./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_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_priority_queue_s_remove_node_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 593ab2b77bb24fa6e2db092508c643eb5cf90f92cf099d146541e242675ce314 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:32:31,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:32:31,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:32:31,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:32:31,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:32:31,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:32:31,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:32:31,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:32:31,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:32:31,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:32:31,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:32:31,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:32:31,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:32:31,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:32:31,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:32:31,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:32:31,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:32:31,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:32:31,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:32:31,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:32:31,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:32:31,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:32:31,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:32:31,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:32:31,945 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:32:31,946 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:32:31,946 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:32:31,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:32:31,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:32:31,949 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:32:31,949 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:32:31,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:32:31,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:32:31,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:32:31,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:32:31,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:32:31,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:32:31,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:32:31,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:32:31,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:32:31,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:32:31,958 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:32:31,990 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:32:31,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:32:31,991 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:32:31,991 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:32:31,992 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:32:31,992 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:32:31,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:32:31,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:32:31,993 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:32:31,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:32:31,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:32:31,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:32:31,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:32:31,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:32:31,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:32:31,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:32:31,995 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:32:31,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:32:31,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:32:31,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:32:31,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:32:31,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:32:31,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:32:31,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:32:31,997 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:32:31,997 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:32:31,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:32:31,998 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:32:31,998 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:32:31,998 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:32:31,998 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:32:31,998 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 593ab2b77bb24fa6e2db092508c643eb5cf90f92cf099d146541e242675ce314 [2021-12-15 12:32:32,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:32:32,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:32:32,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:32:32,254 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:32:32,255 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:32:32,256 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i [2021-12-15 12:32:32,310 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6bf11b95/f5540a34da7f4063af80af40b90cdcfd/FLAG0cf680923 [2021-12-15 12:32:32,997 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:32:32,998 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i [2021-12-15 12:32:33,038 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6bf11b95/f5540a34da7f4063af80af40b90cdcfd/FLAG0cf680923 [2021-12-15 12:32:33,100 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6bf11b95/f5540a34da7f4063af80af40b90cdcfd [2021-12-15 12:32:33,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:32:33,105 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:32:33,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:32:33,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:32:33,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:32:33,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:32:33" (1/1) ... [2021-12-15 12:32:33,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@534d7d4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:33, skipping insertion in model container [2021-12-15 12:32:33,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:32:33" (1/1) ... [2021-12-15 12:32:33,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:32:33,218 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:32:33,470 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_priority_queue_s_remove_node_harness.i[4506,4519] [2021-12-15 12:32:33,479 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_priority_queue_s_remove_node_harness.i[4566,4579] [2021-12-15 12:32:34,304 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,305 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,306 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,306 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,307 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,318 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,320 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,322 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,324 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,325 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,326 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,326 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,327 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,579 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:32:34,583 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:32:34,586 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:32:34,587 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:32:34,589 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:32:34,590 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:32:34,599 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:32:34,600 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:32:34,601 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:32:34,602 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:32:34,728 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:32:34,802 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,824 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,893 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,894 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,894 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,895 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,895 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,895 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,896 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,896 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,896 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,897 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,897 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,897 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,898 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,900 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,901 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,901 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,902 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,904 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,904 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,909 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,910 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,910 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,920 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,923 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,924 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,924 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,925 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,926 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:32:34,953 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:32:34,962 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_priority_queue_s_remove_node_harness.i[4506,4519] [2021-12-15 12:32:34,963 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_priority_queue_s_remove_node_harness.i[4566,4579] [2021-12-15 12:32:35,005 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,011 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,011 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,012 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,012 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,018 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,018 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,020 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,020 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,021 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,022 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,022 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,022 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,054 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:32:35,059 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:32:35,060 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:32:35,061 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:32:35,062 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:32:35,063 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:32:35,063 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:32:35,063 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:32:35,064 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:32:35,064 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:32:35,088 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:32:35,108 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,111 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,145 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,146 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,171 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,172 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,172 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,172 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,172 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,173 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,173 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,173 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,173 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,173 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,174 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,174 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,174 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,175 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,175 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,176 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,177 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,183 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,184 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,184 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,194 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,195 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,196 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,197 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,198 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,200 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:35,201 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:32:35,394 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:32:35,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:35 WrapperNode [2021-12-15 12:32:35,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:32:35,396 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:32:35,397 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:32:35,397 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:32:35,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:35" (1/1) ... [2021-12-15 12:32:35,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:35" (1/1) ... [2021-12-15 12:32:35,580 INFO L137 Inliner]: procedures = 699, calls = 1955, calls flagged for inlining = 60, calls inlined = 9, statements flattened = 722 [2021-12-15 12:32:35,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:32:35,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:32:35,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:32:35,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:32:35,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:35" (1/1) ... [2021-12-15 12:32:35,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:35" (1/1) ... [2021-12-15 12:32:35,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:35" (1/1) ... [2021-12-15 12:32:35,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:35" (1/1) ... [2021-12-15 12:32:35,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:35" (1/1) ... [2021-12-15 12:32:35,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:35" (1/1) ... [2021-12-15 12:32:35,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:35" (1/1) ... [2021-12-15 12:32:35,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:32:35,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:32:35,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:32:35,715 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:32:35,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:35" (1/1) ... [2021-12-15 12:32:35,727 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:32:35,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:32:35,753 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:32:35,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:32:35,796 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2021-12-15 12:32:35,796 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2021-12-15 12:32:35,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:32:35,797 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-12-15 12:32:35,797 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-12-15 12:32:35,797 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-12-15 12:32:35,797 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-12-15 12:32:35,798 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-15 12:32:35,799 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-15 12:32:35,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 12:32:35,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:32:35,801 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-15 12:32:35,802 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-15 12:32:35,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:32:35,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:32:35,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:32:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:32:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:32:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:32:35,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:32:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:32:35,808 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:32:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-15 12:32:35,808 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-15 12:32:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:32:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-12-15 12:32:35,808 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-12-15 12:32:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2021-12-15 12:32:35,809 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2021-12-15 12:32:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2021-12-15 12:32:35,809 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2021-12-15 12:32:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:32:35,809 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:32:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2021-12-15 12:32:35,809 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2021-12-15 12:32:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:32:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:32:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:32:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-15 12:32:35,810 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-15 12:32:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-15 12:32:35,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-15 12:32:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_using_uint64_impl [2021-12-15 12:32:35,811 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_using_uint64_impl [2021-12-15 12:32:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:32:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-12-15 12:32:35,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-12-15 12:32:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:32:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2021-12-15 12:32:35,811 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2021-12-15 12:32:36,149 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:32:36,151 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:32:37,534 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:32:37,541 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:32:37,542 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 12:32:37,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:32:37 BoogieIcfgContainer [2021-12-15 12:32:37,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:32:37,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:32:37,546 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:32:37,549 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:32:37,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:32:33" (1/3) ... [2021-12-15 12:32:37,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@465d1ecf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:32:37, skipping insertion in model container [2021-12-15 12:32:37,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:35" (2/3) ... [2021-12-15 12:32:37,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@465d1ecf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:32:37, skipping insertion in model container [2021-12-15 12:32:37,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:32:37" (3/3) ... [2021-12-15 12:32:37,552 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_remove_node_harness.i [2021-12-15 12:32:37,556 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:32:37,557 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:32:37,594 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:32:37,600 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 12:32:37,600 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:32:37,620 INFO L276 IsEmpty]: Start isEmpty. Operand has 230 states, 152 states have (on average 1.2894736842105263) internal successors, (196), 153 states have internal predecessors, (196), 58 states have call successors, (58), 18 states have call predecessors, (58), 18 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2021-12-15 12:32:37,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-12-15 12:32:37,630 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:32:37,631 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:32:37,631 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:32:37,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:32:37,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1463300359, now seen corresponding path program 1 times [2021-12-15 12:32:37,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:32:37,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854333580] [2021-12-15 12:32:37,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:32:37,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:32:37,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:32:37,735 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 12:32:37,741 INFO L158 Benchmark]: Toolchain (without parser) took 4634.56ms. Allocated memory was 94.4MB in the beginning and 163.6MB in the end (delta: 69.2MB). Free memory was 55.7MB in the beginning and 58.2MB in the end (delta: -2.4MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. [2021-12-15 12:32:37,741 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 94.4MB. Free memory was 50.5MB in the beginning and 50.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:32:37,742 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2287.44ms. Allocated memory was 94.4MB in the beginning and 163.6MB in the end (delta: 69.2MB). Free memory was 55.5MB in the beginning and 79.5MB in the end (delta: -24.0MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2021-12-15 12:32:37,742 INFO L158 Benchmark]: Boogie Procedure Inliner took 184.11ms. Allocated memory is still 163.6MB. Free memory was 79.5MB in the beginning and 112.5MB in the end (delta: -32.9MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2021-12-15 12:32:37,743 INFO L158 Benchmark]: Boogie Preprocessor took 132.76ms. Allocated memory is still 163.6MB. Free memory was 112.5MB in the beginning and 105.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:32:37,743 INFO L158 Benchmark]: RCFGBuilder took 1829.58ms. Allocated memory is still 163.6MB. Free memory was 105.1MB in the beginning and 72.9MB in the end (delta: 32.3MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. [2021-12-15 12:32:37,744 INFO L158 Benchmark]: TraceAbstraction took 193.62ms. Allocated memory is still 163.6MB. Free memory was 72.9MB in the beginning and 58.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:32:37,746 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 94.4MB. Free memory was 50.5MB in the beginning and 50.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2287.44ms. Allocated memory was 94.4MB in the beginning and 163.6MB in the end (delta: 69.2MB). Free memory was 55.5MB in the beginning and 79.5MB in the end (delta: -24.0MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 184.11ms. Allocated memory is still 163.6MB. Free memory was 79.5MB in the beginning and 112.5MB in the end (delta: -32.9MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 132.76ms. Allocated memory is still 163.6MB. Free memory was 112.5MB in the beginning and 105.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1829.58ms. Allocated memory is still 163.6MB. Free memory was 105.1MB in the beginning and 72.9MB in the end (delta: 32.3MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. * TraceAbstraction took 193.62ms. Allocated memory is still 163.6MB. Free memory was 72.9MB in the beginning and 58.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:32:37,785 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_priority_queue_s_remove_node_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 593ab2b77bb24fa6e2db092508c643eb5cf90f92cf099d146541e242675ce314 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:32:39,758 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:32:39,762 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:32:39,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:32:39,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:32:39,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:32:39,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:32:39,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:32:39,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:32:39,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:32:39,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:32:39,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:32:39,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:32:39,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:32:39,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:32:39,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:32:39,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:32:39,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:32:39,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:32:39,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:32:39,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:32:39,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:32:39,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:32:39,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:32:39,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:32:39,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:32:39,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:32:39,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:32:39,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:32:39,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:32:39,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:32:39,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:32:39,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:32:39,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:32:39,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:32:39,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:32:39,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:32:39,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:32:39,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:32:39,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:32:39,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:32:39,852 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:32:39,887 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:32:39,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:32:39,889 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:32:39,889 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:32:39,890 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:32:39,890 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:32:39,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:32:39,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:32:39,892 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:32:39,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:32:39,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:32:39,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:32:39,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:32:39,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:32:39,894 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:32:39,894 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:32:39,894 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:32:39,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:32:39,894 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:32:39,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:32:39,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:32:39,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:32:39,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:32:39,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:32:39,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:32:39,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:32:39,904 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:32:39,905 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:32:39,905 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:32:39,905 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:32:39,905 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:32:39,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:32:39,906 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:32:39,906 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:32:39,906 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 593ab2b77bb24fa6e2db092508c643eb5cf90f92cf099d146541e242675ce314 [2021-12-15 12:32:40,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:32:40,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:32:40,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:32:40,235 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:32:40,235 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:32:40,236 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i [2021-12-15 12:32:40,301 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21703972f/ba8d342e2cd54bd1b4b50b2b307455ae/FLAG185b64b4c [2021-12-15 12:32:40,997 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:32:40,997 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i [2021-12-15 12:32:41,035 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21703972f/ba8d342e2cd54bd1b4b50b2b307455ae/FLAG185b64b4c [2021-12-15 12:32:41,112 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21703972f/ba8d342e2cd54bd1b4b50b2b307455ae [2021-12-15 12:32:41,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:32:41,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:32:41,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:32:41,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:32:41,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:32:41,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:32:41" (1/1) ... [2021-12-15 12:32:41,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7396e388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:41, skipping insertion in model container [2021-12-15 12:32:41,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:32:41" (1/1) ... [2021-12-15 12:32:41,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:32:41,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:32:41,516 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_priority_queue_s_remove_node_harness.i[4506,4519] [2021-12-15 12:32:41,524 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_priority_queue_s_remove_node_harness.i[4566,4579] [2021-12-15 12:32:42,392 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:42,393 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:42,394 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:42,395 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:42,396 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:42,417 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:42,418 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:42,420 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:42,421 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:42,424 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:42,425 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:42,426 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:42,427 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:42,751 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:32:42,752 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:32:42,754 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:32:42,755 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:32:42,756 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:32:42,758 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:32:42,762 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:32:42,763 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:32:42,763 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:32:42,765 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:32:42,881 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:32:42,916 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:42,927 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:42,993 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:42,994 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:42,994 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:42,994 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:42,995 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:42,995 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:42,995 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:42,996 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:42,996 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:42,996 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:42,997 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:42,997 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:42,997 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,001 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,001 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,002 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,002 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,005 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,005 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,026 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,027 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,028 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,039 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,043 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,044 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,044 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,044 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,045 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:32:43,079 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:32:43,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:32:43,121 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_priority_queue_s_remove_node_harness.i[4506,4519] [2021-12-15 12:32:43,130 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_priority_queue_s_remove_node_harness.i[4566,4579] [2021-12-15 12:32:43,162 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,163 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,163 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,164 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,164 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,169 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,172 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,173 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,173 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,174 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,175 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,175 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,176 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,214 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:32:43,215 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:32:43,215 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:32:43,216 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:32:43,216 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:32:43,217 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:32:43,217 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:32:43,218 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:32:43,218 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:32:43,218 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:32:43,235 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:32:43,248 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,254 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,304 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,306 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,307 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,307 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,307 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,308 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,308 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,309 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,310 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,310 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,311 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,311 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,312 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,313 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,313 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,313 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,313 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,316 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,316 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,323 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,328 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,329 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,333 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,334 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,335 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,336 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,336 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,337 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:32:43,360 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:32:43,379 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_priority_queue_s_remove_node_harness.i[4506,4519] [2021-12-15 12:32:43,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i[4566,4579] [2021-12-15 12:32:43,404 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,405 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,405 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,405 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,406 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,412 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,412 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,413 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,414 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,414 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,415 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,415 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,415 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,468 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:32:43,471 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:32:43,472 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:32:43,472 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:32:43,473 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:32:43,473 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:32:43,473 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:32:43,474 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:32:43,474 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:32:43,475 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:32:43,498 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:32:43,513 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,516 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,531 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,532 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,532 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,533 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,533 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,536 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,536 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,541 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,541 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,542 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,542 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,543 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,543 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,544 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,549 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,549 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,549 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,551 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,551 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,558 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,559 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,559 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,563 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,564 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,564 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,565 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,565 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,578 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:43,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:32:43,891 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:32:43,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:43 WrapperNode [2021-12-15 12:32:43,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:32:43,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:32:43,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:32:43,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:32:43,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:43" (1/1) ... [2021-12-15 12:32:44,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:43" (1/1) ... [2021-12-15 12:32:44,069 INFO L137 Inliner]: procedures = 719, calls = 1955, calls flagged for inlining = 60, calls inlined = 9, statements flattened = 719 [2021-12-15 12:32:44,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:32:44,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:32:44,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:32:44,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:32:44,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:43" (1/1) ... [2021-12-15 12:32:44,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:43" (1/1) ... [2021-12-15 12:32:44,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:43" (1/1) ... [2021-12-15 12:32:44,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:43" (1/1) ... [2021-12-15 12:32:44,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:43" (1/1) ... [2021-12-15 12:32:44,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:43" (1/1) ... [2021-12-15 12:32:44,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:43" (1/1) ... [2021-12-15 12:32:44,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:32:44,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:32:44,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:32:44,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:32:44,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:43" (1/1) ... [2021-12-15 12:32:44,198 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:32:44,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:32:44,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:32:44,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:32:44,278 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2021-12-15 12:32:44,278 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2021-12-15 12:32:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:32:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-12-15 12:32:44,279 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-12-15 12:32:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-12-15 12:32:44,279 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-12-15 12:32:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-15 12:32:44,279 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-15 12:32:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:32:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:32:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 12:32:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-15 12:32:44,280 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-15 12:32:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:32:44,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:32:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:32:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:32:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:32:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:32:44,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:32:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:32:44,282 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:32:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:32:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:32:44,283 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-15 12:32:44,283 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-15 12:32:44,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:32:44,283 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-12-15 12:32:44,283 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-12-15 12:32:44,283 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2021-12-15 12:32:44,283 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2021-12-15 12:32:44,283 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2021-12-15 12:32:44,284 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2021-12-15 12:32:44,284 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:32:44,284 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:32:44,284 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2021-12-15 12:32:44,284 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2021-12-15 12:32:44,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:32:44,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:32:44,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:32:44,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:32:44,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:32:44,285 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-15 12:32:44,285 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-15 12:32:44,285 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-15 12:32:44,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-15 12:32:44,285 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_using_uint64_impl [2021-12-15 12:32:44,285 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_using_uint64_impl [2021-12-15 12:32:44,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 12:32:44,286 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-12-15 12:32:44,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-12-15 12:32:44,286 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2021-12-15 12:32:44,286 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2021-12-15 12:32:44,638 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:32:44,639 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:32:48,822 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:32:48,829 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:32:48,829 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 12:32:48,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:32:48 BoogieIcfgContainer [2021-12-15 12:32:48,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:32:48,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:32:48,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:32:48,836 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:32:48,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:32:41" (1/3) ... [2021-12-15 12:32:48,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64da238b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:32:48, skipping insertion in model container [2021-12-15 12:32:48,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:43" (2/3) ... [2021-12-15 12:32:48,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64da238b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:32:48, skipping insertion in model container [2021-12-15 12:32:48,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:32:48" (3/3) ... [2021-12-15 12:32:48,838 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_remove_node_harness.i [2021-12-15 12:32:48,843 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:32:48,843 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:32:48,893 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:32:48,901 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 12:32:48,901 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:32:48,924 INFO L276 IsEmpty]: Start isEmpty. Operand has 229 states, 151 states have (on average 1.2913907284768211) internal successors, (195), 152 states have internal predecessors, (195), 58 states have call successors, (58), 18 states have call predecessors, (58), 18 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2021-12-15 12:32:48,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-12-15 12:32:48,939 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:32:48,939 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:32:48,940 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:32:48,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:32:48,945 INFO L85 PathProgramCache]: Analyzing trace with hash -946559759, now seen corresponding path program 1 times [2021-12-15 12:32:48,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:32:48,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1363789911] [2021-12-15 12:32:48,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:32:48,966 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:32:48,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:32:48,968 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 12:32:48,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 12:32:49,099 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 12:32:49,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 12:32:49,296 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:32:49,300 INFO L158 Benchmark]: Toolchain (without parser) took 8180.82ms. Allocated memory was 54.5MB in the beginning and 163.6MB in the end (delta: 109.1MB). Free memory was 34.4MB in the beginning and 64.9MB in the end (delta: -30.5MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB. [2021-12-15 12:32:49,300 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 54.5MB. Free memory was 36.6MB in the beginning and 36.5MB in the end (delta: 38.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:32:49,301 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2771.85ms. Allocated memory was 54.5MB in the beginning and 136.3MB in the end (delta: 81.8MB). Free memory was 34.3MB in the beginning and 76.5MB in the end (delta: -42.2MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. [2021-12-15 12:32:49,301 INFO L158 Benchmark]: Boogie Procedure Inliner took 177.46ms. Allocated memory is still 136.3MB. Free memory was 76.5MB in the beginning and 66.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:32:49,301 INFO L158 Benchmark]: Boogie Preprocessor took 119.04ms. Allocated memory is still 136.3MB. Free memory was 66.0MB in the beginning and 56.9MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:32:49,301 INFO L158 Benchmark]: RCFGBuilder took 4640.97ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 56.9MB in the beginning and 82.0MB in the end (delta: -25.2MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2021-12-15 12:32:49,302 INFO L158 Benchmark]: TraceAbstraction took 464.51ms. Allocated memory is still 163.6MB. Free memory was 81.0MB in the beginning and 64.9MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 12:32:49,304 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 54.5MB. Free memory was 36.6MB in the beginning and 36.5MB in the end (delta: 38.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2771.85ms. Allocated memory was 54.5MB in the beginning and 136.3MB in the end (delta: 81.8MB). Free memory was 34.3MB in the beginning and 76.5MB in the end (delta: -42.2MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 177.46ms. Allocated memory is still 136.3MB. Free memory was 76.5MB in the beginning and 66.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 119.04ms. Allocated memory is still 136.3MB. Free memory was 66.0MB in the beginning and 56.9MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4640.97ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 56.9MB in the beginning and 82.0MB in the end (delta: -25.2MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * TraceAbstraction took 464.51ms. Allocated memory is still 163.6MB. Free memory was 81.0MB in the beginning and 64.9MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:32:49,350 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable