./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_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 0f893dc40cf70b8d30dda6e110329e0bc2218e18bc668acf080889b069fe51ab --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:31:35,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:31:35,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:31:35,284 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:31:35,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:31:35,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:31:35,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:31:35,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:31:35,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:31:35,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:31:35,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:31:35,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:31:35,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:31:35,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:31:35,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:31:35,313 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:31:35,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:31:35,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:31:35,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:31:35,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:31:35,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:31:35,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:31:35,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:31:35,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:31:35,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:31:35,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:31:35,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:31:35,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:31:35,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:31:35,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:31:35,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:31:35,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:31:35,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:31:35,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:31:35,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:31:35,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:31:35,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:31:35,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:31:35,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:31:35,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:31:35,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:31:35,339 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:31:35,358 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:31:35,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:31:35,362 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:31:35,362 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:31:35,363 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:31:35,363 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:31:35,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:31:35,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:31:35,363 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:31:35,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:31:35,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:31:35,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:31:35,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:31:35,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:31:35,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:31:35,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:31:35,365 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:31:35,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:31:35,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:31:35,365 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:31:35,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:31:35,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:35,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:31:35,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:31:35,366 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:31:35,366 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:31:35,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:31:35,367 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:31:35,367 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:31:35,367 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:31:35,367 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:31:35,367 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f893dc40cf70b8d30dda6e110329e0bc2218e18bc668acf080889b069fe51ab [2021-12-15 12:31:35,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:31:35,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:31:35,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:31:35,668 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:31:35,669 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:31:35,670 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness.i [2021-12-15 12:31:35,728 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a0604f3c/5120ad99f1204aad841a384dff0c2d49/FLAG7470b82d5 [2021-12-15 12:31:36,414 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:31:36,415 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness.i [2021-12-15 12:31:36,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a0604f3c/5120ad99f1204aad841a384dff0c2d49/FLAG7470b82d5 [2021-12-15 12:31:36,552 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a0604f3c/5120ad99f1204aad841a384dff0c2d49 [2021-12-15 12:31:36,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:31:36,555 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:31:36,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:36,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:31:36,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:31:36,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:36" (1/1) ... [2021-12-15 12:31:36,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec0811d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:36, skipping insertion in model container [2021-12-15 12:31:36,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:36" (1/1) ... [2021-12-15 12:31:36,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:31:36,676 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:31:37,001 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness.i[4493,4506] [2021-12-15 12:31:37,008 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness.i[4553,4566] [2021-12-15 12:31:37,620 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,623 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,623 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,624 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,625 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,643 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,644 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,646 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,646 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,647 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,648 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,648 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,648 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,901 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:37,902 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:37,903 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:37,903 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:37,920 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:37,921 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:37,921 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:37,921 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:37,922 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:37,922 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:38,106 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:38,357 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,357 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,385 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,396 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,402 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,403 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,421 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,421 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,422 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,423 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,423 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,423 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,424 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,461 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:38,497 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:31:38,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness.i[4493,4506] [2021-12-15 12:31:38,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness.i[4553,4566] [2021-12-15 12:31:38,552 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,552 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,552 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,553 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,553 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,559 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,560 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,562 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,562 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,563 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,564 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,564 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,565 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,591 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:38,592 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:38,592 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:38,593 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:38,594 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:38,594 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:38,596 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:38,596 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:38,596 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:38,597 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:38,619 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:38,730 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,731 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,735 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,735 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,737 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,737 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,747 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,748 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,748 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,748 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,749 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,750 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,750 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:38,957 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:31:38,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:38 WrapperNode [2021-12-15 12:31:38,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:38,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:38,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:31:38,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:31:38,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:38" (1/1) ... [2021-12-15 12:31:39,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:38" (1/1) ... [2021-12-15 12:31:39,111 INFO L137 Inliner]: procedures = 774, calls = 2446, calls flagged for inlining = 67, calls inlined = 11, statements flattened = 624 [2021-12-15 12:31:39,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:39,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:31:39,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:31:39,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:31:39,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:38" (1/1) ... [2021-12-15 12:31:39,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:38" (1/1) ... [2021-12-15 12:31:39,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:38" (1/1) ... [2021-12-15 12:31:39,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:38" (1/1) ... [2021-12-15 12:31:39,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:38" (1/1) ... [2021-12-15 12:31:39,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:38" (1/1) ... [2021-12-15 12:31:39,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:38" (1/1) ... [2021-12-15 12:31:39,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:31:39,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:31:39,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:31:39,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:31:39,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:38" (1/1) ... [2021-12-15 12:31:39,236 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:39,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:31:39,265 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:31:39,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:31:39,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-15 12:31:39,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:31:39,310 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-15 12:31:39,310 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-15 12:31:39,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:31:39,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:31:39,311 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2021-12-15 12:31:39,311 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2021-12-15 12:31:39,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:31:39,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:31:39,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:31:39,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:31:39,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:31:39,312 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:31:39,312 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:31:39,312 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-15 12:31:39,312 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-15 12:31:39,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 12:31:39,312 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 12:31:39,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:31:39,313 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-12-15 12:31:39,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-12-15 12:31:39,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:31:39,313 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-15 12:31:39,313 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-15 12:31:39,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:31:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2021-12-15 12:31:39,314 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2021-12-15 12:31:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:31:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_begin [2021-12-15 12:31:39,314 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_begin [2021-12-15 12:31:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2021-12-15 12:31:39,314 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2021-12-15 12:31:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure s_get_next_element [2021-12-15 12:31:39,314 INFO L138 BoogieDeclarations]: Found implementation of procedure s_get_next_element [2021-12-15 12:31:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:31:39,315 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:31:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2021-12-15 12:31:39,315 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2021-12-15 12:31:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2021-12-15 12:31:39,315 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2021-12-15 12:31:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:31:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-15 12:31:39,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-15 12:31:39,318 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-12-15 12:31:39,318 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-12-15 12:31:39,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:31:39,591 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:31:39,593 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:31:39,706 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !true; [2021-12-15 12:31:40,254 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:31:40,260 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:31:40,261 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-15 12:31:40,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:40 BoogieIcfgContainer [2021-12-15 12:31:40,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:31:40,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:31:40,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:31:40,266 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:31:40,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:31:36" (1/3) ... [2021-12-15 12:31:40,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ced1990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:40, skipping insertion in model container [2021-12-15 12:31:40,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:38" (2/3) ... [2021-12-15 12:31:40,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ced1990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:40, skipping insertion in model container [2021-12-15 12:31:40,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:40" (3/3) ... [2021-12-15 12:31:40,269 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_begin_harness.i [2021-12-15 12:31:40,272 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:31:40,273 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:31:40,313 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:31:40,317 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 12:31:40,318 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:31:40,332 INFO L276 IsEmpty]: Start isEmpty. Operand has 171 states, 114 states have (on average 1.2456140350877194) internal successors, (142), 113 states have internal predecessors, (142), 40 states have call successors, (40), 17 states have call predecessors, (40), 17 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2021-12-15 12:31:40,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-12-15 12:31:40,342 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:31:40,343 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 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, 1] [2021-12-15 12:31:40,343 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:31:40,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:31:40,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1612502020, now seen corresponding path program 1 times [2021-12-15 12:31:40,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:31:40,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562760632] [2021-12-15 12:31:40,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:31:40,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:31:40,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:31:40,463 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:31:40,472 INFO L158 Benchmark]: Toolchain (without parser) took 3915.32ms. Allocated memory was 92.3MB in the beginning and 262.1MB in the end (delta: 169.9MB). Free memory was 51.7MB in the beginning and 136.8MB in the end (delta: -85.1MB). Peak memory consumption was 85.5MB. Max. memory is 16.1GB. [2021-12-15 12:31:40,472 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 73.4MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:31:40,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2400.79ms. Allocated memory was 92.3MB in the beginning and 157.3MB in the end (delta: 65.0MB). Free memory was 51.7MB in the beginning and 63.6MB in the end (delta: -11.9MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. [2021-12-15 12:31:40,476 INFO L158 Benchmark]: Boogie Procedure Inliner took 154.26ms. Allocated memory is still 157.3MB. Free memory was 63.6MB in the beginning and 102.9MB in the end (delta: -39.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:31:40,476 INFO L158 Benchmark]: Boogie Preprocessor took 112.81ms. Allocated memory is still 157.3MB. Free memory was 101.9MB in the beginning and 95.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 12:31:40,477 INFO L158 Benchmark]: RCFGBuilder took 1035.78ms. Allocated memory was 157.3MB in the beginning and 262.1MB in the end (delta: 104.9MB). Free memory was 95.6MB in the beginning and 151.5MB in the end (delta: -55.9MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2021-12-15 12:31:40,477 INFO L158 Benchmark]: TraceAbstraction took 206.35ms. Allocated memory is still 262.1MB. Free memory was 151.5MB in the beginning and 136.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:31:40,483 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 73.4MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2400.79ms. Allocated memory was 92.3MB in the beginning and 157.3MB in the end (delta: 65.0MB). Free memory was 51.7MB in the beginning and 63.6MB in the end (delta: -11.9MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 154.26ms. Allocated memory is still 157.3MB. Free memory was 63.6MB in the beginning and 102.9MB in the end (delta: -39.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 112.81ms. Allocated memory is still 157.3MB. Free memory was 101.9MB in the beginning and 95.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1035.78ms. Allocated memory was 157.3MB in the beginning and 262.1MB in the end (delta: 104.9MB). Free memory was 95.6MB in the beginning and 151.5MB in the end (delta: -55.9MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. * TraceAbstraction took 206.35ms. Allocated memory is still 262.1MB. Free memory was 151.5MB in the beginning and 136.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:31:40,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_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 0f893dc40cf70b8d30dda6e110329e0bc2218e18bc668acf080889b069fe51ab --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:31:42,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:31:42,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:31:42,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:31:42,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:31:42,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:31:42,266 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:31:42,269 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:31:42,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:31:42,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:31:42,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:31:42,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:31:42,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:31:42,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:31:42,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:31:42,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:31:42,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:31:42,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:31:42,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:31:42,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:31:42,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:31:42,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:31:42,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:31:42,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:31:42,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:31:42,299 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:31:42,299 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:31:42,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:31:42,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:31:42,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:31:42,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:31:42,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:31:42,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:31:42,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:31:42,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:31:42,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:31:42,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:31:42,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:31:42,305 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:31:42,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:31:42,307 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:31:42,310 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:31:42,337 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:31:42,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:31:42,339 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:31:42,339 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:31:42,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:31:42,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:31:42,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:31:42,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:31:42,341 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:31:42,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:31:42,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:31:42,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:31:42,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:31:42,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:31:42,343 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:31:42,343 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:31:42,343 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:31:42,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:31:42,343 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:31:42,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:31:42,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:31:42,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:31:42,344 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:31:42,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:42,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:31:42,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:31:42,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:31:42,345 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:31:42,345 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:31:42,345 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:31:42,345 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:31:42,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:31:42,345 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:31:42,346 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:31:42,346 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f893dc40cf70b8d30dda6e110329e0bc2218e18bc668acf080889b069fe51ab [2021-12-15 12:31:42,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:31:42,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:31:42,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:31:42,644 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:31:42,645 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:31:42,646 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness.i [2021-12-15 12:31:42,723 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c97957db/4b592ba0137c4830af82cca1bf52644b/FLAG730329db9 [2021-12-15 12:31:43,338 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:31:43,338 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness.i [2021-12-15 12:31:43,368 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c97957db/4b592ba0137c4830af82cca1bf52644b/FLAG730329db9 [2021-12-15 12:31:43,740 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c97957db/4b592ba0137c4830af82cca1bf52644b [2021-12-15 12:31:43,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:31:43,743 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:31:43,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:43,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:31:43,748 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:31:43,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:43" (1/1) ... [2021-12-15 12:31:43,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6185ac1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:43, skipping insertion in model container [2021-12-15 12:31:43,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:43" (1/1) ... [2021-12-15 12:31:43,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:31:43,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:31:44,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness.i[4493,4506] [2021-12-15 12:31:44,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness.i[4553,4566] [2021-12-15 12:31:44,662 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,662 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,663 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,663 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,664 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,672 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,675 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,676 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,677 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,678 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,679 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,679 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,679 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,940 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:44,940 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:44,941 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:44,942 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:44,942 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:44,945 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:44,946 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:44,946 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:44,947 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:44,947 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:45,038 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:45,318 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,319 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,338 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,339 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,344 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,345 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,359 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,360 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,360 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,360 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,361 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,361 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,361 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:45,428 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:31:45,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:31:45,487 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness.i[4493,4506] [2021-12-15 12:31:45,488 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness.i[4553,4566] [2021-12-15 12:31:45,517 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,518 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,518 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,518 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,519 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,522 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,523 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,525 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,525 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,526 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,526 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,527 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,527 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,556 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:45,557 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:45,557 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:45,558 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:45,558 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:45,559 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:45,559 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:45,559 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:45,560 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:45,560 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:45,580 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:45,658 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,659 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,663 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,664 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,665 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,665 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,673 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,674 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,674 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,674 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,675 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,675 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,675 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,691 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:45,713 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:31:45,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness.i[4493,4506] [2021-12-15 12:31:45,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness.i[4553,4566] [2021-12-15 12:31:45,754 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,754 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,754 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,755 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,755 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,758 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,760 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,760 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,761 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,761 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,762 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,762 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,762 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,792 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:45,794 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:45,794 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:45,794 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:45,795 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:45,796 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:45,796 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:45,796 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:45,796 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:45,797 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:45,807 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:45,910 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,913 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,927 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,928 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,931 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,931 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,953 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,953 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,954 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,954 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,954 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,955 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,955 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,971 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:46,293 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:31:46,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:46 WrapperNode [2021-12-15 12:31:46,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:46,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:46,294 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:31:46,294 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:31:46,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:46" (1/1) ... [2021-12-15 12:31:46,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:46" (1/1) ... [2021-12-15 12:31:46,476 INFO L137 Inliner]: procedures = 794, calls = 2446, calls flagged for inlining = 69, calls inlined = 11, statements flattened = 619 [2021-12-15 12:31:46,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:46,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:31:46,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:31:46,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:31:46,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:46" (1/1) ... [2021-12-15 12:31:46,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:46" (1/1) ... [2021-12-15 12:31:46,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:46" (1/1) ... [2021-12-15 12:31:46,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:46" (1/1) ... [2021-12-15 12:31:46,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:46" (1/1) ... [2021-12-15 12:31:46,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:46" (1/1) ... [2021-12-15 12:31:46,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:46" (1/1) ... [2021-12-15 12:31:46,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:31:46,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:31:46,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:31:46,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:31:46,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:46" (1/1) ... [2021-12-15 12:31:46,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:46,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:31:46,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:31:46,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:31:46,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-15 12:31:46,732 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-15 12:31:46,733 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-15 12:31:46,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:31:46,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:31:46,733 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2021-12-15 12:31:46,734 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2021-12-15 12:31:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:31:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:31:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:31:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:31:46,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:31:46,739 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:31:46,739 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:31:46,739 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-15 12:31:46,739 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-15 12:31:46,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 12:31:46,739 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 12:31:46,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:31:46,739 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-12-15 12:31:46,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-12-15 12:31:46,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:31:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-15 12:31:46,740 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-15 12:31:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2021-12-15 12:31:46,740 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2021-12-15 12:31:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:31:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:31:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:31:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 12:31:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_begin [2021-12-15 12:31:46,740 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_begin [2021-12-15 12:31:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2021-12-15 12:31:46,741 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2021-12-15 12:31:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:31:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:31:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:31:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure s_get_next_element [2021-12-15 12:31:46,741 INFO L138 BoogieDeclarations]: Found implementation of procedure s_get_next_element [2021-12-15 12:31:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:31:46,741 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:31:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2021-12-15 12:31:46,742 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2021-12-15 12:31:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:31:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:31:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:31:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2021-12-15 12:31:46,742 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2021-12-15 12:31:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:31:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-15 12:31:46,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-15 12:31:46,743 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-12-15 12:31:46,743 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-12-15 12:31:46,964 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:31:46,965 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:31:47,125 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !true; [2021-12-15 12:31:48,980 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:31:48,989 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:31:48,990 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-15 12:31:48,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:48 BoogieIcfgContainer [2021-12-15 12:31:48,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:31:48,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:31:48,992 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:31:48,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:31:48,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:31:43" (1/3) ... [2021-12-15 12:31:48,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@313bd359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:48, skipping insertion in model container [2021-12-15 12:31:48,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:46" (2/3) ... [2021-12-15 12:31:48,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@313bd359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:48, skipping insertion in model container [2021-12-15 12:31:48,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:48" (3/3) ... [2021-12-15 12:31:48,996 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_begin_harness.i [2021-12-15 12:31:49,000 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:31:49,000 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:31:49,045 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:31:49,049 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 12:31:49,050 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:31:49,063 INFO L276 IsEmpty]: Start isEmpty. Operand has 167 states, 110 states have (on average 1.2545454545454546) internal successors, (138), 109 states have internal predecessors, (138), 40 states have call successors, (40), 17 states have call predecessors, (40), 17 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2021-12-15 12:31:49,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-12-15 12:31:49,076 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:31:49,077 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 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] [2021-12-15 12:31:49,077 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:31:49,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:31:49,081 INFO L85 PathProgramCache]: Analyzing trace with hash -879845289, now seen corresponding path program 1 times [2021-12-15 12:31:49,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:31:49,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1726319891] [2021-12-15 12:31:49,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:31:49,093 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:31:49,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:31:49,103 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 12:31:49,106 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 12:31:49,208 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-15 12:31:49,407 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 12:31:49,408 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 12:31:49,415 INFO L158 Benchmark]: Toolchain (without parser) took 5670.02ms. Allocated memory was 60.8MB in the beginning and 195.0MB in the end (delta: 134.2MB). Free memory was 29.5MB in the beginning and 85.4MB in the end (delta: -55.9MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. [2021-12-15 12:31:49,415 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory was 43.0MB in the beginning and 43.0MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:31:49,416 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2547.74ms. Allocated memory was 60.8MB in the beginning and 130.0MB in the end (delta: 69.2MB). Free memory was 29.3MB in the beginning and 54.5MB in the end (delta: -25.2MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2021-12-15 12:31:49,416 INFO L158 Benchmark]: Boogie Procedure Inliner took 182.64ms. Allocated memory is still 130.0MB. Free memory was 54.3MB in the beginning and 72.0MB in the end (delta: -17.7MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2021-12-15 12:31:49,416 INFO L158 Benchmark]: Boogie Preprocessor took 95.33ms. Allocated memory is still 130.0MB. Free memory was 72.0MB in the beginning and 63.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:31:49,417 INFO L158 Benchmark]: RCFGBuilder took 2417.59ms. Allocated memory was 130.0MB in the beginning and 195.0MB in the end (delta: 65.0MB). Free memory was 63.6MB in the beginning and 102.6MB in the end (delta: -39.0MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. [2021-12-15 12:31:49,417 INFO L158 Benchmark]: TraceAbstraction took 420.35ms. Allocated memory is still 195.0MB. Free memory was 102.6MB in the beginning and 85.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 12:31:49,419 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 60.8MB. Free memory was 43.0MB in the beginning and 43.0MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2547.74ms. Allocated memory was 60.8MB in the beginning and 130.0MB in the end (delta: 69.2MB). Free memory was 29.3MB in the beginning and 54.5MB in the end (delta: -25.2MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 182.64ms. Allocated memory is still 130.0MB. Free memory was 54.3MB in the beginning and 72.0MB in the end (delta: -17.7MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.33ms. Allocated memory is still 130.0MB. Free memory was 72.0MB in the beginning and 63.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2417.59ms. Allocated memory was 130.0MB in the beginning and 195.0MB in the end (delta: 65.0MB). Free memory was 63.6MB in the beginning and 102.6MB in the end (delta: -39.0MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. * TraceAbstraction took 420.35ms. Allocated memory is still 195.0MB. Free memory was 102.6MB in the beginning and 85.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:31:49,452 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable