./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_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_byte_cursor_ptr_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 ab48078691743837960e369bd318845908490844fac300de97818a03fa84d8a1 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:31:26,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:31:26,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:31:26,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:31:26,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:31:26,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:31:26,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:31:26,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:31:26,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:31:26,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:31:26,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:31:26,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:31:26,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:31:26,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:31:26,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:31:26,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:31:26,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:31:26,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:31:26,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:31:26,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:31:26,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:31:26,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:31:26,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:31:26,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:31:26,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:31:26,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:31:26,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:31:26,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:31:26,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:31:26,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:31:26,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:31:26,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:31:26,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:31:26,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:31:26,870 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:31:26,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:31:26,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:31:26,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:31:26,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:31:26,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:31:26,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:31:26,875 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:31:26,905 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:31:26,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:31:26,908 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:31:26,908 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:31:26,909 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:31:26,909 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:31:26,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:31:26,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:31:26,910 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:31:26,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:31:26,911 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:31:26,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:31:26,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:31:26,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:31:26,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:31:26,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:31:26,912 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:31:26,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:31:26,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:31:26,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:31:26,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:31:26,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:26,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:31:26,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:31:26,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:31:26,914 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:31:26,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:31:26,915 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:31:26,915 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:31:26,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:31:26,916 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:31:26,916 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab48078691743837960e369bd318845908490844fac300de97818a03fa84d8a1 [2021-12-15 12:31:27,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:31:27,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:31:27,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:31:27,106 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:31:27,107 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:31:27,108 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness.i [2021-12-15 12:31:27,155 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bde788c94/1500829408e54963ad5777a5d3bb5264/FLAG6ba7ffe6f [2021-12-15 12:31:27,714 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:31:27,714 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness.i [2021-12-15 12:31:27,752 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bde788c94/1500829408e54963ad5777a5d3bb5264/FLAG6ba7ffe6f [2021-12-15 12:31:27,874 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bde788c94/1500829408e54963ad5777a5d3bb5264 [2021-12-15 12:31:27,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:31:27,877 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:31:27,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:27,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:31:27,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:31:27,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:27" (1/1) ... [2021-12-15 12:31:27,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7277c264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:27, skipping insertion in model container [2021-12-15 12:31:27,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:27" (1/1) ... [2021-12-15 12:31:27,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:31:27,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:31:28,237 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_byte_cursor_ptr_harness.i[4498,4511] [2021-12-15 12:31:28,243 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness.i[4558,4571] [2021-12-15 12:31:28,903 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:28,904 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:28,904 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:28,905 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:28,906 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:28,913 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:28,916 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:28,917 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:28,918 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,195 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:29,196 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:29,197 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:29,198 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:29,201 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:29,203 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:29,204 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:29,205 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:29,206 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:29,207 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:29,325 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:29,406 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,428 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,661 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,661 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,683 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,684 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,688 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,688 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,701 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,702 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,703 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,703 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,704 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,704 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,705 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:29,783 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:31:29,802 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_byte_cursor_ptr_harness.i[4498,4511] [2021-12-15 12:31:29,802 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_byte_cursor_ptr_harness.i[4558,4571] [2021-12-15 12:31:29,821 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,821 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,821 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,821 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,822 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,826 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,828 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,828 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,830 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,852 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:29,852 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:29,853 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:29,853 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:29,853 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:29,854 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:29,854 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:29,855 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:29,855 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:29,855 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:29,873 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:29,902 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,904 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,987 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,987 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,991 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,992 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,994 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:29,995 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:30,000 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:30,000 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:30,001 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:30,001 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:30,001 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:30,002 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:30,002 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:30,017 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:30,168 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:31:30,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:30 WrapperNode [2021-12-15 12:31:30,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:30,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:30,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:31:30,170 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:31:30,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:30" (1/1) ... [2021-12-15 12:31:30,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:30" (1/1) ... [2021-12-15 12:31:30,344 INFO L137 Inliner]: procedures = 776, calls = 3576, calls flagged for inlining = 77, calls inlined = 6, statements flattened = 787 [2021-12-15 12:31:30,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:30,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:31:30,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:31:30,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:31:30,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:30" (1/1) ... [2021-12-15 12:31:30,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:30" (1/1) ... [2021-12-15 12:31:30,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:30" (1/1) ... [2021-12-15 12:31:30,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:30" (1/1) ... [2021-12-15 12:31:30,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:30" (1/1) ... [2021-12-15 12:31:30,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:30" (1/1) ... [2021-12-15 12:31:30,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:30" (1/1) ... [2021-12-15 12:31:30,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:31:30,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:31:30,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:31:30,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:31:30,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:30" (1/1) ... [2021-12-15 12:31:30,453 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:30,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:31:30,469 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 12:31:30,492 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 12:31:30,496 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-15 12:31:30,497 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-15 12:31:30,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:31:30,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:31:30,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:31:30,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:31:30,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:31:30,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:31:30,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:31:30,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:31:30,498 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:31:30,499 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:31:30,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:31:30,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:31:30,499 INFO L130 BoogieDeclarations]: Found specification of procedure hashlittle2 [2021-12-15 12:31:30,499 INFO L138 BoogieDeclarations]: Found implementation of procedure hashlittle2 [2021-12-15 12:31:30,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:31:30,499 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2021-12-15 12:31:30,500 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2021-12-15 12:31:30,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:31:30,500 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:31:30,500 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:31:30,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:31:30,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:31:30,711 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:31:30,712 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:31:31,243 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !true; [2021-12-15 12:31:31,249 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:31:31,254 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:31:31,255 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-15 12:31:31,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:31 BoogieIcfgContainer [2021-12-15 12:31:31,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:31:31,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:31:31,257 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:31:31,260 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:31:31,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:31:27" (1/3) ... [2021-12-15 12:31:31,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dd3d374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:31, skipping insertion in model container [2021-12-15 12:31:31,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:30" (2/3) ... [2021-12-15 12:31:31,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dd3d374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:31, skipping insertion in model container [2021-12-15 12:31:31,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:31" (3/3) ... [2021-12-15 12:31:31,262 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_byte_cursor_ptr_harness.i [2021-12-15 12:31:31,265 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:31:31,266 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:31:31,296 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:31:31,301 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 12:31:31,301 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:31:31,313 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 114 states have (on average 1.5087719298245614) internal successors, (172), 114 states have internal predecessors, (172), 13 states have call successors, (13), 6 states have call predecessors, (13), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-12-15 12:31:31,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-15 12:31:31,320 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:31:31,321 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:31:31,321 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:31:31,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:31:31,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1196197405, now seen corresponding path program 1 times [2021-12-15 12:31:31,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:31:31,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027917144] [2021-12-15 12:31:31,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:31:31,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:31:31,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:31:31,433 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 12:31:31,439 INFO L158 Benchmark]: Toolchain (without parser) took 3561.65ms. Allocated memory was 115.3MB in the beginning and 249.6MB in the end (delta: 134.2MB). Free memory was 78.4MB in the beginning and 174.9MB in the end (delta: -96.5MB). Peak memory consumption was 138.8MB. Max. memory is 16.1GB. [2021-12-15 12:31:31,440 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 115.3MB. Free memory was 72.9MB in the beginning and 72.9MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:31:31,443 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2290.49ms. Allocated memory was 115.3MB in the beginning and 249.6MB in the end (delta: 134.2MB). Free memory was 78.4MB in the beginning and 181.1MB in the end (delta: -102.7MB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB. [2021-12-15 12:31:31,443 INFO L158 Benchmark]: Boogie Procedure Inliner took 175.47ms. Allocated memory is still 249.6MB. Free memory was 181.1MB in the beginning and 167.4MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:31:31,443 INFO L158 Benchmark]: Boogie Preprocessor took 95.61ms. Allocated memory is still 249.6MB. Free memory was 167.4MB in the beginning and 159.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:31:31,444 INFO L158 Benchmark]: RCFGBuilder took 814.45ms. Allocated memory is still 249.6MB. Free memory was 159.0MB in the beginning and 89.4MB in the end (delta: 69.6MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2021-12-15 12:31:31,444 INFO L158 Benchmark]: TraceAbstraction took 180.38ms. Allocated memory is still 249.6MB. Free memory was 88.4MB in the beginning and 174.9MB in the end (delta: -86.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:31:31,450 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 115.3MB. Free memory was 72.9MB in the beginning and 72.9MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2290.49ms. Allocated memory was 115.3MB in the beginning and 249.6MB in the end (delta: 134.2MB). Free memory was 78.4MB in the beginning and 181.1MB in the end (delta: -102.7MB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 175.47ms. Allocated memory is still 249.6MB. Free memory was 181.1MB in the beginning and 167.4MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.61ms. Allocated memory is still 249.6MB. Free memory was 167.4MB in the beginning and 159.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 814.45ms. Allocated memory is still 249.6MB. Free memory was 159.0MB in the beginning and 89.4MB in the end (delta: 69.6MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * TraceAbstraction took 180.38ms. Allocated memory is still 249.6MB. Free memory was 88.4MB in the beginning and 174.9MB in the end (delta: -86.5MB). 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 12:31:31,492 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_byte_cursor_ptr_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 ab48078691743837960e369bd318845908490844fac300de97818a03fa84d8a1 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:31:33,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:31:33,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:31:33,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:31:33,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:31:33,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:31:33,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:31:33,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:31:33,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:31:33,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:31:33,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:31:33,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:31:33,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:31:33,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:31:33,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:31:33,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:31:33,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:31:33,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:31:33,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:31:33,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:31:33,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:31:33,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:31:33,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:31:33,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:31:33,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:31:33,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:31:33,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:31:33,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:31:33,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:31:33,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:31:33,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:31:33,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:31:33,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:31:33,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:31:33,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:31:33,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:31:33,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:31:33,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:31:33,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:31:33,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:31:33,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:31:33,276 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:31:33,305 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:31:33,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:31:33,307 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:31:33,307 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:31:33,307 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:31:33,308 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:31:33,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:31:33,309 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:31:33,309 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:31:33,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:31:33,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:31:33,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:31:33,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:31:33,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:31:33,310 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:31:33,311 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:31:33,311 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:31:33,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:31:33,311 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:31:33,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:31:33,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:31:33,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:31:33,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:31:33,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:33,318 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:31:33,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:31:33,319 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:31:33,319 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:31:33,319 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:31:33,319 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:31:33,319 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:31:33,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:31:33,320 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:31:33,320 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:31:33,320 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab48078691743837960e369bd318845908490844fac300de97818a03fa84d8a1 [2021-12-15 12:31:33,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:31:33,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:31:33,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:31:33,613 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:31:33,615 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:31:33,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness.i [2021-12-15 12:31:33,676 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09f2a6ab1/5d11cb5e50814d3389dd890b86c3540f/FLAG128bd2355 [2021-12-15 12:31:34,332 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:31:34,333 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness.i [2021-12-15 12:31:34,368 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09f2a6ab1/5d11cb5e50814d3389dd890b86c3540f/FLAG128bd2355 [2021-12-15 12:31:34,439 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09f2a6ab1/5d11cb5e50814d3389dd890b86c3540f [2021-12-15 12:31:34,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:31:34,442 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:31:34,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:34,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:31:34,446 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:31:34,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:34" (1/1) ... [2021-12-15 12:31:34,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f22357c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:34, skipping insertion in model container [2021-12-15 12:31:34,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:34" (1/1) ... [2021-12-15 12:31:34,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:31:34,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:31:34,831 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_byte_cursor_ptr_harness.i[4498,4511] [2021-12-15 12:31:34,837 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_byte_cursor_ptr_harness.i[4558,4571] [2021-12-15 12:31:35,551 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:35,552 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:35,554 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:35,555 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:35,556 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:35,565 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:35,565 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:35,566 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:35,566 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:35,818 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:35,819 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:35,819 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:35,820 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:35,829 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:35,830 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:35,831 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:35,832 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:35,832 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:35,833 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:35,978 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:36,067 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,068 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,320 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,321 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,339 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,340 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,344 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,345 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,357 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,359 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,359 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,367 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,368 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,368 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,368 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:36,449 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:31:36,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:31:36,490 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_byte_cursor_ptr_harness.i[4498,4511] [2021-12-15 12:31:36,490 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_byte_cursor_ptr_harness.i[4558,4571] [2021-12-15 12:31:36,520 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,520 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,521 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,521 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,521 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,525 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,526 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,527 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,527 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,563 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:36,564 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:36,564 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:36,565 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:36,566 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:36,566 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:36,566 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:36,567 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:36,567 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:36,567 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:36,606 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:36,641 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,643 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,748 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,749 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,753 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,754 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,755 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,756 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,760 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,760 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,761 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,761 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,762 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,763 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,763 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:36,815 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:31:36,830 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_byte_cursor_ptr_harness.i[4498,4511] [2021-12-15 12:31:36,831 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_byte_cursor_ptr_harness.i[4558,4571] [2021-12-15 12:31:36,854 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,855 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,855 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,855 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,856 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,858 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,859 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,860 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,862 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,883 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:36,883 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:36,884 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:36,884 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:36,885 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:36,885 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:36,886 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:36,886 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:36,887 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:36,887 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:36,901 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:36,932 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,933 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,993 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,994 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,998 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:36,998 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,000 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,000 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,005 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,005 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,005 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,006 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,006 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,007 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,007 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:37,019 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:37,226 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:31:37,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:37 WrapperNode [2021-12-15 12:31:37,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:37,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:37,228 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:31:37,228 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:31:37,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:37" (1/1) ... [2021-12-15 12:31:37,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:37" (1/1) ... [2021-12-15 12:31:37,411 INFO L137 Inliner]: procedures = 796, calls = 3576, calls flagged for inlining = 79, calls inlined = 6, statements flattened = 788 [2021-12-15 12:31:37,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:37,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:31:37,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:31:37,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:31:37,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:37" (1/1) ... [2021-12-15 12:31:37,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:37" (1/1) ... [2021-12-15 12:31:37,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:37" (1/1) ... [2021-12-15 12:31:37,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:37" (1/1) ... [2021-12-15 12:31:37,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:37" (1/1) ... [2021-12-15 12:31:37,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:37" (1/1) ... [2021-12-15 12:31:37,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:37" (1/1) ... [2021-12-15 12:31:37,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:31:37,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:31:37,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:31:37,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:31:37,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:37" (1/1) ... [2021-12-15 12:31:37,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:37,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:31:37,523 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 12:31:37,542 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 12:31:37,555 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-15 12:31:37,555 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-15 12:31:37,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:31:37,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:31:37,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:31:37,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:31:37,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:31:37,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:31:37,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:31:37,560 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:31:37,560 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:31:37,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:31:37,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:31:37,564 INFO L130 BoogieDeclarations]: Found specification of procedure hashlittle2 [2021-12-15 12:31:37,564 INFO L138 BoogieDeclarations]: Found implementation of procedure hashlittle2 [2021-12-15 12:31:37,565 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2021-12-15 12:31:37,565 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2021-12-15 12:31:37,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:31:37,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:31:37,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:31:37,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:31:37,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:31:37,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:31:37,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 12:31:37,566 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:31:37,566 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:31:37,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:31:37,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:31:37,815 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:31:37,817 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:31:41,631 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !true; [2021-12-15 12:31:41,639 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:31:41,643 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:31:41,644 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-15 12:31:41,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:41 BoogieIcfgContainer [2021-12-15 12:31:41,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:31:41,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:31:41,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:31:41,648 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:31:41,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:31:34" (1/3) ... [2021-12-15 12:31:41,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13b93765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:41, skipping insertion in model container [2021-12-15 12:31:41,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:37" (2/3) ... [2021-12-15 12:31:41,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13b93765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:41, skipping insertion in model container [2021-12-15 12:31:41,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:41" (3/3) ... [2021-12-15 12:31:41,650 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_byte_cursor_ptr_harness.i [2021-12-15 12:31:41,654 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:31:41,654 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:31:41,684 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:31:41,687 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 12:31:41,688 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:31:41,699 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 114 states have (on average 1.5087719298245614) internal successors, (172), 114 states have internal predecessors, (172), 13 states have call successors, (13), 6 states have call predecessors, (13), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-12-15 12:31:41,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-15 12:31:41,705 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:31:41,706 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:31:41,706 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:31:41,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:31:41,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1196197405, now seen corresponding path program 1 times [2021-12-15 12:31:41,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:31:41,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [665930461] [2021-12-15 12:31:41,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:31:41,722 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:31:41,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:31:41,724 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 12:31:41,756 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 12:31:41,819 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 12:31:42,009 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 12:31:42,010 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 12:31:42,014 INFO L158 Benchmark]: Toolchain (without parser) took 7571.35ms. Allocated memory was 52.4MB in the beginning and 272.6MB in the end (delta: 220.2MB). Free memory was 29.1MB in the beginning and 116.4MB in the end (delta: -87.4MB). Peak memory consumption was 132.6MB. Max. memory is 16.1GB. [2021-12-15 12:31:42,014 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 52.4MB. Free memory is still 34.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:31:42,014 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2783.07ms. Allocated memory was 52.4MB in the beginning and 272.6MB in the end (delta: 220.2MB). Free memory was 28.8MB in the beginning and 200.0MB in the end (delta: -171.2MB). Peak memory consumption was 80.9MB. Max. memory is 16.1GB. [2021-12-15 12:31:42,015 INFO L158 Benchmark]: Boogie Procedure Inliner took 183.60ms. Allocated memory is still 272.6MB. Free memory was 200.0MB in the beginning and 186.4MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:31:42,015 INFO L158 Benchmark]: Boogie Preprocessor took 76.56ms. Allocated memory is still 272.6MB. Free memory was 186.4MB in the beginning and 177.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:31:42,015 INFO L158 Benchmark]: RCFGBuilder took 4155.73ms. Allocated memory is still 272.6MB. Free memory was 177.0MB in the beginning and 135.1MB in the end (delta: 41.9MB). Peak memory consumption was 84.4MB. Max. memory is 16.1GB. [2021-12-15 12:31:42,015 INFO L158 Benchmark]: TraceAbstraction took 366.74ms. Allocated memory is still 272.6MB. Free memory was 135.1MB in the beginning and 116.4MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 12:31:42,016 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 52.4MB. Free memory is still 34.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2783.07ms. Allocated memory was 52.4MB in the beginning and 272.6MB in the end (delta: 220.2MB). Free memory was 28.8MB in the beginning and 200.0MB in the end (delta: -171.2MB). Peak memory consumption was 80.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 183.60ms. Allocated memory is still 272.6MB. Free memory was 200.0MB in the beginning and 186.4MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.56ms. Allocated memory is still 272.6MB. Free memory was 186.4MB in the beginning and 177.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4155.73ms. Allocated memory is still 272.6MB. Free memory was 177.0MB in the beginning and 135.1MB in the end (delta: 41.9MB). Peak memory consumption was 84.4MB. Max. memory is 16.1GB. * TraceAbstraction took 366.74ms. Allocated memory is still 272.6MB. Free memory was 135.1MB in the beginning and 116.4MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:31:42,050 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