./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/unreach-call.prp --file /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_bytes_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678b828e 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 /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_bytes_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 00848e9d97d65bb76ae0ae1ccd6ea810b066f108 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-678b828 [2020-12-07 17:12:13,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-07 17:12:13,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-07 17:12:13,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-07 17:12:13,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-07 17:12:13,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-07 17:12:13,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-07 17:12:13,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-07 17:12:13,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-07 17:12:13,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-07 17:12:13,736 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-07 17:12:13,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-07 17:12:13,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-07 17:12:13,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-07 17:12:13,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-07 17:12:13,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-07 17:12:13,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-07 17:12:13,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-07 17:12:13,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-07 17:12:13,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-07 17:12:13,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-07 17:12:13,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-07 17:12:13,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-07 17:12:13,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-07 17:12:13,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-07 17:12:13,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-07 17:12:13,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-07 17:12:13,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-07 17:12:13,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-07 17:12:13,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-07 17:12:13,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-07 17:12:13,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-07 17:12:13,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-07 17:12:13,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-07 17:12:13,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-07 17:12:13,788 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-07 17:12:13,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-07 17:12:13,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-07 17:12:13,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-07 17:12:13,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-07 17:12:13,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-07 17:12:13,794 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-07 17:12:13,862 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-07 17:12:13,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-07 17:12:13,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-07 17:12:13,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-07 17:12:13,865 INFO L138 SettingsManager]: * Use SBE=true [2020-12-07 17:12:13,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-07 17:12:13,865 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-07 17:12:13,866 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-07 17:12:13,866 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-07 17:12:13,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-07 17:12:13,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-07 17:12:13,867 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-07 17:12:13,867 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-07 17:12:13,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-07 17:12:13,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-07 17:12:13,868 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-07 17:12:13,868 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-07 17:12:13,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-07 17:12:13,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-07 17:12:13,869 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-07 17:12:13,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-07 17:12:13,869 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-07 17:12:13,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-07 17:12:13,870 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-07 17:12:13,870 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-07 17:12:13,870 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00848e9d97d65bb76ae0ae1ccd6ea810b066f108 [2020-12-07 17:12:14,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-07 17:12:14,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-07 17:12:14,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-07 17:12:14,279 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-07 17:12:14,280 INFO L275 PluginConnector]: CDTParser initialized [2020-12-07 17:12:14,281 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_bytes_harness.i [2020-12-07 17:12:14,367 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eac34537f/a3b051fdc0bf43f5a4c2f47e739e16c5/FLAG96a27b9b5 [2020-12-07 17:12:15,558 INFO L306 CDTParser]: Found 1 translation units. [2020-12-07 17:12:15,560 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_bytes_harness.i [2020-12-07 17:12:15,599 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eac34537f/a3b051fdc0bf43f5a4c2f47e739e16c5/FLAG96a27b9b5 [2020-12-07 17:12:15,928 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eac34537f/a3b051fdc0bf43f5a4c2f47e739e16c5 [2020-12-07 17:12:15,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-07 17:12:15,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-07 17:12:15,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-07 17:12:15,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-07 17:12:15,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-07 17:12:15,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:12:15" (1/1) ... [2020-12-07 17:12:15,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18c295e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:12:15, skipping insertion in model container [2020-12-07 17:12:15,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:12:15" (1/1) ... [2020-12-07 17:12:15,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-07 17:12:16,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-07 17:12:16,353 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_bytes_harness.i[4490,4503] [2020-12-07 17:12:16,361 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_bytes_harness.i[4550,4563] [2020-12-07 17:12:16,385 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-07 17:12:16,391 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-07 17:12:17,250 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:17,251 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:17,252 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:17,253 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:17,256 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:17,275 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:17,276 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:17,278 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:17,280 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:17,282 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:17,283 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:17,284 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:17,284 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:17,587 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-07 17:12:17,588 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-07 17:12:17,589 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-07 17:12:17,591 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-07 17:12:17,592 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-07 17:12:17,593 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-07 17:12:17,594 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-07 17:12:17,595 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-07 17:12:17,595 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-07 17:12:17,596 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-07 17:12:17,797 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-07 17:12:17,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-07 17:12:17,865 INFO L203 MainTranslator]: Completed pre-run [2020-12-07 17:12:17,900 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_bytes_harness.i[4490,4503] [2020-12-07 17:12:17,901 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_bytes_harness.i[4550,4563] [2020-12-07 17:12:17,905 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-07 17:12:17,907 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-07 17:12:17,971 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:17,972 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:17,973 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:17,974 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:17,975 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:17,994 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:17,995 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:17,996 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:17,997 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:17,998 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:17,999 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:17,999 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:17,999 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:18,057 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-07 17:12:18,058 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-07 17:12:18,059 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-07 17:12:18,060 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-07 17:12:18,061 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-07 17:12:18,061 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-07 17:12:18,062 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-07 17:12:18,063 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-07 17:12:18,063 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-07 17:12:18,064 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-07 17:12:18,087 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-07 17:12:18,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-07 17:12:18,811 INFO L208 MainTranslator]: Completed translation [2020-12-07 17:12:18,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:12:18 WrapperNode [2020-12-07 17:12:18,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-07 17:12:18,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-07 17:12:18,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-07 17:12:18,814 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-07 17:12:18,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:12:18" (1/1) ... [2020-12-07 17:12:18,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:12:18" (1/1) ... [2020-12-07 17:12:19,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-07 17:12:19,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-07 17:12:19,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-07 17:12:19,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-07 17:12:19,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:12:18" (1/1) ... [2020-12-07 17:12:19,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:12:18" (1/1) ... [2020-12-07 17:12:19,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:12:18" (1/1) ... [2020-12-07 17:12:19,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:12:18" (1/1) ... [2020-12-07 17:12:19,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:12:18" (1/1) ... [2020-12-07 17:12:19,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:12:18" (1/1) ... [2020-12-07 17:12:19,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:12:18" (1/1) ... [2020-12-07 17:12:19,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-07 17:12:19,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-07 17:12:19,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-07 17:12:19,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-07 17:12:19,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:12:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-07 17:12:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-07 17:12:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-07 17:12:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-07 17:12:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-07 17:12:19,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-07 17:12:19,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-07 17:12:19,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-07 17:12:19,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-07 17:12:19,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-07 17:12:20,094 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-07 17:12:20,095 INFO L299 CfgBuilder]: Removed 36 assume(true) statements. [2020-12-07 17:12:20,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:12:20 BoogieIcfgContainer [2020-12-07 17:12:20,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-07 17:12:20,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-07 17:12:20,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-07 17:12:20,103 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-07 17:12:20,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:12:15" (1/3) ... [2020-12-07 17:12:20,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd6c729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:12:20, skipping insertion in model container [2020-12-07 17:12:20,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:12:18" (2/3) ... [2020-12-07 17:12:20,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd6c729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:12:20, skipping insertion in model container [2020-12-07 17:12:20,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:12:20" (3/3) ... [2020-12-07 17:12:20,107 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_bytes_harness.i [2020-12-07 17:12:20,122 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-07 17:12:20,127 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-07 17:12:20,139 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-07 17:12:20,165 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-07 17:12:20,166 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-07 17:12:20,166 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-07 17:12:20,166 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-07 17:12:20,166 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-07 17:12:20,167 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-07 17:12:20,167 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-07 17:12:20,167 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-07 17:12:20,182 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2020-12-07 17:12:20,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-07 17:12:20,197 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 17:12:20,198 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-07 17:12:20,198 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 17:12:20,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 17:12:20,205 INFO L82 PathProgramCache]: Analyzing trace with hash 625727524, now seen corresponding path program 1 times [2020-12-07 17:12:20,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 17:12:20,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91500122] [2020-12-07 17:12:20,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 17:12:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 17:12:20,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 17:12:20,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91500122] [2020-12-07 17:12:20,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-07 17:12:20,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-07 17:12:20,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941255979] [2020-12-07 17:12:20,558 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-07 17:12:20,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 17:12:20,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-07 17:12:20,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-07 17:12:20,574 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 2 states. [2020-12-07 17:12:20,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 17:12:20,592 INFO L93 Difference]: Finished difference Result 76 states and 93 transitions. [2020-12-07 17:12:20,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-07 17:12:20,594 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2020-12-07 17:12:20,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 17:12:20,604 INFO L225 Difference]: With dead ends: 76 [2020-12-07 17:12:20,604 INFO L226 Difference]: Without dead ends: 35 [2020-12-07 17:12:20,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-07 17:12:20,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-12-07 17:12:20,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-12-07 17:12:20,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-12-07 17:12:20,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2020-12-07 17:12:20,647 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 24 [2020-12-07 17:12:20,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 17:12:20,647 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2020-12-07 17:12:20,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-07 17:12:20,648 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2020-12-07 17:12:20,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-07 17:12:20,649 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 17:12:20,649 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-07 17:12:20,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-07 17:12:20,650 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 17:12:20,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 17:12:20,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1050276392, now seen corresponding path program 1 times [2020-12-07 17:12:20,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 17:12:20,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209728089] [2020-12-07 17:12:20,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 17:12:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 17:12:21,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 17:12:21,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209728089] [2020-12-07 17:12:21,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-07 17:12:21,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-07 17:12:21,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550675255] [2020-12-07 17:12:21,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-07 17:12:21,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 17:12:21,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-07 17:12:21,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-07 17:12:21,036 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand 10 states. [2020-12-07 17:12:21,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 17:12:21,362 INFO L93 Difference]: Finished difference Result 55 states and 61 transitions. [2020-12-07 17:12:21,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-07 17:12:21,363 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2020-12-07 17:12:21,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 17:12:21,366 INFO L225 Difference]: With dead ends: 55 [2020-12-07 17:12:21,366 INFO L226 Difference]: Without dead ends: 38 [2020-12-07 17:12:21,370 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2020-12-07 17:12:21,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-12-07 17:12:21,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2020-12-07 17:12:21,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-12-07 17:12:21,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2020-12-07 17:12:21,385 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 24 [2020-12-07 17:12:21,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 17:12:21,386 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2020-12-07 17:12:21,386 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-07 17:12:21,386 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2020-12-07 17:12:21,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-07 17:12:21,388 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 17:12:21,388 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-07 17:12:21,388 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-07 17:12:21,389 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 17:12:21,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 17:12:21,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1859623018, now seen corresponding path program 1 times [2020-12-07 17:12:21,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 17:12:21,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600957058] [2020-12-07 17:12:21,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 17:12:21,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 17:12:21,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 17:12:21,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600957058] [2020-12-07 17:12:21,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-07 17:12:21,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-07 17:12:21,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261377510] [2020-12-07 17:12:21,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-07 17:12:21,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 17:12:21,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-07 17:12:21,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-07 17:12:21,783 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand 6 states. [2020-12-07 17:12:21,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 17:12:21,880 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2020-12-07 17:12:21,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-07 17:12:21,881 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-12-07 17:12:21,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 17:12:21,881 INFO L225 Difference]: With dead ends: 37 [2020-12-07 17:12:21,882 INFO L226 Difference]: Without dead ends: 0 [2020-12-07 17:12:21,883 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-12-07 17:12:21,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-07 17:12:21,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-07 17:12:21,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-07 17:12:21,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-07 17:12:21,884 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-12-07 17:12:21,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 17:12:21,884 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-07 17:12:21,884 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-07 17:12:21,885 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-07 17:12:21,885 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-07 17:12:21,885 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-07 17:12:21,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-07 17:12:21,922 INFO L258 CegarLoopResult]: At program point L6295(lines 6292 6296) the Hoare annotation is: false [2020-12-07 17:12:21,923 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-07 17:12:21,923 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-07 17:12:21,923 INFO L262 CegarLoopResult]: For program point L222(lines 222 224) no Hoare annotation was computed. [2020-12-07 17:12:21,923 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-07 17:12:21,923 INFO L262 CegarLoopResult]: For program point L222-1(lines 222 224) no Hoare annotation was computed. [2020-12-07 17:12:21,924 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-07 17:12:21,924 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-07 17:12:21,924 INFO L262 CegarLoopResult]: For program point L210(lines 210 212) no Hoare annotation was computed. [2020-12-07 17:12:21,924 INFO L262 CegarLoopResult]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2020-12-07 17:12:21,924 INFO L262 CegarLoopResult]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2020-12-07 17:12:21,925 INFO L262 CegarLoopResult]: For program point L6854(lines 6854 6855) no Hoare annotation was computed. [2020-12-07 17:12:21,925 INFO L262 CegarLoopResult]: For program point L6854-2(lines 6854 6855) no Hoare annotation was computed. [2020-12-07 17:12:21,925 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-07 17:12:21,925 INFO L262 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-12-07 17:12:21,925 INFO L262 CegarLoopResult]: For program point L223-1(line 223) no Hoare annotation was computed. [2020-12-07 17:12:21,925 INFO L262 CegarLoopResult]: For program point L223-3(line 223) no Hoare annotation was computed. [2020-12-07 17:12:21,926 INFO L262 CegarLoopResult]: For program point L7259(lines 7259 7263) no Hoare annotation was computed. [2020-12-07 17:12:21,926 INFO L262 CegarLoopResult]: For program point L223-4(line 223) no Hoare annotation was computed. [2020-12-07 17:12:21,926 INFO L262 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-12-07 17:12:21,926 INFO L262 CegarLoopResult]: For program point L211-2(line 211) no Hoare annotation was computed. [2020-12-07 17:12:21,926 INFO L262 CegarLoopResult]: For program point L211-4(line 211) no Hoare annotation was computed. [2020-12-07 17:12:21,927 INFO L258 CegarLoopResult]: At program point L6859(lines 6850 6860) the Hoare annotation is: false [2020-12-07 17:12:21,927 INFO L258 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: false [2020-12-07 17:12:21,927 INFO L262 CegarLoopResult]: For program point L6306(line 6306) no Hoare annotation was computed. [2020-12-07 17:12:21,927 INFO L262 CegarLoopResult]: For program point L6306-3(line 6306) no Hoare annotation was computed. [2020-12-07 17:12:21,927 INFO L258 CegarLoopResult]: At program point L6847(lines 6844 6848) the Hoare annotation is: false [2020-12-07 17:12:21,928 INFO L265 CegarLoopResult]: At program point L7264(line 7264) the Hoare annotation is: true [2020-12-07 17:12:21,928 INFO L262 CegarLoopResult]: For program point L6306-2(line 6306) no Hoare annotation was computed. [2020-12-07 17:12:21,928 INFO L262 CegarLoopResult]: For program point L6306-7(line 6306) no Hoare annotation was computed. [2020-12-07 17:12:21,928 INFO L262 CegarLoopResult]: For program point L6306-5(line 6306) no Hoare annotation was computed. [2020-12-07 17:12:21,928 INFO L258 CegarLoopResult]: At program point L6306-6(lines 6302 6307) the Hoare annotation is: false [2020-12-07 17:12:21,928 INFO L258 CegarLoopResult]: At program point L6934(lines 6933 6935) the Hoare annotation is: false [2020-12-07 17:12:21,929 INFO L258 CegarLoopResult]: At program point L6839(lines 6837 6842) the Hoare annotation is: false [2020-12-07 17:12:21,929 INFO L262 CegarLoopResult]: For program point L6306-12(line 6306) no Hoare annotation was computed. [2020-12-07 17:12:21,929 INFO L262 CegarLoopResult]: For program point L6306-9(line 6306) no Hoare annotation was computed. [2020-12-07 17:12:21,929 INFO L262 CegarLoopResult]: For program point L6306-10(line 6306) no Hoare annotation was computed. [2020-12-07 17:12:21,929 INFO L258 CegarLoopResult]: At program point L6930(lines 6926 6931) the Hoare annotation is: false [2020-12-07 17:12:21,930 INFO L258 CegarLoopResult]: At program point L6306-13(lines 6302 6307) the Hoare annotation is: false [2020-12-07 17:12:21,930 INFO L258 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: (= ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size 18446744073710786165) [2020-12-07 17:12:21,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:12:21 BoogieIcfgContainer [2020-12-07 17:12:21,949 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-07 17:12:21,950 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-07 17:12:21,950 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-07 17:12:21,950 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-07 17:12:21,951 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:12:20" (3/4) ... [2020-12-07 17:12:21,955 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-07 17:12:21,968 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2020-12-07 17:12:21,968 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-07 17:12:21,969 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-07 17:12:21,969 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-07 17:12:22,055 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-07 17:12:22,056 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-07 17:12:22,061 INFO L168 Benchmark]: Toolchain (without parser) took 6121.29 ms. Allocated memory was 52.4 MB in the beginning and 100.7 MB in the end (delta: 48.2 MB). Free memory was 34.3 MB in the beginning and 24.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 58.7 MB. Max. memory is 16.1 GB. [2020-12-07 17:12:22,062 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 37.7 MB. Free memory is still 22.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-07 17:12:22,063 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2871.32 ms. Allocated memory was 52.4 MB in the beginning and 83.9 MB in the end (delta: 31.5 MB). Free memory was 34.0 MB in the beginning and 27.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 54.9 MB. Max. memory is 16.1 GB. [2020-12-07 17:12:22,066 INFO L168 Benchmark]: Boogie Procedure Inliner took 225.26 ms. Allocated memory is still 83.9 MB. Free memory was 27.2 MB in the beginning and 21.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-07 17:12:22,066 INFO L168 Benchmark]: Boogie Preprocessor took 97.73 ms. Allocated memory is still 83.9 MB. Free memory was 21.5 MB in the beginning and 19.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-07 17:12:22,067 INFO L168 Benchmark]: RCFGBuilder took 959.25 ms. Allocated memory is still 83.9 MB. Free memory was 19.4 MB in the beginning and 18.9 MB in the end (delta: 548.7 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-07 17:12:22,067 INFO L168 Benchmark]: TraceAbstraction took 1850.36 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 18.9 MB in the beginning and 28.9 MB in the end (delta: -10.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2020-12-07 17:12:22,068 INFO L168 Benchmark]: Witness Printer took 106.41 ms. Allocated memory is still 100.7 MB. Free memory was 28.9 MB in the beginning and 24.0 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-07 17:12:22,070 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 37.7 MB. Free memory is still 22.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2871.32 ms. Allocated memory was 52.4 MB in the beginning and 83.9 MB in the end (delta: 31.5 MB). Free memory was 34.0 MB in the beginning and 27.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 54.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 225.26 ms. Allocated memory is still 83.9 MB. Free memory was 27.2 MB in the beginning and 21.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 97.73 ms. Allocated memory is still 83.9 MB. Free memory was 21.5 MB in the beginning and 19.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 959.25 ms. Allocated memory is still 83.9 MB. Free memory was 19.4 MB in the beginning and 18.9 MB in the end (delta: 548.7 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1850.36 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 18.9 MB in the beginning and 28.9 MB in the end (delta: -10.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Witness Printer took 106.41 ms. Allocated memory is still 100.7 MB. Free memory was 28.9 MB in the beginning and 24.0 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 6302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: max_size == 18446744073710786165 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6933]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7264]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6844]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6292]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 40 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 77 SDtfs, 168 SDslu, 109 SDs, 0 SdLazy, 62 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 12 NumberOfFragments, 13 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 3818 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...