./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_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 97e90b5866c6e9df01c589395fdbbe46254bc553e4330f2a669b393b022bbd71 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:31:54,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:31:54,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:31:54,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:31:54,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:31:54,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:31:54,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:31:54,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:31:54,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:31:54,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:31:54,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:31:54,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:31:54,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:31:54,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:31:54,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:31:54,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:31:54,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:31:54,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:31:54,832 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:31:54,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:31:54,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:31:54,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:31:54,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:31:54,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:31:54,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:31:54,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:31:54,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:31:54,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:31:54,847 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:31:54,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:31:54,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:31:54,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:31:54,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:31:54,851 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:31:54,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:31:54,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:31:54,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:31:54,853 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:31:54,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:31:54,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:31:54,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:31:54,856 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:31:54,879 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:31:54,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:31:54,880 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:31:54,880 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:31:54,881 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:31:54,881 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:31:54,881 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:31:54,881 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:31:54,881 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:31:54,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:31:54,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:31:54,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:31:54,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:31:54,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:31:54,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:31:54,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:31:54,883 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:31:54,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:31:54,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:31:54,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:31:54,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:31:54,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:54,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:31:54,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:31:54,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:31:54,885 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:31:54,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:31:54,886 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:31:54,886 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:31:54,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:31:54,886 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:31:54,886 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97e90b5866c6e9df01c589395fdbbe46254bc553e4330f2a669b393b022bbd71 [2021-12-15 12:31:55,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:31:55,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:31:55,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:31:55,109 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:31:55,109 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:31:55,121 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i [2021-12-15 12:31:55,183 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d91e7165/a4c01d5dcb5c42c6a3d9978f85d7d9de/FLAGd420c4384 [2021-12-15 12:31:55,796 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:31:55,797 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i [2021-12-15 12:31:55,826 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d91e7165/a4c01d5dcb5c42c6a3d9978f85d7d9de/FLAGd420c4384 [2021-12-15 12:31:56,205 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d91e7165/a4c01d5dcb5c42c6a3d9978f85d7d9de [2021-12-15 12:31:56,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:31:56,209 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:31:56,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:56,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:31:56,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:31:56,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:56" (1/1) ... [2021-12-15 12:31:56,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364c7996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:56, skipping insertion in model container [2021-12-15 12:31:56,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:56" (1/1) ... [2021-12-15 12:31:56,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:31:56,275 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:31:56,500 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i[4495,4508] [2021-12-15 12:31:56,506 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i[4555,4568] [2021-12-15 12:31:57,075 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,075 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,076 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,076 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,077 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,084 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,085 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,086 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,086 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,087 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,089 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,089 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,090 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,304 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:57,305 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:57,306 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:57,307 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:57,308 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:57,308 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:57,309 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:57,309 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:57,309 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:57,311 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:57,406 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:57,641 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,642 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,669 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,671 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,676 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,677 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,701 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,702 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,703 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,704 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,704 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,704 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,705 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,751 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:57,777 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:31:57,793 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i[4495,4508] [2021-12-15 12:31:57,794 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i[4555,4568] [2021-12-15 12:31:57,824 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,825 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,825 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,827 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,828 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,834 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,834 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,835 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,835 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,835 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,836 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,836 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,836 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,854 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:57,855 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:57,856 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:57,856 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:57,856 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:57,857 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:57,857 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:57,857 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:57,858 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:57,858 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:57,875 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:57,970 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,970 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,974 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,975 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,976 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,977 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,985 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,986 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,986 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,987 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,987 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,988 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:57,988 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:58,002 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:58,161 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:31:58,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:58 WrapperNode [2021-12-15 12:31:58,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:58,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:58,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:31:58,163 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:31:58,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:58" (1/1) ... [2021-12-15 12:31:58,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:58" (1/1) ... [2021-12-15 12:31:58,331 INFO L137 Inliner]: procedures = 775, calls = 2499, calls flagged for inlining = 69, calls inlined = 19, statements flattened = 1070 [2021-12-15 12:31:58,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:58,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:31:58,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:31:58,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:31:58,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:58" (1/1) ... [2021-12-15 12:31:58,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:58" (1/1) ... [2021-12-15 12:31:58,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:58" (1/1) ... [2021-12-15 12:31:58,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:58" (1/1) ... [2021-12-15 12:31:58,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:58" (1/1) ... [2021-12-15 12:31:58,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:58" (1/1) ... [2021-12-15 12:31:58,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:58" (1/1) ... [2021-12-15 12:31:58,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:31:58,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:31:58,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:31:58,432 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:31:58,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:58" (1/1) ... [2021-12-15 12:31:58,438 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:58,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:31:58,455 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 12:31:58,457 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 12:31:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-15 12:31:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-15 12:31:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-15 12:31:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:31:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-15 12:31:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-15 12:31:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:31:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:31:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2021-12-15 12:31:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2021-12-15 12:31:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:31:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:31:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:31:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:31:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:31:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:31:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:31:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-15 12:31:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-15 12:31:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:31:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-12-15 12:31:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-12-15 12:31:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:31:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-15 12:31:58,484 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-15 12:31:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:31:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2021-12-15 12:31:58,484 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2021-12-15 12:31:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2021-12-15 12:31:58,484 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2021-12-15 12:31:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2021-12-15 12:31:58,485 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2021-12-15 12:31:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2021-12-15 12:31:58,485 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2021-12-15 12:31:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2021-12-15 12:31:58,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2021-12-15 12:31:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:31:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-12-15 12:31:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2021-12-15 12:31:58,486 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2021-12-15 12:31:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 12:31:58,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 12:31:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2021-12-15 12:31:58,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2021-12-15 12:31:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2021-12-15 12:31:58,489 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2021-12-15 12:31:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2021-12-15 12:31:58,490 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2021-12-15 12:31:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:31:58,490 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:31:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2021-12-15 12:31:58,490 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2021-12-15 12:31:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:31:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-15 12:31:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-15 12:31:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-15 12:31:58,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-15 12:31:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-12-15 12:31:58,495 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-12-15 12:31:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2021-12-15 12:31:58,495 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2021-12-15 12:31:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2021-12-15 12:31:58,495 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2021-12-15 12:31:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure uninterpreted_equals [2021-12-15 12:31:58,495 INFO L138 BoogieDeclarations]: Found implementation of procedure uninterpreted_equals [2021-12-15 12:31:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-15 12:31:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-15 12:31:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:31:58,829 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:31:58,830 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:31:59,000 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume !true; [2021-12-15 12:31:59,000 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !true; [2021-12-15 12:31:59,025 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !true; [2021-12-15 12:31:59,053 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !true; [2021-12-15 12:31:59,405 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !true; [2021-12-15 12:31:59,406 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume !true; [2021-12-15 12:31:59,421 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:31:59,453 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:31:59,454 INFO L301 CfgBuilder]: Removed 16 assume(true) statements. [2021-12-15 12:31:59,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:59 BoogieIcfgContainer [2021-12-15 12:31:59,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:31:59,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:31:59,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:31:59,462 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:31:59,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:31:56" (1/3) ... [2021-12-15 12:31:59,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1684a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:59, skipping insertion in model container [2021-12-15 12:31:59,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:58" (2/3) ... [2021-12-15 12:31:59,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1684a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:59, skipping insertion in model container [2021-12-15 12:31:59,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:59" (3/3) ... [2021-12-15 12:31:59,464 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_table_remove_harness.i [2021-12-15 12:31:59,469 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:31:59,469 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:31:59,512 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:31:59,529 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 12:31:59,529 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:31:59,551 INFO L276 IsEmpty]: Start isEmpty. Operand has 315 states, 205 states have (on average 1.248780487804878) internal successors, (256), 200 states have internal predecessors, (256), 87 states have call successors, (87), 27 states have call predecessors, (87), 27 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2021-12-15 12:31:59,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-12-15 12:31:59,567 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:31:59,568 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 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] [2021-12-15 12:31:59,568 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:31:59,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:31:59,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1499271925, now seen corresponding path program 1 times [2021-12-15 12:31:59,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:31:59,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532556760] [2021-12-15 12:31:59,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:31:59,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:31:59,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:31:59,691 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 12:31:59,698 INFO L158 Benchmark]: Toolchain (without parser) took 3488.44ms. Allocated memory was 136.3MB in the beginning and 195.0MB in the end (delta: 58.7MB). Free memory was 110.5MB in the beginning and 114.2MB in the end (delta: -3.7MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2021-12-15 12:31:59,699 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 86.0MB. Free memory was 58.3MB in the beginning and 58.3MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:31:59,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1952.61ms. Allocated memory was 136.3MB in the beginning and 195.0MB in the end (delta: 58.7MB). Free memory was 109.7MB in the beginning and 140.3MB in the end (delta: -30.6MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. [2021-12-15 12:31:59,701 INFO L158 Benchmark]: Boogie Procedure Inliner took 169.37ms. Allocated memory is still 195.0MB. Free memory was 139.2MB in the beginning and 126.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:31:59,703 INFO L158 Benchmark]: Boogie Preprocessor took 98.45ms. Allocated memory is still 195.0MB. Free memory was 126.7MB in the beginning and 118.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:31:59,703 INFO L158 Benchmark]: RCFGBuilder took 1023.42ms. Allocated memory is still 195.0MB. Free memory was 117.2MB in the beginning and 130.8MB in the end (delta: -13.6MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. [2021-12-15 12:31:59,703 INFO L158 Benchmark]: TraceAbstraction took 240.30ms. Allocated memory is still 195.0MB. Free memory was 130.8MB in the beginning and 114.2MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 12:31:59,705 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 86.0MB. Free memory was 58.3MB in the beginning and 58.3MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1952.61ms. Allocated memory was 136.3MB in the beginning and 195.0MB in the end (delta: 58.7MB). Free memory was 109.7MB in the beginning and 140.3MB in the end (delta: -30.6MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 169.37ms. Allocated memory is still 195.0MB. Free memory was 139.2MB in the beginning and 126.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.45ms. Allocated memory is still 195.0MB. Free memory was 126.7MB in the beginning and 118.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1023.42ms. Allocated memory is still 195.0MB. Free memory was 117.2MB in the beginning and 130.8MB in the end (delta: -13.6MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. * TraceAbstraction took 240.30ms. Allocated memory is still 195.0MB. Free memory was 130.8MB in the beginning and 114.2MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:31:59,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_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 97e90b5866c6e9df01c589395fdbbe46254bc553e4330f2a669b393b022bbd71 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:32:01,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:32:01,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:32:01,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:32:01,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:32:01,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:32:01,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:32:01,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:32:01,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:32:01,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:32:01,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:32:01,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:32:01,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:32:01,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:32:01,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:32:01,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:32:01,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:32:01,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:32:01,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:32:01,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:32:01,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:32:01,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:32:01,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:32:01,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:32:01,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:32:01,419 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:32:01,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:32:01,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:32:01,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:32:01,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:32:01,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:32:01,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:32:01,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:32:01,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:32:01,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:32:01,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:32:01,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:32:01,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:32:01,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:32:01,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:32:01,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:32:01,428 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:32:01,457 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:32:01,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:32:01,459 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:32:01,459 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:32:01,459 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:32:01,460 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:32:01,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:32:01,461 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:32:01,461 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:32:01,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:32:01,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:32:01,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:32:01,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:32:01,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:32:01,462 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:32:01,462 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:32:01,462 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:32:01,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:32:01,463 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:32:01,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:32:01,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:32:01,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:32:01,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:32:01,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:32:01,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:32:01,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:32:01,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:32:01,464 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:32:01,464 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:32:01,464 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:32:01,464 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:32:01,464 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:32:01,465 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:32:01,465 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:32:01,465 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97e90b5866c6e9df01c589395fdbbe46254bc553e4330f2a669b393b022bbd71 [2021-12-15 12:32:01,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:32:01,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:32:01,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:32:01,720 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:32:01,720 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:32:01,721 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i [2021-12-15 12:32:01,765 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06e7ac319/d65baded52454dde82e0679df4e20871/FLAGd0bb2728e [2021-12-15 12:32:02,368 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:32:02,369 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i [2021-12-15 12:32:02,397 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06e7ac319/d65baded52454dde82e0679df4e20871/FLAGd0bb2728e [2021-12-15 12:32:02,795 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06e7ac319/d65baded52454dde82e0679df4e20871 [2021-12-15 12:32:02,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:32:02,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:32:02,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:32:02,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:32:02,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:32:02,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:32:02" (1/1) ... [2021-12-15 12:32:02,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aab5819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:02, skipping insertion in model container [2021-12-15 12:32:02,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:32:02" (1/1) ... [2021-12-15 12:32:02,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:32:02,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:32:03,073 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i[4495,4508] [2021-12-15 12:32:03,079 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i[4555,4568] [2021-12-15 12:32:03,607 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:03,608 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:03,608 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:03,608 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:03,609 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:03,616 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:03,617 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:03,618 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:03,618 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:03,620 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:03,620 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:03,621 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:03,621 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:03,844 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:32:03,845 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:32:03,846 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:32:03,847 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:32:03,847 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:32:03,848 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:32:03,848 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:32:03,849 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:32:03,849 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:32:03,850 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:32:03,950 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:32:04,202 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,203 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,224 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,224 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,229 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,231 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,253 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,253 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,254 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,254 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,255 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,255 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,255 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,296 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:32:04,333 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:32:04,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:32:04,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i[4495,4508] [2021-12-15 12:32:04,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i[4555,4568] [2021-12-15 12:32:04,402 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,409 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,409 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,410 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,410 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,417 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,417 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,417 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,418 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,418 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,419 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,419 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,419 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,441 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:32:04,442 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:32:04,443 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:32:04,443 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:32:04,444 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:32:04,444 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:32:04,445 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:32:04,445 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:32:04,445 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:32:04,446 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:32:04,460 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:32:04,532 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,532 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,536 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,537 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,538 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,539 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,546 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,547 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,548 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,548 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,548 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,548 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,549 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,562 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:32:04,584 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:32:04,599 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i[4495,4508] [2021-12-15 12:32:04,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i[4555,4568] [2021-12-15 12:32:04,622 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,623 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,623 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,634 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,635 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,638 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,638 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,639 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,639 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,640 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,640 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,641 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,641 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,656 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:32:04,658 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:32:04,658 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:32:04,658 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:32:04,659 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:32:04,660 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:32:04,660 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:32:04,660 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:32:04,660 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:32:04,661 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:32:04,672 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:32:04,773 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,774 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,778 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,800 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,803 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,803 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,811 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,812 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,812 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,813 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,813 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,813 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,813 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:04,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:32:05,037 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:32:05,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:05 WrapperNode [2021-12-15 12:32:05,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:32:05,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:32:05,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:32:05,038 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:32:05,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:05" (1/1) ... [2021-12-15 12:32:05,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:05" (1/1) ... [2021-12-15 12:32:05,185 INFO L137 Inliner]: procedures = 795, calls = 2499, calls flagged for inlining = 71, calls inlined = 18, statements flattened = 1058 [2021-12-15 12:32:05,186 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:32:05,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:32:05,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:32:05,187 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:32:05,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:05" (1/1) ... [2021-12-15 12:32:05,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:05" (1/1) ... [2021-12-15 12:32:05,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:05" (1/1) ... [2021-12-15 12:32:05,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:05" (1/1) ... [2021-12-15 12:32:05,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:05" (1/1) ... [2021-12-15 12:32:05,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:05" (1/1) ... [2021-12-15 12:32:05,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:05" (1/1) ... [2021-12-15 12:32:05,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:32:05,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:32:05,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:32:05,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:32:05,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:05" (1/1) ... [2021-12-15 12:32:05,276 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:32:05,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:32:05,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:32:05,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:32:05,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-15 12:32:05,324 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-15 12:32:05,324 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-15 12:32:05,325 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-15 12:32:05,325 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-15 12:32:05,325 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:32:05,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:32:05,329 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2021-12-15 12:32:05,330 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2021-12-15 12:32:05,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:32:05,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:32:05,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:32:05,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:32:05,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:32:05,330 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:32:05,330 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:32:05,330 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-15 12:32:05,330 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-15 12:32:05,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:32:05,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:32:05,331 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-12-15 12:32:05,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-12-15 12:32:05,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:32:05,331 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-15 12:32:05,331 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-15 12:32:05,331 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2021-12-15 12:32:05,331 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2021-12-15 12:32:05,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 12:32:05,332 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2021-12-15 12:32:05,332 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2021-12-15 12:32:05,332 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2021-12-15 12:32:05,332 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2021-12-15 12:32:05,332 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2021-12-15 12:32:05,332 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2021-12-15 12:32:05,332 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2021-12-15 12:32:05,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2021-12-15 12:32:05,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:32:05,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:32:05,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:32:05,333 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2021-12-15 12:32:05,333 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2021-12-15 12:32:05,333 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 12:32:05,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 12:32:05,333 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2021-12-15 12:32:05,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2021-12-15 12:32:05,333 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2021-12-15 12:32:05,334 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2021-12-15 12:32:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:32:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:32:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2021-12-15 12:32:05,334 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2021-12-15 12:32:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:32:05,334 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:32:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:32:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:32:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2021-12-15 12:32:05,335 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2021-12-15 12:32:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:32:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-15 12:32:05,335 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-15 12:32:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-15 12:32:05,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-15 12:32:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-12-15 12:32:05,335 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-12-15 12:32:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2021-12-15 12:32:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2021-12-15 12:32:05,336 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2021-12-15 12:32:05,336 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2021-12-15 12:32:05,336 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2021-12-15 12:32:05,336 INFO L130 BoogieDeclarations]: Found specification of procedure uninterpreted_equals [2021-12-15 12:32:05,336 INFO L138 BoogieDeclarations]: Found implementation of procedure uninterpreted_equals [2021-12-15 12:32:05,653 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:32:05,654 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:32:06,688 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume !true; [2021-12-15 12:32:06,688 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !true; [2021-12-15 12:32:06,718 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !true; [2021-12-15 12:32:06,878 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !true; [2021-12-15 12:32:10,263 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !true; [2021-12-15 12:32:10,263 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume !true; [2021-12-15 12:32:10,286 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:32:10,298 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:32:10,299 INFO L301 CfgBuilder]: Removed 16 assume(true) statements. [2021-12-15 12:32:10,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:32:10 BoogieIcfgContainer [2021-12-15 12:32:10,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:32:10,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:32:10,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:32:10,306 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:32:10,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:32:02" (1/3) ... [2021-12-15 12:32:10,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f45a43a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:32:10, skipping insertion in model container [2021-12-15 12:32:10,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:05" (2/3) ... [2021-12-15 12:32:10,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f45a43a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:32:10, skipping insertion in model container [2021-12-15 12:32:10,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:32:10" (3/3) ... [2021-12-15 12:32:10,309 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_table_remove_harness.i [2021-12-15 12:32:10,317 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:32:10,317 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:32:10,363 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:32:10,369 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 12:32:10,369 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:32:10,389 INFO L276 IsEmpty]: Start isEmpty. Operand has 301 states, 195 states have (on average 1.2564102564102564) internal successors, (245), 190 states have internal predecessors, (245), 84 states have call successors, (84), 26 states have call predecessors, (84), 26 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2021-12-15 12:32:10,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-12-15 12:32:10,404 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:32:10,405 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 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] [2021-12-15 12:32:10,405 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:32:10,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:32:10,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1239254370, now seen corresponding path program 1 times [2021-12-15 12:32:10,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:32:10,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [177355704] [2021-12-15 12:32:10,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:32:10,422 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:32:10,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:32:10,424 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 12:32:10,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 12:32:10,560 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-15 12:32:10,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 12:32:10,761 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:32:10,765 INFO L158 Benchmark]: Toolchain (without parser) took 7966.66ms. Allocated memory was 58.7MB in the beginning and 190.8MB in the end (delta: 132.1MB). Free memory was 27.5MB in the beginning and 123.2MB in the end (delta: -95.7MB). Peak memory consumption was 109.5MB. Max. memory is 16.1GB. [2021-12-15 12:32:10,765 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:32:10,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2237.37ms. Allocated memory was 58.7MB in the beginning and 130.0MB in the end (delta: 71.3MB). Free memory was 27.4MB in the beginning and 52.6MB in the end (delta: -25.2MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. [2021-12-15 12:32:10,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 147.81ms. Allocated memory is still 130.0MB. Free memory was 52.6MB in the beginning and 71.7MB in the end (delta: -19.1MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2021-12-15 12:32:10,766 INFO L158 Benchmark]: Boogie Preprocessor took 83.91ms. Allocated memory is still 130.0MB. Free memory was 71.7MB in the beginning and 61.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:32:10,766 INFO L158 Benchmark]: RCFGBuilder took 5030.04ms. Allocated memory was 130.0MB in the beginning and 190.8MB in the end (delta: 60.8MB). Free memory was 61.2MB in the beginning and 70.4MB in the end (delta: -9.2MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. [2021-12-15 12:32:10,766 INFO L158 Benchmark]: TraceAbstraction took 459.95ms. Allocated memory is still 190.8MB. Free memory was 70.4MB in the beginning and 123.2MB in the end (delta: -52.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 12:32:10,768 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2237.37ms. Allocated memory was 58.7MB in the beginning and 130.0MB in the end (delta: 71.3MB). Free memory was 27.4MB in the beginning and 52.6MB in the end (delta: -25.2MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 147.81ms. Allocated memory is still 130.0MB. Free memory was 52.6MB in the beginning and 71.7MB in the end (delta: -19.1MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.91ms. Allocated memory is still 130.0MB. Free memory was 71.7MB in the beginning and 61.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 5030.04ms. Allocated memory was 130.0MB in the beginning and 190.8MB in the end (delta: 60.8MB). Free memory was 61.2MB in the beginning and 70.4MB in the end (delta: -9.2MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. * TraceAbstraction took 459.95ms. Allocated memory is still 190.8MB. Free memory was 70.4MB in the beginning and 123.2MB in the end (delta: -52.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:32:10,813 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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable