./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:31:41,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:31:41,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:31:41,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:31:41,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:31:41,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:31:41,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:31:41,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:31:41,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:31:41,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:31:41,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:31:41,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:31:41,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:31:41,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:31:41,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:31:41,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:31:41,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:31:41,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:31:41,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:31:41,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:31:41,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:31:41,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:31:41,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:31:41,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:31:41,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:31:41,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:31:41,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:31:41,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:31:41,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:31:41,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:31:41,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:31:41,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:31:41,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:31:41,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:31:41,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:31:41,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:31:41,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:31:41,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:31:41,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:31:41,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:31:41,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:31:41,329 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:31:41,362 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:31:41,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:31:41,363 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:31:41,363 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:31:41,364 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:31:41,365 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:31:41,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:31:41,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:31:41,366 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:31:41,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:31:41,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:31:41,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:31:41,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:31:41,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:31:41,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:31:41,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:31:41,368 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:31:41,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:31:41,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:31:41,369 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:31:41,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:31:41,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:41,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:31:41,370 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:31:41,370 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:31:41,370 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:31:41,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:31:41,370 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:31:41,371 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:31:41,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:31:41,371 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:31:41,371 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 [2021-12-15 12:31:41,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:31:41,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:31:41,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:31:41,648 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:31:41,649 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:31:41,660 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2021-12-15 12:31:41,730 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97404e622/edd1fc61b3fc4c598919cb1f191502f4/FLAGd047c30f9 [2021-12-15 12:31:42,449 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:31:42,450 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2021-12-15 12:31:42,495 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97404e622/edd1fc61b3fc4c598919cb1f191502f4/FLAGd047c30f9 [2021-12-15 12:31:42,533 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97404e622/edd1fc61b3fc4c598919cb1f191502f4 [2021-12-15 12:31:42,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:31:42,536 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:31:42,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:42,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:31:42,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:31:42,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:42" (1/1) ... [2021-12-15 12:31:42,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b443c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:42, skipping insertion in model container [2021-12-15 12:31:42,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:42" (1/1) ... [2021-12-15 12:31:42,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:31:42,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:31:43,001 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_string_harness.i[4489,4502] [2021-12-15 12:31:43,009 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_string_harness.i[4549,4562] [2021-12-15 12:31:43,940 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,941 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,942 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,942 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,943 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,955 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,955 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,957 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,957 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,959 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,960 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,960 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,961 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,368 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:44,370 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:44,370 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:44,371 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:44,372 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:44,373 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:44,373 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:44,374 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:44,374 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:44,375 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:44,527 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:44,829 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,830 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,876 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,878 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,884 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,885 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,899 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,900 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,900 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,900 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,901 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,901 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,901 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:44,979 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:31:45,001 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_string_harness.i[4489,4502] [2021-12-15 12:31:45,001 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_string_harness.i[4549,4562] [2021-12-15 12:31:45,031 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,031 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,032 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,032 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,033 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,040 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,040 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,041 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,042 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,045 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,046 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,046 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,046 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,078 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:45,081 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:45,082 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:45,083 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:45,083 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:45,084 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:45,084 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:45,084 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:45,085 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:45,085 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:45,110 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:45,209 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,210 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,220 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,221 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,223 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,223 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,229 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,230 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,230 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,231 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,231 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,232 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,232 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,251 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:45,508 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:31:45,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:45 WrapperNode [2021-12-15 12:31:45,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:45,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:45,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:31:45,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:31:45,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:45" (1/1) ... [2021-12-15 12:31:45,641 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:45" (1/1) ... [2021-12-15 12:31:45,717 INFO L137 Inliner]: procedures = 774, calls = 2483, calls flagged for inlining = 67, calls inlined = 5, statements flattened = 527 [2021-12-15 12:31:45,718 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:45,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:31:45,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:31:45,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:31:45,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:45" (1/1) ... [2021-12-15 12:31:45,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:45" (1/1) ... [2021-12-15 12:31:45,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:45" (1/1) ... [2021-12-15 12:31:45,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:45" (1/1) ... [2021-12-15 12:31:45,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:45" (1/1) ... [2021-12-15 12:31:45,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:45" (1/1) ... [2021-12-15 12:31:45,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:45" (1/1) ... [2021-12-15 12:31:45,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:31:45,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:31:45,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:31:45,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:31:45,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:45" (1/1) ... [2021-12-15 12:31:45,846 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:45,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:31:45,877 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 12:31:45,896 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 12:31:45,930 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-12-15 12:31:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-12-15 12:31:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2021-12-15 12:31:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2021-12-15 12:31:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-15 12:31:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-15 12:31:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:31:45,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:31:45,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:31:45,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:31:45,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:31:45,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:31:45,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:31:45,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:31:45,933 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:31:45,933 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:31:45,933 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2021-12-15 12:31:45,933 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2021-12-15 12:31:45,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:31:45,934 INFO L130 BoogieDeclarations]: Found specification of procedure hashlittle2 [2021-12-15 12:31:45,934 INFO L138 BoogieDeclarations]: Found implementation of procedure hashlittle2 [2021-12-15 12:31:45,934 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-15 12:31:45,934 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-15 12:31:45,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:31:45,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:31:45,935 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:31:45,935 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:31:45,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:31:45,935 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-15 12:31:45,935 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-15 12:31:45,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:31:46,211 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:31:46,212 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:31:46,871 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !true; [2021-12-15 12:31:46,881 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:31:46,889 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:31:46,890 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-15 12:31:46,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:46 BoogieIcfgContainer [2021-12-15 12:31:46,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:31:46,893 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:31:46,893 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:31:46,897 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:31:46,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:31:42" (1/3) ... [2021-12-15 12:31:46,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c671c1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:46, skipping insertion in model container [2021-12-15 12:31:46,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:45" (2/3) ... [2021-12-15 12:31:46,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c671c1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:46, skipping insertion in model container [2021-12-15 12:31:46,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:46" (3/3) ... [2021-12-15 12:31:46,900 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_string_harness.i [2021-12-15 12:31:46,904 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:31:46,905 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:31:46,946 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:31:46,951 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 12:31:46,952 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:31:46,970 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 118 states have (on average 1.4661016949152543) internal successors, (173), 118 states have internal predecessors, (173), 15 states have call successors, (15), 10 states have call predecessors, (15), 10 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2021-12-15 12:31:46,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-15 12:31:46,978 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:31:46,979 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:46,980 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:31:46,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:31:46,984 INFO L85 PathProgramCache]: Analyzing trace with hash 412073855, now seen corresponding path program 1 times [2021-12-15 12:31:46,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:31:46,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258556435] [2021-12-15 12:31:46,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:31:46,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:31:47,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:31:47,091 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 12:31:47,098 INFO L158 Benchmark]: Toolchain (without parser) took 4560.41ms. Allocated memory was 79.7MB in the beginning and 182.5MB in the end (delta: 102.8MB). Free memory was 37.4MB in the beginning and 99.4MB in the end (delta: -62.0MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2021-12-15 12:31:47,099 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 79.7MB. Free memory was 39.1MB in the beginning and 54.1MB in the end (delta: -15.0MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-12-15 12:31:47,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2971.27ms. Allocated memory was 79.7MB in the beginning and 134.2MB in the end (delta: 54.5MB). Free memory was 37.2MB in the beginning and 68.7MB in the end (delta: -31.5MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2021-12-15 12:31:47,101 INFO L158 Benchmark]: Boogie Procedure Inliner took 208.51ms. Allocated memory is still 134.2MB. Free memory was 68.0MB in the beginning and 58.4MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:31:47,103 INFO L158 Benchmark]: Boogie Preprocessor took 116.37ms. Allocated memory is still 134.2MB. Free memory was 58.4MB in the beginning and 51.3MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:31:47,104 INFO L158 Benchmark]: RCFGBuilder took 1055.09ms. Allocated memory was 134.2MB in the beginning and 182.5MB in the end (delta: 48.2MB). Free memory was 51.3MB in the beginning and 114.1MB in the end (delta: -62.8MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2021-12-15 12:31:47,104 INFO L158 Benchmark]: TraceAbstraction took 203.16ms. Allocated memory is still 182.5MB. Free memory was 113.0MB in the beginning and 99.4MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:31:47,106 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 79.7MB. Free memory was 39.1MB in the beginning and 54.1MB in the end (delta: -15.0MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2971.27ms. Allocated memory was 79.7MB in the beginning and 134.2MB in the end (delta: 54.5MB). Free memory was 37.2MB in the beginning and 68.7MB in the end (delta: -31.5MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 208.51ms. Allocated memory is still 134.2MB. Free memory was 68.0MB in the beginning and 58.4MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.37ms. Allocated memory is still 134.2MB. Free memory was 58.4MB in the beginning and 51.3MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1055.09ms. Allocated memory was 134.2MB in the beginning and 182.5MB in the end (delta: 48.2MB). Free memory was 51.3MB in the beginning and 114.1MB in the end (delta: -62.8MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * TraceAbstraction took 203.16ms. Allocated memory is still 182.5MB. Free memory was 113.0MB in the beginning and 99.4MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:31:47,145 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 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_string_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:31:49,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:31:49,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:31:49,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:31:49,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:31:49,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:31:49,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:31:49,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:31:49,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:31:49,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:31:49,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:31:49,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:31:49,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:31:49,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:31:49,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:31:49,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:31:49,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:31:49,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:31:49,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:31:49,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:31:49,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:31:49,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:31:49,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:31:49,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:31:49,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:31:49,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:31:49,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:31:49,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:31:49,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:31:49,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:31:49,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:31:49,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:31:49,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:31:49,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:31:49,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:31:49,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:31:49,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:31:49,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:31:49,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:31:49,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:31:49,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:31:49,218 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:31:49,255 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:31:49,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:31:49,256 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:31:49,256 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:31:49,257 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:31:49,258 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:31:49,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:31:49,259 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:31:49,259 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:31:49,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:31:49,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:31:49,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:31:49,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:31:49,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:31:49,261 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:31:49,261 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:31:49,261 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:31:49,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:31:49,262 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:31:49,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:31:49,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:31:49,262 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:31:49,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:31:49,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:49,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:31:49,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:31:49,263 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:31:49,264 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:31:49,264 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:31:49,264 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:31:49,264 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:31:49,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:31:49,265 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:31:49,265 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:31:49,265 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 [2021-12-15 12:31:49,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:31:49,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:31:49,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:31:49,610 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:31:49,610 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:31:49,611 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2021-12-15 12:31:49,674 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fccb2d0fc/9e0f64a7b4d84371838df823c3c3ccb6/FLAGabc339e88 [2021-12-15 12:31:50,438 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:31:50,439 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2021-12-15 12:31:50,481 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fccb2d0fc/9e0f64a7b4d84371838df823c3c3ccb6/FLAGabc339e88 [2021-12-15 12:31:50,503 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fccb2d0fc/9e0f64a7b4d84371838df823c3c3ccb6 [2021-12-15 12:31:50,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:31:50,509 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:31:50,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:50,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:31:50,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:31:50,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:50" (1/1) ... [2021-12-15 12:31:50,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5238046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:50, skipping insertion in model container [2021-12-15 12:31:50,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:50" (1/1) ... [2021-12-15 12:31:50,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:31:50,644 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:31:50,946 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_string_harness.i[4489,4502] [2021-12-15 12:31:50,955 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_string_harness.i[4549,4562] [2021-12-15 12:31:51,912 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,914 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,923 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,924 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,925 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,954 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,955 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,957 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,959 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,962 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,963 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,965 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,966 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,332 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:52,334 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:52,335 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:52,336 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:52,337 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:52,337 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:52,338 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:52,338 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:52,339 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:52,341 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:52,508 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:52,821 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,823 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,844 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,845 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,850 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,851 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,869 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,870 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,871 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,871 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,871 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,872 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,872 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:52,922 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:52,963 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:31:53,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:31:53,023 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_string_harness.i[4489,4502] [2021-12-15 12:31:53,024 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_string_harness.i[4549,4562] [2021-12-15 12:31:53,066 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,066 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,067 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,089 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,090 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,097 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,098 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,098 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,111 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,112 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,113 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,113 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,114 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,156 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:53,157 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:53,158 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:53,158 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:53,159 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:53,159 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:53,159 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:53,160 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:53,160 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:53,161 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:53,198 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:53,300 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,301 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,312 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,313 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,315 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,315 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,321 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,323 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,323 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,324 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,324 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,324 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,325 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,343 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:53,373 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:31:53,394 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_string_harness.i[4489,4502] [2021-12-15 12:31:53,395 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_string_harness.i[4549,4562] [2021-12-15 12:31:53,435 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,436 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,436 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,437 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,438 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,444 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,444 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,445 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,446 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,447 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,447 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,448 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,448 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,474 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:53,475 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:53,476 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:53,476 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:53,477 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:53,477 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:53,478 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:53,478 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:53,479 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:53,479 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:53,499 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:53,594 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,594 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,602 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,604 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,607 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,608 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,621 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,621 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,634 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,635 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,635 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,635 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,635 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:53,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:53,900 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:31:53,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:53 WrapperNode [2021-12-15 12:31:53,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:53,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:53,903 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:31:53,903 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:31:53,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:53" (1/1) ... [2021-12-15 12:31:54,011 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:53" (1/1) ... [2021-12-15 12:31:54,088 INFO L137 Inliner]: procedures = 794, calls = 2483, calls flagged for inlining = 69, calls inlined = 5, statements flattened = 528 [2021-12-15 12:31:54,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:54,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:31:54,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:31:54,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:31:54,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:53" (1/1) ... [2021-12-15 12:31:54,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:53" (1/1) ... [2021-12-15 12:31:54,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:53" (1/1) ... [2021-12-15 12:31:54,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:53" (1/1) ... [2021-12-15 12:31:54,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:53" (1/1) ... [2021-12-15 12:31:54,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:53" (1/1) ... [2021-12-15 12:31:54,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:53" (1/1) ... [2021-12-15 12:31:54,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:31:54,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:31:54,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:31:54,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:31:54,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:53" (1/1) ... [2021-12-15 12:31:54,212 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:54,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:31:54,237 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 12:31:54,257 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 12:31:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-12-15 12:31:54,270 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-12-15 12:31:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2021-12-15 12:31:54,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2021-12-15 12:31:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-15 12:31:54,272 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-15 12:31:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:31:54,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:31:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:31:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:31:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:31:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:31:54,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:31:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:31:54,278 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:31:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2021-12-15 12:31:54,278 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2021-12-15 12:31:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:31:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure hashlittle2 [2021-12-15 12:31:54,279 INFO L138 BoogieDeclarations]: Found implementation of procedure hashlittle2 [2021-12-15 12:31:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-15 12:31:54,279 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-15 12:31:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:31:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:31:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:31:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:31:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:31:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:31:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 12:31:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:31:54,280 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:31:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:31:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:31:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:31:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:31:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-15 12:31:54,281 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-15 12:31:54,617 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:31:54,618 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:31:59,914 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !true; [2021-12-15 12:31:59,928 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:31:59,937 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:31:59,938 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-15 12:31:59,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:59 BoogieIcfgContainer [2021-12-15 12:31:59,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:31:59,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:31:59,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:31:59,944 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:31:59,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:31:50" (1/3) ... [2021-12-15 12:31:59,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d7201b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:59, skipping insertion in model container [2021-12-15 12:31:59,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:53" (2/3) ... [2021-12-15 12:31:59,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d7201b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:59, skipping insertion in model container [2021-12-15 12:31:59,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:59" (3/3) ... [2021-12-15 12:31:59,948 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_string_harness.i [2021-12-15 12:31:59,956 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:31:59,956 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:32:00,007 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:32:00,012 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 12:32:00,013 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:32:00,043 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 118 states have (on average 1.4661016949152543) internal successors, (173), 118 states have internal predecessors, (173), 15 states have call successors, (15), 10 states have call predecessors, (15), 10 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2021-12-15 12:32:00,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-15 12:32:00,056 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:32:00,056 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:32:00,057 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:32:00,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:32:00,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1935953289, now seen corresponding path program 1 times [2021-12-15 12:32:00,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:32:00,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [483496362] [2021-12-15 12:32:00,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:32:00,081 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:32:00,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:32:00,083 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 12:32:00,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 12:32:00,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 12:32:00,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 12:32:00,399 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:32:00,403 INFO L158 Benchmark]: Toolchain (without parser) took 9893.43ms. Allocated memory was 56.6MB in the beginning and 184.5MB in the end (delta: 127.9MB). Free memory was 31.5MB in the beginning and 113.1MB in the end (delta: -81.6MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2021-12-15 12:32:00,403 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 46.1MB. Free memory was 28.8MB in the beginning and 28.8MB in the end (delta: 27.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:32:00,403 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3389.61ms. Allocated memory was 56.6MB in the beginning and 184.5MB in the end (delta: 127.9MB). Free memory was 31.2MB in the beginning and 98.9MB in the end (delta: -67.8MB). Peak memory consumption was 68.5MB. Max. memory is 16.1GB. [2021-12-15 12:32:00,404 INFO L158 Benchmark]: Boogie Procedure Inliner took 186.58ms. Allocated memory is still 184.5MB. Free memory was 98.9MB in the beginning and 88.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:32:00,404 INFO L158 Benchmark]: Boogie Preprocessor took 114.80ms. Allocated memory is still 184.5MB. Free memory was 88.4MB in the beginning and 80.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:32:00,404 INFO L158 Benchmark]: RCFGBuilder took 5735.09ms. Allocated memory is still 184.5MB. Free memory was 80.0MB in the beginning and 57.2MB in the end (delta: 22.8MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2021-12-15 12:32:00,405 INFO L158 Benchmark]: TraceAbstraction took 459.81ms. Allocated memory is still 184.5MB. Free memory was 56.2MB in the beginning and 113.1MB in the end (delta: -56.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:32:00,406 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 46.1MB. Free memory was 28.8MB in the beginning and 28.8MB in the end (delta: 27.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3389.61ms. Allocated memory was 56.6MB in the beginning and 184.5MB in the end (delta: 127.9MB). Free memory was 31.2MB in the beginning and 98.9MB in the end (delta: -67.8MB). Peak memory consumption was 68.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 186.58ms. Allocated memory is still 184.5MB. Free memory was 98.9MB in the beginning and 88.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 114.80ms. Allocated memory is still 184.5MB. Free memory was 88.4MB in the beginning and 80.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 5735.09ms. Allocated memory is still 184.5MB. Free memory was 80.0MB in the beginning and 57.2MB in the end (delta: 22.8MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. * TraceAbstraction took 459.81ms. Allocated memory is still 184.5MB. Free memory was 56.2MB in the beginning and 113.1MB in the end (delta: -56.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:32:00,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable