./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b2aa49e297f60cfce052f243c4868c3f21a4b7a15679d0734b9f9fae5c35ea17 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:31:44,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:31:44,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:31:44,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:31:44,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:31:44,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:31:44,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:31:44,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:31:44,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:31:44,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:31:44,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:31:44,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:31:44,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:31:44,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:31:44,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:31:44,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:31:44,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:31:44,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:31:44,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:31:44,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:31:44,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:31:44,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:31:44,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:31:44,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:31:44,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:31:44,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:31:44,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:31:44,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:31:44,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:31:44,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:31:44,811 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:31:44,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:31:44,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:31:44,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:31:44,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:31:44,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:31:44,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:31:44,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:31:44,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:31:44,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:31:44,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:31:44,817 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:31:44,846 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:31:44,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:31:44,846 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:31:44,846 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:31:44,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:31:44,848 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:31:44,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:31:44,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:31:44,848 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:31:44,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:31:44,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:31:44,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:31:44,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:31:44,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:31:44,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:31:44,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:31:44,850 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:31:44,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:31:44,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:31:44,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:31:44,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:31:44,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:44,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:31:44,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:31:44,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:31:44,855 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:31:44,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:31:44,856 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:31:44,856 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:31:44,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:31:44,856 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:31:44,856 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2aa49e297f60cfce052f243c4868c3f21a4b7a15679d0734b9f9fae5c35ea17 [2021-12-15 12:31:45,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:31:45,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:31:45,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:31:45,070 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:31:45,071 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:31:45,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i [2021-12-15 12:31:45,136 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b411f8581/a46ad378ddbc4348a097cd0cd0edc450/FLAGa32523bf1 [2021-12-15 12:31:45,722 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:31:45,722 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i [2021-12-15 12:31:45,750 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b411f8581/a46ad378ddbc4348a097cd0cd0edc450/FLAGa32523bf1 [2021-12-15 12:31:45,919 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b411f8581/a46ad378ddbc4348a097cd0cd0edc450 [2021-12-15 12:31:45,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:31:45,923 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:31:45,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:45,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:31:45,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:31:45,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:45" (1/1) ... [2021-12-15 12:31:45,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11eec9c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:45, skipping insertion in model container [2021-12-15 12:31:45,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:45" (1/1) ... [2021-12-15 12:31:45,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:31:46,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:31:46,286 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_table_find_harness.i[4493,4506] [2021-12-15 12:31:46,293 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_table_find_harness.i[4553,4566] [2021-12-15 12:31:46,893 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,894 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,895 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,895 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,896 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,904 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,905 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,906 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,907 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,909 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,909 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,910 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:46,910 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,156 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:47,157 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:47,158 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:47,158 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:47,159 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:47,160 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:47,160 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:47,161 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:47,162 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:47,164 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:47,369 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:47,607 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,608 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,621 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,623 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,627 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,628 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,640 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,641 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,642 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,643 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,643 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,643 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,643 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:47,711 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:31:47,734 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_table_find_harness.i[4493,4506] [2021-12-15 12:31:47,735 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_table_find_harness.i[4553,4566] [2021-12-15 12:31:47,758 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,761 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,762 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,762 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,762 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,768 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,768 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,769 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,769 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,770 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,770 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,770 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,770 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,804 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:47,805 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:47,806 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:47,806 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:47,807 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:47,807 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:47,807 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:47,808 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:47,808 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:47,808 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:47,827 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:47,886 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,887 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,891 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,891 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,893 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,893 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,901 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,902 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,902 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,903 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,903 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,904 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,904 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:47,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:48,121 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:31:48,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:48 WrapperNode [2021-12-15 12:31:48,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:48,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:48,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:31:48,123 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:31:48,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:48" (1/1) ... [2021-12-15 12:31:48,228 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:48" (1/1) ... [2021-12-15 12:31:48,298 INFO L137 Inliner]: procedures = 774, calls = 2455, calls flagged for inlining = 69, calls inlined = 20, statements flattened = 838 [2021-12-15 12:31:48,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:48,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:31:48,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:31:48,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:31:48,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:48" (1/1) ... [2021-12-15 12:31:48,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:48" (1/1) ... [2021-12-15 12:31:48,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:48" (1/1) ... [2021-12-15 12:31:48,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:48" (1/1) ... [2021-12-15 12:31:48,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:48" (1/1) ... [2021-12-15 12:31:48,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:48" (1/1) ... [2021-12-15 12:31:48,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:48" (1/1) ... [2021-12-15 12:31:48,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:31:48,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:31:48,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:31:48,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:31:48,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:48" (1/1) ... [2021-12-15 12:31:48,389 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:48,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:31:48,413 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 12:31:48,421 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 12:31:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-15 12:31:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:31:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-15 12:31:48,446 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-15 12:31:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:31:48,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:31:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2021-12-15 12:31:48,446 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2021-12-15 12:31:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:31:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:31:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:31:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:31:48,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:31:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:31:48,447 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:31:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-15 12:31:48,448 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-15 12:31:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:31:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-12-15 12:31:48,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-12-15 12:31:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:31:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-15 12:31:48,448 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-15 12:31:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_find [2021-12-15 12:31:48,449 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_find [2021-12-15 12:31:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:31:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2021-12-15 12:31:48,449 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2021-12-15 12:31:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2021-12-15 12:31:48,449 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2021-12-15 12:31:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2021-12-15 12:31:48,450 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2021-12-15 12:31:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2021-12-15 12:31:48,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2021-12-15 12:31:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:31:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2021-12-15 12:31:48,451 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2021-12-15 12:31:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2021-12-15 12:31:48,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2021-12-15 12:31:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2021-12-15 12:31:48,451 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2021-12-15 12:31:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2021-12-15 12:31:48,452 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2021-12-15 12:31:48,454 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:31:48,454 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:31:48,454 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2021-12-15 12:31:48,454 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2021-12-15 12:31:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:31:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-15 12:31:48,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-15 12:31:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-12-15 12:31:48,456 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-12-15 12:31:48,463 INFO L130 BoogieDeclarations]: Found specification of procedure uninterpreted_equals [2021-12-15 12:31:48,463 INFO L138 BoogieDeclarations]: Found implementation of procedure uninterpreted_equals [2021-12-15 12:31:48,463 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-15 12:31:48,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-15 12:31:48,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:31:48,844 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:31:48,856 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:31:48,945 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !true; [2021-12-15 12:31:48,966 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !true; [2021-12-15 12:31:49,071 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !true; [2021-12-15 12:31:49,290 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:31:49,295 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:31:49,296 INFO L301 CfgBuilder]: Removed 7 assume(true) statements. [2021-12-15 12:31:49,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:49 BoogieIcfgContainer [2021-12-15 12:31:49,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:31:49,298 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:31:49,298 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:31:49,300 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:31:49,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:31:45" (1/3) ... [2021-12-15 12:31:49,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@630bd5c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:49, skipping insertion in model container [2021-12-15 12:31:49,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:48" (2/3) ... [2021-12-15 12:31:49,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@630bd5c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:49, skipping insertion in model container [2021-12-15 12:31:49,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:49" (3/3) ... [2021-12-15 12:31:49,302 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_table_find_harness.i [2021-12-15 12:31:49,306 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:31:49,306 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:31:49,335 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:31:49,339 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 12:31:49,339 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:31:49,353 INFO L276 IsEmpty]: Start isEmpty. Operand has 246 states, 157 states have (on average 1.2101910828025477) internal successors, (190), 155 states have internal predecessors, (190), 68 states have call successors, (68), 22 states have call predecessors, (68), 22 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2021-12-15 12:31:49,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-12-15 12:31:49,361 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:31:49,361 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:31:49,362 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:31:49,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:31:49,365 INFO L85 PathProgramCache]: Analyzing trace with hash 2109277801, now seen corresponding path program 1 times [2021-12-15 12:31:49,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:31:49,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236077955] [2021-12-15 12:31:49,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:31:49,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:31:49,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:31:49,450 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 12:31:49,454 INFO L158 Benchmark]: Toolchain (without parser) took 3531.03ms. Allocated memory was 86.0MB in the beginning and 190.8MB in the end (delta: 104.9MB). Free memory was 59.7MB in the beginning and 72.4MB in the end (delta: -12.6MB). Peak memory consumption was 92.2MB. Max. memory is 16.1GB. [2021-12-15 12:31:49,455 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 86.0MB. Free memory was 42.3MB in the beginning and 42.3MB in the end (delta: 34.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:31:49,455 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2197.07ms. Allocated memory was 86.0MB in the beginning and 190.8MB in the end (delta: 104.9MB). Free memory was 59.7MB in the beginning and 87.3MB in the end (delta: -27.5MB). Peak memory consumption was 81.5MB. Max. memory is 16.1GB. [2021-12-15 12:31:49,456 INFO L158 Benchmark]: Boogie Procedure Inliner took 176.42ms. Allocated memory is still 190.8MB. Free memory was 87.3MB in the beginning and 127.8MB in the end (delta: -40.6MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2021-12-15 12:31:49,456 INFO L158 Benchmark]: Boogie Preprocessor took 81.05ms. Allocated memory is still 190.8MB. Free memory was 127.8MB in the beginning and 120.5MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:31:49,456 INFO L158 Benchmark]: RCFGBuilder took 914.60ms. Allocated memory is still 190.8MB. Free memory was 120.5MB in the beginning and 88.1MB in the end (delta: 32.4MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2021-12-15 12:31:49,457 INFO L158 Benchmark]: TraceAbstraction took 155.12ms. Allocated memory is still 190.8MB. Free memory was 87.0MB in the beginning and 72.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:31:49,458 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 86.0MB. Free memory was 42.3MB in the beginning and 42.3MB in the end (delta: 34.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2197.07ms. Allocated memory was 86.0MB in the beginning and 190.8MB in the end (delta: 104.9MB). Free memory was 59.7MB in the beginning and 87.3MB in the end (delta: -27.5MB). Peak memory consumption was 81.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 176.42ms. Allocated memory is still 190.8MB. Free memory was 87.3MB in the beginning and 127.8MB in the end (delta: -40.6MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.05ms. Allocated memory is still 190.8MB. Free memory was 127.8MB in the beginning and 120.5MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 914.60ms. Allocated memory is still 190.8MB. Free memory was 120.5MB in the beginning and 88.1MB in the end (delta: 32.4MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. * TraceAbstraction took 155.12ms. Allocated memory is still 190.8MB. Free memory was 87.0MB in the beginning and 72.4MB 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 12:31:49,495 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b2aa49e297f60cfce052f243c4868c3f21a4b7a15679d0734b9f9fae5c35ea17 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:31:51,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:31:51,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:31:51,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:31:51,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:31:51,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:31:51,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:31:51,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:31:51,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:31:51,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:31:51,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:31:51,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:31:51,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:31:51,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:31:51,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:31:51,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:31:51,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:31:51,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:31:51,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:31:51,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:31:51,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:31:51,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:31:51,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:31:51,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:31:51,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:31:51,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:31:51,594 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:31:51,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:31:51,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:31:51,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:31:51,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:31:51,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:31:51,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:31:51,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:31:51,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:31:51,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:31:51,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:31:51,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:31:51,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:31:51,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:31:51,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:31:51,615 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:31:51,653 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:31:51,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:31:51,658 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:31:51,658 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:31:51,659 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:31:51,659 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:31:51,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:31:51,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:31:51,661 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:31:51,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:31:51,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:31:51,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:31:51,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:31:51,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:31:51,663 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:31:51,663 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:31:51,663 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:31:51,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:31:51,664 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:31:51,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:31:51,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:31:51,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:31:51,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:31:51,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:51,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:31:51,670 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:31:51,670 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:31:51,671 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:31:51,671 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:31:51,671 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:31:51,671 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:31:51,671 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:31:51,672 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:31:51,672 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:31:51,672 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2aa49e297f60cfce052f243c4868c3f21a4b7a15679d0734b9f9fae5c35ea17 [2021-12-15 12:31:51,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:31:51,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:31:51,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:31:51,968 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:31:51,968 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:31:51,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i [2021-12-15 12:31:52,013 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/141f06aa7/49140d215195488b81bbb33f64ab5fcc/FLAGc2b89c306 [2021-12-15 12:31:52,618 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:31:52,619 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i [2021-12-15 12:31:52,648 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/141f06aa7/49140d215195488b81bbb33f64ab5fcc/FLAGc2b89c306 [2021-12-15 12:31:53,042 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/141f06aa7/49140d215195488b81bbb33f64ab5fcc [2021-12-15 12:31:53,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:31:53,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:31:53,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:53,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:31:53,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:31:53,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:53" (1/1) ... [2021-12-15 12:31:53,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ebd5800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:53, skipping insertion in model container [2021-12-15 12:31:53,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:53" (1/1) ... [2021-12-15 12:31:53,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:31:53,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:31:53,370 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_table_find_harness.i[4493,4506] [2021-12-15 12:31:53,376 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_table_find_harness.i[4553,4566] [2021-12-15 12:31:54,155 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:54,156 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:54,156 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:54,157 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:54,157 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:54,179 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:54,179 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:54,180 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:54,181 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:54,182 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:54,182 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:54,183 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:54,183 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:54,483 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:54,484 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:54,487 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:54,488 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:54,489 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:54,489 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:54,490 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:54,490 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:54,491 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:54,491 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:54,597 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:54,829 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:54,830 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:54,843 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:54,844 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:54,848 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:54,848 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:54,889 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:54,889 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:54,890 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:54,890 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:54,890 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:54,890 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:54,891 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:54,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:54,968 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:31:55,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:31:55,015 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_table_find_harness.i[4493,4506] [2021-12-15 12:31:55,016 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_table_find_harness.i[4553,4566] [2021-12-15 12:31:55,082 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,082 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,083 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,083 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,083 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,090 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,092 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,093 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,093 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,094 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,094 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,095 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,095 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,121 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:55,122 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:55,122 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:55,123 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:55,123 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:55,124 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:55,124 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:55,124 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:55,125 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:55,125 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:55,146 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:55,244 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,245 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,249 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,250 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,251 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,251 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,266 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,267 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,267 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,267 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,268 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,268 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,268 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,300 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:55,310 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:31:55,329 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_table_find_harness.i[4493,4506] [2021-12-15 12:31:55,329 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_table_find_harness.i[4553,4566] [2021-12-15 12:31:55,360 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,361 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,361 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,362 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,362 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,366 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,367 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,367 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,368 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,368 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,369 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,369 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,369 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,387 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:55,387 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:55,388 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:55,388 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:55,389 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:55,390 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:55,390 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:55,390 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:55,390 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:55,391 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:55,402 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:55,462 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,463 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,468 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,469 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,471 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,471 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,477 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,478 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,478 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,478 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,479 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,479 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,479 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:55,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:55,747 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:31:55,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:55 WrapperNode [2021-12-15 12:31:55,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:55,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:55,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:31:55,749 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:31:55,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:55" (1/1) ... [2021-12-15 12:31:55,859 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:55" (1/1) ... [2021-12-15 12:31:55,925 INFO L137 Inliner]: procedures = 794, calls = 2455, calls flagged for inlining = 71, calls inlined = 19, statements flattened = 824 [2021-12-15 12:31:55,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:55,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:31:55,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:31:55,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:31:55,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:55" (1/1) ... [2021-12-15 12:31:55,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:55" (1/1) ... [2021-12-15 12:31:55,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:55" (1/1) ... [2021-12-15 12:31:55,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:55" (1/1) ... [2021-12-15 12:31:56,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:55" (1/1) ... [2021-12-15 12:31:56,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:55" (1/1) ... [2021-12-15 12:31:56,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:55" (1/1) ... [2021-12-15 12:31:56,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:31:56,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:31:56,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:31:56,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:31:56,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:55" (1/1) ... [2021-12-15 12:31:56,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:56,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:31:56,180 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 12:31:56,186 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 12:31:56,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-15 12:31:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-15 12:31:56,210 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-15 12:31:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:31:56,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:31:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2021-12-15 12:31:56,210 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2021-12-15 12:31:56,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:31:56,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:31:56,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:31:56,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:31:56,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:31:56,211 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:31:56,211 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:31:56,211 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-15 12:31:56,212 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-15 12:31:56,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:31:56,212 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-12-15 12:31:56,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-12-15 12:31:56,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:31:56,212 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-15 12:31:56,212 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-15 12:31:56,212 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_find [2021-12-15 12:31:56,213 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_find [2021-12-15 12:31:56,213 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2021-12-15 12:31:56,213 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2021-12-15 12:31:56,213 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2021-12-15 12:31:56,213 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2021-12-15 12:31:56,213 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2021-12-15 12:31:56,213 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2021-12-15 12:31:56,213 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2021-12-15 12:31:56,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2021-12-15 12:31:56,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:31:56,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:31:56,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:31:56,214 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2021-12-15 12:31:56,214 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2021-12-15 12:31:56,214 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2021-12-15 12:31:56,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2021-12-15 12:31:56,214 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2021-12-15 12:31:56,215 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2021-12-15 12:31:56,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:31:56,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:31:56,215 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2021-12-15 12:31:56,215 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2021-12-15 12:31:56,215 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:31:56,215 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:31:56,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:31:56,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:31:56,216 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2021-12-15 12:31:56,216 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2021-12-15 12:31:56,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:31:56,216 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-15 12:31:56,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-15 12:31:56,216 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-12-15 12:31:56,216 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-12-15 12:31:56,217 INFO L130 BoogieDeclarations]: Found specification of procedure uninterpreted_equals [2021-12-15 12:31:56,217 INFO L138 BoogieDeclarations]: Found implementation of procedure uninterpreted_equals [2021-12-15 12:31:56,442 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:31:56,443 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:31:56,542 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !true; [2021-12-15 12:31:56,630 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !true; [2021-12-15 12:31:56,999 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !true; [2021-12-15 12:31:57,566 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:31:57,572 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:31:57,573 INFO L301 CfgBuilder]: Removed 7 assume(true) statements. [2021-12-15 12:31:57,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:57 BoogieIcfgContainer [2021-12-15 12:31:57,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:31:57,575 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:31:57,575 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:31:57,581 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:31:57,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:31:53" (1/3) ... [2021-12-15 12:31:57,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b077286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:57, skipping insertion in model container [2021-12-15 12:31:57,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:55" (2/3) ... [2021-12-15 12:31:57,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b077286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:57, skipping insertion in model container [2021-12-15 12:31:57,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:57" (3/3) ... [2021-12-15 12:31:57,583 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_table_find_harness.i [2021-12-15 12:31:57,587 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:31:57,587 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:31:57,633 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:31:57,638 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 12:31:57,639 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:31:57,657 INFO L276 IsEmpty]: Start isEmpty. Operand has 231 states, 146 states have (on average 1.2191780821917808) internal successors, (178), 144 states have internal predecessors, (178), 65 states have call successors, (65), 21 states have call predecessors, (65), 21 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2021-12-15 12:31:57,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-12-15 12:31:57,673 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:31:57,674 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:31:57,675 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:31:57,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:31:57,680 INFO L85 PathProgramCache]: Analyzing trace with hash -501442740, now seen corresponding path program 1 times [2021-12-15 12:31:57,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:31:57,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [495392508] [2021-12-15 12:31:57,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:31:57,694 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:31:57,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:31:57,699 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 12:31:57,700 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 12:31:57,819 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-15 12:31:58,007 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 12:31:58,008 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 12:31:58,019 INFO L158 Benchmark]: Toolchain (without parser) took 4965.75ms. Allocated memory was 50.3MB in the beginning and 247.5MB in the end (delta: 197.1MB). Free memory was 26.9MB in the beginning and 68.5MB in the end (delta: -41.6MB). Peak memory consumption was 155.2MB. Max. memory is 16.1GB. [2021-12-15 12:31:58,020 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 50.3MB. Free memory was 32.3MB in the beginning and 32.3MB in the end (delta: 36.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:31:58,021 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2699.79ms. Allocated memory was 50.3MB in the beginning and 247.5MB in the end (delta: 197.1MB). Free memory was 26.8MB in the beginning and 176.7MB in the end (delta: -149.9MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2021-12-15 12:31:58,021 INFO L158 Benchmark]: Boogie Procedure Inliner took 177.38ms. Allocated memory is still 247.5MB. Free memory was 176.7MB in the beginning and 165.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:31:58,021 INFO L158 Benchmark]: Boogie Preprocessor took 180.26ms. Allocated memory is still 247.5MB. Free memory was 165.1MB in the beginning and 155.7MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:31:58,024 INFO L158 Benchmark]: RCFGBuilder took 1466.56ms. Allocated memory is still 247.5MB. Free memory was 155.7MB in the beginning and 88.2MB in the end (delta: 67.6MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2021-12-15 12:31:58,024 INFO L158 Benchmark]: TraceAbstraction took 436.01ms. Allocated memory is still 247.5MB. Free memory was 88.2MB in the beginning and 68.5MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 12:31:58,027 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 50.3MB. Free memory was 32.3MB in the beginning and 32.3MB in the end (delta: 36.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2699.79ms. Allocated memory was 50.3MB in the beginning and 247.5MB in the end (delta: 197.1MB). Free memory was 26.8MB in the beginning and 176.7MB in the end (delta: -149.9MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 177.38ms. Allocated memory is still 247.5MB. Free memory was 176.7MB in the beginning and 165.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 180.26ms. Allocated memory is still 247.5MB. Free memory was 165.1MB in the beginning and 155.7MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1466.56ms. Allocated memory is still 247.5MB. Free memory was 155.7MB in the beginning and 88.2MB in the end (delta: 67.6MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. * TraceAbstraction took 436.01ms. Allocated memory is still 247.5MB. Free memory was 88.2MB in the beginning and 68.5MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. 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 12:31:58,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable