./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_clean_up_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_clean_up_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 3bf4efa014e51efebc29a26fae4d93bdd4ac97a340040c60e527138ec3a88197 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:31:41,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:31:41,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:31:41,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:31:41,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:31:41,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:31:41,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:31:41,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:31:41,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:31:41,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:31:41,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:31:41,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:31:41,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:31:41,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:31:41,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:31:41,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:31:41,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:31:41,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:31:41,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:31:41,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:31:41,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:31:41,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:31:41,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:31:41,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:31:41,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:31:41,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:31:41,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:31:41,498 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:31:41,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:31:41,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:31:41,500 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:31:41,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:31:41,501 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:31:41,502 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:31:41,503 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:31:41,503 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:31:41,504 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:31:41,504 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:31:41,504 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:31:41,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:31:41,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:31:41,507 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:31:41,535 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:31:41,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:31:41,541 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:31:41,542 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:31:41,542 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:31:41,542 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:31:41,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:31:41,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:31:41,550 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:31:41,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:31:41,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:31:41,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:31:41,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:31:41,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:31:41,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:31:41,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:31:41,552 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:31:41,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:31:41,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:31:41,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:31:41,552 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:31:41,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:41,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:31:41,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:31:41,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:31:41,553 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:31:41,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:31:41,553 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:31:41,554 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:31:41,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:31:41,554 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:31:41,554 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bf4efa014e51efebc29a26fae4d93bdd4ac97a340040c60e527138ec3a88197 [2021-12-15 12:31:41,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:31:41,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:31:41,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:31:41,779 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:31:41,783 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:31:41,784 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_clean_up_harness.i [2021-12-15 12:31:41,852 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8648c16fc/5df24e938c504dd4adf35f9491e931a6/FLAGe6bc010f7 [2021-12-15 12:31:42,553 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:31:42,554 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_clean_up_harness.i [2021-12-15 12:31:42,595 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8648c16fc/5df24e938c504dd4adf35f9491e931a6/FLAGe6bc010f7 [2021-12-15 12:31:42,642 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8648c16fc/5df24e938c504dd4adf35f9491e931a6 [2021-12-15 12:31:42,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:31:42,647 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:31:42,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:42,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:31:42,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:31:42,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:42" (1/1) ... [2021-12-15 12:31:42,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c58aafe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:42, skipping insertion in model container [2021-12-15 12:31:42,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:42" (1/1) ... [2021-12-15 12:31:42,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:31:42,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:31:42,999 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_clean_up_harness.i[4497,4510] [2021-12-15 12:31:43,008 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_clean_up_harness.i[4557,4570] [2021-12-15 12:31:43,802 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,803 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,803 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,804 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,805 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,816 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,816 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,820 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,821 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,822 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,824 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,825 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,825 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,105 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:44,107 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:44,107 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:44,108 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:44,110 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:44,111 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:44,112 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:44,113 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:44,114 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:44,115 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:44,254 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:44,520 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,520 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,553 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,557 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,566 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,567 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,586 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,587 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,588 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,588 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,589 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,591 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,592 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,630 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:44,706 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:31:44,727 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_clean_up_harness.i[4497,4510] [2021-12-15 12:31:44,728 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_clean_up_harness.i[4557,4570] [2021-12-15 12:31:44,781 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,782 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,782 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,782 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,783 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,794 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,795 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,796 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,796 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,797 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,797 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,798 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,798 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,826 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:44,827 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:44,827 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:44,828 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:44,828 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:44,829 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:44,829 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:44,829 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:44,830 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:44,830 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:44,854 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:44,988 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,988 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,994 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,994 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,996 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,997 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,008 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,009 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,010 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,010 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,010 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,011 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,012 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:45,337 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:31:45,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:45 WrapperNode [2021-12-15 12:31:45,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:45,339 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:45,339 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:31:45,339 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:31:45,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:45" (1/1) ... [2021-12-15 12:31:45,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:45" (1/1) ... [2021-12-15 12:31:45,612 INFO L137 Inliner]: procedures = 775, calls = 2445, calls flagged for inlining = 71, calls inlined = 16, statements flattened = 721 [2021-12-15 12:31:45,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:45,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:31:45,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:31:45,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:31:45,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:45" (1/1) ... [2021-12-15 12:31:45,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:45" (1/1) ... [2021-12-15 12:31:45,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:45" (1/1) ... [2021-12-15 12:31:45,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:45" (1/1) ... [2021-12-15 12:31:45,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:45" (1/1) ... [2021-12-15 12:31:45,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:45" (1/1) ... [2021-12-15 12:31:45,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:45" (1/1) ... [2021-12-15 12:31:45,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:31:45,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:31:45,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:31:45,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:31:45,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:45" (1/1) ... [2021-12-15 12:31:45,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:45,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:31:45,756 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 12:31:45,765 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 12:31:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure memset_override_0_impl [2021-12-15 12:31:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_override_0_impl [2021-12-15 12:31:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-15 12:31:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-15 12:31:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-15 12:31:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:31:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-15 12:31:45,793 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-15 12:31:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:31:45,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:31:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2021-12-15 12:31:45,793 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2021-12-15 12:31:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:31:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:31:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:31:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:31:45,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:31:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:31:45,794 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:31:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-15 12:31:45,794 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-15 12:31:45,795 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2021-12-15 12:31:45,795 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2021-12-15 12:31:45,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:31:45,795 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-12-15 12:31:45,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-12-15 12:31:45,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:31:45,795 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-15 12:31:45,796 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-15 12:31:45,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:31:45,796 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2021-12-15 12:31:45,796 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2021-12-15 12:31:45,796 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2021-12-15 12:31:45,796 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2021-12-15 12:31:45,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:31:45,797 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2021-12-15 12:31:45,797 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2021-12-15 12:31:45,797 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 12:31:45,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 12:31:45,797 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:31:45,797 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:31:45,797 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2021-12-15 12:31:45,798 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2021-12-15 12:31:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:31:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-15 12:31:45,798 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-15 12:31:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-15 12:31:45,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-15 12:31:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-12-15 12:31:45,799 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-12-15 12:31:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:31:46,072 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:31:46,074 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:31:46,694 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:31:46,704 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:31:46,705 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 12:31:46,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:46 BoogieIcfgContainer [2021-12-15 12:31:46,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:31:46,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:31:46,708 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:31:46,711 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:31:46,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:31:42" (1/3) ... [2021-12-15 12:31:46,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@565cd704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:46, skipping insertion in model container [2021-12-15 12:31:46,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:45" (2/3) ... [2021-12-15 12:31:46,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@565cd704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:46, skipping insertion in model container [2021-12-15 12:31:46,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:46" (3/3) ... [2021-12-15 12:31:46,714 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_table_clean_up_harness.i [2021-12-15 12:31:46,718 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:31:46,718 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:31:46,758 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:31:46,762 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 12:31:46,763 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:31:46,783 INFO L276 IsEmpty]: Start isEmpty. Operand has 194 states, 126 states have (on average 1.1984126984126984) internal successors, (151), 127 states have internal predecessors, (151), 47 states have call successors, (47), 19 states have call predecessors, (47), 19 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2021-12-15 12:31:46,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-12-15 12:31:46,799 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:31:46,800 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:31:46,801 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:31:46,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:31:46,809 INFO L85 PathProgramCache]: Analyzing trace with hash -623915720, now seen corresponding path program 1 times [2021-12-15 12:31:46,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:31:46,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664930771] [2021-12-15 12:31:46,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:31:46,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:31:46,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:31:46,939 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 12:31:46,948 INFO L158 Benchmark]: Toolchain (without parser) took 4299.98ms. Allocated memory was 90.2MB in the beginning and 184.5MB in the end (delta: 94.4MB). Free memory was 62.6MB in the beginning and 90.7MB in the end (delta: -28.1MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. [2021-12-15 12:31:46,949 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 90.2MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:31:46,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2689.62ms. Allocated memory was 90.2MB in the beginning and 184.5MB in the end (delta: 94.4MB). Free memory was 62.2MB in the beginning and 88.3MB in the end (delta: -26.1MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. [2021-12-15 12:31:46,954 INFO L158 Benchmark]: Boogie Procedure Inliner took 274.63ms. Allocated memory is still 184.5MB. Free memory was 88.3MB in the beginning and 126.5MB in the end (delta: -38.2MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2021-12-15 12:31:46,955 INFO L158 Benchmark]: Boogie Preprocessor took 101.76ms. Allocated memory is still 184.5MB. Free memory was 126.5MB in the beginning and 120.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 12:31:46,955 INFO L158 Benchmark]: RCFGBuilder took 989.85ms. Allocated memory is still 184.5MB. Free memory was 120.2MB in the beginning and 105.4MB in the end (delta: 14.8MB). Peak memory consumption was 81.8MB. Max. memory is 16.1GB. [2021-12-15 12:31:46,955 INFO L158 Benchmark]: TraceAbstraction took 238.41ms. Allocated memory is still 184.5MB. Free memory was 104.4MB in the beginning and 90.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:31:46,964 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 90.2MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2689.62ms. Allocated memory was 90.2MB in the beginning and 184.5MB in the end (delta: 94.4MB). Free memory was 62.2MB in the beginning and 88.3MB in the end (delta: -26.1MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 274.63ms. Allocated memory is still 184.5MB. Free memory was 88.3MB in the beginning and 126.5MB in the end (delta: -38.2MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.76ms. Allocated memory is still 184.5MB. Free memory was 126.5MB in the beginning and 120.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 989.85ms. Allocated memory is still 184.5MB. Free memory was 120.2MB in the beginning and 105.4MB in the end (delta: 14.8MB). Peak memory consumption was 81.8MB. Max. memory is 16.1GB. * TraceAbstraction took 238.41ms. Allocated memory is still 184.5MB. Free memory was 104.4MB in the beginning and 90.7MB in the end (delta: 13.6MB). 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 12:31:46,997 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_clean_up_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 3bf4efa014e51efebc29a26fae4d93bdd4ac97a340040c60e527138ec3a88197 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:31:48,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:31:48,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:31:48,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:31:48,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:31:49,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:31:49,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:31:49,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:31:49,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:31:49,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:31:49,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:31:49,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:31:49,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:31:49,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:31:49,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:31:49,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:31:49,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:31:49,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:31:49,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:31:49,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:31:49,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:31:49,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:31:49,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:31:49,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:31:49,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:31:49,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:31:49,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:31:49,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:31:49,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:31:49,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:31:49,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:31:49,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:31:49,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:31:49,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:31:49,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:31:49,053 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:31:49,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:31:49,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:31:49,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:31:49,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:31:49,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:31:49,057 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:31:49,094 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:31:49,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:31:49,095 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:31:49,096 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:31:49,097 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:31:49,097 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:31:49,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:31:49,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:31:49,098 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:31:49,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:31:49,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:31:49,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:31:49,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:31:49,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:31:49,100 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:31:49,100 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:31:49,101 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:31:49,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:31:49,101 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:31:49,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:31:49,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:31:49,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:31:49,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:31:49,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:49,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:31:49,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:31:49,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:31:49,103 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:31:49,103 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:31:49,103 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:31:49,103 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:31:49,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:31:49,104 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:31:49,104 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:31:49,104 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bf4efa014e51efebc29a26fae4d93bdd4ac97a340040c60e527138ec3a88197 [2021-12-15 12:31:49,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:31:49,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:31:49,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:31:49,431 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:31:49,431 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:31:49,432 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_clean_up_harness.i [2021-12-15 12:31:49,490 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/388fbdb06/a296ebfc11424d178a93ead81fdf0740/FLAG5fbe83a12 [2021-12-15 12:31:50,257 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:31:50,258 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_clean_up_harness.i [2021-12-15 12:31:50,292 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/388fbdb06/a296ebfc11424d178a93ead81fdf0740/FLAG5fbe83a12 [2021-12-15 12:31:50,490 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/388fbdb06/a296ebfc11424d178a93ead81fdf0740 [2021-12-15 12:31:50,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:31:50,493 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:31:50,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:50,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:31:50,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:31:50,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:50" (1/1) ... [2021-12-15 12:31:50,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@770bf289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:50, skipping insertion in model container [2021-12-15 12:31:50,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:50" (1/1) ... [2021-12-15 12:31:50,506 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:31:50,616 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:31:50,882 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_clean_up_harness.i[4497,4510] [2021-12-15 12:31:50,888 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_clean_up_harness.i[4557,4570] [2021-12-15 12:31:51,585 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,588 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,588 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,589 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,590 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,612 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,615 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,617 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,617 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,619 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,620 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,620 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,621 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,906 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:51,907 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:51,908 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:51,909 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:51,910 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:51,910 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:51,911 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:51,912 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:51,912 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:51,913 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:52,041 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:52,333 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,334 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,364 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,365 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,372 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,374 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,402 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,403 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,404 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,405 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,405 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,405 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,406 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,444 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:52,488 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:31:52,541 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:31:52,546 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_clean_up_harness.i[4497,4510] [2021-12-15 12:31:52,547 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_clean_up_harness.i[4557,4570] [2021-12-15 12:31:52,586 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,586 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,587 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,587 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,588 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,594 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,595 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,595 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,596 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,596 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,597 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,598 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,598 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,626 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:52,627 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:52,628 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:52,628 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:52,629 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:52,629 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:52,630 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:52,630 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:52,630 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:52,631 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:52,661 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:52,798 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,799 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,817 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,818 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,820 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,820 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,831 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,831 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,832 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,832 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,833 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,833 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,833 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:52,867 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:31:52,887 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_clean_up_harness.i[4497,4510] [2021-12-15 12:31:52,888 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_clean_up_harness.i[4557,4570] [2021-12-15 12:31:52,916 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,917 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,917 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,918 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,918 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,923 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,924 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,925 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,926 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,926 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,927 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,927 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,928 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,961 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:52,963 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:52,964 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:52,964 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:52,965 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:52,966 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:52,966 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:52,966 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:52,967 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:52,967 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:52,981 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:53,069 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,069 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,079 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,079 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,083 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,083 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,094 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,094 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,095 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,095 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,095 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,096 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,096 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,113 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:53,402 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:31:53,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:53 WrapperNode [2021-12-15 12:31:53,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:53,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:53,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:31:53,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:31:53,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:53" (1/1) ... [2021-12-15 12:31:53,514 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:53" (1/1) ... [2021-12-15 12:31:53,586 INFO L137 Inliner]: procedures = 795, calls = 2445, calls flagged for inlining = 73, calls inlined = 16, statements flattened = 717 [2021-12-15 12:31:53,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:53,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:31:53,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:31:53,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:31:53,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:53" (1/1) ... [2021-12-15 12:31:53,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:53" (1/1) ... [2021-12-15 12:31:53,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:53" (1/1) ... [2021-12-15 12:31:53,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:53" (1/1) ... [2021-12-15 12:31:53,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:53" (1/1) ... [2021-12-15 12:31:53,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:53" (1/1) ... [2021-12-15 12:31:53,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:53" (1/1) ... [2021-12-15 12:31:53,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:31:53,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:31:53,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:31:53,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:31:53,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:53" (1/1) ... [2021-12-15 12:31:53,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:53,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:31:53,752 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 12:31:53,778 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 12:31:53,795 INFO L130 BoogieDeclarations]: Found specification of procedure memset_override_0_impl [2021-12-15 12:31:53,796 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_override_0_impl [2021-12-15 12:31:53,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-15 12:31:53,797 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-15 12:31:53,798 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-15 12:31:53,798 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-15 12:31:53,798 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-15 12:31:53,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:31:53,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:31:53,804 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2021-12-15 12:31:53,804 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2021-12-15 12:31:53,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:31:53,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:31:53,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:31:53,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:31:53,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:31:53,805 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:31:53,805 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:31:53,805 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-15 12:31:53,805 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-15 12:31:53,805 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2021-12-15 12:31:53,806 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2021-12-15 12:31:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:31:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-12-15 12:31:53,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-12-15 12:31:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:31:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-15 12:31:53,806 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-15 12:31:53,807 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2021-12-15 12:31:53,807 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2021-12-15 12:31:53,807 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2021-12-15 12:31:53,807 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2021-12-15 12:31:53,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:31:53,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:31:53,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:31:53,807 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2021-12-15 12:31:53,808 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2021-12-15 12:31:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 12:31:53,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 12:31:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:31:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:31:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:31:53,808 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:31:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:31:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2021-12-15 12:31:53,809 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2021-12-15 12:31:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:31:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-15 12:31:53,810 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-15 12:31:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-15 12:31:53,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-15 12:31:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-12-15 12:31:53,810 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-12-15 12:31:54,152 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:31:54,154 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:31:55,438 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:31:55,445 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:31:55,445 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 12:31:55,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:55 BoogieIcfgContainer [2021-12-15 12:31:55,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:31:55,449 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:31:55,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:31:55,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:31:55,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:31:50" (1/3) ... [2021-12-15 12:31:55,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16047d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:55, skipping insertion in model container [2021-12-15 12:31:55,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:53" (2/3) ... [2021-12-15 12:31:55,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16047d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:55, skipping insertion in model container [2021-12-15 12:31:55,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:55" (3/3) ... [2021-12-15 12:31:55,454 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_table_clean_up_harness.i [2021-12-15 12:31:55,458 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:31:55,458 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:31:55,499 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:31:55,504 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 12:31:55,505 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:31:55,524 INFO L276 IsEmpty]: Start isEmpty. Operand has 191 states, 123 states have (on average 1.2032520325203253) internal successors, (148), 124 states have internal predecessors, (148), 47 states have call successors, (47), 19 states have call predecessors, (47), 19 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2021-12-15 12:31:55,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-15 12:31:55,538 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:31:55,539 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:31:55,542 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:31:55,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:31:55,550 INFO L85 PathProgramCache]: Analyzing trace with hash -896579534, now seen corresponding path program 1 times [2021-12-15 12:31:55,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:31:55,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [497876494] [2021-12-15 12:31:55,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:31:55,567 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:31:55,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:31:55,574 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 12:31:55,575 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 12:31:55,697 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 12:31:55,894 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 12:31:55,895 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 12:31:55,898 INFO L158 Benchmark]: Toolchain (without parser) took 5404.49ms. Allocated memory was 67.1MB in the beginning and 213.9MB in the end (delta: 146.8MB). Free memory was 45.1MB in the beginning and 116.9MB in the end (delta: -71.8MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. [2021-12-15 12:31:55,899 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory is still 36.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:31:55,899 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2908.08ms. Allocated memory was 67.1MB in the beginning and 132.1MB in the end (delta: 65.0MB). Free memory was 44.9MB in the beginning and 61.2MB in the end (delta: -16.3MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. [2021-12-15 12:31:55,899 INFO L158 Benchmark]: Boogie Procedure Inliner took 183.10ms. Allocated memory is still 132.1MB. Free memory was 61.2MB in the beginning and 49.9MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:31:55,900 INFO L158 Benchmark]: Boogie Preprocessor took 128.29ms. Allocated memory was 132.1MB in the beginning and 213.9MB in the end (delta: 81.8MB). Free memory was 49.9MB in the beginning and 153.2MB in the end (delta: -103.3MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-12-15 12:31:55,900 INFO L158 Benchmark]: RCFGBuilder took 1730.71ms. Allocated memory is still 213.9MB. Free memory was 153.2MB in the beginning and 135.4MB in the end (delta: 17.8MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB. [2021-12-15 12:31:55,900 INFO L158 Benchmark]: TraceAbstraction took 447.67ms. Allocated memory is still 213.9MB. Free memory was 135.4MB in the beginning and 116.9MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 12:31:55,902 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory is still 36.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2908.08ms. Allocated memory was 67.1MB in the beginning and 132.1MB in the end (delta: 65.0MB). Free memory was 44.9MB in the beginning and 61.2MB in the end (delta: -16.3MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 183.10ms. Allocated memory is still 132.1MB. Free memory was 61.2MB in the beginning and 49.9MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 128.29ms. Allocated memory was 132.1MB in the beginning and 213.9MB in the end (delta: 81.8MB). Free memory was 49.9MB in the beginning and 153.2MB in the end (delta: -103.3MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1730.71ms. Allocated memory is still 213.9MB. Free memory was 153.2MB in the beginning and 135.4MB in the end (delta: 17.8MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB. * TraceAbstraction took 447.67ms. Allocated memory is still 213.9MB. Free memory was 135.4MB in the beginning and 116.9MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. 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 12:31:55,948 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