./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_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_iter_delete_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 7608d8aa64807891206ad38b93db31434f261f46ffbbb3a8b8a4940e4ab5ce81 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:31:35,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:31:35,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:31:35,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:31:35,853 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:31:35,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:31:35,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:31:35,861 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:31:35,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:31:35,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:31:35,868 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:31:35,869 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:31:35,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:31:35,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:31:35,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:31:35,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:31:35,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:31:35,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:31:35,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:31:35,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:31:35,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:31:35,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:31:35,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:31:35,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:31:35,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:31:35,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:31:35,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:31:35,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:31:35,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:31:35,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:31:35,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:31:35,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:31:35,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:31:35,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:31:35,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:31:35,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:31:35,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:31:35,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:31:35,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:31:35,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:31:35,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:31:35,911 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:31:35,930 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:31:35,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:31:35,930 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:31:35,930 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:31:35,931 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:31:35,931 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:31:35,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:31:35,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:31:35,932 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:31:35,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:31:35,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:31:35,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:31:35,933 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:31:35,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:31:35,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:31:35,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:31:35,933 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:31:35,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:31:35,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:31:35,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:31:35,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:31:35,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:35,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:31:35,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:31:35,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:31:35,935 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:31:35,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:31:35,936 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:31:35,936 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:31:35,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:31:35,937 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:31:35,937 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7608d8aa64807891206ad38b93db31434f261f46ffbbb3a8b8a4940e4ab5ce81 [2021-12-15 12:31:36,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:31:36,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:31:36,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:31:36,199 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:31:36,199 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:31:36,200 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness.i [2021-12-15 12:31:36,255 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/355868f47/a71a933e9d284fa48259c4032f691a3b/FLAG1104bf650 [2021-12-15 12:31:36,867 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:31:36,867 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness.i [2021-12-15 12:31:36,913 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/355868f47/a71a933e9d284fa48259c4032f691a3b/FLAG1104bf650 [2021-12-15 12:31:37,031 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/355868f47/a71a933e9d284fa48259c4032f691a3b [2021-12-15 12:31:37,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:31:37,036 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:31:37,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:37,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:31:37,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:31:37,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:37" (1/1) ... [2021-12-15 12:31:37,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fda4a7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:37, skipping insertion in model container [2021-12-15 12:31:37,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:37" (1/1) ... [2021-12-15 12:31:37,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:31:37,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:31:37,446 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_iter_delete_harness.i[4494,4507] [2021-12-15 12:31:37,453 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_iter_delete_harness.i[4554,4567] [2021-12-15 12:31:38,230 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,231 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,234 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,235 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,236 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,244 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,245 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,246 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,246 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,247 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,251 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,251 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,253 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,476 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:38,480 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:38,480 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:38,481 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:38,484 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:38,485 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:38,485 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:38,486 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:38,486 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:38,486 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:38,588 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:38,849 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,850 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,873 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,874 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,912 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,912 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,930 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,931 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,933 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,933 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,933 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,934 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,934 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,968 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:38,998 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:31:39,017 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_iter_delete_harness.i[4494,4507] [2021-12-15 12:31:39,018 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_iter_delete_harness.i[4554,4567] [2021-12-15 12:31:39,052 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:39,053 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:39,053 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:39,054 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:39,054 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:39,061 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:39,061 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:39,062 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:39,062 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:39,063 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:39,064 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:39,064 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:39,064 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:39,093 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:39,094 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:39,094 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:39,096 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:39,096 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:39,097 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:39,097 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:39,098 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:39,098 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:39,098 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:39,121 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:39,204 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:39,204 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:39,209 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:39,209 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:39,211 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:39,211 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:39,220 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:39,220 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:39,221 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:39,221 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:39,222 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:39,222 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:39,222 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:39,268 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:39,458 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:31:39,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:39 WrapperNode [2021-12-15 12:31:39,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:39,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:39,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:31:39,459 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:31:39,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:39" (1/1) ... [2021-12-15 12:31:39,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:39" (1/1) ... [2021-12-15 12:31:39,645 INFO L137 Inliner]: procedures = 774, calls = 2460, calls flagged for inlining = 66, calls inlined = 11, statements flattened = 732 [2021-12-15 12:31:39,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:39,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:31:39,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:31:39,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:31:39,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:39" (1/1) ... [2021-12-15 12:31:39,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:39" (1/1) ... [2021-12-15 12:31:39,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:39" (1/1) ... [2021-12-15 12:31:39,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:39" (1/1) ... [2021-12-15 12:31:39,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:39" (1/1) ... [2021-12-15 12:31:39,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:39" (1/1) ... [2021-12-15 12:31:39,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:39" (1/1) ... [2021-12-15 12:31:39,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:31:39,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:31:39,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:31:39,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:31:39,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:39" (1/1) ... [2021-12-15 12:31:39,762 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:39,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:31:39,784 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 12:31:39,810 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 12:31:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-15 12:31:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-15 12:31:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-15 12:31:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:31:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-15 12:31:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-15 12:31:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:31:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:31:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2021-12-15 12:31:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2021-12-15 12:31:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:31:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:31:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:31:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:31:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:31:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:31:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:31:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-15 12:31:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-15 12:31:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 12:31:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 12:31:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:31:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-12-15 12:31:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-12-15 12:31:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:31:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-15 12:31:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-15 12:31:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:31:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2021-12-15 12:31:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2021-12-15 12:31:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:31:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2021-12-15 12:31:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2021-12-15 12:31:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 12:31:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 12:31:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:31:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:31:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2021-12-15 12:31:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2021-12-15 12:31:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2021-12-15 12:31:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2021-12-15 12:31:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:31:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-15 12:31:39,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-15 12:31:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-12-15 12:31:39,836 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-12-15 12:31:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2021-12-15 12:31:39,837 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2021-12-15 12:31:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_delete [2021-12-15 12:31:39,837 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_delete [2021-12-15 12:31:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:31:40,185 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:31:40,186 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:31:40,344 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume !true; [2021-12-15 12:31:40,344 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !true; [2021-12-15 12:31:40,773 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:31:40,780 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:31:40,780 INFO L301 CfgBuilder]: Removed 7 assume(true) statements. [2021-12-15 12:31:40,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:40 BoogieIcfgContainer [2021-12-15 12:31:40,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:31:40,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:31:40,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:31:40,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:31:40,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:31:37" (1/3) ... [2021-12-15 12:31:40,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba21e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:40, skipping insertion in model container [2021-12-15 12:31:40,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:39" (2/3) ... [2021-12-15 12:31:40,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba21e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:40, skipping insertion in model container [2021-12-15 12:31:40,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:40" (3/3) ... [2021-12-15 12:31:40,789 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_delete_harness.i [2021-12-15 12:31:40,795 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:31:40,795 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:31:40,832 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:31:40,840 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 12:31:40,841 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:31:40,857 INFO L276 IsEmpty]: Start isEmpty. Operand has 210 states, 137 states have (on average 1.2627737226277371) internal successors, (173), 136 states have internal predecessors, (173), 54 states have call successors, (54), 19 states have call predecessors, (54), 19 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2021-12-15 12:31:40,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-12-15 12:31:40,878 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:31:40,879 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:40,879 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:31:40,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:31:40,883 INFO L85 PathProgramCache]: Analyzing trace with hash 778506499, now seen corresponding path program 1 times [2021-12-15 12:31:40,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:31:40,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637339910] [2021-12-15 12:31:40,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:31:40,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:31:41,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:31:41,006 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 12:31:41,014 INFO L158 Benchmark]: Toolchain (without parser) took 3977.06ms. Allocated memory was 102.8MB in the beginning and 232.8MB in the end (delta: 130.0MB). Free memory was 63.6MB in the beginning and 130.0MB in the end (delta: -66.4MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2021-12-15 12:31:41,014 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 102.8MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:31:41,016 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2420.00ms. Allocated memory was 102.8MB in the beginning and 148.9MB in the end (delta: 46.1MB). Free memory was 63.2MB in the beginning and 61.6MB in the end (delta: 1.6MB). Peak memory consumption was 84.5MB. Max. memory is 16.1GB. [2021-12-15 12:31:41,016 INFO L158 Benchmark]: Boogie Procedure Inliner took 186.09ms. Allocated memory is still 148.9MB. Free memory was 61.6MB in the beginning and 50.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:31:41,018 INFO L158 Benchmark]: Boogie Preprocessor took 108.31ms. Allocated memory was 148.9MB in the beginning and 232.8MB in the end (delta: 83.9MB). Free memory was 50.3MB in the beginning and 171.2MB in the end (delta: -121.0MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2021-12-15 12:31:41,018 INFO L158 Benchmark]: RCFGBuilder took 1027.24ms. Allocated memory is still 232.8MB. Free memory was 171.2MB in the beginning and 145.7MB in the end (delta: 25.5MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2021-12-15 12:31:41,019 INFO L158 Benchmark]: TraceAbstraction took 228.56ms. Allocated memory is still 232.8MB. Free memory was 144.7MB in the beginning and 130.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:31:41,022 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 102.8MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2420.00ms. Allocated memory was 102.8MB in the beginning and 148.9MB in the end (delta: 46.1MB). Free memory was 63.2MB in the beginning and 61.6MB in the end (delta: 1.6MB). Peak memory consumption was 84.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 186.09ms. Allocated memory is still 148.9MB. Free memory was 61.6MB in the beginning and 50.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 108.31ms. Allocated memory was 148.9MB in the beginning and 232.8MB in the end (delta: 83.9MB). Free memory was 50.3MB in the beginning and 171.2MB in the end (delta: -121.0MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1027.24ms. Allocated memory is still 232.8MB. Free memory was 171.2MB in the beginning and 145.7MB in the end (delta: 25.5MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. * TraceAbstraction took 228.56ms. Allocated memory is still 232.8MB. Free memory was 144.7MB in the beginning and 130.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:31:41,051 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_iter_delete_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 7608d8aa64807891206ad38b93db31434f261f46ffbbb3a8b8a4940e4ab5ce81 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:31:42,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:31:42,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:31:42,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:31:42,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:31:42,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:31:42,680 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:31:42,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:31:42,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:31:42,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:31:42,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:31:42,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:31:42,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:31:42,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:31:42,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:31:42,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:31:42,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:31:42,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:31:42,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:31:42,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:31:42,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:31:42,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:31:42,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:31:42,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:31:42,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:31:42,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:31:42,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:31:42,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:31:42,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:31:42,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:31:42,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:31:42,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:31:42,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:31:42,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:31:42,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:31:42,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:31:42,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:31:42,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:31:42,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:31:42,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:31:42,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:31:42,734 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:31:42,751 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:31:42,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:31:42,752 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:31:42,752 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:31:42,753 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:31:42,753 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:31:42,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:31:42,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:31:42,753 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:31:42,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:31:42,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:31:42,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:31:42,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:31:42,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:31:42,754 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:31:42,754 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:31:42,754 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:31:42,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:31:42,754 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:31:42,754 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:31:42,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:31:42,755 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:31:42,755 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:31:42,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:42,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:31:42,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:31:42,755 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:31:42,755 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:31:42,755 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:31:42,755 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:31:42,756 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:31:42,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:31:42,756 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:31:42,756 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:31:42,756 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7608d8aa64807891206ad38b93db31434f261f46ffbbb3a8b8a4940e4ab5ce81 [2021-12-15 12:31:42,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:31:43,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:31:43,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:31:43,019 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:31:43,020 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:31:43,021 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness.i [2021-12-15 12:31:43,084 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4462f5fc5/789cc6302704428abc699a0524d446a5/FLAGc9ad6c9da [2021-12-15 12:31:43,651 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:31:43,651 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness.i [2021-12-15 12:31:43,695 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4462f5fc5/789cc6302704428abc699a0524d446a5/FLAGc9ad6c9da [2021-12-15 12:31:44,050 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4462f5fc5/789cc6302704428abc699a0524d446a5 [2021-12-15 12:31:44,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:31:44,054 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:31:44,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:44,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:31:44,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:31:44,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:44" (1/1) ... [2021-12-15 12:31:44,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78e2fafd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:44, skipping insertion in model container [2021-12-15 12:31:44,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:44" (1/1) ... [2021-12-15 12:31:44,064 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:31:44,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:31:44,374 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_iter_delete_harness.i[4494,4507] [2021-12-15 12:31:44,380 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_iter_delete_harness.i[4554,4567] [2021-12-15 12:31:45,041 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,043 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,043 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,044 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,044 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,063 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,064 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,065 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,066 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,067 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,067 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,068 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,068 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,307 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:45,310 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:45,311 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:45,312 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:45,313 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:45,314 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:45,315 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:45,315 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:45,316 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:45,321 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:45,478 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:45,694 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,694 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,709 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,710 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,714 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,714 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,724 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,725 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,725 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,726 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,726 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,726 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,726 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:45,784 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:31:45,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:31:45,817 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_iter_delete_harness.i[4494,4507] [2021-12-15 12:31:45,818 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_iter_delete_harness.i[4554,4567] [2021-12-15 12:31:45,834 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,835 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,835 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,835 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,836 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,842 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,842 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,843 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,843 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,844 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,844 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,844 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,844 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,867 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:45,868 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:45,869 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:45,869 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:45,871 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:45,872 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:45,872 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:45,872 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:45,872 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:45,873 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:45,886 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:46,012 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,012 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,016 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,016 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,024 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,025 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,033 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,034 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,034 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,035 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,035 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,035 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,036 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:46,064 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:31:46,071 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_iter_delete_harness.i[4494,4507] [2021-12-15 12:31:46,072 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_iter_delete_harness.i[4554,4567] [2021-12-15 12:31:46,106 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,106 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,107 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,107 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,107 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,110 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,111 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,111 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,112 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,112 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,113 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,113 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,113 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,130 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:46,131 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:46,131 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:46,131 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:46,132 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:46,133 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:46,133 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:46,133 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:46,134 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:46,134 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:46,148 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:46,222 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,223 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,230 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,231 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,232 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,232 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,238 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,238 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,239 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,239 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,239 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,240 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,240 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,256 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:46,455 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:31:46,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:46 WrapperNode [2021-12-15 12:31:46,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:46,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:46,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:31:46,457 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:31:46,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:46" (1/1) ... [2021-12-15 12:31:46,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:46" (1/1) ... [2021-12-15 12:31:46,634 INFO L137 Inliner]: procedures = 794, calls = 2460, calls flagged for inlining = 68, calls inlined = 11, statements flattened = 727 [2021-12-15 12:31:46,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:46,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:31:46,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:31:46,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:31:46,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:46" (1/1) ... [2021-12-15 12:31:46,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:46" (1/1) ... [2021-12-15 12:31:46,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:46" (1/1) ... [2021-12-15 12:31:46,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:46" (1/1) ... [2021-12-15 12:31:46,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:46" (1/1) ... [2021-12-15 12:31:46,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:46" (1/1) ... [2021-12-15 12:31:46,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:46" (1/1) ... [2021-12-15 12:31:46,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:31:46,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:31:46,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:31:46,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:31:46,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:46" (1/1) ... [2021-12-15 12:31:46,757 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:46,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:31:46,796 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 12:31:46,805 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 12:31:46,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-15 12:31:46,826 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-15 12:31:46,826 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-15 12:31:46,826 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-15 12:31:46,826 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-15 12:31:46,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:31:46,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:31:46,827 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2021-12-15 12:31:46,827 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2021-12-15 12:31:46,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:31:46,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:31:46,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:31:46,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:31:46,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:31:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:31:46,828 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:31:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-15 12:31:46,828 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-15 12:31:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 12:31:46,828 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 12:31:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:31:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-12-15 12:31:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-12-15 12:31:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:31:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-15 12:31:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-15 12:31:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2021-12-15 12:31:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2021-12-15 12:31:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:31:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:31:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:31:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 12:31:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2021-12-15 12:31:46,830 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2021-12-15 12:31:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 12:31:46,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 12:31:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:31:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:31:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:31:46,830 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:31:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2021-12-15 12:31:46,831 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2021-12-15 12:31:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:31:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:31:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2021-12-15 12:31:46,831 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2021-12-15 12:31:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:31:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-15 12:31:46,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-15 12:31:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-12-15 12:31:46,832 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-12-15 12:31:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2021-12-15 12:31:46,832 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2021-12-15 12:31:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_delete [2021-12-15 12:31:46,832 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_delete [2021-12-15 12:31:47,115 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:31:47,117 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:31:48,277 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume !true; [2021-12-15 12:31:48,277 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !true; [2021-12-15 12:31:49,420 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:31:49,431 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:31:49,431 INFO L301 CfgBuilder]: Removed 7 assume(true) statements. [2021-12-15 12:31:49,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:49 BoogieIcfgContainer [2021-12-15 12:31:49,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:31:49,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:31:49,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:31:49,436 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:31:49,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:31:44" (1/3) ... [2021-12-15 12:31:49,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@560ab48e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:49, skipping insertion in model container [2021-12-15 12:31:49,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:46" (2/3) ... [2021-12-15 12:31:49,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@560ab48e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:49, skipping insertion in model container [2021-12-15 12:31:49,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:49" (3/3) ... [2021-12-15 12:31:49,439 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_delete_harness.i [2021-12-15 12:31:49,442 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:31:49,442 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:31:49,479 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:31:49,486 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 12:31:49,486 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:31:49,503 INFO L276 IsEmpty]: Start isEmpty. Operand has 207 states, 134 states have (on average 1.2686567164179106) internal successors, (170), 133 states have internal predecessors, (170), 54 states have call successors, (54), 19 states have call predecessors, (54), 19 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2021-12-15 12:31:49,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-12-15 12:31:49,523 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:31:49,524 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:49,525 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:31:49,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:31:49,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1460207168, now seen corresponding path program 1 times [2021-12-15 12:31:49,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:31:49,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [437994754] [2021-12-15 12:31:49,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:31:49,542 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:31:49,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:31:49,544 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 12:31:49,545 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 12:31:49,662 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 12:31:49,848 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 12:31:49,849 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 12:31:49,852 INFO L158 Benchmark]: Toolchain (without parser) took 5798.29ms. Allocated memory was 56.6MB in the beginning and 297.8MB in the end (delta: 241.2MB). Free memory was 25.6MB in the beginning and 182.9MB in the end (delta: -157.2MB). Peak memory consumption was 82.5MB. Max. memory is 16.1GB. [2021-12-15 12:31:49,853 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 56.6MB. Free memory is still 39.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:31:49,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2399.88ms. Allocated memory was 56.6MB in the beginning and 159.4MB in the end (delta: 102.8MB). Free memory was 25.4MB in the beginning and 82.9MB in the end (delta: -57.4MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. [2021-12-15 12:31:49,853 INFO L158 Benchmark]: Boogie Procedure Inliner took 179.34ms. Allocated memory is still 159.4MB. Free memory was 82.9MB in the beginning and 71.2MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:31:49,854 INFO L158 Benchmark]: Boogie Preprocessor took 114.73ms. Allocated memory is still 159.4MB. Free memory was 71.2MB in the beginning and 102.7MB in the end (delta: -31.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:31:49,854 INFO L158 Benchmark]: RCFGBuilder took 2681.41ms. Allocated memory was 159.4MB in the beginning and 297.8MB in the end (delta: 138.4MB). Free memory was 102.7MB in the beginning and 201.3MB in the end (delta: -98.6MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2021-12-15 12:31:49,854 INFO L158 Benchmark]: TraceAbstraction took 417.34ms. Allocated memory is still 297.8MB. Free memory was 201.3MB in the beginning and 182.9MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 12:31:49,856 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 56.6MB. Free memory is still 39.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2399.88ms. Allocated memory was 56.6MB in the beginning and 159.4MB in the end (delta: 102.8MB). Free memory was 25.4MB in the beginning and 82.9MB in the end (delta: -57.4MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 179.34ms. Allocated memory is still 159.4MB. Free memory was 82.9MB in the beginning and 71.2MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 114.73ms. Allocated memory is still 159.4MB. Free memory was 71.2MB in the beginning and 102.7MB in the end (delta: -31.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 2681.41ms. Allocated memory was 159.4MB in the beginning and 297.8MB in the end (delta: 138.4MB). Free memory was 102.7MB in the beginning and 201.3MB in the end (delta: -98.6MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * TraceAbstraction took 417.34ms. Allocated memory is still 297.8MB. Free memory was 201.3MB in the beginning and 182.9MB in the end (delta: 18.4MB). 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 12:31:49,888 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