./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_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_callback_string_eq_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 617e08addfe2d13b261907959d3757079a581721356bb3e7b4090decaff2b168 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:31:34,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:31:34,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:31:34,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:31:34,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:31:34,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:31:34,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:31:34,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:31:34,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:31:34,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:31:34,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:31:34,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:31:34,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:31:34,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:31:34,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:31:34,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:31:34,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:31:34,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:31:34,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:31:34,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:31:34,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:31:34,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:31:34,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:31:34,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:31:34,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:31:34,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:31:34,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:31:34,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:31:34,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:31:34,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:31:34,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:31:34,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:31:34,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:31:34,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:31:34,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:31:34,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:31:34,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:31:34,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:31:34,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:31:34,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:31:34,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:31:34,230 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:31:34,249 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:31:34,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:31:34,250 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:31:34,250 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:31:34,251 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:31:34,251 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:31:34,252 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:31:34,252 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:31:34,252 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:31:34,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:31:34,253 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:31:34,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:31:34,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:31:34,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:31:34,253 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:31:34,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:31:34,254 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:31:34,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:31:34,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:31:34,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:31:34,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:31:34,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:34,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:31:34,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:31:34,255 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:31:34,255 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:31:34,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:31:34,255 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:31:34,256 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:31:34,256 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:31:34,256 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:31:34,256 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 617e08addfe2d13b261907959d3757079a581721356bb3e7b4090decaff2b168 [2021-12-15 12:31:34,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:31:34,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:31:34,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:31:34,487 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:31:34,488 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:31:34,489 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i [2021-12-15 12:31:34,549 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dd75e5e7/67701892f3444d58bd00b79a793724d7/FLAG7c2faf961 [2021-12-15 12:31:35,227 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:31:35,228 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i [2021-12-15 12:31:35,261 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dd75e5e7/67701892f3444d58bd00b79a793724d7/FLAG7c2faf961 [2021-12-15 12:31:35,563 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dd75e5e7/67701892f3444d58bd00b79a793724d7 [2021-12-15 12:31:35,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:31:35,566 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:31:35,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:35,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:31:35,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:31:35,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:35" (1/1) ... [2021-12-15 12:31:35,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c8af1cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:35, skipping insertion in model container [2021-12-15 12:31:35,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:35" (1/1) ... [2021-12-15 12:31:35,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:31:35,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:31:35,821 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_callback_string_eq_harness.i[4501,4514] [2021-12-15 12:31:35,828 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_callback_string_eq_harness.i[4561,4574] [2021-12-15 12:31:36,541 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,542 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,542 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,543 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,544 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,551 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,556 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,558 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,558 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,875 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:36,876 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:36,877 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:36,877 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:36,878 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:36,882 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:36,882 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:36,884 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:36,886 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:36,887 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:37,015 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:37,086 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,098 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,332 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,333 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,351 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,352 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,359 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,360 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,374 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,376 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,376 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,377 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,377 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,378 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,378 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:37,464 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:31:37,482 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_callback_string_eq_harness.i[4501,4514] [2021-12-15 12:31:37,483 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_callback_string_eq_harness.i[4561,4574] [2021-12-15 12:31:37,520 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,521 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,521 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,521 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,522 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,525 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,525 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,526 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,526 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,548 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:37,548 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:37,549 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:37,549 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:37,549 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:37,550 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:37,580 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:37,580 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:37,581 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:37,581 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:37,593 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:37,629 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,631 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,673 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,673 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,679 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,679 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,684 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,684 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,690 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,691 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,691 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,692 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,692 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,692 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,692 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:37,894 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:31:37,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:37 WrapperNode [2021-12-15 12:31:37,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:37,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:37,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:31:37,896 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:31:37,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:37" (1/1) ... [2021-12-15 12:31:38,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:37" (1/1) ... [2021-12-15 12:31:38,139 INFO L137 Inliner]: procedures = 768, calls = 3257, calls flagged for inlining = 77, calls inlined = 7, statements flattened = 399 [2021-12-15 12:31:38,140 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:38,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:31:38,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:31:38,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:31:38,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:37" (1/1) ... [2021-12-15 12:31:38,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:37" (1/1) ... [2021-12-15 12:31:38,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:37" (1/1) ... [2021-12-15 12:31:38,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:37" (1/1) ... [2021-12-15 12:31:38,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:37" (1/1) ... [2021-12-15 12:31:38,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:37" (1/1) ... [2021-12-15 12:31:38,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:37" (1/1) ... [2021-12-15 12:31:38,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:31:38,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:31:38,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:31:38,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:31:38,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:37" (1/1) ... [2021-12-15 12:31:38,226 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:38,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:31:38,253 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 12:31:38,258 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 12:31:38,284 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-12-15 12:31:38,284 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-12-15 12:31:38,284 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2021-12-15 12:31:38,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2021-12-15 12:31:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-15 12:31:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-15 12:31:38,285 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-15 12:31:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:31:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:31:38,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:31:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:31:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:31:38,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:31:38,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:31:38,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:31:38,286 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:31:38,286 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:31:38,287 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:31:38,287 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:31:38,287 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2021-12-15 12:31:38,287 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2021-12-15 12:31:38,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:31:38,288 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-15 12:31:38,288 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-15 12:31:38,288 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-15 12:31:38,288 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-15 12:31:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:31:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure aws_c_string_is_valid [2021-12-15 12:31:38,291 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_c_string_is_valid [2021-12-15 12:31:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:31:38,467 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:31:38,468 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:31:38,745 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !true; [2021-12-15 12:31:38,753 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:31:38,759 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:31:38,760 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 12:31:38,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:38 BoogieIcfgContainer [2021-12-15 12:31:38,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:31:38,763 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:31:38,763 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:31:38,765 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:31:38,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:31:35" (1/3) ... [2021-12-15 12:31:38,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ed68456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:38, skipping insertion in model container [2021-12-15 12:31:38,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:37" (2/3) ... [2021-12-15 12:31:38,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ed68456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:38, skipping insertion in model container [2021-12-15 12:31:38,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:38" (3/3) ... [2021-12-15 12:31:38,768 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_string_eq_harness.i [2021-12-15 12:31:38,773 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:31:38,774 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:31:38,807 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:31:38,811 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 12:31:38,811 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:31:38,822 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 71 states have internal predecessors, (87), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2021-12-15 12:31:38,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-15 12:31:38,828 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:31:38,829 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:31:38,829 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:31:38,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:31:38,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1707101443, now seen corresponding path program 1 times [2021-12-15 12:31:38,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:31:38,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120971687] [2021-12-15 12:31:38,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:31:38,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:31:38,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:31:38,930 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 12:31:38,937 INFO L158 Benchmark]: Toolchain (without parser) took 3370.01ms. Allocated memory was 100.7MB in the beginning and 197.1MB in the end (delta: 96.5MB). Free memory was 73.6MB in the beginning and 101.5MB in the end (delta: -28.0MB). Peak memory consumption was 68.1MB. Max. memory is 16.1GB. [2021-12-15 12:31:38,937 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:31:38,941 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2327.81ms. Allocated memory was 100.7MB in the beginning and 197.1MB in the end (delta: 96.5MB). Free memory was 73.6MB in the beginning and 118.9MB in the end (delta: -45.3MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. [2021-12-15 12:31:38,941 INFO L158 Benchmark]: Boogie Procedure Inliner took 244.37ms. Allocated memory is still 197.1MB. Free memory was 118.9MB in the beginning and 108.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:31:38,942 INFO L158 Benchmark]: Boogie Preprocessor took 76.94ms. Allocated memory is still 197.1MB. Free memory was 108.5MB in the beginning and 103.2MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 12:31:38,942 INFO L158 Benchmark]: RCFGBuilder took 543.73ms. Allocated memory is still 197.1MB. Free memory was 103.2MB in the beginning and 115.2MB in the end (delta: -12.0MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2021-12-15 12:31:38,942 INFO L158 Benchmark]: TraceAbstraction took 172.67ms. Allocated memory is still 197.1MB. Free memory was 114.1MB in the beginning and 101.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:31:38,948 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2327.81ms. Allocated memory was 100.7MB in the beginning and 197.1MB in the end (delta: 96.5MB). Free memory was 73.6MB in the beginning and 118.9MB in the end (delta: -45.3MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 244.37ms. Allocated memory is still 197.1MB. Free memory was 118.9MB in the beginning and 108.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.94ms. Allocated memory is still 197.1MB. Free memory was 108.5MB in the beginning and 103.2MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 543.73ms. Allocated memory is still 197.1MB. Free memory was 103.2MB in the beginning and 115.2MB in the end (delta: -12.0MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. * TraceAbstraction took 172.67ms. Allocated memory is still 197.1MB. Free memory was 114.1MB in the beginning and 101.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:31:38,973 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_callback_string_eq_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 617e08addfe2d13b261907959d3757079a581721356bb3e7b4090decaff2b168 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:31:41,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:31:41,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:31:41,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:31:41,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:31:41,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:31:41,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:31:41,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:31:41,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:31:41,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:31:41,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:31:41,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:31:41,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:31:41,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:31:41,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:31:41,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:31:41,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:31:41,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:31:41,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:31:41,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:31:41,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:31:41,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:31:41,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:31:41,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:31:41,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:31:41,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:31:41,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:31:41,131 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:31:41,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:31:41,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:31:41,132 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:31:41,133 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:31:41,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:31:41,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:31:41,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:31:41,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:31:41,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:31:41,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:31:41,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:31:41,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:31:41,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:31:41,154 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:31:41,181 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:31:41,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:31:41,189 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:31:41,189 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:31:41,190 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:31:41,190 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:31:41,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:31:41,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:31:41,192 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:31:41,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:31:41,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:31:41,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:31:41,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:31:41,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:31:41,193 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:31:41,193 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:31:41,193 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:31:41,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:31:41,193 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:31:41,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:31:41,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:31:41,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:31:41,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:31:41,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:41,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:31:41,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:31:41,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:31:41,203 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:31:41,203 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:31:41,203 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:31:41,204 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:31:41,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:31:41,204 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:31:41,204 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:31:41,204 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 617e08addfe2d13b261907959d3757079a581721356bb3e7b4090decaff2b168 [2021-12-15 12:31:41,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:31:41,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:31:41,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:31:41,484 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:31:41,484 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:31:41,485 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i [2021-12-15 12:31:41,529 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed69bdbed/e45fbe9d27ac42ba9ade315b6eb49981/FLAGc471d9c45 [2021-12-15 12:31:42,149 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:31:42,149 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i [2021-12-15 12:31:42,175 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed69bdbed/e45fbe9d27ac42ba9ade315b6eb49981/FLAGc471d9c45 [2021-12-15 12:31:42,555 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed69bdbed/e45fbe9d27ac42ba9ade315b6eb49981 [2021-12-15 12:31:42,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:31:42,558 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:31:42,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:42,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:31:42,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:31:42,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:42" (1/1) ... [2021-12-15 12:31:42,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bdea8dc 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 12:31:42,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:42" (1/1) ... [2021-12-15 12:31:42,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:31:42,647 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:31:42,843 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_callback_string_eq_harness.i[4501,4514] [2021-12-15 12:31:42,851 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_callback_string_eq_harness.i[4561,4574] [2021-12-15 12:31:43,444 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,444 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,445 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,445 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,446 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,454 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,456 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,458 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,459 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,788 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:43,789 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:43,790 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:43,790 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:43,791 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:43,792 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:43,792 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:43,792 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:43,793 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:43,793 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:43,925 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:44,052 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,053 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,244 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,245 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,258 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,259 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,263 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,263 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,272 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,273 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,274 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,274 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,275 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,275 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,275 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:44,361 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:31:44,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:31:44,418 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_callback_string_eq_harness.i[4501,4514] [2021-12-15 12:31:44,419 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i[4561,4574] [2021-12-15 12:31:44,451 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,452 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,452 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,453 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,453 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,456 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,456 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,457 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,457 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,480 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:44,481 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:44,481 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:44,482 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:44,482 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:44,483 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:44,483 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:44,483 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:44,483 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:44,484 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:44,494 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:44,528 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,530 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,591 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,592 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,596 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,596 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,597 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,598 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,602 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,603 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,603 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,603 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,604 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,605 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,605 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:44,648 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:31:44,664 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_callback_string_eq_harness.i[4501,4514] [2021-12-15 12:31:44,664 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_callback_string_eq_harness.i[4561,4574] [2021-12-15 12:31:44,700 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,700 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,700 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,701 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,701 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,704 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,704 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,705 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,705 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,724 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:44,725 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:44,725 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:44,726 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:44,727 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:44,727 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:44,727 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:44,728 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:44,728 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:44,728 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:44,742 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:44,767 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,767 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 12:31:44,831 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,835 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,835 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,836 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,837 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,842 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,842 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,843 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,844 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,844 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,844 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,844 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,861 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:45,101 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:31:45,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:45 WrapperNode [2021-12-15 12:31:45,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:45,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:45,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:31:45,117 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:31:45,122 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 12:31:45,274 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 12:31:45,320 INFO L137 Inliner]: procedures = 788, calls = 3257, calls flagged for inlining = 79, calls inlined = 7, statements flattened = 400 [2021-12-15 12:31:45,324 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:45,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:31:45,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:31:45,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:31:45,330 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 12:31:45,331 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 12:31:45,340 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 12:31:45,341 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 12:31:45,372 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 12:31:45,382 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 12:31:45,388 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 12:31:45,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:31:45,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:31:45,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:31:45,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:31:45,406 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 12:31:45,411 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:45,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:31:45,427 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 12:31:45,433 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 12:31:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-12-15 12:31:45,454 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-12-15 12:31:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2021-12-15 12:31:45,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2021-12-15 12:31:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-15 12:31:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-15 12:31:45,457 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-15 12:31:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:31:45,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:31:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:31:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:31:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:31:45,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:31:45,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:31:45,463 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:31:45,463 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:31:45,463 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2021-12-15 12:31:45,463 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2021-12-15 12:31:45,463 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-15 12:31:45,463 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-15 12:31:45,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:31:45,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:31:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:31:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:31:45,464 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:31:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:31:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:31:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:31:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-15 12:31:45,464 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-15 12:31:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure aws_c_string_is_valid [2021-12-15 12:31:45,464 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_c_string_is_valid [2021-12-15 12:31:45,746 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:31:45,747 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:31:46,265 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !true; [2021-12-15 12:31:46,278 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:31:46,283 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:31:46,283 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 12:31:46,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:46 BoogieIcfgContainer [2021-12-15 12:31:46,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:31:46,286 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:31:46,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:31:46,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:31:46,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:31:42" (1/3) ... [2021-12-15 12:31:46,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c1c050 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 12:31:46,288 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 12:31:46,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c1c050 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 12:31:46,288 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 12:31:46,289 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_string_eq_harness.i [2021-12-15 12:31:46,308 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:31:46,308 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:31:46,366 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:31:46,370 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 12:31:46,370 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:31:46,397 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 71 states have internal predecessors, (87), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2021-12-15 12:31:46,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-15 12:31:46,409 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:31:46,410 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:31:46,410 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:31:46,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:31:46,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1707101443, now seen corresponding path program 1 times [2021-12-15 12:31:46,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:31:46,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1249712956] [2021-12-15 12:31:46,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:31:46,427 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:31:46,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:31:46,445 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 12:31:46,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 12:31:46,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-15 12:31:46,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 12:31:46,779 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:31:46,784 INFO L158 Benchmark]: Toolchain (without parser) took 4225.21ms. Allocated memory was 56.6MB in the beginning and 228.6MB in the end (delta: 172.0MB). Free memory was 35.9MB in the beginning and 124.5MB in the end (delta: -88.7MB). Peak memory consumption was 83.7MB. Max. memory is 16.1GB. [2021-12-15 12:31:46,784 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory was 38.6MB in the beginning and 38.6MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:31:46,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2557.27ms. Allocated memory was 56.6MB in the beginning and 155.2MB in the end (delta: 98.6MB). Free memory was 35.6MB in the beginning and 77.7MB in the end (delta: -42.0MB). Peak memory consumption was 93.0MB. Max. memory is 16.1GB. [2021-12-15 12:31:46,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 207.08ms. Allocated memory is still 155.2MB. Free memory was 77.7MB in the beginning and 66.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:31:46,785 INFO L158 Benchmark]: Boogie Preprocessor took 80.52ms. Allocated memory is still 155.2MB. Free memory was 66.7MB in the beginning and 60.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 12:31:46,787 INFO L158 Benchmark]: RCFGBuilder took 879.21ms. Allocated memory was 155.2MB in the beginning and 228.6MB in the end (delta: 73.4MB). Free memory was 60.4MB in the beginning and 138.6MB in the end (delta: -78.2MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2021-12-15 12:31:46,787 INFO L158 Benchmark]: TraceAbstraction took 496.80ms. Allocated memory is still 228.6MB. Free memory was 138.6MB in the beginning and 124.5MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:31:46,788 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory was 38.6MB in the beginning and 38.6MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2557.27ms. Allocated memory was 56.6MB in the beginning and 155.2MB in the end (delta: 98.6MB). Free memory was 35.6MB in the beginning and 77.7MB in the end (delta: -42.0MB). Peak memory consumption was 93.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 207.08ms. Allocated memory is still 155.2MB. Free memory was 77.7MB in the beginning and 66.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.52ms. Allocated memory is still 155.2MB. Free memory was 66.7MB in the beginning and 60.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 879.21ms. Allocated memory was 155.2MB in the beginning and 228.6MB in the end (delta: 73.4MB). Free memory was 60.4MB in the beginning and 138.6MB in the end (delta: -78.2MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * TraceAbstraction took 496.80ms. Allocated memory is still 228.6MB. Free memory was 138.6MB in the beginning and 124.5MB in the end (delta: 14.1MB). 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 12:31:46,817 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