./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_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 877e83a63a602219ce02028b5212cf6c29aa8f33a031ee39d52c3c671213dc91 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:30:19,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:30:19,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:30:19,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:30:19,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:30:19,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:30:19,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:30:19,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:30:19,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:30:19,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:30:19,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:30:19,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:30:19,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:30:19,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:30:19,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:30:19,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:30:19,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:30:19,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:30:19,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:30:19,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:30:19,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:30:19,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:30:19,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:30:19,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:30:19,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:30:19,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:30:19,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:30:19,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:30:19,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:30:19,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:30:19,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:30:19,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:30:19,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:30:19,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:30:19,115 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:30:19,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:30:19,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:30:19,116 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:30:19,116 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:30:19,117 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:30:19,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:30:19,119 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:30:19,142 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:30:19,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:30:19,146 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:30:19,146 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:30:19,147 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:30:19,147 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:30:19,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:30:19,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:30:19,148 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:30:19,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:30:19,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:30:19,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:30:19,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:30:19,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:30:19,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:30:19,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:30:19,150 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:30:19,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:30:19,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:30:19,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:30:19,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:30:19,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:30:19,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:30:19,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:30:19,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:30:19,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:30:19,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:30:19,151 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:30:19,151 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:30:19,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:30:19,152 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:30:19,152 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 877e83a63a602219ce02028b5212cf6c29aa8f33a031ee39d52c3c671213dc91 [2021-12-15 12:30:19,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:30:19,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:30:19,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:30:19,358 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:30:19,358 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:30:19,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i [2021-12-15 12:30:19,421 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83d0b08a8/98c5267fd8f349aca8c07f039236eabf/FLAG035b171f7 [2021-12-15 12:30:19,969 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:30:19,970 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i [2021-12-15 12:30:19,995 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83d0b08a8/98c5267fd8f349aca8c07f039236eabf/FLAG035b171f7 [2021-12-15 12:30:20,429 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83d0b08a8/98c5267fd8f349aca8c07f039236eabf [2021-12-15 12:30:20,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:30:20,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:30:20,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:30:20,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:30:20,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:30:20,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:30:20" (1/1) ... [2021-12-15 12:30:20,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54550990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:20, skipping insertion in model container [2021-12-15 12:30:20,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:30:20" (1/1) ... [2021-12-15 12:30:20,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:30:20,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:30:20,743 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4502,4515] [2021-12-15 12:30:20,749 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4562,4575] [2021-12-15 12:30:21,184 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:30:21,229 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:21,230 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:21,230 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:21,231 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:21,232 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:21,246 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:21,247 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:21,248 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:21,248 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:21,250 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:21,251 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:21,251 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:21,252 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:21,433 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:30:21,434 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:30:21,434 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:30:21,435 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:30:21,436 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:30:21,436 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:30:21,437 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:30:21,437 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:30:21,437 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:30:21,438 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:30:21,511 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:21,526 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:21,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:30:21,620 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:30:21,638 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4502,4515] [2021-12-15 12:30:21,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4562,4575] [2021-12-15 12:30:21,681 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:30:21,694 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:21,696 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:21,696 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:21,697 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:21,697 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:21,700 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:21,701 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:21,701 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:21,702 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:21,702 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:21,703 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:21,703 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:21,703 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:21,722 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:30:21,723 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:30:21,723 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:30:21,724 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:30:21,724 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:30:21,725 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:30:21,725 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:30:21,725 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:30:21,726 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:30:21,726 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:30:21,743 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:21,746 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:21,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:30:21,924 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:30:21,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:21 WrapperNode [2021-12-15 12:30:21,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:30:21,926 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:30:21,926 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:30:21,926 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:30:21,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:21" (1/1) ... [2021-12-15 12:30:22,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:21" (1/1) ... [2021-12-15 12:30:22,084 INFO L137 Inliner]: procedures = 690, calls = 1715, calls flagged for inlining = 51, calls inlined = 7, statements flattened = 681 [2021-12-15 12:30:22,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:30:22,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:30:22,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:30:22,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:30:22,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:21" (1/1) ... [2021-12-15 12:30:22,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:21" (1/1) ... [2021-12-15 12:30:22,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:21" (1/1) ... [2021-12-15 12:30:22,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:21" (1/1) ... [2021-12-15 12:30:22,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:21" (1/1) ... [2021-12-15 12:30:22,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:21" (1/1) ... [2021-12-15 12:30:22,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:21" (1/1) ... [2021-12-15 12:30:22,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:30:22,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:30:22,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:30:22,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:30:22,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:21" (1/1) ... [2021-12-15 12:30:22,179 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:30:22,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:30:22,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:30:22,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:30:22,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:30:22,234 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-12-15 12:30:22,235 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-12-15 12:30:22,235 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-12-15 12:30:22,236 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-12-15 12:30:22,236 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-15 12:30:22,236 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-15 12:30:22,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:30:22,236 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-15 12:30:22,237 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-15 12:30:22,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:30:22,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:30:22,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:30:22,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:30:22,237 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2021-12-15 12:30:22,237 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2021-12-15 12:30:22,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:30:22,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:30:22,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:30:22,238 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:30:22,238 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:30:22,238 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-12-15 12:30:22,238 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-12-15 12:30:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-15 12:30:22,239 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-15 12:30:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:30:22,239 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:30:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:30:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:30:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:30:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-15 12:30:22,240 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-15 12:30:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-15 12:30:22,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-15 12:30:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:30:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2021-12-15 12:30:22,241 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2021-12-15 12:30:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-12-15 12:30:22,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-12-15 12:30:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:30:22,495 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:30:22,497 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:30:23,314 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:30:23,319 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:30:23,320 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:30:23,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:30:23 BoogieIcfgContainer [2021-12-15 12:30:23,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:30:23,323 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:30:23,323 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:30:23,325 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:30:23,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:30:20" (1/3) ... [2021-12-15 12:30:23,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac0ecd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:30:23, skipping insertion in model container [2021-12-15 12:30:23,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:21" (2/3) ... [2021-12-15 12:30:23,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac0ecd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:30:23, skipping insertion in model container [2021-12-15 12:30:23,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:30:23" (3/3) ... [2021-12-15 12:30:23,328 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_swap_contents_harness.i [2021-12-15 12:30:23,332 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:30:23,332 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:30:23,376 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:30:23,388 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 12:30:23,388 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:30:23,408 INFO L276 IsEmpty]: Start isEmpty. Operand has 160 states, 92 states have (on average 1.1630434782608696) internal successors, (107), 93 states have internal predecessors, (107), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2021-12-15 12:30:23,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-12-15 12:30:23,425 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:30:23,426 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:30:23,428 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:30:23,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:30:23,432 INFO L85 PathProgramCache]: Analyzing trace with hash -853348587, now seen corresponding path program 1 times [2021-12-15 12:30:23,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:30:23,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973260889] [2021-12-15 12:30:23,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:30:23,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:30:23,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:30:23,529 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:30:23,540 INFO L158 Benchmark]: Toolchain (without parser) took 3106.69ms. Allocated memory was 90.2MB in the beginning and 151.0MB in the end (delta: 60.8MB). Free memory was 50.6MB in the beginning and 73.2MB in the end (delta: -22.5MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2021-12-15 12:30:23,541 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 90.2MB. Free memory was 47.5MB in the beginning and 47.4MB in the end (delta: 75.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:30:23,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1484.33ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 92.5MB in the beginning and 84.5MB in the end (delta: 8.0MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. [2021-12-15 12:30:23,543 INFO L158 Benchmark]: Boogie Procedure Inliner took 159.01ms. Allocated memory is still 151.0MB. Free memory was 84.5MB in the beginning and 75.4MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:30:23,544 INFO L158 Benchmark]: Boogie Preprocessor took 84.08ms. Allocated memory is still 151.0MB. Free memory was 75.4MB in the beginning and 69.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 12:30:23,545 INFO L158 Benchmark]: RCFGBuilder took 1151.45ms. Allocated memory is still 151.0MB. Free memory was 69.1MB in the beginning and 86.8MB in the end (delta: -17.7MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2021-12-15 12:30:23,546 INFO L158 Benchmark]: TraceAbstraction took 214.99ms. Allocated memory is still 151.0MB. Free memory was 86.8MB in the beginning and 73.2MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:30:23,549 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 90.2MB. Free memory was 47.5MB in the beginning and 47.4MB in the end (delta: 75.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1484.33ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 92.5MB in the beginning and 84.5MB in the end (delta: 8.0MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 159.01ms. Allocated memory is still 151.0MB. Free memory was 84.5MB in the beginning and 75.4MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.08ms. Allocated memory is still 151.0MB. Free memory was 75.4MB in the beginning and 69.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1151.45ms. Allocated memory is still 151.0MB. Free memory was 69.1MB in the beginning and 86.8MB in the end (delta: -17.7MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * TraceAbstraction took 214.99ms. Allocated memory is still 151.0MB. Free memory was 86.8MB in the beginning and 73.2MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:30:23,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_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 877e83a63a602219ce02028b5212cf6c29aa8f33a031ee39d52c3c671213dc91 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:30:25,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:30:25,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:30:25,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:30:25,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:30:25,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:30:25,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:30:25,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:30:25,293 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:30:25,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:30:25,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:30:25,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:30:25,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:30:25,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:30:25,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:30:25,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:30:25,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:30:25,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:30:25,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:30:25,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:30:25,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:30:25,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:30:25,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:30:25,318 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:30:25,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:30:25,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:30:25,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:30:25,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:30:25,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:30:25,325 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:30:25,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:30:25,326 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:30:25,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:30:25,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:30:25,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:30:25,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:30:25,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:30:25,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:30:25,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:30:25,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:30:25,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:30:25,335 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:30:25,357 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:30:25,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:30:25,358 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:30:25,358 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:30:25,359 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:30:25,359 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:30:25,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:30:25,364 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:30:25,364 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:30:25,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:30:25,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:30:25,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:30:25,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:30:25,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:30:25,365 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:30:25,365 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:30:25,365 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:30:25,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:30:25,366 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:30:25,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:30:25,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:30:25,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:30:25,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:30:25,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:30:25,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:30:25,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:30:25,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:30:25,373 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:30:25,374 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:30:25,374 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:30:25,374 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:30:25,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:30:25,374 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:30:25,374 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:30:25,375 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 877e83a63a602219ce02028b5212cf6c29aa8f33a031ee39d52c3c671213dc91 [2021-12-15 12:30:25,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:30:25,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:30:25,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:30:25,652 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:30:25,652 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:30:25,654 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i [2021-12-15 12:30:25,700 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0ca567fc/3399f51d62a64e9586d3074a9ca0e9d4/FLAG7ad5628d7 [2021-12-15 12:30:26,245 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:30:26,245 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i [2021-12-15 12:30:26,272 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0ca567fc/3399f51d62a64e9586d3074a9ca0e9d4/FLAG7ad5628d7 [2021-12-15 12:30:26,457 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0ca567fc/3399f51d62a64e9586d3074a9ca0e9d4 [2021-12-15 12:30:26,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:30:26,460 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:30:26,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:30:26,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:30:26,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:30:26,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:30:26" (1/1) ... [2021-12-15 12:30:26,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df6e065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:26, skipping insertion in model container [2021-12-15 12:30:26,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:30:26" (1/1) ... [2021-12-15 12:30:26,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:30:26,542 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:30:26,703 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4502,4515] [2021-12-15 12:30:26,707 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4562,4575] [2021-12-15 12:30:27,135 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:30:27,183 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,184 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,184 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,184 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,185 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,200 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,201 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,202 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,202 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,203 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,204 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,204 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,205 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,416 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:30:27,417 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:30:27,418 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:30:27,418 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:30:27,419 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:30:27,428 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:30:27,428 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:30:27,429 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:30:27,430 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:30:27,430 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:30:27,504 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,509 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,551 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:30:27,571 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:30:27,597 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:30:27,605 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4502,4515] [2021-12-15 12:30:27,606 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4562,4575] [2021-12-15 12:30:27,648 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:30:27,671 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,671 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,672 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,672 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,673 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,683 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,683 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,685 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,685 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,686 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,686 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,687 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,687 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,719 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:30:27,719 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:30:27,720 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:30:27,720 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:30:27,721 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:30:27,721 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:30:27,722 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:30:27,722 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:30:27,722 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:30:27,722 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:30:27,762 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,765 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,790 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:30:27,802 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:30:27,809 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4502,4515] [2021-12-15 12:30:27,810 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4562,4575] [2021-12-15 12:30:27,849 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:30:27,866 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,867 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,867 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,867 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,868 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,871 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,871 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,872 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,872 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,872 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,873 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,873 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,874 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,897 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:30:27,897 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:30:27,898 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:30:27,898 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:30:27,898 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:30:27,899 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:30:27,899 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:30:27,900 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:30:27,900 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:30:27,901 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:30:27,924 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,928 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:27,976 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:30:28,192 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:30:28,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:28 WrapperNode [2021-12-15 12:30:28,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:30:28,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:30:28,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:30:28,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:30:28,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:28" (1/1) ... [2021-12-15 12:30:28,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:28" (1/1) ... [2021-12-15 12:30:28,312 INFO L137 Inliner]: procedures = 710, calls = 1715, calls flagged for inlining = 51, calls inlined = 7, statements flattened = 680 [2021-12-15 12:30:28,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:30:28,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:30:28,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:30:28,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:30:28,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:28" (1/1) ... [2021-12-15 12:30:28,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:28" (1/1) ... [2021-12-15 12:30:28,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:28" (1/1) ... [2021-12-15 12:30:28,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:28" (1/1) ... [2021-12-15 12:30:28,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:28" (1/1) ... [2021-12-15 12:30:28,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:28" (1/1) ... [2021-12-15 12:30:28,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:28" (1/1) ... [2021-12-15 12:30:28,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:30:28,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:30:28,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:30:28,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:30:28,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:28" (1/1) ... [2021-12-15 12:30:28,433 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:30:28,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:30:28,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:30:28,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:30:28,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:30:28,496 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-12-15 12:30:28,497 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-12-15 12:30:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-12-15 12:30:28,497 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-12-15 12:30:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-15 12:30:28,497 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-15 12:30:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:30:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:30:28,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 12:30:28,498 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-15 12:30:28,498 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-15 12:30:28,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:30:28,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:30:28,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:30:28,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:30:28,498 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2021-12-15 12:30:28,499 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2021-12-15 12:30:28,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:30:28,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:30:28,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:30:28,499 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:30:28,499 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:30:28,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:30:28,500 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-12-15 12:30:28,500 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-12-15 12:30:28,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:30:28,500 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-15 12:30:28,500 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-15 12:30:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:30:28,501 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:30:28,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:30:28,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:30:28,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:30:28,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:30:28,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:30:28,504 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-15 12:30:28,504 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-15 12:30:28,504 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-15 12:30:28,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-15 12:30:28,509 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2021-12-15 12:30:28,509 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2021-12-15 12:30:28,509 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-12-15 12:30:28,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-12-15 12:30:28,787 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:30:28,788 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:30:32,054 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:30:32,064 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:30:32,064 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:30:32,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:30:32 BoogieIcfgContainer [2021-12-15 12:30:32,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:30:32,068 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:30:32,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:30:32,071 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:30:32,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:30:26" (1/3) ... [2021-12-15 12:30:32,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@551cd0f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:30:32, skipping insertion in model container [2021-12-15 12:30:32,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:28" (2/3) ... [2021-12-15 12:30:32,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@551cd0f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:30:32, skipping insertion in model container [2021-12-15 12:30:32,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:30:32" (3/3) ... [2021-12-15 12:30:32,076 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_swap_contents_harness.i [2021-12-15 12:30:32,079 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:30:32,079 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:30:32,122 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:30:32,129 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 12:30:32,130 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:30:32,144 INFO L276 IsEmpty]: Start isEmpty. Operand has 160 states, 92 states have (on average 1.1630434782608696) internal successors, (107), 93 states have internal predecessors, (107), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2021-12-15 12:30:32,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-12-15 12:30:32,161 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:30:32,162 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:30:32,162 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:30:32,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:30:32,166 INFO L85 PathProgramCache]: Analyzing trace with hash -853348587, now seen corresponding path program 1 times [2021-12-15 12:30:32,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:30:32,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1834821649] [2021-12-15 12:30:32,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:30:32,178 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:30:32,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:30:32,180 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 12:30:32,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 12:30:32,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 12:30:32,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 12:30:32,476 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:30:32,480 INFO L158 Benchmark]: Toolchain (without parser) took 6019.49ms. Allocated memory was 54.5MB in the beginning and 144.7MB in the end (delta: 90.2MB). Free memory was 35.5MB in the beginning and 85.8MB in the end (delta: -50.3MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2021-12-15 12:30:32,481 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 54.5MB. Free memory was 36.7MB in the beginning and 36.7MB in the end (delta: 37.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:30:32,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1731.02ms. Allocated memory was 54.5MB in the beginning and 107.0MB in the end (delta: 52.4MB). Free memory was 35.2MB in the beginning and 51.4MB in the end (delta: -16.2MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2021-12-15 12:30:32,482 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.16ms. Allocated memory is still 107.0MB. Free memory was 51.4MB in the beginning and 42.2MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:30:32,482 INFO L158 Benchmark]: Boogie Preprocessor took 110.93ms. Allocated memory is still 107.0MB. Free memory was 42.2MB in the beginning and 34.6MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 12:30:32,482 INFO L158 Benchmark]: RCFGBuilder took 3640.92ms. Allocated memory was 107.0MB in the beginning and 144.7MB in the end (delta: 37.7MB). Free memory was 34.6MB in the beginning and 102.9MB in the end (delta: -68.3MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2021-12-15 12:30:32,483 INFO L158 Benchmark]: TraceAbstraction took 410.79ms. Allocated memory is still 144.7MB. Free memory was 101.9MB in the beginning and 85.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 12:30:32,484 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 54.5MB. Free memory was 36.7MB in the beginning and 36.7MB in the end (delta: 37.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1731.02ms. Allocated memory was 54.5MB in the beginning and 107.0MB in the end (delta: 52.4MB). Free memory was 35.2MB in the beginning and 51.4MB in the end (delta: -16.2MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.16ms. Allocated memory is still 107.0MB. Free memory was 51.4MB in the beginning and 42.2MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 110.93ms. Allocated memory is still 107.0MB. Free memory was 42.2MB in the beginning and 34.6MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3640.92ms. Allocated memory was 107.0MB in the beginning and 144.7MB in the end (delta: 37.7MB). Free memory was 34.6MB in the beginning and 102.9MB in the end (delta: -68.3MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * TraceAbstraction took 410.79ms. Allocated memory is still 144.7MB. Free memory was 101.9MB in the beginning and 85.8MB 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 12:30:32,523 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