./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_swap_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_table_swap_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 50333b6a17e96dff6400d2c6a85c0145ae494daf76266f6b6d6936a12a6b2527 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:31:56,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:31:56,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:31:56,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:31:56,452 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:31:56,456 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:31:56,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:31:56,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:31:56,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:31:56,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:31:56,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:31:56,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:31:56,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:31:56,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:31:56,472 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:31:56,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:31:56,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:31:56,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:31:56,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:31:56,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:31:56,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:31:56,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:31:56,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:31:56,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:31:56,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:31:56,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:31:56,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:31:56,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:31:56,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:31:56,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:31:56,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:31:56,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:31:56,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:31:56,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:31:56,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:31:56,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:31:56,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:31:56,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:31:56,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:31:56,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:31:56,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:31:56,495 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:31:56,516 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:31:56,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:31:56,517 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:31:56,517 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:31:56,517 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:31:56,517 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:31:56,518 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:31:56,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:31:56,518 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:31:56,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:31:56,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:31:56,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:31:56,519 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:31:56,519 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:31:56,519 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:31:56,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:31:56,519 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:31:56,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:31:56,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:31:56,520 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:31:56,520 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:31:56,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:56,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:31:56,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:31:56,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:31:56,521 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:31:56,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:31:56,521 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:31:56,521 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:31:56,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:31:56,522 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:31:56,522 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50333b6a17e96dff6400d2c6a85c0145ae494daf76266f6b6d6936a12a6b2527 [2021-12-15 12:31:56,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:31:56,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:31:56,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:31:56,740 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:31:56,741 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:31:56,741 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_swap_harness.i [2021-12-15 12:31:56,784 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00a07d2e2/7b4c7a273ffb48a89030c5d5154f8efe/FLAG4031e0767 [2021-12-15 12:31:57,305 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:31:57,308 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_swap_harness.i [2021-12-15 12:31:57,342 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00a07d2e2/7b4c7a273ffb48a89030c5d5154f8efe/FLAG4031e0767 [2021-12-15 12:31:57,814 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00a07d2e2/7b4c7a273ffb48a89030c5d5154f8efe [2021-12-15 12:31:57,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:31:57,818 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:31:57,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:57,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:31:57,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:31:57,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:57" (1/1) ... [2021-12-15 12:31:57,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7350cedb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:57, skipping insertion in model container [2021-12-15 12:31:57,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:57" (1/1) ... [2021-12-15 12:31:57,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:31:57,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:31:58,137 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_swap_harness.i[4493,4506] [2021-12-15 12:31:58,145 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_swap_harness.i[4553,4566] [2021-12-15 12:31:58,791 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:58,792 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:58,792 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:58,792 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:58,793 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:58,812 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:58,812 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:58,814 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:58,815 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:58,816 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:58,817 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:58,818 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:58,818 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,147 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:59,150 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:59,152 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:59,153 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:59,154 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:59,155 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:59,155 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:59,156 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:59,156 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:59,157 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:59,359 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:59,607 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,608 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,625 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,627 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,632 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,632 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,646 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,647 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,648 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,649 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,649 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,649 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,649 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:59,711 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:31:59,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_swap_harness.i[4493,4506] [2021-12-15 12:31:59,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_swap_harness.i[4553,4566] [2021-12-15 12:31:59,799 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,799 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,800 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,800 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,800 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,803 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,803 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,804 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,804 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,805 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,805 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,805 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,806 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,821 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:59,821 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:59,822 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:59,822 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:59,823 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:59,823 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:59,823 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:59,823 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:59,824 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:59,824 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:59,845 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:59,924 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,924 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,929 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,930 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,932 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,932 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,943 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,944 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,944 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,945 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,945 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,946 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,946 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:59,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:32:00,179 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:32:00,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:00 WrapperNode [2021-12-15 12:32:00,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:32:00,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:32:00,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:32:00,181 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:32:00,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:00" (1/1) ... [2021-12-15 12:32:00,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:00" (1/1) ... [2021-12-15 12:32:00,332 INFO L137 Inliner]: procedures = 774, calls = 2441, calls flagged for inlining = 66, calls inlined = 9, statements flattened = 599 [2021-12-15 12:32:00,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:32:00,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:32:00,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:32:00,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:32:00,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:00" (1/1) ... [2021-12-15 12:32:00,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:00" (1/1) ... [2021-12-15 12:32:00,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:00" (1/1) ... [2021-12-15 12:32:00,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:00" (1/1) ... [2021-12-15 12:32:00,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:00" (1/1) ... [2021-12-15 12:32:00,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:00" (1/1) ... [2021-12-15 12:32:00,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:00" (1/1) ... [2021-12-15 12:32:00,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:32:00,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:32:00,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:32:00,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:32:00,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:00" (1/1) ... [2021-12-15 12:32:00,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:32:00,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:32:00,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:32:00,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:32:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-15 12:32:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_hash_table [2021-12-15 12:32:00,475 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_hash_table [2021-12-15 12:32:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:32:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-15 12:32:00,476 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-15 12:32:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:32:00,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:32:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2021-12-15 12:32:00,476 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2021-12-15 12:32:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:32:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:32:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:32:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:32:00,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:32:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:32:00,477 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:32:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-15 12:32:00,477 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-15 12:32:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:32:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-12-15 12:32:00,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-12-15 12:32:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:32:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-15 12:32:00,478 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-15 12:32:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:32:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2021-12-15 12:32:00,479 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2021-12-15 12:32:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:32:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2021-12-15 12:32:00,479 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2021-12-15 12:32:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:32:00,479 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:32:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2021-12-15 12:32:00,479 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2021-12-15 12:32:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:32:00,480 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_allocated_hash_table [2021-12-15 12:32:00,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_allocated_hash_table [2021-12-15 12:32:00,480 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-15 12:32:00,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-15 12:32:00,480 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-12-15 12:32:00,481 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-12-15 12:32:00,481 INFO L130 BoogieDeclarations]: Found specification of procedure check_hash_table_unchanged [2021-12-15 12:32:00,483 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hash_table_unchanged [2021-12-15 12:32:00,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:32:00,763 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:32:00,764 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:32:01,327 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:32:01,336 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:32:01,337 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:32:01,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:32:01 BoogieIcfgContainer [2021-12-15 12:32:01,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:32:01,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:32:01,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:32:01,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:32:01,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:31:57" (1/3) ... [2021-12-15 12:32:01,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c7a6038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:32:01, skipping insertion in model container [2021-12-15 12:32:01,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:00" (2/3) ... [2021-12-15 12:32:01,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c7a6038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:32:01, skipping insertion in model container [2021-12-15 12:32:01,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:32:01" (3/3) ... [2021-12-15 12:32:01,354 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_table_swap_harness.i [2021-12-15 12:32:01,359 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:32:01,360 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:32:01,401 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:32:01,406 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 12:32:01,406 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:32:01,420 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 83 states have (on average 1.180722891566265) internal successors, (98), 88 states have internal predecessors, (98), 35 states have call successors, (35), 16 states have call predecessors, (35), 16 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2021-12-15 12:32:01,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-15 12:32:01,425 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:32:01,425 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:32:01,425 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:32:01,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:32:01,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1925006632, now seen corresponding path program 1 times [2021-12-15 12:32:01,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:32:01,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353490712] [2021-12-15 12:32:01,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:32:01,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:32:01,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:32:01,523 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) [2021-12-15 12:32:01,528 INFO L158 Benchmark]: Toolchain (without parser) took 3709.47ms. Allocated memory was 86.0MB in the beginning and 176.2MB in the end (delta: 90.2MB). Free memory was 57.2MB in the beginning and 93.6MB in the end (delta: -36.4MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2021-12-15 12:32:01,530 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 86.0MB. Free memory was 66.1MB in the beginning and 66.0MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:32:01,530 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2358.95ms. Allocated memory was 86.0MB in the beginning and 146.8MB in the end (delta: 60.8MB). Free memory was 57.0MB in the beginning and 63.1MB in the end (delta: -6.1MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. [2021-12-15 12:32:01,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 152.59ms. Allocated memory is still 146.8MB. Free memory was 63.1MB in the beginning and 89.9MB in the end (delta: -26.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:32:01,533 INFO L158 Benchmark]: Boogie Preprocessor took 66.42ms. Allocated memory is still 146.8MB. Free memory was 89.9MB in the beginning and 83.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 12:32:01,533 INFO L158 Benchmark]: RCFGBuilder took 944.21ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 83.6MB in the beginning and 108.3MB in the end (delta: -24.7MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2021-12-15 12:32:01,534 INFO L158 Benchmark]: TraceAbstraction took 179.47ms. Allocated memory is still 176.2MB. Free memory was 108.3MB in the beginning and 93.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:32:01,535 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 86.0MB. Free memory was 66.1MB in the beginning and 66.0MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2358.95ms. Allocated memory was 86.0MB in the beginning and 146.8MB in the end (delta: 60.8MB). Free memory was 57.0MB in the beginning and 63.1MB in the end (delta: -6.1MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 152.59ms. Allocated memory is still 146.8MB. Free memory was 63.1MB in the beginning and 89.9MB in the end (delta: -26.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.42ms. Allocated memory is still 146.8MB. Free memory was 89.9MB in the beginning and 83.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 944.21ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 83.6MB in the beginning and 108.3MB in the end (delta: -24.7MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. * TraceAbstraction took 179.47ms. Allocated memory is still 176.2MB. Free memory was 108.3MB in the beginning and 93.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. 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. [2021-12-15 12:32:01,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_table_swap_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 50333b6a17e96dff6400d2c6a85c0145ae494daf76266f6b6d6936a12a6b2527 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:32:03,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:32:03,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:32:03,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:32:03,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:32:03,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:32:03,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:32:03,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:32:03,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:32:03,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:32:03,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:32:03,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:32:03,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:32:03,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:32:03,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:32:03,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:32:03,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:32:03,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:32:03,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:32:03,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:32:03,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:32:03,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:32:03,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:32:03,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:32:03,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:32:03,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:32:03,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:32:03,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:32:03,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:32:03,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:32:03,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:32:03,228 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:32:03,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:32:03,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:32:03,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:32:03,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:32:03,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:32:03,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:32:03,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:32:03,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:32:03,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:32:03,233 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:32:03,251 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:32:03,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:32:03,253 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:32:03,253 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:32:03,254 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:32:03,254 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:32:03,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:32:03,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:32:03,255 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:32:03,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:32:03,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:32:03,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:32:03,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:32:03,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:32:03,256 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:32:03,256 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:32:03,256 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:32:03,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:32:03,257 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:32:03,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:32:03,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:32:03,257 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:32:03,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:32:03,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:32:03,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:32:03,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:32:03,258 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:32:03,258 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:32:03,258 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:32:03,258 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:32:03,258 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:32:03,259 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:32:03,259 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:32:03,259 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:32:03,259 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50333b6a17e96dff6400d2c6a85c0145ae494daf76266f6b6d6936a12a6b2527 [2021-12-15 12:32:03,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:32:03,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:32:03,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:32:03,525 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:32:03,526 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:32:03,527 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_swap_harness.i [2021-12-15 12:32:03,576 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/522e503ea/44cb9ecc89744c1d9ffb1d5da3445873/FLAGd985ab21f [2021-12-15 12:32:04,242 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:32:04,242 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_swap_harness.i [2021-12-15 12:32:04,276 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/522e503ea/44cb9ecc89744c1d9ffb1d5da3445873/FLAGd985ab21f [2021-12-15 12:32:04,613 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/522e503ea/44cb9ecc89744c1d9ffb1d5da3445873 [2021-12-15 12:32:04,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:32:04,617 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:32:04,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:32:04,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:32:04,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:32:04,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:32:04" (1/1) ... [2021-12-15 12:32:04,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a294d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:04, skipping insertion in model container [2021-12-15 12:32:04,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:32:04" (1/1) ... [2021-12-15 12:32:04,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:32:04,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:32:04,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_swap_harness.i[4493,4506] [2021-12-15 12:32:04,942 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_swap_harness.i[4553,4566] [2021-12-15 12:32:05,628 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:05,633 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:05,633 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:05,634 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:05,635 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:05,643 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:05,644 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:05,645 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:05,645 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:05,647 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:05,647 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:05,648 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:05,648 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:05,890 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:32:05,891 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:32:05,892 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:32:05,893 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:32:05,894 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:32:05,894 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:32:05,895 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:32:05,895 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:32:05,895 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:32:05,896 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:32:06,025 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:32:06,260 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,261 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,283 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,284 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,289 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,291 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,307 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,307 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,308 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,308 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,309 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,309 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,309 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:32:06,388 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:32:06,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:32:06,429 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_swap_harness.i[4493,4506] [2021-12-15 12:32:06,429 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_swap_harness.i[4553,4566] [2021-12-15 12:32:06,473 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,473 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,474 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,474 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,475 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,480 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,480 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,481 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,481 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,483 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,485 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,485 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,485 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,512 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:32:06,513 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:32:06,514 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:32:06,515 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:32:06,515 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:32:06,516 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:32:06,516 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:32:06,516 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:32:06,517 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:32:06,517 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:32:06,536 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:32:06,633 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,633 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,639 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,640 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,641 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,642 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,653 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,653 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,654 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,654 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,654 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,655 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,655 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:32:06,703 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:32:06,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_swap_harness.i[4493,4506] [2021-12-15 12:32:06,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_swap_harness.i[4553,4566] [2021-12-15 12:32:06,759 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,759 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,759 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,759 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,759 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,762 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,762 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,763 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,763 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,763 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,764 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,764 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,764 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,781 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:32:06,782 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:32:06,782 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:32:06,783 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:32:06,783 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:32:06,784 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:32:06,784 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:32:06,785 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:32:06,785 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:32:06,785 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:32:06,796 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:32:06,910 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,910 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,919 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,920 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,923 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,923 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,952 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,953 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,953 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,953 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,954 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,954 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,954 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:06,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:32:07,182 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:32:07,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:07 WrapperNode [2021-12-15 12:32:07,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:32:07,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:32:07,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:32:07,184 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:32:07,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:07" (1/1) ... [2021-12-15 12:32:07,315 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:07" (1/1) ... [2021-12-15 12:32:07,395 INFO L137 Inliner]: procedures = 794, calls = 2441, calls flagged for inlining = 68, calls inlined = 9, statements flattened = 595 [2021-12-15 12:32:07,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:32:07,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:32:07,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:32:07,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:32:07,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:07" (1/1) ... [2021-12-15 12:32:07,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:07" (1/1) ... [2021-12-15 12:32:07,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:07" (1/1) ... [2021-12-15 12:32:07,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:07" (1/1) ... [2021-12-15 12:32:07,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:07" (1/1) ... [2021-12-15 12:32:07,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:07" (1/1) ... [2021-12-15 12:32:07,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:07" (1/1) ... [2021-12-15 12:32:07,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:32:07,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:32:07,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:32:07,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:32:07,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:07" (1/1) ... [2021-12-15 12:32:07,473 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:32:07,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:32:07,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:32:07,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:32:07,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-15 12:32:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_hash_table [2021-12-15 12:32:07,550 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_hash_table [2021-12-15 12:32:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-15 12:32:07,550 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-15 12:32:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:32:07,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:32:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2021-12-15 12:32:07,555 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2021-12-15 12:32:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:32:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:32:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:32:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:32:07,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:32:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:32:07,556 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:32:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-15 12:32:07,556 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-15 12:32:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:32:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-12-15 12:32:07,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-12-15 12:32:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:32:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-15 12:32:07,557 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-15 12:32:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2021-12-15 12:32:07,557 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2021-12-15 12:32:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:32:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:32:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:32:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2021-12-15 12:32:07,558 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2021-12-15 12:32:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:32:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:32:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:32:07,558 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:32:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:32:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:32:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2021-12-15 12:32:07,559 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2021-12-15 12:32:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:32:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_allocated_hash_table [2021-12-15 12:32:07,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_allocated_hash_table [2021-12-15 12:32:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-15 12:32:07,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-15 12:32:07,560 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-12-15 12:32:07,560 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-12-15 12:32:07,560 INFO L130 BoogieDeclarations]: Found specification of procedure check_hash_table_unchanged [2021-12-15 12:32:07,560 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hash_table_unchanged [2021-12-15 12:32:07,829 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:32:07,831 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:32:08,704 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:32:08,713 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:32:08,714 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:32:08,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:32:08 BoogieIcfgContainer [2021-12-15 12:32:08,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:32:08,716 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:32:08,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:32:08,719 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:32:08,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:32:04" (1/3) ... [2021-12-15 12:32:08,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45bc8b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:32:08, skipping insertion in model container [2021-12-15 12:32:08,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:07" (2/3) ... [2021-12-15 12:32:08,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45bc8b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:32:08, skipping insertion in model container [2021-12-15 12:32:08,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:32:08" (3/3) ... [2021-12-15 12:32:08,722 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_table_swap_harness.i [2021-12-15 12:32:08,726 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:32:08,726 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:32:08,769 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:32:08,774 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 12:32:08,774 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:32:08,789 INFO L276 IsEmpty]: Start isEmpty. Operand has 132 states, 79 states have (on average 1.1898734177215189) internal successors, (94), 84 states have internal predecessors, (94), 35 states have call successors, (35), 16 states have call predecessors, (35), 16 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2021-12-15 12:32:08,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-15 12:32:08,797 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:32:08,797 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:32:08,798 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:32:08,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:32:08,802 INFO L85 PathProgramCache]: Analyzing trace with hash 226450914, now seen corresponding path program 1 times [2021-12-15 12:32:08,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:32:08,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [108269259] [2021-12-15 12:32:08,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:32:08,814 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:32:08,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:32:08,816 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 12:32:08,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 12:32:08,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 12:32:09,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 12:32:09,103 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) [2021-12-15 12:32:09,108 INFO L158 Benchmark]: Toolchain (without parser) took 4489.29ms. Allocated memory was 62.9MB in the beginning and 163.6MB in the end (delta: 100.7MB). Free memory was 34.0MB in the beginning and 66.8MB in the end (delta: -32.8MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. [2021-12-15 12:32:09,108 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory was 45.5MB in the beginning and 45.5MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:32:09,109 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2563.05ms. Allocated memory was 62.9MB in the beginning and 163.6MB in the end (delta: 100.7MB). Free memory was 33.9MB in the beginning and 99.0MB in the end (delta: -65.1MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2021-12-15 12:32:09,109 INFO L158 Benchmark]: Boogie Procedure Inliner took 212.72ms. Allocated memory is still 163.6MB. Free memory was 99.0MB in the beginning and 87.5MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:32:09,110 INFO L158 Benchmark]: Boogie Preprocessor took 61.81ms. Allocated memory is still 163.6MB. Free memory was 87.5MB in the beginning and 80.1MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 12:32:09,110 INFO L158 Benchmark]: RCFGBuilder took 1256.12ms. Allocated memory is still 163.6MB. Free memory was 80.1MB in the beginning and 82.9MB in the end (delta: -2.8MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2021-12-15 12:32:09,110 INFO L158 Benchmark]: TraceAbstraction took 388.84ms. Allocated memory is still 163.6MB. Free memory was 82.9MB in the beginning and 66.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 12:32:09,113 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory was 45.5MB in the beginning and 45.5MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2563.05ms. Allocated memory was 62.9MB in the beginning and 163.6MB in the end (delta: 100.7MB). Free memory was 33.9MB in the beginning and 99.0MB in the end (delta: -65.1MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 212.72ms. Allocated memory is still 163.6MB. Free memory was 99.0MB in the beginning and 87.5MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.81ms. Allocated memory is still 163.6MB. Free memory was 87.5MB in the beginning and 80.1MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1256.12ms. Allocated memory is still 163.6MB. Free memory was 80.1MB in the beginning and 82.9MB in the end (delta: -2.8MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. * TraceAbstraction took 388.84ms. Allocated memory is still 163.6MB. Free memory was 82.9MB in the beginning and 66.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. 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. [2021-12-15 12:32:09,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable