./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_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_string_new_from_string_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 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:33:02,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:33:02,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:33:02,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:33:02,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:33:02,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:33:02,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:33:02,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:33:02,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:33:02,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:33:02,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:33:02,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:33:02,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:33:02,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:33:02,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:33:02,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:33:02,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:33:02,840 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:33:02,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:33:02,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:33:02,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:33:02,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:33:02,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:33:02,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:33:02,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:33:02,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:33:02,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:33:02,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:33:02,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:33:02,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:33:02,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:33:02,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:33:02,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:33:02,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:33:02,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:33:02,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:33:02,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:33:02,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:33:02,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:33:02,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:33:02,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:33:02,866 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:33:02,890 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:33:02,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:33:02,890 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:33:02,890 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:33:02,891 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:33:02,891 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:33:02,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:33:02,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:33:02,891 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:33:02,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:33:02,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:33:02,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:33:02,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:33:02,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:33:02,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:33:02,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:33:02,892 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:33:02,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:33:02,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:33:02,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:33:02,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:33:02,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:02,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:33:02,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:33:02,893 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:33:02,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:33:02,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:33:02,894 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:33:02,894 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:33:02,894 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:33:02,894 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:33:02,894 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 [2021-12-15 12:33:03,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:33:03,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:33:03,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:33:03,085 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:33:03,086 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:33:03,087 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2021-12-15 12:33:03,146 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a9dfecc1/b15fcf2053a842638cc47cb42a872c28/FLAG40c17edfb [2021-12-15 12:33:03,699 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:33:03,700 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2021-12-15 12:33:03,731 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a9dfecc1/b15fcf2053a842638cc47cb42a872c28/FLAG40c17edfb [2021-12-15 12:33:03,905 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a9dfecc1/b15fcf2053a842638cc47cb42a872c28 [2021-12-15 12:33:03,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:33:03,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:33:03,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:03,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:33:03,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:33:03,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:03" (1/1) ... [2021-12-15 12:33:03,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16ff8959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:03, skipping insertion in model container [2021-12-15 12:33:03,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:03" (1/1) ... [2021-12-15 12:33:03,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:33:04,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:33:04,212 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_string_new_from_string_harness.i[4500,4513] [2021-12-15 12:33:04,218 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_string_new_from_string_harness.i[4560,4573] [2021-12-15 12:33:04,731 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:04,732 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:04,732 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:04,733 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:04,733 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:04,746 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:04,746 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:04,748 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:04,748 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:05,012 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:33:05,013 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:33:05,014 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:33:05,016 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:33:05,019 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:33:05,021 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:33:05,022 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:33:05,023 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:33:05,025 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:33:05,026 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:33:05,158 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:33:05,274 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:05,276 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:05,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:05,401 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:33:05,419 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_string_new_from_string_harness.i[4500,4513] [2021-12-15 12:33:05,421 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_string_new_from_string_harness.i[4560,4573] [2021-12-15 12:33:05,446 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:05,447 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:05,448 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:05,449 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:05,449 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:05,470 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:05,470 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:05,471 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:05,471 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:05,494 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:33:05,494 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:33:05,495 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:33:05,495 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:33:05,496 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:33:05,496 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:33:05,496 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:33:05,496 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:33:05,497 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:33:05,498 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:33:05,508 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:33:05,550 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:05,551 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:05,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:05,710 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:33:05,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:05 WrapperNode [2021-12-15 12:33:05,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:05,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:33:05,712 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:33:05,712 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:33:05,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:05" (1/1) ... [2021-12-15 12:33:05,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:05" (1/1) ... [2021-12-15 12:33:05,865 INFO L137 Inliner]: procedures = 690, calls = 2740, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 831 [2021-12-15 12:33:05,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:33:05,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:33:05,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:33:05,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:33:05,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:05" (1/1) ... [2021-12-15 12:33:05,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:05" (1/1) ... [2021-12-15 12:33:05,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:05" (1/1) ... [2021-12-15 12:33:05,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:05" (1/1) ... [2021-12-15 12:33:05,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:05" (1/1) ... [2021-12-15 12:33:05,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:05" (1/1) ... [2021-12-15 12:33:05,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:05" (1/1) ... [2021-12-15 12:33:05,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:33:05,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:33:05,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:33:05,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:33:05,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:05" (1/1) ... [2021-12-15 12:33:05,938 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:05,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:33:05,965 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 12:33:05,991 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 12:33:06,001 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-12-15 12:33:06,001 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-12-15 12:33:06,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:33:06,002 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-15 12:33:06,002 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-15 12:33:06,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2021-12-15 12:33:06,002 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2021-12-15 12:33:06,002 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2021-12-15 12:33:06,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 12:33:06,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 12:33:06,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:33:06,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 12:33:06,004 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 12:33:06,004 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-15 12:33:06,004 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-15 12:33:06,004 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:33:06,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:33:06,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:33:06,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:33:06,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:33:06,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:33:06,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:33:06,005 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:33:06,005 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:33:06,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:33:06,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:33:06,005 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-12-15 12:33:06,005 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-12-15 12:33:06,005 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:33:06,005 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:33:06,006 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2021-12-15 12:33:06,006 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2021-12-15 12:33:06,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:33:06,006 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-12-15 12:33:06,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-12-15 12:33:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:33:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:33:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2021-12-15 12:33:06,007 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2021-12-15 12:33:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-15 12:33:06,007 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-15 12:33:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-12-15 12:33:06,007 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-12-15 12:33:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-15 12:33:06,007 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-15 12:33:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:33:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real [2021-12-15 12:33:06,008 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_string [2021-12-15 12:33:06,008 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_string [2021-12-15 12:33:06,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:33:06,266 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:33:06,268 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:33:06,428 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !true; [2021-12-15 12:33:06,849 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:33:06,855 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:33:06,855 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 12:33:06,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:33:06 BoogieIcfgContainer [2021-12-15 12:33:06,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:33:06,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:33:06,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:33:06,862 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:33:06,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:33:03" (1/3) ... [2021-12-15 12:33:06,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@648e4638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:33:06, skipping insertion in model container [2021-12-15 12:33:06,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:05" (2/3) ... [2021-12-15 12:33:06,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@648e4638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:33:06, skipping insertion in model container [2021-12-15 12:33:06,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:33:06" (3/3) ... [2021-12-15 12:33:06,865 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_string_harness.i [2021-12-15 12:33:06,868 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:33:06,868 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:33:06,906 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:33:06,918 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 12:33:06,918 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:33:06,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 97 states have (on average 1.175257731958763) internal successors, (114), 97 states have internal predecessors, (114), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2021-12-15 12:33:06,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-12-15 12:33:06,938 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:33:06,939 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:33:06,940 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:33:06,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:33:06,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1670706302, now seen corresponding path program 1 times [2021-12-15 12:33:06,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:33:06,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759086601] [2021-12-15 12:33:06,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:33:06,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:33:07,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:33:07,060 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 12:33:07,067 INFO L158 Benchmark]: Toolchain (without parser) took 3156.55ms. Allocated memory was 96.5MB in the beginning and 190.8MB in the end (delta: 94.4MB). Free memory was 57.9MB in the beginning and 103.4MB in the end (delta: -45.5MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2021-12-15 12:33:07,067 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:33:07,070 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1801.33ms. Allocated memory was 96.5MB in the beginning and 144.7MB in the end (delta: 48.2MB). Free memory was 57.8MB in the beginning and 74.0MB in the end (delta: -16.2MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. [2021-12-15 12:33:07,071 INFO L158 Benchmark]: Boogie Procedure Inliner took 153.80ms. Allocated memory is still 144.7MB. Free memory was 74.0MB in the beginning and 62.2MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:33:07,071 INFO L158 Benchmark]: Boogie Preprocessor took 58.32ms. Allocated memory is still 144.7MB. Free memory was 62.2MB in the beginning and 55.2MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:33:07,072 INFO L158 Benchmark]: RCFGBuilder took 932.64ms. Allocated memory was 144.7MB in the beginning and 190.8MB in the end (delta: 46.1MB). Free memory was 55.2MB in the beginning and 117.0MB in the end (delta: -61.8MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2021-12-15 12:33:07,072 INFO L158 Benchmark]: TraceAbstraction took 205.08ms. Allocated memory is still 190.8MB. Free memory was 117.0MB in the beginning and 103.4MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:33:07,078 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 96.5MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1801.33ms. Allocated memory was 96.5MB in the beginning and 144.7MB in the end (delta: 48.2MB). Free memory was 57.8MB in the beginning and 74.0MB in the end (delta: -16.2MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 153.80ms. Allocated memory is still 144.7MB. Free memory was 74.0MB in the beginning and 62.2MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.32ms. Allocated memory is still 144.7MB. Free memory was 62.2MB in the beginning and 55.2MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 932.64ms. Allocated memory was 144.7MB in the beginning and 190.8MB in the end (delta: 46.1MB). Free memory was 55.2MB in the beginning and 117.0MB in the end (delta: -61.8MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. * TraceAbstraction took 205.08ms. Allocated memory is still 190.8MB. Free memory was 117.0MB in the beginning and 103.4MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:33:07,107 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_string_new_from_string_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 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:33:08,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:33:08,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:33:08,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:33:08,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:33:08,785 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:33:08,786 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:33:08,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:33:08,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:33:08,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:33:08,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:33:08,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:33:08,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:33:08,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:33:08,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:33:08,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:33:08,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:33:08,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:33:08,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:33:08,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:33:08,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:33:08,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:33:08,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:33:08,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:33:08,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:33:08,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:33:08,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:33:08,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:33:08,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:33:08,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:33:08,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:33:08,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:33:08,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:33:08,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:33:08,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:33:08,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:33:08,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:33:08,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:33:08,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:33:08,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:33:08,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:33:08,833 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:33:08,859 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:33:08,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:33:08,860 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:33:08,860 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:33:08,861 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:33:08,861 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:33:08,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:33:08,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:33:08,862 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:33:08,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:33:08,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:33:08,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:33:08,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:33:08,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:33:08,864 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:33:08,864 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:33:08,864 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:33:08,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:33:08,864 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:33:08,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:33:08,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:33:08,865 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:33:08,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:33:08,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:08,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:33:08,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:33:08,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:33:08,866 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:33:08,866 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:33:08,866 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:33:08,866 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:33:08,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:33:08,866 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:33:08,867 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:33:08,867 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 [2021-12-15 12:33:09,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:33:09,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:33:09,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:33:09,153 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:33:09,154 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:33:09,155 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2021-12-15 12:33:09,201 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6793c4dc/0259aac6feff4970b1c9c9e78e3efad7/FLAGd959a9a73 [2021-12-15 12:33:09,883 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:33:09,883 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2021-12-15 12:33:09,918 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6793c4dc/0259aac6feff4970b1c9c9e78e3efad7/FLAGd959a9a73 [2021-12-15 12:33:10,177 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6793c4dc/0259aac6feff4970b1c9c9e78e3efad7 [2021-12-15 12:33:10,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:33:10,180 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:33:10,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:10,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:33:10,186 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:33:10,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:10" (1/1) ... [2021-12-15 12:33:10,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d52b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:10, skipping insertion in model container [2021-12-15 12:33:10,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:10" (1/1) ... [2021-12-15 12:33:10,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:33:10,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:33:10,495 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_string_new_from_string_harness.i[4500,4513] [2021-12-15 12:33:10,500 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4560,4573] [2021-12-15 12:33:11,051 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,052 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,052 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,052 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,053 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,063 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,066 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,068 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,070 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,331 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:33:11,332 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:33:11,333 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:33:11,333 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:33:11,334 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:33:11,335 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:33:11,335 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:33:11,339 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:33:11,340 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:33:11,342 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:33:11,425 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:33:11,493 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,496 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,577 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:11,629 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:33:11,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:33:11,700 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_string_new_from_string_harness.i[4500,4513] [2021-12-15 12:33:11,700 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_string_new_from_string_harness.i[4560,4573] [2021-12-15 12:33:11,734 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,734 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,735 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,735 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,736 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,743 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,743 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,744 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,744 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,775 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:33:11,776 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:33:11,776 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:33:11,777 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:33:11,777 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:33:11,778 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:33:11,778 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:33:11,778 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:33:11,779 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:33:11,779 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:33:11,802 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:33:11,850 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,850 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:11,892 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:33:11,901 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_string_new_from_string_harness.i[4500,4513] [2021-12-15 12:33:11,902 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_string_new_from_string_harness.i[4560,4573] [2021-12-15 12:33:11,934 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,934 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,935 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,935 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,935 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,938 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,938 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,939 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,939 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:11,961 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:33:11,962 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:33:11,962 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:33:11,962 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:33:11,963 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:33:11,963 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:33:11,963 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:33:11,964 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:33:11,964 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:33:11,964 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:33:11,975 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:33:12,014 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:12,015 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:33:12,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:12,322 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:33:12,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:12 WrapperNode [2021-12-15 12:33:12,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:12,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:33:12,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:33:12,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:33:12,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:12" (1/1) ... [2021-12-15 12:33:12,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:12" (1/1) ... [2021-12-15 12:33:12,509 INFO L137 Inliner]: procedures = 710, calls = 2740, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 830 [2021-12-15 12:33:12,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:33:12,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:33:12,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:33:12,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:33:12,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:12" (1/1) ... [2021-12-15 12:33:12,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:12" (1/1) ... [2021-12-15 12:33:12,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:12" (1/1) ... [2021-12-15 12:33:12,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:12" (1/1) ... [2021-12-15 12:33:12,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:12" (1/1) ... [2021-12-15 12:33:12,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:12" (1/1) ... [2021-12-15 12:33:12,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:12" (1/1) ... [2021-12-15 12:33:12,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:33:12,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:33:12,618 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:33:12,618 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:33:12,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:12" (1/1) ... [2021-12-15 12:33:12,623 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:12,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:33:12,641 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 12:33:12,648 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 12:33:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-12-15 12:33:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-12-15 12:33:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:33:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-15 12:33:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-15 12:33:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:33:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:33:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2021-12-15 12:33:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2021-12-15 12:33:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2021-12-15 12:33:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 12:33:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 12:33:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-15 12:33:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-15 12:33:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:33:12,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:33:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:33:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:33:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:33:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 12:33:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 12:33:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 12:33:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 12:33:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:33:12,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:33:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:33:12,674 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:33:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:33:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:33:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:33:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:33:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-12-15 12:33:12,675 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-12-15 12:33:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:33:12,675 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:33:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2021-12-15 12:33:12,676 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2021-12-15 12:33:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:33:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-12-15 12:33:12,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-12-15 12:33:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:33:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:33:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:33:12,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:33:12,679 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2021-12-15 12:33:12,679 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2021-12-15 12:33:12,680 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-15 12:33:12,680 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-15 12:33:12,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE8 [2021-12-15 12:33:12,681 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-12-15 12:33:12,681 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-12-15 12:33:12,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE4 [2021-12-15 12:33:12,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2021-12-15 12:33:12,685 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-15 12:33:12,685 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-15 12:33:12,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 12:33:12,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 12:33:12,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 12:33:12,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 12:33:12,686 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_string [2021-12-15 12:33:12,686 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_string [2021-12-15 12:33:12,912 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:33:12,914 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:33:13,119 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !true; [2021-12-15 12:33:16,279 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:33:16,284 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:33:16,284 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 12:33:16,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:33:16 BoogieIcfgContainer [2021-12-15 12:33:16,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:33:16,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:33:16,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:33:16,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:33:16,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:33:10" (1/3) ... [2021-12-15 12:33:16,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6782980d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:33:16, skipping insertion in model container [2021-12-15 12:33:16,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:12" (2/3) ... [2021-12-15 12:33:16,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6782980d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:33:16, skipping insertion in model container [2021-12-15 12:33:16,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:33:16" (3/3) ... [2021-12-15 12:33:16,291 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_string_harness.i [2021-12-15 12:33:16,295 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:33:16,295 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:33:16,337 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:33:16,343 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 12:33:16,343 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:33:16,358 INFO L276 IsEmpty]: Start isEmpty. Operand has 152 states, 96 states have (on average 1.1770833333333333) internal successors, (113), 96 states have internal predecessors, (113), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2021-12-15 12:33:16,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-12-15 12:33:16,367 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:33:16,368 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:33:16,368 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:33:16,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:33:16,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1169510977, now seen corresponding path program 1 times [2021-12-15 12:33:16,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:33:16,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1006873923] [2021-12-15 12:33:16,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:33:16,385 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:33:16,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:33:16,387 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 12:33:16,395 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 12:33:16,492 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 12:33:16,690 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 12:33:16,691 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.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 12:33:16,695 INFO L158 Benchmark]: Toolchain (without parser) took 6514.28ms. Allocated memory was 62.9MB in the beginning and 266.3MB in the end (delta: 203.4MB). Free memory was 34.2MB in the beginning and 191.3MB in the end (delta: -157.1MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2021-12-15 12:33:16,695 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory was 45.1MB in the beginning and 45.1MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:33:16,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2155.09ms. Allocated memory was 62.9MB in the beginning and 190.8MB in the end (delta: 127.9MB). Free memory was 33.9MB in the beginning and 114.1MB in the end (delta: -80.2MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2021-12-15 12:33:16,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 172.41ms. Allocated memory is still 190.8MB. Free memory was 114.1MB in the beginning and 102.5MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:33:16,696 INFO L158 Benchmark]: Boogie Preprocessor took 106.74ms. Allocated memory is still 190.8MB. Free memory was 101.5MB in the beginning and 93.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:33:16,696 INFO L158 Benchmark]: RCFGBuilder took 3668.47ms. Allocated memory is still 190.8MB. Free memory was 93.1MB in the beginning and 52.4MB in the end (delta: 40.8MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2021-12-15 12:33:16,696 INFO L158 Benchmark]: TraceAbstraction took 406.20ms. Allocated memory was 190.8MB in the beginning and 266.3MB in the end (delta: 75.5MB). Free memory was 51.3MB in the beginning and 191.3MB in the end (delta: -140.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:33:16,698 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory was 45.1MB in the beginning and 45.1MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2155.09ms. Allocated memory was 62.9MB in the beginning and 190.8MB in the end (delta: 127.9MB). Free memory was 33.9MB in the beginning and 114.1MB in the end (delta: -80.2MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 172.41ms. Allocated memory is still 190.8MB. Free memory was 114.1MB in the beginning and 102.5MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 106.74ms. Allocated memory is still 190.8MB. Free memory was 101.5MB in the beginning and 93.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3668.47ms. Allocated memory is still 190.8MB. Free memory was 93.1MB in the beginning and 52.4MB in the end (delta: 40.8MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. * TraceAbstraction took 406.20ms. Allocated memory was 190.8MB in the beginning and 266.3MB in the end (delta: 75.5MB). Free memory was 51.3MB in the beginning and 191.3MB in the end (delta: -140.0MB). There was no memory consumed. 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 12:33:16,729 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