08:31,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:08:31,073 INFO L85 PathProgramCache]: Analyzing trace with hash 969840853, now seen corresponding path program 1 times [2022-11-02 20:08:31,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:08:31,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410450243] [2022-11-02 20:08:31,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:08:31,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:08:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:08:31,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:08:31,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410450243] [2022-11-02 20:08:31,839 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-02 20:08:31,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264407522] [2022-11-02 20:08:31,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:08:31,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:08:31,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:31,846 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:08:31,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:08:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:08:32,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 2284 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-02 20:08:32,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:08:32,654 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-11-02 20:08:32,654 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:08:32,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264407522] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:08:32,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:08:32,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:08:32,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352446856] [2022-11-02 20:08:32,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:08:32,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 20:08:32,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:08:32,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:08:32,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:08:32,707 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 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-02 20:08:32,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:08:32,791 INFO L93 Difference]: Finished difference Result 381 states and 541 transitions. [2022-11-02 20:08:32,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:08:32,795 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (14), 2 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 [2022-11-02 20:08:32,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:08:32,813 INFO L225 Difference]: With dead ends: 381 [2022-11-02 20:08:32,813 INFO L226 Difference]: Without dead ends: 191 [2022-11-02 20:08:32,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:08:32,828 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:08:32,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:08:32,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-11-02 20:08:32,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2022-11-02 20:08:32,899 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) [2022-11-02 20:08:32,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 250 transitions. [2022-11-02 20:08:32,905 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 250 transitions. Word has length 97 [2022-11-02 20:08:32,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:08:32,906 INFO L495 AbstractCegarLoop]: Abstraction has 191 states and 250 transitions. [2022-11-02 20:08:32,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-02 20:08:32,907 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 250 transitions. [2022-11-02 20:08:32,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-02 20:08:32,914 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:08:32,914 INFO L195 NwaCegarLoop]: 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] [2022-11-02 20:08:32,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:08:33,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:08:33,143 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:08:33,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:08:33,143 INFO L85 PathProgramCache]: Analyzing trace with hash -2144728741, now seen corresponding path program 1 times [2022-11-02 20:08:33,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:08:33,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636890367] [2022-11-02 20:08:33,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:08:33,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:08:33,327 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 20:08:33,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1757361602] [2022-11-02 20:08:33,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:08:33,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:08:33,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:33,329 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:08:33,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 20:08:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:08:34,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 2284 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-02 20:08:34,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:08:34,123 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-02 20:08:34,123 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:08:34,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:08:34,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636890367] [2022-11-02 20:08:34,124 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 20:08:34,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757361602] [2022-11-02 20:08:34,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757361602] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:08:34,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:08:34,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:08:34,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747350789] [2022-11-02 20:08:34,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:08:34,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:08:34,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:08:34,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:08:34,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:08:34,128 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) [2022-11-02 20:08:34,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:08:34,279 INFO L93 Difference]: Finished difference Result 348 states and 457 transitions. [2022-11-02 20:08:34,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:08:34,280 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 [2022-11-02 20:08:34,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:08:34,284 INFO L225 Difference]: With dead ends: 348 [2022-11-02 20:08:34,285 INFO L226 Difference]: Without dead ends: 193 [2022-11-02 20:08:34,286 INFO L412 NwaCegarLoop]: 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 [2022-11-02 20:08:34,287 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 2 mSDsluCounter, 935 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1176 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:08:34,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1176 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:08:34,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-11-02 20:08:34,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2022-11-02 20:08:34,305 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) [2022-11-02 20:08:34,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 253 transitions. [2022-11-02 20:08:34,327 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 253 transitions. Word has length 97 [2022-11-02 20:08:34,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:08:34,327 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 253 transitions. [2022-11-02 20:08:34,328 INFO L496 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) [2022-11-02 20:08:34,328 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 253 transitions. [2022-11-02 20:08:34,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-02 20:08:34,331 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:08:34,332 INFO L195 NwaCegarLoop]: 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] [2022-11-02 20:08:34,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:08:34,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:08:34,554 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:08:34,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:08:34,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1693315363, now seen corresponding path program 1 times [2022-11-02 20:08:34,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:08:34,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467109509] [2022-11-02 20:08:34,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:08:34,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:08:34,706 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 20:08:34,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [86544261] [2022-11-02 20:08:34,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:08:34,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:08:34,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:34,712 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:08:34,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-02 20:08:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:08:35,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 2340 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:08:35,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:08:35,515 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-02 20:08:35,515 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:08:35,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:08:35,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467109509] [2022-11-02 20:08:35,516 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 20:08:35,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86544261] [2022-11-02 20:08:35,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [86544261] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:08:35,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:08:35,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:08:35,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860154223] [2022-11-02 20:08:35,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:08:35,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:08:35,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:08:35,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:08:35,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:08:35,521 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) [2022-11-02 20:08:35,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:08:35,658 INFO L93 Difference]: Finished difference Result 263 states and 334 transitions. [2022-11-02 20:08:35,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:08:35,659 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 [2022-11-02 20:08:35,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:08:35,660 INFO L225 Difference]: With dead ends: 263 [2022-11-02 20:08:35,660 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:08:35,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:08:35,663 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 158 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:08:35,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 388 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:08:35,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:08:35,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:08:35,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:08:35,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:08:35,665 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 105 [2022-11-02 20:08:35,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:08:35,665 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:08:35,666 INFO L496 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) [2022-11-02 20:08:35,666 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:08:35,666 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:08:35,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:08:35,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:08:35,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:08:35,892 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 20:08:36,154 INFO L902 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6931 6936) the Hoare annotation is: true [2022-11-02 20:08:36,154 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6931 6936) no Hoare annotation was computed. [2022-11-02 20:08:36,154 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6931 6936) no Hoare annotation was computed. [2022-11-02 20:08:36,154 INFO L899 garLoopResultBuilder]: For program point L6932-1(lines 6932 6934) no Hoare annotation was computed. [2022-11-02 20:08:36,155 INFO L902 garLoopResultBuilder]: At program point L6932(lines 6932 6934) the Hoare annotation is: true [2022-11-02 20:08:36,155 INFO L899 garLoopResultBuilder]: For program point L8229-7(lines 8229 8232) no Hoare annotation was computed. [2022-11-02 20:08:36,155 INFO L899 garLoopResultBuilder]: For program point L8229-5(lines 8229 8232) no Hoare annotation was computed. [2022-11-02 20:08:36,155 INFO L899 garLoopResultBuilder]: For program point L8229-4(line 8229) no Hoare annotation was computed. [2022-11-02 20:08:36,155 INFO L899 garLoopResultBuilder]: For program point L8262-5(lines 8262 8263) no Hoare annotation was computed. [2022-11-02 20:08:36,156 INFO L899 garLoopResultBuilder]: For program point L8219(lines 8219 8223) no Hoare annotation was computed. [2022-11-02 20:08:36,156 INFO L899 garLoopResultBuilder]: For program point aws_priority_queue_is_validEXIT(lines 8275 8296) no Hoare annotation was computed. [2022-11-02 20:08:36,156 INFO L899 garLoopResultBuilder]: For program point L8271(line 8271) no Hoare annotation was computed. [2022-11-02 20:08:36,156 INFO L895 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|))) [2022-11-02 20:08:36,157 INFO L899 garLoopResultBuilder]: For program point L8271-4(line 8271) no Hoare annotation was computed. [2022-11-02 20:08:36,157 INFO L899 garLoopResultBuilder]: For program point L8271-3(line 8271) no Hoare annotation was computed. [2022-11-02 20:08:36,157 INFO L895 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|))) [2022-11-02 20:08:36,157 INFO L895 garLoopResultBuilder]: At program point L8290(line 8290) 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|))) [2022-11-02 20:08:36,157 INFO L899 garLoopResultBuilder]: For program point L8290-1(line 8290) no Hoare annotation was computed. [2022-11-02 20:08:36,158 INFO L902 garLoopResultBuilder]: At program point aws_priority_queue_is_validENTRY(lines 8275 8296) the Hoare annotation is: true [2022-11-02 20:08:36,158 INFO L899 garLoopResultBuilder]: For program point L8278(lines 8278 8282) no Hoare annotation was computed. [2022-11-02 20:08:36,158 INFO L899 garLoopResultBuilder]: For program point aws_priority_queue_is_validFINAL(lines 8275 8296) no Hoare annotation was computed. [2022-11-02 20:08:36,158 INFO L899 garLoopResultBuilder]: For program point L8262(line 8262) no Hoare annotation was computed. [2022-11-02 20:08:36,158 INFO L899 garLoopResultBuilder]: For program point L8229-2(line 8229) no Hoare annotation was computed. [2022-11-02 20:08:36,159 INFO L899 garLoopResultBuilder]: For program point L8262-3(lines 8262 8263) no Hoare annotation was computed. [2022-11-02 20:08:36,159 INFO L899 garLoopResultBuilder]: For program point L8229-1(line 8229) no Hoare annotation was computed. [2022-11-02 20:08:36,159 INFO L899 garLoopResultBuilder]: For program point L8262-2(line 8262) no Hoare annotation was computed. [2022-11-02 20:08:36,159 INFO L895 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|))) [2022-11-02 20:08:36,159 INFO L899 garLoopResultBuilder]: For program point L6747-1(line 6747) no Hoare annotation was computed. [2022-11-02 20:08:36,160 INFO L902 garLoopResultBuilder]: At program point L6747(line 6747) the Hoare annotation is: true [2022-11-02 20:08:36,160 INFO L899 garLoopResultBuilder]: For program point L6749-1(line 6749) no Hoare annotation was computed. [2022-11-02 20:08:36,160 INFO L902 garLoopResultBuilder]: At program point L6749(line 6749) the Hoare annotation is: true [2022-11-02 20:08:36,160 INFO L899 garLoopResultBuilder]: For program point L6743(line 6743) no Hoare annotation was computed. [2022-11-02 20:08:36,160 INFO L899 garLoopResultBuilder]: For program point L6743-4(lines 6742 6754) no Hoare annotation was computed. [2022-11-02 20:08:36,160 INFO L899 garLoopResultBuilder]: For program point L6743-2(lines 6743 6753) no Hoare annotation was computed. [2022-11-02 20:08:36,161 INFO L899 garLoopResultBuilder]: For program point ensure_array_list_has_allocated_data_memberEXIT(lines 6742 6754) no Hoare annotation was computed. [2022-11-02 20:08:36,161 INFO L902 garLoopResultBuilder]: At program point ensure_array_list_has_allocated_data_memberENTRY(lines 6742 6754) the Hoare annotation is: true [2022-11-02 20:08:36,161 INFO L902 garLoopResultBuilder]: At program point L6750(line 6750) the Hoare annotation is: true [2022-11-02 20:08:36,161 INFO L899 garLoopResultBuilder]: For program point L6752-1(line 6752) no Hoare annotation was computed. [2022-11-02 20:08:36,161 INFO L902 garLoopResultBuilder]: At program point L6752(line 6752) the Hoare annotation is: true [2022-11-02 20:08:36,162 INFO L899 garLoopResultBuilder]: For program point L6750-3(lines 6750 6752) no Hoare annotation was computed. [2022-11-02 20:08:36,162 INFO L899 garLoopResultBuilder]: For program point L6750-1(lines 6750 6752) no Hoare annotation was computed. [2022-11-02 20:08:36,162 INFO L899 garLoopResultBuilder]: For program point L6744-1(lines 6744 6746) no Hoare annotation was computed. [2022-11-02 20:08:36,162 INFO L902 garLoopResultBuilder]: At program point L6744(lines 6744 6746) the Hoare annotation is: true [2022-11-02 20:08:36,162 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_boundedEXIT(lines 6728 6740) no Hoare annotation was computed. [2022-11-02 20:08:36,163 INFO L902 garLoopResultBuilder]: At program point aws_array_list_is_boundedENTRY(lines 6728 6740) the Hoare annotation is: true [2022-11-02 20:08:36,163 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_boundedFINAL(lines 6728 6740) no Hoare annotation was computed. [2022-11-02 20:08:36,163 INFO L902 garLoopResultBuilder]: At program point aws_array_list_is_validENTRY(lines 2935 2962) the Hoare annotation is: true [2022-11-02 20:08:36,163 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_validEXIT(lines 2935 2962) no Hoare annotation was computed. [2022-11-02 20:08:36,163 INFO L899 garLoopResultBuilder]: For program point L2957(line 2957) no Hoare annotation was computed. [2022-11-02 20:08:36,163 INFO L899 garLoopResultBuilder]: For program point L2955(lines 2955 2956) no Hoare annotation was computed. [2022-11-02 20:08:36,164 INFO L899 garLoopResultBuilder]: For program point L2957-2(line 2957) no Hoare annotation was computed. [2022-11-02 20:08:36,164 INFO L899 garLoopResultBuilder]: For program point L2955-3(lines 2955 2957) no Hoare annotation was computed. [2022-11-02 20:08:36,164 INFO L899 garLoopResultBuilder]: For program point L2955-2(lines 2955 2956) no Hoare annotation was computed. [2022-11-02 20:08:36,164 INFO L899 garLoopResultBuilder]: For program point L2955-5(lines 2955 2957) no Hoare annotation was computed. [2022-11-02 20:08:36,164 INFO L899 garLoopResultBuilder]: For program point L2939(lines 2939 2943) no Hoare annotation was computed. [2022-11-02 20:08:36,165 INFO L902 garLoopResultBuilder]: At program point L2948(line 2948) the Hoare annotation is: true [2022-11-02 20:08:36,165 INFO L899 garLoopResultBuilder]: For program point L2948-1(line 2948) no Hoare annotation was computed. [2022-11-02 20:08:36,165 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_validFINAL(lines 2935 2962) no Hoare annotation was computed. [2022-11-02 20:08:36,165 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2022-11-02 20:08:36,165 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-11-02 20:08:36,165 INFO L902 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2022-11-02 20:08:36,166 INFO L899 garLoopResultBuilder]: For program point L7178(lines 7178 7180) no Hoare annotation was computed. [2022-11-02 20:08:36,166 INFO L899 garLoopResultBuilder]: For program point L7179-1(line 7179) no Hoare annotation was computed. [2022-11-02 20:08:36,166 INFO L899 garLoopResultBuilder]: For program point assert_byte_from_buffer_matchesEXIT(lines 7177 7181) no Hoare annotation was computed. [2022-11-02 20:08:36,166 INFO L902 garLoopResultBuilder]: At program point L7179(line 7179) the Hoare annotation is: true [2022-11-02 20:08:36,166 INFO L902 garLoopResultBuilder]: At program point assert_byte_from_buffer_matchesENTRY(lines 7177 7181) the Hoare annotation is: true [2022-11-02 20:08:36,167 INFO L899 garLoopResultBuilder]: For program point L7178-2(lines 7177 7181) no Hoare annotation was computed. [2022-11-02 20:08:36,167 INFO L899 garLoopResultBuilder]: For program point aws_mul_size_checkedEXIT(lines 2586 2594) no Hoare annotation was computed. [2022-11-02 20:08:36,167 INFO L899 garLoopResultBuilder]: For program point L2498-1(lines 2498 2499) no Hoare annotation was computed. [2022-11-02 20:08:36,167 INFO L899 garLoopResultBuilder]: For program point aws_mul_size_checkedFINAL(lines 2586 2594) no Hoare annotation was computed. [2022-11-02 20:08:36,167 INFO L902 garLoopResultBuilder]: At program point aws_mul_size_checkedENTRY(lines 2586 2594) the Hoare annotation is: true [2022-11-02 20:08:36,167 INFO L902 garLoopResultBuilder]: At program point L2501(lines 2497 2502) the Hoare annotation is: true [2022-11-02 20:08:36,168 INFO L902 garLoopResultBuilder]: At program point L2498(line 2498) the Hoare annotation is: true [2022-11-02 20:08:36,168 INFO L899 garLoopResultBuilder]: For program point L2499-1(line 2499) no Hoare annotation was computed. [2022-11-02 20:08:36,168 INFO L902 garLoopResultBuilder]: At program point L2499(line 2499) the Hoare annotation is: true [2022-11-02 20:08:36,168 INFO L899 garLoopResultBuilder]: For program point aws_priority_queue_backpointer_index_validEXIT(lines 8178 8194) no Hoare annotation was computed. [2022-11-02 20:08:36,168 INFO L902 garLoopResultBuilder]: At program point aws_priority_queue_backpointer_index_validENTRY(lines 8178 8194) the Hoare annotation is: true [2022-11-02 20:08:36,169 INFO L899 garLoopResultBuilder]: For program point aws_priority_queue_backpointer_index_validFINAL(lines 8178 8194) no Hoare annotation was computed. [2022-11-02 20:08:36,169 INFO L899 garLoopResultBuilder]: For program point L8185(lines 8185 8190) no Hoare annotation was computed. [2022-11-02 20:08:36,169 INFO L899 garLoopResultBuilder]: For program point L8180-1(lines 8180 8184) no Hoare annotation was computed. [2022-11-02 20:08:36,169 INFO L902 garLoopResultBuilder]: At program point L8180(line 8180) the Hoare annotation is: true [2022-11-02 20:08:36,169 INFO L902 garLoopResultBuilder]: At program point L2337-3(lines 2337 2343) the Hoare annotation is: true [2022-11-02 20:08:36,170 INFO L899 garLoopResultBuilder]: For program point L2337-2(lines 2337 2343) no Hoare annotation was computed. [2022-11-02 20:08:36,170 INFO L899 garLoopResultBuilder]: For program point L2337-4(lines 2337 2343) no Hoare annotation was computed. [2022-11-02 20:08:36,170 INFO L899 garLoopResultBuilder]: For program point aws_is_mem_zeroedEXIT(lines 2331 2348) no Hoare annotation was computed. [2022-11-02 20:08:36,170 INFO L902 garLoopResultBuilder]: At program point aws_is_mem_zeroedENTRY(lines 2331 2348) the Hoare annotation is: true [2022-11-02 20:08:36,170 INFO L899 garLoopResultBuilder]: For program point aws_is_mem_zeroedFINAL(lines 2331 2348) no Hoare annotation was computed. [2022-11-02 20:08:36,170 INFO L899 garLoopResultBuilder]: For program point L2338(lines 2338 2342) no Hoare annotation was computed. [2022-11-02 20:08:36,171 INFO L902 garLoopResultBuilder]: At program point can_fail_mallocENTRY(lines 6948 6952) the Hoare annotation is: true [2022-11-02 20:08:36,171 INFO L899 garLoopResultBuilder]: For program point L6951-1(line 6951) no Hoare annotation was computed. [2022-11-02 20:08:36,171 INFO L902 garLoopResultBuilder]: At program point L6951(line 6951) the Hoare annotation is: true [2022-11-02 20:08:36,171 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocFINAL(lines 6948 6952) no Hoare annotation was computed. [2022-11-02 20:08:36,171 INFO L899 garLoopResultBuilder]: For program point L6949-3(lines 6949 6951) no Hoare annotation was computed. [2022-11-02 20:08:36,171 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 6948 6952) no Hoare annotation was computed. [2022-11-02 20:08:36,172 INFO L899 garLoopResultBuilder]: For program point L6949-1(lines 6949 6951) no Hoare annotation was computed. [2022-11-02 20:08:36,172 INFO L902 garLoopResultBuilder]: At program point L6949(line 6949) the Hoare annotation is: true [2022-11-02 20:08:36,172 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2022-11-02 20:08:36,172 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-11-02 20:08:36,172 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-11-02 20:08:36,173 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-11-02 20:08:36,173 INFO L902 garLoopResultBuilder]: At program point aws_raise_errorENTRY(lines 1988 1999) the Hoare annotation is: true [2022-11-02 20:08:36,173 INFO L899 garLoopResultBuilder]: For program point L7366(lines 7366 7368) no Hoare annotation was computed. [2022-11-02 20:08:36,173 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorFINAL(lines 1988 1999) no Hoare annotation was computed. [2022-11-02 20:08:36,173 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2022-11-02 20:08:36,173 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6938 6940) no Hoare annotation was computed. [2022-11-02 20:08:36,174 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6938 6940) no Hoare annotation was computed. [2022-11-02 20:08:36,174 INFO L902 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6938 6940) the Hoare annotation is: true [2022-11-02 20:08:36,174 INFO L902 garLoopResultBuilder]: At program point __CPROVER_overflow_multENTRY(lines 253 256) the Hoare annotation is: true [2022-11-02 20:08:36,174 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_multEXIT(lines 253 256) no Hoare annotation was computed. [2022-11-02 20:08:36,174 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_multFINAL(lines 253 256) no Hoare annotation was computed. [2022-11-02 20:08:36,174 INFO L899 garLoopResultBuilder]: For program point L8475(lines 8475 8483) no Hoare annotation was computed. [2022-11-02 20:08:36,175 INFO L899 garLoopResultBuilder]: For program point L8450-1(line 8450) no Hoare annotation was computed. [2022-11-02 20:08:36,175 INFO L899 garLoopResultBuilder]: For program point L8475-2(lines 8475 8483) no Hoare annotation was computed. [2022-11-02 20:08:36,175 INFO L895 garLoopResultBuilder]: At program point L8492(line 8492) the Hoare annotation is: false [2022-11-02 20:08:36,175 INFO L899 garLoopResultBuilder]: For program point L8492-1(line 8492) no Hoare annotation was computed. [2022-11-02 20:08:36,175 INFO L899 garLoopResultBuilder]: For program point L6791-1(line 6791) no Hoare annotation was computed. [2022-11-02 20:08:36,176 INFO L895 garLoopResultBuilder]: At program point L6791(line 6791) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-11-02 20:08:36,176 INFO L895 garLoopResultBuilder]: At program point L8451(line 8451) the Hoare annotation is: false [2022-11-02 20:08:36,176 INFO L895 garLoopResultBuilder]: At program point L8451-1(line 8451) the Hoare annotation is: false [2022-11-02 20:08:36,176 INFO L899 garLoopResultBuilder]: For program point L7204-1(line 7204) no Hoare annotation was computed. [2022-11-02 20:08:36,176 INFO L895 garLoopResultBuilder]: At program point L7204(line 7204) the Hoare annotation is: false [2022-11-02 20:08:36,177 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 20:08:36,177 INFO L899 garLoopResultBuilder]: For program point L8451-2(line 8451) no Hoare annotation was computed. [2022-11-02 20:08:36,177 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 20:08:36,177 INFO L899 garLoopResultBuilder]: For program point L7196(lines 7196 7200) no Hoare annotation was computed. [2022-11-02 20:08:36,177 INFO L899 garLoopResultBuilder]: For program point L8460(lines 8460 8517) no Hoare annotation was computed. [2022-11-02 20:08:36,177 INFO L895 garLoopResultBuilder]: At program point L6800(lines 6783 6801) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-11-02 20:08:36,178 INFO L895 garLoopResultBuilder]: At program point L8452(line 8452) the Hoare annotation is: false [2022-11-02 20:08:36,178 INFO L895 garLoopResultBuilder]: At program point L8452-1(line 8452) the Hoare annotation is: false [2022-11-02 20:08:36,178 INFO L899 garLoopResultBuilder]: For program point L8452-2(line 8452) no Hoare annotation was computed. [2022-11-02 20:08:36,178 INFO L899 garLoopResultBuilder]: For program point L7205(lines 7205 7207) no Hoare annotation was computed. [2022-11-02 20:08:36,178 INFO L902 garLoopResultBuilder]: At program point L8518(line 8518) the Hoare annotation is: true [2022-11-02 20:08:36,178 INFO L895 garLoopResultBuilder]: At program point L8469(line 8469) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-11-02 20:08:36,179 INFO L895 garLoopResultBuilder]: At program point L8469-1(line 8469) the Hoare annotation is: (= 0 |ULTIMATE.start_aws_priority_queue_s_swap_harness_#t~ret954#1|) [2022-11-02 20:08:36,179 INFO L899 garLoopResultBuilder]: For program point L8469-2(line 8469) no Hoare annotation was computed. [2022-11-02 20:08:36,179 INFO L895 garLoopResultBuilder]: At program point L7206(line 7206) the Hoare annotation is: false [2022-11-02 20:08:36,179 INFO L899 garLoopResultBuilder]: For program point L7206-1(line 7206) no Hoare annotation was computed. [2022-11-02 20:08:36,179 INFO L899 garLoopResultBuilder]: For program point L8511-2(lines 8511 8513) no Hoare annotation was computed. [2022-11-02 20:08:36,180 INFO L899 garLoopResultBuilder]: For program point L8511(lines 8511 8513) no Hoare annotation was computed. [2022-11-02 20:08:36,180 INFO L899 garLoopResultBuilder]: For program point L8454(lines 8454 8457) no Hoare annotation was computed. [2022-11-02 20:08:36,180 INFO L899 garLoopResultBuilder]: For program point L7199-1(line 7199) no Hoare annotation was computed. [2022-11-02 20:08:36,180 INFO L895 garLoopResultBuilder]: At program point L7199(line 7199) the Hoare annotation is: false [2022-11-02 20:08:36,180 INFO L895 garLoopResultBuilder]: At program point L7191(lines 7191 7208) the Hoare annotation is: false [2022-11-02 20:08:36,180 INFO L899 garLoopResultBuilder]: For program point L6803(lines 6803 6807) no Hoare annotation was computed. [2022-11-02 20:08:36,181 INFO L899 garLoopResultBuilder]: For program point L7183(lines 7183 7189) no Hoare annotation was computed. [2022-11-02 20:08:36,181 INFO L895 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: false [2022-11-02 20:08:36,181 INFO L895 garLoopResultBuilder]: At program point L8455(line 8455) the Hoare annotation is: false [2022-11-02 20:08:36,181 INFO L899 garLoopResultBuilder]: For program point L8455-1(line 8455) no Hoare annotation was computed. [2022-11-02 20:08:36,181 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 20:08:36,181 INFO L895 garLoopResultBuilder]: At program point L8480(line 8480) the Hoare annotation is: false [2022-11-02 20:08:36,182 INFO L899 garLoopResultBuilder]: For program point L8480-1(line 8480) no Hoare annotation was computed. [2022-11-02 20:08:36,182 INFO L899 garLoopResultBuilder]: For program point L8447(lines 8447 8458) no Hoare annotation was computed. [2022-11-02 20:08:36,182 INFO L895 garLoopResultBuilder]: At program point L6804-1(line 6804) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-11-02 20:08:36,182 INFO L895 garLoopResultBuilder]: At program point L8472(line 8472) the Hoare annotation is: false [2022-11-02 20:08:36,182 INFO L895 garLoopResultBuilder]: At program point L6804(line 6804) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-11-02 20:08:36,183 INFO L899 garLoopResultBuilder]: For program point L8472-1(line 8472) no Hoare annotation was computed. [2022-11-02 20:08:36,183 INFO L899 garLoopResultBuilder]: For program point L7184(lines 7184 7188) no Hoare annotation was computed. [2022-11-02 20:08:36,183 INFO L895 garLoopResultBuilder]: At program point L8456(line 8456) the Hoare annotation is: false [2022-11-02 20:08:36,183 INFO L899 garLoopResultBuilder]: For program point L8456-1(line 8456) no Hoare annotation was computed. [2022-11-02 20:08:36,183 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 20:08:36,183 INFO L899 garLoopResultBuilder]: For program point L7201-1(line 7201) no Hoare annotation was computed. [2022-11-02 20:08:36,184 INFO L895 garLoopResultBuilder]: At program point L7201(line 7201) the Hoare annotation is: false [2022-11-02 20:08:36,184 INFO L895 garLoopResultBuilder]: At program point L8448(line 8448) the Hoare annotation is: false [2022-11-02 20:08:36,184 INFO L895 garLoopResultBuilder]: At program point L8448-1(line 8448) the Hoare annotation is: false [2022-11-02 20:08:36,184 INFO L899 garLoopResultBuilder]: For program point L8448-2(line 8448) no Hoare annotation was computed. [2022-11-02 20:08:36,184 INFO L895 garLoopResultBuilder]: At program point L8473(line 8473) the Hoare annotation is: false [2022-11-02 20:08:36,184 INFO L899 garLoopResultBuilder]: For program point L8473-1(line 8473) no Hoare annotation was computed. [2022-11-02 20:08:36,185 INFO L899 garLoopResultBuilder]: For program point L6805(line 6805) no Hoare annotation was computed. [2022-11-02 20:08:36,185 INFO L895 garLoopResultBuilder]: At program point L8465(line 8465) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-11-02 20:08:36,185 INFO L899 garLoopResultBuilder]: For program point L8465-1(line 8465) no Hoare annotation was computed. [2022-11-02 20:08:36,185 INFO L895 garLoopResultBuilder]: At program point L8515(line 8515) the Hoare annotation is: false [2022-11-02 20:08:36,185 INFO L895 garLoopResultBuilder]: At program point L8482(line 8482) the Hoare annotation is: false [2022-11-02 20:08:36,186 INFO L899 garLoopResultBuilder]: For program point L8515-1(line 8515) no Hoare annotation was computed. [2022-11-02 20:08:36,186 INFO L895 garLoopResultBuilder]: At program point L7202(line 7202) the Hoare annotation is: false [2022-11-02 20:08:36,186 INFO L895 garLoopResultBuilder]: At program point L8507(line 8507) the Hoare annotation is: false [2022-11-02 20:08:36,186 INFO L895 garLoopResultBuilder]: At program point L8507-1(line 8507) the Hoare annotation is: false [2022-11-02 20:08:36,186 INFO L899 garLoopResultBuilder]: For program point L7202-1(line 7202) no Hoare annotation was computed. [2022-11-02 20:08:36,186 INFO L899 garLoopResultBuilder]: For program point L8482-1(line 8482) no Hoare annotation was computed. [2022-11-02 20:08:36,187 INFO L895 garLoopResultBuilder]: At program point L8449(line 8449) the Hoare annotation is: false [2022-11-02 20:08:36,187 INFO L899 garLoopResultBuilder]: For program point L8449-1(line 8449) no Hoare annotation was computed. [2022-11-02 20:08:36,187 INFO L895 garLoopResultBuilder]: At program point L7186(line 7186) the Hoare annotation is: false [2022-11-02 20:08:36,187 INFO L899 garLoopResultBuilder]: For program point L8507-2(line 8507) no Hoare annotation was computed. [2022-11-02 20:08:36,187 INFO L895 garLoopResultBuilder]: At program point L6798(lines 6798 6799) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-11-02 20:08:36,187 INFO L899 garLoopResultBuilder]: For program point L7186-1(line 7186) no Hoare annotation was computed. [2022-11-02 20:08:36,188 INFO L899 garLoopResultBuilder]: For program point L6798-1(lines 6798 6799) no Hoare annotation was computed. [2022-11-02 20:08:36,188 INFO L895 garLoopResultBuilder]: At program point L8516(line 8516) the Hoare annotation is: false [2022-11-02 20:08:36,188 INFO L899 garLoopResultBuilder]: For program point L8516-1(line 8516) no Hoare annotation was computed. [2022-11-02 20:08:36,188 INFO L895 garLoopResultBuilder]: At program point L8450(line 8450) the Hoare annotation is: false [2022-11-02 20:08:36,188 INFO L899 garLoopResultBuilder]: For program point L7203-1(line 7203) no Hoare annotation was computed. [2022-11-02 20:08:36,189 INFO L895 garLoopResultBuilder]: At program point L7203(line 7203) the Hoare annotation is: false [2022-11-02 20:08:36,189 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-11-02 20:08:36,189 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-11-02 20:08:36,189 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-11-02 20:08:36,189 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-11-02 20:08:36,190 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-11-02 20:08:36,190 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-11-02 20:08:36,193 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-02 20:08:36,196 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:08:36,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:08:36 BoogieIcfgContainer [2022-11-02 20:08:36,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:08:36,225 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:08:36,225 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:08:36,225 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:08:36,226 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:08:30" (3/4) ... [2022-11-02 20:08:36,229 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:08:36,237 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2022-11-02 20:08:36,238 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-11-02 20:08:36,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_priority_queue_is_valid [2022-11-02 20:08:36,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_array_list_has_allocated_data_member [2022-11-02 20:08:36,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_bounded [2022-11-02 20:08:36,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_valid [2022-11-02 20:08:36,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-11-02 20:08:36,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-02 20:08:36,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2022-11-02 20:08:36,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-11-02 20:08:36,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2022-11-02 20:08:36,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_byte_from_buffer_matches [2022-11-02 20:08:36,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2022-11-02 20:08:36,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_priority_queue_backpointer_index_valid [2022-11-02 20:08:36,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_is_mem_zeroed [2022-11-02 20:08:36,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-02 20:08:36,266 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 151 nodes and edges [2022-11-02 20:08:36,270 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2022-11-02 20:08:36,272 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-02 20:08:36,273 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-02 20:08:36,274 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-02 20:08:36,275 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-02 20:08:36,277 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:08:36,279 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:08:37,334 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:08:37,335 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:08:37,336 INFO L158 Benchmark]: Toolchain (without parser) took 11940.20ms. Allocated memory was 117.4MB in the beginning and 270.5MB in the end (delta: 153.1MB). Free memory was 73.4MB in the beginning and 71.5MB in the end (delta: 1.9MB). Peak memory consumption was 153.9MB. Max. memory is 16.1GB. [2022-11-02 20:08:37,336 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 79.7MB. Free memory was 31.7MB in the beginning and 31.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:08:37,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3257.32ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 73.2MB in the beginning and 89.9MB in the end (delta: -16.7MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. [2022-11-02 20:08:37,337 INFO L158 Benchmark]: Boogie Procedure Inliner took 256.40ms. Allocated memory is still 159.4MB. Free memory was 89.9MB in the beginning and 79.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:08:37,337 INFO L158 Benchmark]: Boogie Preprocessor took 76.02ms. Allocated memory is still 159.4MB. Free memory was 79.4MB in the beginning and 73.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 20:08:37,337 INFO L158 Benchmark]: RCFGBuilder took 1895.53ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 73.1MB in the beginning and 115.7MB in the end (delta: -42.5MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2022-11-02 20:08:37,338 INFO L158 Benchmark]: TraceAbstraction took 5323.50ms. Allocated memory was 203.4MB in the beginning and 270.5MB in the end (delta: 67.1MB). Free memory was 114.6MB in the beginning and 195.3MB in the end (delta: -80.7MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. [2022-11-02 20:08:37,338 INFO L158 Benchmark]: Witness Printer took 1110.31ms. Allocated memory is still 270.5MB. Free memory was 195.3MB in the beginning and 71.5MB in the end (delta: 123.7MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. [2022-11-02 20:08:37,340 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 79.7MB. Free memory was 31.7MB in the beginning and 31.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3257.32ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 73.2MB in the beginning and 89.9MB in the end (delta: -16.7MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 256.40ms. Allocated memory is still 159.4MB. Free memory was 89.9MB in the beginning and 79.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.02ms. Allocated memory is still 159.4MB. Free memory was 79.4MB in the beginning and 73.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1895.53ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 73.1MB in the beginning and 115.7MB in the end (delta: -42.5MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. * TraceAbstraction took 5323.50ms. Allocated memory was 203.4MB in the beginning and 270.5MB in the end (delta: 67.1MB). Free memory was 114.6MB in the beginning and 195.3MB in the end (delta: -80.7MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. * Witness Printer took 1110.31ms. Allocated memory is still 270.5MB. Free memory was 195.3MB in the beginning and 71.5MB in the end (delta: 123.7MB). Peak memory consumption was 123.7MB. 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: 5.2s, OverallIterations: 3, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 160 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 160 mSDsluCounter, 1819 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1212 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 121 IncrementalHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 607 mSDtfsCounter, 121 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 300 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=196occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 282 PreInvPairs, 294 NumberOfFragments, 160 HoareAnnotationTreeSize, 282 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 72 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 396 NumberOfCodeBlocks, 396 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 296 ConstructedInterpolants, 0 QuantifiedInterpolants, 354 SizeOfPredicates, 4 NumberOfNonLiveVariables, 6908 ConjunctsInSsa, 15 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: 2 <= 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! [2022-11-02 20:08:37,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5183703-ba91-454f-9e10-8e3e24a95f8a/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE