./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5ba879a31f48d1f1f7d1dc7f928910bfb7ed0629fadb04ed483f94e60bfd5ef0 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:29:55,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:29:55,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:29:55,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:29:55,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:29:55,997 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:29:55,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:29:56,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:29:56,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:29:56,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:29:56,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:29:56,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:29:56,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:29:56,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:29:56,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:29:56,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:29:56,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:29:56,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:29:56,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:29:56,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:29:56,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:29:56,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:29:56,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:29:56,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:29:56,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:29:56,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:29:56,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:29:56,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:29:56,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:29:56,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:29:56,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:29:56,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:29:56,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:29:56,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:29:56,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:29:56,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:29:56,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:29:56,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:29:56,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:29:56,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:29:56,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:29:56,039 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:29:56,061 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:29:56,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:29:56,064 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:29:56,064 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:29:56,065 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:29:56,065 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:29:56,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:29:56,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:29:56,066 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:29:56,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:29:56,067 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:29:56,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:29:56,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:29:56,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:29:56,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:29:56,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:29:56,068 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:29:56,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:29:56,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:29:56,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:29:56,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:29:56,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:29:56,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:29:56,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:29:56,069 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:29:56,069 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:29:56,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:29:56,070 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:29:56,070 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:29:56,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:29:56,070 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:29:56,070 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ba879a31f48d1f1f7d1dc7f928910bfb7ed0629fadb04ed483f94e60bfd5ef0 [2021-12-15 12:29:56,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:29:56,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:29:56,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:29:56,303 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:29:56,304 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:29:56,305 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_harness.i [2021-12-15 12:29:56,357 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2f634dfe/adcf15c0a678499d97d18af46008076f/FLAG8879a3a48 [2021-12-15 12:29:56,999 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:29:57,000 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_harness.i [2021-12-15 12:29:57,032 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2f634dfe/adcf15c0a678499d97d18af46008076f/FLAG8879a3a48 [2021-12-15 12:29:57,340 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2f634dfe/adcf15c0a678499d97d18af46008076f [2021-12-15 12:29:57,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:29:57,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:29:57,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:29:57,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:29:57,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:29:57,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:29:57" (1/1) ... [2021-12-15 12:29:57,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@717e8a81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:57, skipping insertion in model container [2021-12-15 12:29:57,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:29:57" (1/1) ... [2021-12-15 12:29:57,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:29:57,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:29:57,700 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_array_list_clean_up_harness.i[4497,4510] [2021-12-15 12:29:57,704 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_array_list_clean_up_harness.i[4557,4570] [2021-12-15 12:29:58,462 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:29:58,538 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:29:58,548 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:29:58,554 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:29:58,558 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:29:58,560 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:29:58,577 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:29:58,591 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:29:58,600 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:29:58,601 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:29:58,602 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:29:58,602 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:29:58,603 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:29:58,603 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:29:58,896 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:29:58,897 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:29:58,897 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:29:58,898 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:29:58,899 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:29:58,899 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:29:58,900 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:29:58,900 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:29:58,901 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:29:58,901 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:29:58,963 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:29:58,967 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:29:58,998 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:29:59,019 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:29:59,036 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_array_list_clean_up_harness.i[4497,4510] [2021-12-15 12:29:59,036 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_array_list_clean_up_harness.i[4557,4570] [2021-12-15 12:29:59,067 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:29:59,088 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:29:59,089 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:29:59,089 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:29:59,090 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:29:59,094 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:29:59,127 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:29:59,127 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:29:59,128 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:29:59,128 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:29:59,129 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:29:59,129 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:29:59,129 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:29:59,129 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:29:59,183 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:29:59,184 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:29:59,184 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:29:59,188 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:29:59,189 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:29:59,202 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:29:59,202 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:29:59,203 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:29:59,203 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:29:59,203 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:29:59,212 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:29:59,229 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:29:59,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:29:59,401 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:29:59,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:59 WrapperNode [2021-12-15 12:29:59,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:29:59,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:29:59,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:29:59,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:29:59,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:59" (1/1) ... [2021-12-15 12:29:59,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:59" (1/1) ... [2021-12-15 12:29:59,540 INFO L137 Inliner]: procedures = 690, calls = 1553, calls flagged for inlining = 48, calls inlined = 7, statements flattened = 577 [2021-12-15 12:29:59,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:29:59,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:29:59,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:29:59,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:29:59,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:59" (1/1) ... [2021-12-15 12:29:59,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:59" (1/1) ... [2021-12-15 12:29:59,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:59" (1/1) ... [2021-12-15 12:29:59,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:59" (1/1) ... [2021-12-15 12:29:59,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:59" (1/1) ... [2021-12-15 12:29:59,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:59" (1/1) ... [2021-12-15 12:29:59,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:59" (1/1) ... [2021-12-15 12:29:59,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:29:59,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:29:59,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:29:59,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:29:59,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:59" (1/1) ... [2021-12-15 12:29:59,614 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:29:59,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:29:59,670 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 12:29:59,711 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 12:29:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2021-12-15 12:29:59,749 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2021-12-15 12:29:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:29:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-12-15 12:29:59,750 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-12-15 12:29:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-12-15 12:29:59,751 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-12-15 12:29:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-15 12:29:59,751 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-15 12:29:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:29:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-15 12:29:59,752 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-15 12:29:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:29:59,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:29:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:29:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:29:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:29:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:29:59,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:29:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:29:59,753 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:29:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-15 12:29:59,753 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-15 12:29:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2021-12-15 12:29:59,754 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2021-12-15 12:29:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 12:29:59,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 12:29:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:29:59,755 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:29:59,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:29:59,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:29:59,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:29:59,755 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-15 12:29:59,755 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-15 12:29:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-15 12:29:59,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-15 12:29:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:29:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:30:00,001 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:30:00,002 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:30:00,452 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:30:00,458 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:30:00,458 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-15 12:30:00,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:30:00 BoogieIcfgContainer [2021-12-15 12:30:00,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:30:00,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:30:00,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:30:00,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:30:00,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:29:57" (1/3) ... [2021-12-15 12:30:00,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a042b31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:30:00, skipping insertion in model container [2021-12-15 12:30:00,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:59" (2/3) ... [2021-12-15 12:30:00,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a042b31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:30:00, skipping insertion in model container [2021-12-15 12:30:00,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:30:00" (3/3) ... [2021-12-15 12:30:00,467 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_clean_up_harness.i [2021-12-15 12:30:00,475 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:30:00,475 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:30:00,517 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:30:00,532 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 12:30:00,532 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:30:00,547 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 78 states have (on average 1.2564102564102564) internal successors, (98), 78 states have internal predecessors, (98), 22 states have call successors, (22), 13 states have call predecessors, (22), 13 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2021-12-15 12:30:00,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-12-15 12:30:00,555 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:30:00,556 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-12-15 12:30:00,556 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:30:00,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:30:00,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1460968734, now seen corresponding path program 1 times [2021-12-15 12:30:00,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:30:00,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054950295] [2021-12-15 12:30:00,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:30:00,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:30:00,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:30:00,666 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 12:30:00,673 INFO L158 Benchmark]: Toolchain (without parser) took 3328.89ms. Allocated memory was 102.8MB in the beginning and 186.6MB in the end (delta: 83.9MB). Free memory was 69.7MB in the beginning and 95.6MB in the end (delta: -25.8MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2021-12-15 12:30:00,675 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:30:00,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2056.40ms. Allocated memory was 102.8MB in the beginning and 134.2MB in the end (delta: 31.5MB). Free memory was 69.5MB in the beginning and 57.0MB in the end (delta: 12.6MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. [2021-12-15 12:30:00,681 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.85ms. Allocated memory was 134.2MB in the beginning and 186.6MB in the end (delta: 52.4MB). Free memory was 57.0MB in the beginning and 141.7MB in the end (delta: -84.8MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2021-12-15 12:30:00,681 INFO L158 Benchmark]: Boogie Preprocessor took 60.45ms. Allocated memory is still 186.6MB. Free memory was 141.7MB in the beginning and 136.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 12:30:00,683 INFO L158 Benchmark]: RCFGBuilder took 858.46ms. Allocated memory is still 186.6MB. Free memory was 136.5MB in the beginning and 109.2MB in the end (delta: 27.3MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2021-12-15 12:30:00,683 INFO L158 Benchmark]: TraceAbstraction took 209.93ms. Allocated memory is still 186.6MB. Free memory was 108.1MB in the beginning and 95.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:30:00,687 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2056.40ms. Allocated memory was 102.8MB in the beginning and 134.2MB in the end (delta: 31.5MB). Free memory was 69.5MB in the beginning and 57.0MB in the end (delta: 12.6MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 137.85ms. Allocated memory was 134.2MB in the beginning and 186.6MB in the end (delta: 52.4MB). Free memory was 57.0MB in the beginning and 141.7MB in the end (delta: -84.8MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.45ms. Allocated memory is still 186.6MB. Free memory was 141.7MB in the beginning and 136.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 858.46ms. Allocated memory is still 186.6MB. Free memory was 136.5MB in the beginning and 109.2MB in the end (delta: 27.3MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * TraceAbstraction took 209.93ms. Allocated memory is still 186.6MB. Free memory was 108.1MB in the beginning and 95.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:30:00,714 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_array_list_clean_up_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5ba879a31f48d1f1f7d1dc7f928910bfb7ed0629fadb04ed483f94e60bfd5ef0 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:30:02,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:30:02,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:30:02,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:30:02,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:30:02,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:30:02,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:30:02,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:30:02,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:30:02,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:30:02,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:30:02,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:30:02,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:30:02,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:30:02,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:30:02,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:30:02,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:30:02,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:30:02,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:30:02,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:30:02,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:30:02,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:30:02,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:30:02,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:30:02,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:30:02,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:30:02,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:30:02,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:30:02,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:30:02,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:30:02,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:30:02,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:30:02,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:30:02,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:30:02,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:30:02,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:30:02,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:30:02,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:30:02,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:30:02,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:30:02,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:30:02,698 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:30:02,730 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:30:02,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:30:02,731 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:30:02,731 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:30:02,732 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:30:02,732 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:30:02,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:30:02,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:30:02,732 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:30:02,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:30:02,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:30:02,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:30:02,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:30:02,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:30:02,733 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:30:02,733 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:30:02,733 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:30:02,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:30:02,733 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:30:02,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:30:02,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:30:02,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:30:02,733 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:30:02,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:30:02,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:30:02,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:30:02,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:30:02,734 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:30:02,734 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:30:02,734 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:30:02,734 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:30:02,734 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:30:02,734 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:30:02,734 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:30:02,734 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ba879a31f48d1f1f7d1dc7f928910bfb7ed0629fadb04ed483f94e60bfd5ef0 [2021-12-15 12:30:03,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:30:03,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:30:03,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:30:03,035 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:30:03,036 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:30:03,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_harness.i [2021-12-15 12:30:03,086 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e01d1767d/04f81d3826c64443bdda4a6817dcab22/FLAGe10cd3334 [2021-12-15 12:30:03,746 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:30:03,746 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_harness.i [2021-12-15 12:30:03,785 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e01d1767d/04f81d3826c64443bdda4a6817dcab22/FLAGe10cd3334 [2021-12-15 12:30:04,105 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e01d1767d/04f81d3826c64443bdda4a6817dcab22 [2021-12-15 12:30:04,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:30:04,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:30:04,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:30:04,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:30:04,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:30:04,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:30:04" (1/1) ... [2021-12-15 12:30:04,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@268ce1d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:04, skipping insertion in model container [2021-12-15 12:30:04,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:30:04" (1/1) ... [2021-12-15 12:30:04,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:30:04,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:30:04,679 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_array_list_clean_up_harness.i[4497,4510] [2021-12-15 12:30:04,685 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_array_list_clean_up_harness.i[4557,4570] [2021-12-15 12:30:05,512 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:30:05,605 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:05,607 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:05,608 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:05,610 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:05,611 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:05,627 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:05,635 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:05,636 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:05,636 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:05,637 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:05,639 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:05,640 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:05,640 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:05,848 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:30:05,864 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:30:05,865 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:30:05,868 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:30:05,870 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:30:05,873 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:30:05,874 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:30:05,876 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:30:05,880 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:30:05,881 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:30:06,048 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,063 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:30:06,171 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:30:06,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:30:06,234 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_array_list_clean_up_harness.i[4497,4510] [2021-12-15 12:30:06,234 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_array_list_clean_up_harness.i[4557,4570] [2021-12-15 12:30:06,279 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:30:06,301 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,301 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,302 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,303 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,303 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,309 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,309 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,310 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,310 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,310 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,311 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,311 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,311 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,339 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:30:06,340 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:30:06,340 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:30:06,341 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:30:06,341 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:30:06,342 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:30:06,342 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:30:06,342 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:30:06,343 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:30:06,343 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:30:06,358 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,362 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:30:06,421 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:30:06,436 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_array_list_clean_up_harness.i[4497,4510] [2021-12-15 12:30:06,437 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_array_list_clean_up_harness.i[4557,4570] [2021-12-15 12:30:06,463 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:30:06,475 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,476 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,476 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,476 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,477 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,486 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,486 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,487 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,487 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,488 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,489 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,489 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,489 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,537 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:30:06,537 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:30:06,538 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:30:06,538 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:30:06,539 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:30:06,539 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:30:06,539 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:30:06,539 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:30:06,540 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:30:06,540 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:30:06,548 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,551 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:06,563 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:30:06,835 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:30:06,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:06 WrapperNode [2021-12-15 12:30:06,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:30:06,838 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:30:06,838 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:30:06,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:30:06,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:06" (1/1) ... [2021-12-15 12:30:06,915 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:06" (1/1) ... [2021-12-15 12:30:06,982 INFO L137 Inliner]: procedures = 710, calls = 1553, calls flagged for inlining = 48, calls inlined = 7, statements flattened = 576 [2021-12-15 12:30:06,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:30:06,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:30:06,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:30:06,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:30:07,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:06" (1/1) ... [2021-12-15 12:30:07,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:06" (1/1) ... [2021-12-15 12:30:07,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:06" (1/1) ... [2021-12-15 12:30:07,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:06" (1/1) ... [2021-12-15 12:30:07,068 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:06" (1/1) ... [2021-12-15 12:30:07,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:06" (1/1) ... [2021-12-15 12:30:07,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:06" (1/1) ... [2021-12-15 12:30:07,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:30:07,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:30:07,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:30:07,098 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:30:07,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:06" (1/1) ... [2021-12-15 12:30:07,103 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:30:07,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:30:07,160 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 12:30:07,181 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 12:30:07,216 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2021-12-15 12:30:07,217 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2021-12-15 12:30:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:30:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-12-15 12:30:07,217 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-12-15 12:30:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-12-15 12:30:07,217 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-12-15 12:30:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-15 12:30:07,218 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-15 12:30:07,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:30:07,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:30:07,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 12:30:07,218 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-15 12:30:07,218 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-15 12:30:07,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:30:07,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:30:07,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:30:07,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:30:07,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:30:07,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:30:07,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:30:07,219 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:30:07,219 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:30:07,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:30:07,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:30:07,220 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-15 12:30:07,220 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-15 12:30:07,220 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2021-12-15 12:30:07,220 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2021-12-15 12:30:07,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 12:30:07,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 12:30:07,223 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:30:07,223 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:30:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:30:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:30:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:30:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:30:07,225 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-15 12:30:07,225 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-15 12:30:07,225 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-15 12:30:07,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-15 12:30:07,442 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:30:07,443 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:30:08,117 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:30:08,121 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:30:08,122 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-15 12:30:08,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:30:08 BoogieIcfgContainer [2021-12-15 12:30:08,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:30:08,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:30:08,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:30:08,126 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:30:08,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:30:04" (1/3) ... [2021-12-15 12:30:08,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@684b3df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:30:08, skipping insertion in model container [2021-12-15 12:30:08,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:06" (2/3) ... [2021-12-15 12:30:08,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@684b3df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:30:08, skipping insertion in model container [2021-12-15 12:30:08,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:30:08" (3/3) ... [2021-12-15 12:30:08,128 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_clean_up_harness.i [2021-12-15 12:30:08,132 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:30:08,132 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:30:08,170 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:30:08,174 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 12:30:08,174 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:30:08,187 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 78 states have (on average 1.2564102564102564) internal successors, (98), 78 states have internal predecessors, (98), 22 states have call successors, (22), 13 states have call predecessors, (22), 13 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2021-12-15 12:30:08,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-12-15 12:30:08,192 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:30:08,193 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-12-15 12:30:08,193 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:30:08,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:30:08,197 INFO L85 PathProgramCache]: Analyzing trace with hash 213945854, now seen corresponding path program 1 times [2021-12-15 12:30:08,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:30:08,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [220574023] [2021-12-15 12:30:08,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:30:08,209 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:30:08,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:30:08,222 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 12:30:08,290 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 12:30:08,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 12:30:08,550 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 12:30:08,551 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 12:30:08,554 INFO L158 Benchmark]: Toolchain (without parser) took 4442.14ms. Allocated memory was 56.6MB in the beginning and 138.4MB in the end (delta: 81.8MB). Free memory was 28.4MB in the beginning and 67.2MB in the end (delta: -38.8MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. [2021-12-15 12:30:08,554 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory was 39.2MB in the beginning and 39.2MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:30:08,554 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2724.81ms. Allocated memory was 56.6MB in the beginning and 138.4MB in the end (delta: 81.8MB). Free memory was 28.2MB in the beginning and 69.7MB in the end (delta: -41.6MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2021-12-15 12:30:08,555 INFO L158 Benchmark]: Boogie Procedure Inliner took 145.12ms. Allocated memory is still 138.4MB. Free memory was 69.5MB in the beginning and 61.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:30:08,555 INFO L158 Benchmark]: Boogie Preprocessor took 100.11ms. Allocated memory is still 138.4MB. Free memory was 90.8MB in the beginning and 91.0MB in the end (delta: -275.3kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 12:30:08,555 INFO L158 Benchmark]: RCFGBuilder took 1025.64ms. Allocated memory is still 138.4MB. Free memory was 91.0MB in the beginning and 82.8MB in the end (delta: 8.2MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. [2021-12-15 12:30:08,556 INFO L158 Benchmark]: TraceAbstraction took 428.66ms. Allocated memory is still 138.4MB. Free memory was 81.9MB in the beginning and 67.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:30:08,557 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory was 39.2MB in the beginning and 39.2MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2724.81ms. Allocated memory was 56.6MB in the beginning and 138.4MB in the end (delta: 81.8MB). Free memory was 28.2MB in the beginning and 69.7MB in the end (delta: -41.6MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 145.12ms. Allocated memory is still 138.4MB. Free memory was 69.5MB in the beginning and 61.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.11ms. Allocated memory is still 138.4MB. Free memory was 90.8MB in the beginning and 91.0MB in the end (delta: -275.3kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1025.64ms. Allocated memory is still 138.4MB. Free memory was 91.0MB in the beginning and 82.8MB in the end (delta: 8.2MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. * TraceAbstraction took 428.66ms. Allocated memory is still 138.4MB. Free memory was 81.9MB in the beginning and 67.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:30:08,586 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable