./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness-1.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 b875da017a84450a4103e052cdea13d2bfe14ebd5ef6946815ef19c566574bb1 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:31:34,495 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:31:34,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:31:34,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:31:34,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:31:34,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:31:34,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:31:34,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:31:34,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:31:34,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:31:34,571 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:31:34,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:31:34,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:31:34,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:31:34,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:31:34,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:31:34,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:31:34,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:31:34,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:31:34,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:31:34,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:31:34,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:31:34,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:31:34,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:31:34,606 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:31:34,606 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:31:34,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:31:34,608 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:31:34,608 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:31:34,609 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:31:34,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:31:34,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:31:34,611 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:31:34,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:31:34,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:31:34,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:31:34,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:31:34,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:31:34,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:31:34,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:31:34,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:31:34,615 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:31:34,644 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:31:34,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:31:34,644 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:31:34,645 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:31:34,645 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:31:34,645 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:31:34,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:31:34,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:31:34,646 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:31:34,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:31:34,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:31:34,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:31:34,647 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:31:34,647 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:31:34,647 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:31:34,648 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:31:34,648 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:31:34,648 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:31:34,648 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:31:34,648 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:31:34,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:31:34,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:34,649 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:31:34,649 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:31:34,649 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:31:34,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:31:34,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:31:34,649 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:31:34,650 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:31:34,650 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:31:34,650 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:31:34,650 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b875da017a84450a4103e052cdea13d2bfe14ebd5ef6946815ef19c566574bb1 [2021-12-15 12:31:34,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:31:34,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:31:34,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:31:34,877 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:31:34,878 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:31:34,879 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness-1.i [2021-12-15 12:31:34,933 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cc09a8bd/54518f6dfaa74028812ccec91dc1293c/FLAG6355c2643 [2021-12-15 12:31:35,615 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:31:35,616 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness-1.i [2021-12-15 12:31:35,643 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cc09a8bd/54518f6dfaa74028812ccec91dc1293c/FLAG6355c2643 [2021-12-15 12:31:35,958 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cc09a8bd/54518f6dfaa74028812ccec91dc1293c [2021-12-15 12:31:35,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:31:35,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:31:35,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:35,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:31:35,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:31:35,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:35" (1/1) ... [2021-12-15 12:31:35,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30408488 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 12:31:35,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:35" (1/1) ... [2021-12-15 12:31:35,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:31:36,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:31:36,236 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness-1.i[4493,4506] [2021-12-15 12:31:36,243 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness-1.i[4553,4566] [2021-12-15 12:31:37,060 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,062 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,062 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,063 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,064 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,072 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,079 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,082 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,083 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,084 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,084 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,085 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,085 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,364 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:37,365 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:37,365 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:37,366 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:37,367 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:37,367 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:37,368 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:37,373 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:37,374 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:37,374 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:37,516 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:37,849 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,849 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,880 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,881 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,885 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,885 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,900 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,900 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,902 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,902 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,903 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,903 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,903 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,934 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:37,966 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:31:37,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness-1.i[4493,4506] [2021-12-15 12:31:37,985 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness-1.i[4553,4566] [2021-12-15 12:31:38,020 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,020 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,021 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,021 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,021 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,026 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,027 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,028 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,029 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,029 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,030 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,030 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,030 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,047 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:38,048 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:38,048 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:38,048 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:38,049 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:38,049 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:38,049 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:38,050 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:38,050 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:38,050 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:38,069 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:38,163 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,163 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,167 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,168 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,170 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,170 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,180 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,181 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,181 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,182 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,182 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,182 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,183 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:38,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:38,344 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:31:38,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:38 WrapperNode [2021-12-15 12:31:38,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:38,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:38,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:31:38,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:31:38,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:38" (1/1) ... [2021-12-15 12:31:38,462 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:38" (1/1) ... [2021-12-15 12:31:38,528 INFO L137 Inliner]: procedures = 774, calls = 2446, calls flagged for inlining = 67, calls inlined = 11, statements flattened = 624 [2021-12-15 12:31:38,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:38,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:31:38,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:31:38,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:31:38,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:38" (1/1) ... [2021-12-15 12:31:38,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:38" (1/1) ... [2021-12-15 12:31:38,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:38" (1/1) ... [2021-12-15 12:31:38,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:38" (1/1) ... [2021-12-15 12:31:38,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:38" (1/1) ... [2021-12-15 12:31:38,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:38" (1/1) ... [2021-12-15 12:31:38,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:38" (1/1) ... [2021-12-15 12:31:38,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:31:38,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:31:38,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:31:38,618 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:31:38,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:38" (1/1) ... [2021-12-15 12:31:38,624 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:38,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:31:38,660 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 12:31:38,672 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 12:31:38,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-15 12:31:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:31:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-15 12:31:38,694 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-15 12:31:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:31:38,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:31:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2021-12-15 12:31:38,694 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2021-12-15 12:31:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:31:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:31:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:31:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:31:38,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:31:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:31:38,694 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:31:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-15 12:31:38,694 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-15 12:31:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 12:31:38,695 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 12:31:38,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:31:38,695 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-12-15 12:31:38,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-12-15 12:31:38,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:31:38,695 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-15 12:31:38,695 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-15 12:31:38,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:31:38,699 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2021-12-15 12:31:38,699 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2021-12-15 12:31:38,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:31:38,699 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_begin [2021-12-15 12:31:38,699 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_begin [2021-12-15 12:31:38,700 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2021-12-15 12:31:38,700 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2021-12-15 12:31:38,700 INFO L130 BoogieDeclarations]: Found specification of procedure s_get_next_element [2021-12-15 12:31:38,700 INFO L138 BoogieDeclarations]: Found implementation of procedure s_get_next_element [2021-12-15 12:31:38,700 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:31:38,701 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:31:38,701 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2021-12-15 12:31:38,701 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2021-12-15 12:31:38,701 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2021-12-15 12:31:38,701 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2021-12-15 12:31:38,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:31:38,702 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-15 12:31:38,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-15 12:31:38,704 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-12-15 12:31:38,704 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-12-15 12:31:38,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:31:38,922 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:31:38,923 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:31:39,060 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !true; [2021-12-15 12:31:39,468 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:31:39,476 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:31:39,480 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-15 12:31:39,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:39 BoogieIcfgContainer [2021-12-15 12:31:39,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:31:39,484 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:31:39,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:31:39,486 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:31:39,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:31:35" (1/3) ... [2021-12-15 12:31:39,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f08e06b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:39, skipping insertion in model container [2021-12-15 12:31:39,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:38" (2/3) ... [2021-12-15 12:31:39,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f08e06b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:39, skipping insertion in model container [2021-12-15 12:31:39,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:39" (3/3) ... [2021-12-15 12:31:39,489 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_begin_harness-1.i [2021-12-15 12:31:39,493 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:31:39,493 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:31:39,537 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:31:39,541 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 12:31:39,542 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:31:39,556 INFO L276 IsEmpty]: Start isEmpty. Operand has 171 states, 114 states have (on average 1.2456140350877194) internal successors, (142), 113 states have internal predecessors, (142), 40 states have call successors, (40), 17 states have call predecessors, (40), 17 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2021-12-15 12:31:39,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-12-15 12:31:39,571 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:31:39,572 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:31:39,572 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:31:39,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:31:39,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1612502020, now seen corresponding path program 1 times [2021-12-15 12:31:39,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:31:39,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193247273] [2021-12-15 12:31:39,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:31:39,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:31:39,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:31:39,680 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 12:31:39,685 INFO L158 Benchmark]: Toolchain (without parser) took 3722.70ms. Allocated memory was 127.9MB in the beginning and 209.7MB in the end (delta: 81.8MB). Free memory was 87.7MB in the beginning and 129.6MB in the end (delta: -41.9MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2021-12-15 12:31:39,685 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 79.7MB. Free memory was 37.3MB in the beginning and 37.3MB in the end (delta: 37.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:31:39,688 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2381.76ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 87.4MB in the beginning and 61.9MB in the end (delta: 25.6MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. [2021-12-15 12:31:39,689 INFO L158 Benchmark]: Boogie Procedure Inliner took 184.44ms. Allocated memory is still 163.6MB. Free memory was 61.9MB in the beginning and 102.1MB in the end (delta: -40.3MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2021-12-15 12:31:39,689 INFO L158 Benchmark]: Boogie Preprocessor took 86.21ms. Allocated memory is still 163.6MB. Free memory was 102.1MB in the beginning and 94.8MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 12:31:39,689 INFO L158 Benchmark]: RCFGBuilder took 865.27ms. Allocated memory was 163.6MB in the beginning and 209.7MB in the end (delta: 46.1MB). Free memory was 94.8MB in the beginning and 144.3MB in the end (delta: -49.5MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2021-12-15 12:31:39,689 INFO L158 Benchmark]: TraceAbstraction took 199.09ms. Allocated memory is still 209.7MB. Free memory was 144.3MB in the beginning and 129.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:31:39,695 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 79.7MB. Free memory was 37.3MB in the beginning and 37.3MB in the end (delta: 37.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2381.76ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 87.4MB in the beginning and 61.9MB in the end (delta: 25.6MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 184.44ms. Allocated memory is still 163.6MB. Free memory was 61.9MB in the beginning and 102.1MB in the end (delta: -40.3MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.21ms. Allocated memory is still 163.6MB. Free memory was 102.1MB in the beginning and 94.8MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 865.27ms. Allocated memory was 163.6MB in the beginning and 209.7MB in the end (delta: 46.1MB). Free memory was 94.8MB in the beginning and 144.3MB in the end (delta: -49.5MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. * TraceAbstraction took 199.09ms. Allocated memory is still 209.7MB. Free memory was 144.3MB in the beginning and 129.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:31:39,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness-1.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 b875da017a84450a4103e052cdea13d2bfe14ebd5ef6946815ef19c566574bb1 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:31:41,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:31:41,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:31:41,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:31:41,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:31:41,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:31:41,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:31:41,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:31:41,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:31:41,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:31:41,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:31:41,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:31:41,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:31:41,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:31:41,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:31:41,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:31:41,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:31:41,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:31:41,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:31:41,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:31:41,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:31:41,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:31:41,437 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:31:41,438 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:31:41,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:31:41,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:31:41,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:31:41,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:31:41,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:31:41,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:31:41,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:31:41,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:31:41,447 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:31:41,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:31:41,448 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:31:41,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:31:41,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:31:41,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:31:41,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:31:41,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:31:41,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:31:41,451 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:31:41,479 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:31:41,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:31:41,480 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:31:41,480 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:31:41,481 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:31:41,481 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:31:41,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:31:41,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:31:41,482 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:31:41,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:31:41,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:31:41,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:31:41,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:31:41,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:31:41,484 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:31:41,484 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:31:41,484 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:31:41,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:31:41,484 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:31:41,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:31:41,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:31:41,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:31:41,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:31:41,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:41,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:31:41,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:31:41,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:31:41,485 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:31:41,486 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:31:41,486 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:31:41,486 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:31:41,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:31:41,486 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:31:41,486 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:31:41,486 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b875da017a84450a4103e052cdea13d2bfe14ebd5ef6946815ef19c566574bb1 [2021-12-15 12:31:41,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:31:41,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:31:41,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:31:41,756 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:31:41,757 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:31:41,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness-1.i [2021-12-15 12:31:41,821 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db95d0bac/79a106cc20eb437d989aa111db107c11/FLAGa89c48858 [2021-12-15 12:31:42,456 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:31:42,457 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness-1.i [2021-12-15 12:31:42,484 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db95d0bac/79a106cc20eb437d989aa111db107c11/FLAGa89c48858 [2021-12-15 12:31:42,585 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db95d0bac/79a106cc20eb437d989aa111db107c11 [2021-12-15 12:31:42,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:31:42,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:31:42,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:42,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:31:42,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:31:42,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:42" (1/1) ... [2021-12-15 12:31:42,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@634b4d90 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 12:31:42,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:42" (1/1) ... [2021-12-15 12:31:42,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:31:42,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:31:42,928 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness-1.i[4493,4506] [2021-12-15 12:31:42,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness-1.i[4553,4566] [2021-12-15 12:31:43,813 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,813 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,814 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,814 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,815 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,838 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,838 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,839 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,839 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,845 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,846 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,846 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,847 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,109 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:44,110 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:44,111 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:44,111 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:44,112 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:44,113 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:44,113 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:44,117 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:44,117 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:44,118 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:44,251 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:44,520 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,522 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,546 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,547 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,552 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,554 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,570 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,571 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,572 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,572 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,572 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,573 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,573 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,606 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:44,650 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:31:44,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:31:44,698 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness-1.i[4493,4506] [2021-12-15 12:31:44,699 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness-1.i[4553,4566] [2021-12-15 12:31:44,741 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,741 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,741 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,742 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,742 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,745 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,746 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,748 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,748 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,749 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,750 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,751 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,751 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,774 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:44,775 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:44,775 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:44,776 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:44,776 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:44,776 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:44,777 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:44,777 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:44,777 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:44,777 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:44,795 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:44,875 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,875 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,892 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,893 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,895 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,895 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,903 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,904 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,905 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,905 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,905 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,905 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,906 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,919 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:44,950 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:31:44,966 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness-1.i[4493,4506] [2021-12-15 12:31:44,967 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness-1.i[4553,4566] [2021-12-15 12:31:44,991 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,991 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,991 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,992 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,992 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,995 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,995 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,996 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,996 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,997 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,998 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,998 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,998 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,038 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:45,039 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:45,039 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:45,040 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:45,040 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:45,040 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:45,041 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:45,042 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:45,042 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:45,042 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:45,053 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:45,108 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,108 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,115 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,117 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,119 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,120 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,129 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,129 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,130 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,130 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,130 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,131 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,131 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:45,144 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:45,326 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:31:45,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:45 WrapperNode [2021-12-15 12:31:45,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:45,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:45,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:31:45,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:31:45,332 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 12:31:45,435 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 12:31:45,517 INFO L137 Inliner]: procedures = 794, calls = 2446, calls flagged for inlining = 69, calls inlined = 11, statements flattened = 619 [2021-12-15 12:31:45,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:45,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:31:45,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:31:45,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:31:45,532 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 12:31:45,532 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 12:31:45,544 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 12:31:45,545 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 12:31:45,574 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 12:31:45,590 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 12:31:45,597 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 12:31:45,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:31:45,618 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:31:45,618 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:31:45,618 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:31:45,619 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 12:31:45,624 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:45,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:31:45,644 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 12:31:45,655 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 12:31:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-15 12:31:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-15 12:31:45,680 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-15 12:31:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:31:45,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:31:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2021-12-15 12:31:45,681 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2021-12-15 12:31:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:31:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:31:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:31:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:31:45,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:31:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:31:45,681 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:31:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-15 12:31:45,681 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-15 12:31:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 12:31:45,681 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 12:31:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:31:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-12-15 12:31:45,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-12-15 12:31:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:31:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-15 12:31:45,681 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-15 12:31:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2021-12-15 12:31:45,681 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2021-12-15 12:31:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:31:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:31:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:31:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 12:31:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_begin [2021-12-15 12:31:45,682 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_begin [2021-12-15 12:31:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2021-12-15 12:31:45,682 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2021-12-15 12:31:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:31:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:31:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:31:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure s_get_next_element [2021-12-15 12:31:45,682 INFO L138 BoogieDeclarations]: Found implementation of procedure s_get_next_element [2021-12-15 12:31:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:31:45,682 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:31:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2021-12-15 12:31:45,682 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2021-12-15 12:31:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:31:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:31:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:31:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2021-12-15 12:31:45,683 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2021-12-15 12:31:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:31:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-15 12:31:45,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-15 12:31:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-12-15 12:31:45,683 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-12-15 12:31:45,946 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:31:45,948 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:31:46,148 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !true; [2021-12-15 12:31:48,036 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:31:48,040 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:31:48,041 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-15 12:31:48,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:48 BoogieIcfgContainer [2021-12-15 12:31:48,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:31:48,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:31:48,044 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:31:48,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:31:48,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:31:42" (1/3) ... [2021-12-15 12:31:48,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dadb815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:48, skipping insertion in model container [2021-12-15 12:31:48,046 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 12:31:48,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dadb815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:48, skipping insertion in model container [2021-12-15 12:31:48,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:48" (3/3) ... [2021-12-15 12:31:48,048 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_begin_harness-1.i [2021-12-15 12:31:48,051 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:31:48,051 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:31:48,081 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:31:48,085 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 12:31:48,085 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:31:48,098 INFO L276 IsEmpty]: Start isEmpty. Operand has 167 states, 110 states have (on average 1.2545454545454546) internal successors, (138), 109 states have internal predecessors, (138), 40 states have call successors, (40), 17 states have call predecessors, (40), 17 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2021-12-15 12:31:48,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-12-15 12:31:48,106 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:31:48,106 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:31:48,107 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:31:48,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:31:48,111 INFO L85 PathProgramCache]: Analyzing trace with hash -879845289, now seen corresponding path program 1 times [2021-12-15 12:31:48,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:31:48,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1579594393] [2021-12-15 12:31:48,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:31:48,123 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:31:48,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:31:48,125 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 12:31:48,126 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 12:31:48,226 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 12:31:48,424 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 12:31:48,425 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 12:31:48,429 INFO L158 Benchmark]: Toolchain (without parser) took 5838.66ms. Allocated memory was 56.6MB in the beginning and 253.8MB in the end (delta: 197.1MB). Free memory was 25.9MB in the beginning and 136.8MB in the end (delta: -111.0MB). Peak memory consumption was 85.3MB. Max. memory is 16.1GB. [2021-12-15 12:31:48,430 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 39.1MB in the beginning and 39.1MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:31:48,431 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2734.00ms. Allocated memory was 56.6MB in the beginning and 136.3MB in the end (delta: 79.7MB). Free memory was 25.6MB in the beginning and 69.4MB in the end (delta: -43.8MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2021-12-15 12:31:48,431 INFO L158 Benchmark]: Boogie Procedure Inliner took 190.63ms. Allocated memory is still 136.3MB. Free memory was 69.1MB in the beginning and 57.7MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:31:48,431 INFO L158 Benchmark]: Boogie Preprocessor took 98.63ms. Allocated memory is still 136.3MB. Free memory was 57.7MB in the beginning and 49.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:31:48,432 INFO L158 Benchmark]: RCFGBuilder took 2424.22ms. Allocated memory was 136.3MB in the beginning and 253.8MB in the end (delta: 117.4MB). Free memory was 49.3MB in the beginning and 155.5MB in the end (delta: -106.1MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2021-12-15 12:31:48,432 INFO L158 Benchmark]: TraceAbstraction took 384.88ms. Allocated memory is still 253.8MB. Free memory was 155.5MB in the beginning and 136.8MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 12:31:48,434 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 56.6MB. Free memory was 39.1MB in the beginning and 39.1MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2734.00ms. Allocated memory was 56.6MB in the beginning and 136.3MB in the end (delta: 79.7MB). Free memory was 25.6MB in the beginning and 69.4MB in the end (delta: -43.8MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 190.63ms. Allocated memory is still 136.3MB. Free memory was 69.1MB in the beginning and 57.7MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.63ms. Allocated memory is still 136.3MB. Free memory was 57.7MB in the beginning and 49.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2424.22ms. Allocated memory was 136.3MB in the beginning and 253.8MB in the end (delta: 117.4MB). Free memory was 49.3MB in the beginning and 155.5MB in the end (delta: -106.1MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * TraceAbstraction took 384.88ms. Allocated memory is still 253.8MB. Free memory was 155.5MB in the beginning and 136.8MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. 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 12:31:48,466 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable