./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_add_size_checked_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_add_size_checked_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 71dc4166aa59fbdc4a195c0e8e74ddbc9b62d6637364402122018edcdbc9b209 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:03:47,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:03:47,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:03:47,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:03:47,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:03:47,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:03:47,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:03:47,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:03:47,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:03:47,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:03:47,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:03:47,687 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:03:47,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:03:47,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:03:47,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:03:47,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:03:47,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:03:47,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:03:47,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:03:47,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:03:47,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:03:47,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:03:47,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:03:47,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:03:47,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:03:47,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:03:47,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:03:47,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:03:47,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:03:47,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:03:47,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:03:47,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:03:47,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:03:47,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:03:47,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:03:47,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:03:47,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:03:47,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:03:47,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:03:47,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:03:47,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:03:47,751 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 17:03:47,786 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:03:47,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:03:47,786 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:03:47,787 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:03:47,788 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:03:47,788 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:03:47,789 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:03:47,789 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:03:47,789 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:03:47,790 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:03:47,790 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:03:47,790 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:03:47,790 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:03:47,791 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:03:47,791 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:03:47,791 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:03:47,792 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:03:47,792 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:03:47,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:03:47,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:03:47,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:03:47,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:03:47,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:03:47,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:03:47,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:03:47,796 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:03:47,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:03:47,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:03:47,797 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:03:47,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:03:47,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:03:47,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:03:47,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:03:47,798 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:03:47,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:03:47,799 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:03:47,799 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:03:47,799 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:03:47,800 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71dc4166aa59fbdc4a195c0e8e74ddbc9b62d6637364402122018edcdbc9b209 [2021-11-23 17:03:48,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:03:48,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:03:48,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:03:48,162 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:03:48,163 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:03:48,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/aws-c-common/aws_add_size_checked_harness.i [2021-11-23 17:03:48,281 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/data/d5879b16a/3fe43b62b0d641f39428d3229ce0642f/FLAGbb9e506e1 [2021-11-23 17:03:49,322 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:03:49,323 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/sv-benchmarks/c/aws-c-common/aws_add_size_checked_harness.i [2021-11-23 17:03:49,381 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/data/d5879b16a/3fe43b62b0d641f39428d3229ce0642f/FLAGbb9e506e1 [2021-11-23 17:03:49,759 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/data/d5879b16a/3fe43b62b0d641f39428d3229ce0642f [2021-11-23 17:03:49,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:03:49,765 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:03:49,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:03:49,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:03:49,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:03:49,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:03:49" (1/1) ... [2021-11-23 17:03:49,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e00660f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:49, skipping insertion in model container [2021-11-23 17:03:49,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:03:49" (1/1) ... [2021-11-23 17:03:49,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:03:49,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:03:50,325 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_d6dda290-56e3-49ee-bf4c-fca34e60540b/sv-benchmarks/c/aws-c-common/aws_add_size_checked_harness.i[4494,4507] [2021-11-23 17:03:50,339 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_d6dda290-56e3-49ee-bf4c-fca34e60540b/sv-benchmarks/c/aws-c-common/aws_add_size_checked_harness.i[4554,4567] [2021-11-23 17:03:51,312 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:03:51,313 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:03:51,314 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:03:51,315 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:03:51,317 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:03:51,340 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:03:51,341 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:03:51,344 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:03:51,345 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:03:51,349 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:03:51,350 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:03:51,352 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:03:51,352 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:03:51,857 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:03:51,859 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:03:51,861 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:03:51,863 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:03:51,866 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:03:51,867 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:03:51,868 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:03:51,869 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:03:51,871 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:03:51,872 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:03:52,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:03:52,165 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:03:52,196 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_d6dda290-56e3-49ee-bf4c-fca34e60540b/sv-benchmarks/c/aws-c-common/aws_add_size_checked_harness.i[4494,4507] [2021-11-23 17:03:52,204 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_d6dda290-56e3-49ee-bf4c-fca34e60540b/sv-benchmarks/c/aws-c-common/aws_add_size_checked_harness.i[4554,4567] [2021-11-23 17:03:52,259 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:03:52,260 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:03:52,260 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:03:52,261 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:03:52,262 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:03:52,273 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:03:52,274 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:03:52,276 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:03:52,277 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:03:52,279 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:03:52,280 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:03:52,281 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:03:52,281 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:03:52,444 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:03:52,463 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:03:52,465 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:03:52,466 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:03:52,468 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:03:52,469 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:03:52,469 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:03:52,476 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:03:52,477 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:03:52,478 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:03:52,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:03:52,787 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:03:52,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:52 WrapperNode [2021-11-23 17:03:52,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:03:52,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:03:52,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:03:52,790 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:03:52,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:52" (1/1) ... [2021-11-23 17:03:52,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:52" (1/1) ... [2021-11-23 17:03:52,985 INFO L137 Inliner]: procedures = 681, calls = 1233, calls flagged for inlining = 38, calls inlined = 5, statements flattened = 520 [2021-11-23 17:03:52,986 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:03:52,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:03:52,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:03:52,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:03:53,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:52" (1/1) ... [2021-11-23 17:03:53,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:52" (1/1) ... [2021-11-23 17:03:53,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:52" (1/1) ... [2021-11-23 17:03:53,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:52" (1/1) ... [2021-11-23 17:03:53,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:52" (1/1) ... [2021-11-23 17:03:53,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:52" (1/1) ... [2021-11-23 17:03:53,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:52" (1/1) ... [2021-11-23 17:03:53,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:03:53,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:03:53,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:03:53,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:03:53,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:52" (1/1) ... [2021-11-23 17:03:53,152 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:03:53,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:03:53,192 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:03:53,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:03:53,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:03:53,262 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-23 17:03:53,264 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-23 17:03:53,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:03:53,264 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-23 17:03:53,266 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-23 17:03:53,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 17:03:53,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 17:03:53,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:03:53,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:03:53,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:03:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint32_t [2021-11-23 17:03:53,269 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint32_t [2021-11-23 17:03:53,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:03:53,269 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-11-23 17:03:53,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-11-23 17:03:53,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:03:53,270 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_u64_checked [2021-11-23 17:03:53,270 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_u64_checked [2021-11-23 17:03:53,270 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-23 17:03:53,270 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-23 17:03:53,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:03:53,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:03:53,576 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:03:53,579 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:03:54,749 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:03:54,874 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:03:54,875 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 17:03:54,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:03:54 BoogieIcfgContainer [2021-11-23 17:03:54,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:03:54,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:03:54,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:03:54,890 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:03:54,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:03:49" (1/3) ... [2021-11-23 17:03:54,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f6f7431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:03:54, skipping insertion in model container [2021-11-23 17:03:54,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:52" (2/3) ... [2021-11-23 17:03:54,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f6f7431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:03:54, skipping insertion in model container [2021-11-23 17:03:54,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:03:54" (3/3) ... [2021-11-23 17:03:54,895 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_add_size_checked_harness.i [2021-11-23 17:03:54,907 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:03:54,908 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:03:54,984 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:03:54,993 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 17:03:54,994 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:03:55,027 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 32 states have (on average 1.21875) internal successors, (39), 35 states have internal predecessors, (39), 16 states have call successors, (16), 7 states have call predecessors, (16), 7 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-23 17:03:55,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 17:03:55,036 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:03:55,037 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:03:55,037 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:03:55,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:03:55,044 INFO L85 PathProgramCache]: Analyzing trace with hash -2106338678, now seen corresponding path program 1 times [2021-11-23 17:03:55,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 17:03:55,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992116777] [2021-11-23 17:03:55,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:03:55,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 17:03:55,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 17:03:55,232 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:03:55,248 INFO L158 Benchmark]: Toolchain (without parser) took 5481.62ms. Allocated memory was 94.4MB in the beginning and 190.8MB in the end (delta: 96.5MB). Free memory was 54.3MB in the beginning and 108.6MB in the end (delta: -54.4MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2021-11-23 17:03:55,251 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 94.4MB. Free memory was 51.8MB in the beginning and 51.7MB in the end (delta: 78.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:03:55,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3018.58ms. Allocated memory was 94.4MB in the beginning and 130.0MB in the end (delta: 35.7MB). Free memory was 54.1MB in the beginning and 63.0MB in the end (delta: -9.0MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. [2021-11-23 17:03:55,254 INFO L158 Benchmark]: Boogie Procedure Inliner took 196.16ms. Allocated memory is still 130.0MB. Free memory was 63.0MB in the beginning and 55.5MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:03:55,256 INFO L158 Benchmark]: Boogie Preprocessor took 144.75ms. Allocated memory was 130.0MB in the beginning and 190.8MB in the end (delta: 60.8MB). Free memory was 55.5MB in the beginning and 147.6MB in the end (delta: -92.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 17:03:55,259 INFO L158 Benchmark]: RCFGBuilder took 1746.67ms. Allocated memory is still 190.8MB. Free memory was 147.6MB in the beginning and 121.2MB in the end (delta: 26.4MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2021-11-23 17:03:55,262 INFO L158 Benchmark]: TraceAbstraction took 361.87ms. Allocated memory is still 190.8MB. Free memory was 121.2MB in the beginning and 108.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:03:55,269 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 94.4MB. Free memory was 51.8MB in the beginning and 51.7MB in the end (delta: 78.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3018.58ms. Allocated memory was 94.4MB in the beginning and 130.0MB in the end (delta: 35.7MB). Free memory was 54.1MB in the beginning and 63.0MB in the end (delta: -9.0MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 196.16ms. Allocated memory is still 130.0MB. Free memory was 63.0MB in the beginning and 55.5MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 144.75ms. Allocated memory was 130.0MB in the beginning and 190.8MB in the end (delta: 60.8MB). Free memory was 55.5MB in the beginning and 147.6MB in the end (delta: -92.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1746.67ms. Allocated memory is still 190.8MB. Free memory was 147.6MB in the beginning and 121.2MB in the end (delta: 26.4MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * TraceAbstraction took 361.87ms. Allocated memory is still 190.8MB. Free memory was 121.2MB in the beginning and 108.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:03:55,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_add_size_checked_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 71dc4166aa59fbdc4a195c0e8e74ddbc9b62d6637364402122018edcdbc9b209 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:03:58,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:03:58,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:03:58,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:03:58,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:03:58,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:03:58,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:03:58,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:03:58,227 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:03:58,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:03:58,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:03:58,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:03:58,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:03:58,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:03:58,249 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:03:58,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:03:58,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:03:58,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:03:58,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:03:58,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:03:58,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:03:58,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:03:58,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:03:58,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:03:58,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:03:58,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:03:58,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:03:58,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:03:58,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:03:58,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:03:58,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:03:58,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:03:58,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:03:58,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:03:58,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:03:58,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:03:58,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:03:58,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:03:58,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:03:58,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:03:58,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:03:58,322 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 17:03:58,382 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:03:58,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:03:58,384 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:03:58,384 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:03:58,385 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:03:58,386 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:03:58,386 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:03:58,386 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:03:58,386 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:03:58,387 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:03:58,388 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:03:58,389 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:03:58,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:03:58,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:03:58,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:03:58,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:03:58,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:03:58,392 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:03:58,393 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:03:58,393 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:03:58,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:03:58,394 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:03:58,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:03:58,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:03:58,394 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:03:58,395 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:03:58,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:03:58,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:03:58,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:03:58,396 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:03:58,396 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:03:58,396 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:03:58,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:03:58,398 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:03:58,398 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:03:58,398 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71dc4166aa59fbdc4a195c0e8e74ddbc9b62d6637364402122018edcdbc9b209 [2021-11-23 17:03:58,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:03:58,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:03:58,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:03:58,904 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:03:58,905 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:03:58,907 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/aws-c-common/aws_add_size_checked_harness.i [2021-11-23 17:03:59,007 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/data/f065007dc/1f78a864c8f14d2d9b3b4d32628d6eb4/FLAGdd4fe06ac [2021-11-23 17:04:00,311 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:04:00,314 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/sv-benchmarks/c/aws-c-common/aws_add_size_checked_harness.i [2021-11-23 17:04:00,367 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/data/f065007dc/1f78a864c8f14d2d9b3b4d32628d6eb4/FLAGdd4fe06ac [2021-11-23 17:04:00,612 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/data/f065007dc/1f78a864c8f14d2d9b3b4d32628d6eb4 [2021-11-23 17:04:00,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:04:00,617 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:04:00,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:04:00,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:04:00,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:04:00,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:04:00" (1/1) ... [2021-11-23 17:04:00,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ab83aff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:00, skipping insertion in model container [2021-11-23 17:04:00,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:04:00" (1/1) ... [2021-11-23 17:04:00,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:04:00,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:04:01,205 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_d6dda290-56e3-49ee-bf4c-fca34e60540b/sv-benchmarks/c/aws-c-common/aws_add_size_checked_harness.i[4494,4507] [2021-11-23 17:04:01,217 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_d6dda290-56e3-49ee-bf4c-fca34e60540b/sv-benchmarks/c/aws-c-common/aws_add_size_checked_harness.i[4554,4567] [2021-11-23 17:04:02,288 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:04:02,290 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:04:02,290 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:04:02,292 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:04:02,294 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:04:02,317 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:04:02,318 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:04:02,321 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:04:02,322 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:04:02,325 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:04:02,327 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:04:02,329 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:04:02,329 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:04:02,819 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:04:02,821 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:04:02,822 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:04:02,824 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:04:02,827 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:04:02,828 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:04:02,829 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:04:02,830 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:04:02,831 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:04:02,832 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:04:03,094 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:04:03,136 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:04:03,155 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_d6dda290-56e3-49ee-bf4c-fca34e60540b/sv-benchmarks/c/aws-c-common/aws_add_size_checked_harness.i[4494,4507] [2021-11-23 17:04:03,156 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_d6dda290-56e3-49ee-bf4c-fca34e60540b/sv-benchmarks/c/aws-c-common/aws_add_size_checked_harness.i[4554,4567] [2021-11-23 17:04:03,277 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:04:03,278 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:04:03,278 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:04:03,279 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:04:03,280 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:04:03,293 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:04:03,293 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:04:03,295 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:04:03,296 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:04:03,298 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:04:03,299 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:04:03,300 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:04:03,300 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:04:03,357 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:04:03,359 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:04:03,360 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:04:03,362 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:04:03,363 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:04:03,364 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:04:03,365 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:04:03,366 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:04:03,367 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:04:03,368 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:04:03,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:04:03,774 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:04:03,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:03 WrapperNode [2021-11-23 17:04:03,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:04:03,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:04:03,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:04:03,777 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:04:03,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:03" (1/1) ... [2021-11-23 17:04:03,915 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:03" (1/1) ... [2021-11-23 17:04:04,062 INFO L137 Inliner]: procedures = 701, calls = 1233, calls flagged for inlining = 38, calls inlined = 5, statements flattened = 518 [2021-11-23 17:04:04,063 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:04:04,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:04:04,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:04:04,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:04:04,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:03" (1/1) ... [2021-11-23 17:04:04,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:03" (1/1) ... [2021-11-23 17:04:04,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:03" (1/1) ... [2021-11-23 17:04:04,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:03" (1/1) ... [2021-11-23 17:04:04,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:03" (1/1) ... [2021-11-23 17:04:04,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:03" (1/1) ... [2021-11-23 17:04:04,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:03" (1/1) ... [2021-11-23 17:04:04,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:04:04,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:04:04,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:04:04,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:04:04,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:03" (1/1) ... [2021-11-23 17:04:04,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:04:04,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:04:04,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:04:04,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:04:04,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:04:04,310 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-23 17:04:04,310 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-23 17:04:04,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:04:04,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 17:04:04,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 17:04:04,311 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-23 17:04:04,311 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-23 17:04:04,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 17:04:04,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 17:04:04,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:04:04,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:04:04,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:04:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 17:04:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 17:04:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint32_t [2021-11-23 17:04:04,314 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint32_t [2021-11-23 17:04:04,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:04:04,314 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-11-23 17:04:04,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-11-23 17:04:04,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 17:04:04,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:04:04,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:04:04,315 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_u64_checked [2021-11-23 17:04:04,316 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_u64_checked [2021-11-23 17:04:04,316 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-23 17:04:04,316 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-23 17:04:04,680 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:04:04,685 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:04:06,022 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:04:06,031 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:04:06,032 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 17:04:06,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:04:06 BoogieIcfgContainer [2021-11-23 17:04:06,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:04:06,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:04:06,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:04:06,042 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:04:06,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:04:00" (1/3) ... [2021-11-23 17:04:06,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40c46899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:04:06, skipping insertion in model container [2021-11-23 17:04:06,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:03" (2/3) ... [2021-11-23 17:04:06,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40c46899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:04:06, skipping insertion in model container [2021-11-23 17:04:06,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:04:06" (3/3) ... [2021-11-23 17:04:06,046 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_add_size_checked_harness.i [2021-11-23 17:04:06,054 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:04:06,054 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:04:06,142 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:04:06,150 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 17:04:06,150 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:04:06,173 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 41 states have (on average 1.170731707317073) internal successors, (48), 44 states have internal predecessors, (48), 16 states have call successors, (16), 7 states have call predecessors, (16), 7 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-23 17:04:06,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 17:04:06,185 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:04:06,186 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:04:06,186 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:04:06,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:04:06,200 INFO L85 PathProgramCache]: Analyzing trace with hash -2141219952, now seen corresponding path program 1 times [2021-11-23 17:04:06,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:04:06,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1931637778] [2021-11-23 17:04:06,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:04:06,221 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:04:06,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:04:06,226 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:04:06,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:04:06,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:04:06,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:04:06,575 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:04:06,586 INFO L158 Benchmark]: Toolchain (without parser) took 5967.71ms. Allocated memory was 62.9MB in the beginning and 140.5MB in the end (delta: 77.6MB). Free memory was 36.5MB in the beginning and 48.8MB in the end (delta: -12.2MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2021-11-23 17:04:06,589 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 62.9MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:04:06,593 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3156.86ms. Allocated memory was 62.9MB in the beginning and 102.8MB in the end (delta: 39.8MB). Free memory was 36.4MB in the beginning and 44.1MB in the end (delta: -7.7MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2021-11-23 17:04:06,595 INFO L158 Benchmark]: Boogie Procedure Inliner took 287.04ms. Allocated memory was 102.8MB in the beginning and 140.5MB in the end (delta: 37.7MB). Free memory was 44.1MB in the beginning and 103.6MB in the end (delta: -59.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 17:04:06,597 INFO L158 Benchmark]: Boogie Preprocessor took 126.65ms. Allocated memory is still 140.5MB. Free memory was 103.6MB in the beginning and 98.5MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:04:06,599 INFO L158 Benchmark]: RCFGBuilder took 1843.18ms. Allocated memory is still 140.5MB. Free memory was 98.5MB in the beginning and 62.7MB in the end (delta: 35.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2021-11-23 17:04:06,600 INFO L158 Benchmark]: TraceAbstraction took 546.08ms. Allocated memory is still 140.5MB. Free memory was 61.6MB in the beginning and 48.8MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:04:06,607 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 62.9MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3156.86ms. Allocated memory was 62.9MB in the beginning and 102.8MB in the end (delta: 39.8MB). Free memory was 36.4MB in the beginning and 44.1MB in the end (delta: -7.7MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 287.04ms. Allocated memory was 102.8MB in the beginning and 140.5MB in the end (delta: 37.7MB). Free memory was 44.1MB in the beginning and 103.6MB in the end (delta: -59.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 126.65ms. Allocated memory is still 140.5MB. Free memory was 103.6MB in the beginning and 98.5MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1843.18ms. Allocated memory is still 140.5MB. Free memory was 98.5MB in the beginning and 62.7MB in the end (delta: 35.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 546.08ms. Allocated memory is still 140.5MB. Free memory was 61.6MB in the beginning and 48.8MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:04:06,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6dda290-56e3-49ee-bf4c-fca34e60540b/bin/utaipan-fb15Y9Yzbl/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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable