./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 87fd6ee1 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 0.2.1-87fd6ee [2020-12-04 19:20:26,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-04 19:20:26,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-04 19:20:26,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-04 19:20:26,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-04 19:20:26,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-04 19:20:26,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-04 19:20:26,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-04 19:20:26,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-04 19:20:26,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-04 19:20:26,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-04 19:20:26,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-04 19:20:26,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-04 19:20:26,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-04 19:20:26,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-04 19:20:26,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-04 19:20:26,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-04 19:20:26,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-04 19:20:26,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-04 19:20:26,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-04 19:20:26,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-04 19:20:26,301 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-04 19:20:26,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-04 19:20:26,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-04 19:20:26,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-04 19:20:26,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-04 19:20:26,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-04 19:20:26,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-04 19:20:26,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-04 19:20:26,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-04 19:20:26,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-04 19:20:26,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-04 19:20:26,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-04 19:20:26,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-04 19:20:26,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-04 19:20:26,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-04 19:20:26,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-04 19:20:26,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-04 19:20:26,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-04 19:20:26,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-04 19:20:26,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-04 19:20:26,332 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-04 19:20:26,383 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-04 19:20:26,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-04 19:20:26,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-04 19:20:26,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-04 19:20:26,386 INFO L138 SettingsManager]: * Use SBE=true [2020-12-04 19:20:26,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-04 19:20:26,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-04 19:20:26,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-04 19:20:26,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-04 19:20:26,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-04 19:20:26,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-04 19:20:26,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-04 19:20:26,396 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-04 19:20:26,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-04 19:20:26,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-04 19:20:26,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-04 19:20:26,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-04 19:20:26,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 19:20:26,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-04 19:20:26,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-04 19:20:26,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-04 19:20:26,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-04 19:20:26,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-04 19:20:26,399 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-04 19:20:26,399 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-04 19:20:26,399 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00848e9d97d65bb76ae0ae1ccd6ea810b066f108 [2020-12-04 19:20:26,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-04 19:20:26,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-04 19:20:26,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-04 19:20:26,865 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-04 19:20:26,865 INFO L275 PluginConnector]: CDTParser initialized [2020-12-04 19:20:26,867 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_bytes_harness.i [2020-12-04 19:20:26,958 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a72c7292d/e37d18d98a264e5ca6a3f7d4123766f5/FLAG6cd994906 [2020-12-04 19:20:28,061 INFO L306 CDTParser]: Found 1 translation units. [2020-12-04 19:20:28,063 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_bytes_harness.i [2020-12-04 19:20:28,108 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a72c7292d/e37d18d98a264e5ca6a3f7d4123766f5/FLAG6cd994906 [2020-12-04 19:20:28,483 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a72c7292d/e37d18d98a264e5ca6a3f7d4123766f5 [2020-12-04 19:20:28,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-04 19:20:28,488 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-04 19:20:28,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-04 19:20:28,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-04 19:20:28,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-04 19:20:28,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 07:20:28" (1/1) ... [2020-12-04 19:20:28,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a0f4e73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:20:28, skipping insertion in model container [2020-12-04 19:20:28,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 07:20:28" (1/1) ... [2020-12-04 19:20:28,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-04 19:20:28,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-04 19:20:28,871 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] [2020-12-04 19:20:28,880 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] [2020-12-04 19:20:28,907 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 19:20:28,914 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 19:20:29,886 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:29,889 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:29,890 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:29,892 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:29,895 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:29,921 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:29,923 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:29,928 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:29,931 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:29,934 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:29,937 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:29,937 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:29,938 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:30,341 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 19:20:30,343 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 19:20:30,344 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 19:20:30,345 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 19:20:30,346 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 19:20:30,347 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 19:20:30,348 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 19:20:30,348 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 19:20:30,349 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 19:20:30,350 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 19:20:30,487 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 19:20:30,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 19:20:30,550 INFO L203 MainTranslator]: Completed pre-run [2020-12-04 19:20:30,583 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] [2020-12-04 19:20:30,584 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] [2020-12-04 19:20:30,588 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 19:20:30,589 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 19:20:30,664 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:30,665 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:30,666 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:30,667 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:30,668 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:30,687 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:30,688 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:30,697 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:30,698 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:30,700 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:30,701 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:30,702 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:30,702 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:30,764 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 19:20:30,765 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 19:20:30,766 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 19:20:30,766 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 19:20:30,767 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 19:20:30,768 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 19:20:30,769 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 19:20:30,769 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 19:20:30,770 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 19:20:30,770 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 19:20:30,814 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 19:20:30,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 19:20:31,693 INFO L208 MainTranslator]: Completed translation [2020-12-04 19:20:31,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:20:31 WrapperNode [2020-12-04 19:20:31,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-04 19:20:31,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-04 19:20:31,696 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-04 19:20:31,696 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-04 19:20:31,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:20:31" (1/1) ... [2020-12-04 19:20:31,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:20:31" (1/1) ... [2020-12-04 19:20:31,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-04 19:20:31,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-04 19:20:31,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-04 19:20:31,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-04 19:20:31,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:20:31" (1/1) ... [2020-12-04 19:20:31,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:20:31" (1/1) ... [2020-12-04 19:20:31,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:20:31" (1/1) ... [2020-12-04 19:20:31,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:20:31" (1/1) ... [2020-12-04 19:20:31,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:20:31" (1/1) ... [2020-12-04 19:20:31,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:20:31" (1/1) ... [2020-12-04 19:20:31,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:20:31" (1/1) ... [2020-12-04 19:20:31,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-04 19:20:31,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-04 19:20:31,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-04 19:20:31,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-04 19:20:31,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:20:31" (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 [2020-12-04 19:20:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-04 19:20:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-04 19:20:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-04 19:20:32,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-04 19:20:32,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-04 19:20:32,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-04 19:20:32,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-04 19:20:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-04 19:20:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-04 19:20:32,619 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-04 19:20:32,619 INFO L299 CfgBuilder]: Removed 36 assume(true) statements. [2020-12-04 19:20:32,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 07:20:32 BoogieIcfgContainer [2020-12-04 19:20:32,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-04 19:20:32,633 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-04 19:20:32,633 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-04 19:20:32,637 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-04 19:20:32,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.12 07:20:28" (1/3) ... [2020-12-04 19:20:32,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69cc788e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 07:20:32, skipping insertion in model container [2020-12-04 19:20:32,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:20:31" (2/3) ... [2020-12-04 19:20:32,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69cc788e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 07:20:32, skipping insertion in model container [2020-12-04 19:20:32,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 07:20:32" (3/3) ... [2020-12-04 19:20:32,642 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_bytes_harness.i [2020-12-04 19:20:32,662 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-04 19:20:32,667 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-04 19:20:32,682 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-04 19:20:32,715 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-04 19:20:32,715 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-04 19:20:32,715 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-04 19:20:32,716 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-04 19:20:32,716 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-04 19:20:32,716 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-04 19:20:32,716 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-04 19:20:32,717 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-04 19:20:32,737 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2020-12-04 19:20:32,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-04 19:20:32,746 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 19:20:32,747 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] [2020-12-04 19:20:32,747 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 19:20:32,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 19:20:32,755 INFO L82 PathProgramCache]: Analyzing trace with hash 625727524, now seen corresponding path program 1 times [2020-12-04 19:20:32,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 19:20:32,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399226227] [2020-12-04 19:20:32,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 19:20:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 19:20:33,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 19:20:33,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399226227] [2020-12-04 19:20:33,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 19:20:33,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-04 19:20:33,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089431944] [2020-12-04 19:20:33,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-04 19:20:33,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 19:20:33,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-04 19:20:33,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-04 19:20:33,162 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 2 states. [2020-12-04 19:20:33,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 19:20:33,208 INFO L93 Difference]: Finished difference Result 76 states and 93 transitions. [2020-12-04 19:20:33,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-04 19:20:33,210 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2020-12-04 19:20:33,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 19:20:33,220 INFO L225 Difference]: With dead ends: 76 [2020-12-04 19:20:33,221 INFO L226 Difference]: Without dead ends: 35 [2020-12-04 19:20:33,225 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 [2020-12-04 19:20:33,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-12-04 19:20:33,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-12-04 19:20:33,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-12-04 19:20:33,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2020-12-04 19:20:33,268 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 24 [2020-12-04 19:20:33,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 19:20:33,268 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2020-12-04 19:20:33,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-04 19:20:33,269 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2020-12-04 19:20:33,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-04 19:20:33,270 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 19:20:33,270 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] [2020-12-04 19:20:33,271 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-04 19:20:33,271 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 19:20:33,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 19:20:33,272 INFO L82 PathProgramCache]: Analyzing trace with hash 1050276392, now seen corresponding path program 1 times [2020-12-04 19:20:33,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 19:20:33,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663255802] [2020-12-04 19:20:33,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 19:20:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 19:20:33,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 19:20:33,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663255802] [2020-12-04 19:20:33,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 19:20:33,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-04 19:20:33,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157655692] [2020-12-04 19:20:33,625 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-04 19:20:33,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 19:20:33,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-04 19:20:33,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-04 19:20:33,627 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand 10 states. [2020-12-04 19:20:33,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 19:20:33,883 INFO L93 Difference]: Finished difference Result 54 states and 60 transitions. [2020-12-04 19:20:33,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-04 19:20:33,883 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2020-12-04 19:20:33,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 19:20:33,884 INFO L225 Difference]: With dead ends: 54 [2020-12-04 19:20:33,885 INFO L226 Difference]: Without dead ends: 35 [2020-12-04 19:20:33,887 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2020-12-04 19:20:33,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-12-04 19:20:33,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-12-04 19:20:33,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-12-04 19:20:33,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2020-12-04 19:20:33,894 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 24 [2020-12-04 19:20:33,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 19:20:33,895 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2020-12-04 19:20:33,895 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-04 19:20:33,895 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2020-12-04 19:20:33,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-04 19:20:33,896 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 19:20:33,897 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] [2020-12-04 19:20:33,897 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-04 19:20:33,897 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 19:20:33,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 19:20:33,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1859623018, now seen corresponding path program 1 times [2020-12-04 19:20:33,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 19:20:33,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76631102] [2020-12-04 19:20:33,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 19:20:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 19:20:34,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 19:20:34,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76631102] [2020-12-04 19:20:34,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 19:20:34,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-04 19:20:34,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104130709] [2020-12-04 19:20:34,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-04 19:20:34,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 19:20:34,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-04 19:20:34,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-04 19:20:34,114 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand 5 states. [2020-12-04 19:20:34,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 19:20:34,177 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2020-12-04 19:20:34,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-04 19:20:34,178 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-04 19:20:34,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 19:20:34,179 INFO L225 Difference]: With dead ends: 35 [2020-12-04 19:20:34,179 INFO L226 Difference]: Without dead ends: 33 [2020-12-04 19:20:34,180 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-04 19:20:34,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-12-04 19:20:34,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-12-04 19:20:34,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-12-04 19:20:34,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2020-12-04 19:20:34,187 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 24 [2020-12-04 19:20:34,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 19:20:34,188 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2020-12-04 19:20:34,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-04 19:20:34,188 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2020-12-04 19:20:34,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-04 19:20:34,189 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 19:20:34,189 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, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 19:20:34,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-04 19:20:34,190 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 19:20:34,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 19:20:34,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1676025637, now seen corresponding path program 1 times [2020-12-04 19:20:34,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 19:20:34,191 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510720718] [2020-12-04 19:20:34,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 19:20:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 19:20:34,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 19:20:34,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510720718] [2020-12-04 19:20:34,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 19:20:34,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-12-04 19:20:34,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859187531] [2020-12-04 19:20:34,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-12-04 19:20:34,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 19:20:34,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-12-04 19:20:34,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2020-12-04 19:20:34,974 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand 13 states. [2020-12-04 19:20:35,821 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-12-04 19:20:35,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 19:20:35,834 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2020-12-04 19:20:35,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-04 19:20:35,835 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 31 [2020-12-04 19:20:35,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 19:20:35,837 INFO L225 Difference]: With dead ends: 38 [2020-12-04 19:20:35,837 INFO L226 Difference]: Without dead ends: 33 [2020-12-04 19:20:35,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2020-12-04 19:20:35,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-12-04 19:20:35,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-12-04 19:20:35,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-12-04 19:20:35,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2020-12-04 19:20:35,846 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 31 [2020-12-04 19:20:35,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 19:20:35,847 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2020-12-04 19:20:35,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-12-04 19:20:35,847 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2020-12-04 19:20:35,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-04 19:20:35,849 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 19:20:35,849 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, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 19:20:35,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-04 19:20:35,850 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 19:20:35,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 19:20:35,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1677872679, now seen corresponding path program 1 times [2020-12-04 19:20:35,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 19:20:35,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384976771] [2020-12-04 19:20:35,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 19:20:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 19:20:36,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 19:20:36,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384976771] [2020-12-04 19:20:36,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 19:20:36,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-04 19:20:36,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387522092] [2020-12-04 19:20:36,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-04 19:20:36,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 19:20:36,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-04 19:20:36,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-12-04 19:20:36,052 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 11 states. [2020-12-04 19:20:36,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 19:20:36,300 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2020-12-04 19:20:36,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-04 19:20:36,301 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 31 [2020-12-04 19:20:36,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 19:20:36,302 INFO L225 Difference]: With dead ends: 40 [2020-12-04 19:20:36,302 INFO L226 Difference]: Without dead ends: 33 [2020-12-04 19:20:36,303 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2020-12-04 19:20:36,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-12-04 19:20:36,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-12-04 19:20:36,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-12-04 19:20:36,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2020-12-04 19:20:36,310 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 31 [2020-12-04 19:20:36,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 19:20:36,311 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2020-12-04 19:20:36,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-04 19:20:36,311 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2020-12-04 19:20:36,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-04 19:20:36,312 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 19:20:36,312 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, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 19:20:36,312 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-04 19:20:36,313 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 19:20:36,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 19:20:36,314 INFO L82 PathProgramCache]: Analyzing trace with hash -842087255, now seen corresponding path program 1 times [2020-12-04 19:20:36,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 19:20:36,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451624531] [2020-12-04 19:20:36,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 19:20:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 19:20:36,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 19:20:36,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451624531] [2020-12-04 19:20:36,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 19:20:36,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-04 19:20:36,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017160788] [2020-12-04 19:20:36,432 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-04 19:20:36,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 19:20:36,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-04 19:20:36,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-04 19:20:36,434 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 9 states. [2020-12-04 19:20:36,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 19:20:36,594 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2020-12-04 19:20:36,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-04 19:20:36,595 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 31 [2020-12-04 19:20:36,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 19:20:36,598 INFO L225 Difference]: With dead ends: 33 [2020-12-04 19:20:36,598 INFO L226 Difference]: Without dead ends: 0 [2020-12-04 19:20:36,599 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-12-04 19:20:36,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-04 19:20:36,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-04 19:20:36,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-04 19:20:36,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-04 19:20:36,600 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2020-12-04 19:20:36,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 19:20:36,601 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-04 19:20:36,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-04 19:20:36,601 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-04 19:20:36,601 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-04 19:20:36,601 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-04 19:20:36,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-04 19:20:36,794 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-12-04 19:20:36,994 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-12-04 19:20:37,248 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-12-04 19:20:37,251 INFO L258 CegarLoopResult]: At program point L6295(lines 6292 6296) the Hoare annotation is: (let ((.cse6 (+ ULTIMATE.start_aws_string_bytes_harness_~str~3.offset 12))) (and (= (let ((.cse0 (select |#memory_int| |ULTIMATE.start_ensure_string_is_allocated_nondet_length_#res.base|))) (select .cse0 (let ((.cse1 (select .cse0 8))) (+ .cse1 (* (div .cse1 4294967296) (- 4294967296)) 12)))) 0) (= ULTIMATE.start_aws_string_bytes_harness_~str~3.base |ULTIMATE.start_aws_string_bytes_#res.base|) (= |ULTIMATE.start_bounded_malloc_#res.offset| 0) (= |ULTIMATE.start_ensure_string_is_allocated_#res.offset| 0) (not (= |ULTIMATE.start_ensure_string_is_allocated_#res.base| 0)) (not (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.base| 0)) (= (let ((.cse2 (select |#memory_int| ULTIMATE.start_aws_string_is_valid_~str.base))) (select .cse2 (let ((.cse3 (select .cse2 (+ ULTIMATE.start_aws_string_is_valid_~str.offset 8)))) (+ (* (div .cse3 4294967296) (- 4294967296)) .cse3 12)))) 0) (= ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size 18446744073710786169) (= ULTIMATE.start_aws_string_bytes_~str.offset ULTIMATE.start_aws_string_bytes_harness_~str~3.offset) (= ULTIMATE.start_ensure_string_is_allocated_~str~0.offset 0) (not (= |ULTIMATE.start_ensure_string_is_allocated_nondet_length_#res.base| 0)) (not (= ULTIMATE.start_aws_string_is_valid_~str.base 0)) (= (let ((.cse4 (select |#memory_int| ULTIMATE.start_aws_string_bytes_harness_~str~3.base))) (select .cse4 (let ((.cse5 (select .cse4 8))) (+ .cse5 (* (div .cse5 4294967296) (- 4294967296)) 12)))) 0) (<= |ULTIMATE.start_aws_string_is_valid_#res| 1) (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.offset| 0) (not (= ULTIMATE.start_ensure_string_is_allocated_~str~0.base 0)) (<= |ULTIMATE.start_aws_string_bytes_#res.offset| .cse6) (= ULTIMATE.start_aws_string_is_valid_~str.offset 0) (= ULTIMATE.start_aws_string_bytes_harness_~str~3.offset 0) (= (let ((.cse7 (select |#memory_int| |ULTIMATE.start_ensure_string_is_allocated_#res.base|))) (select .cse7 (let ((.cse8 (select .cse7 8))) (+ .cse8 (* (div .cse8 4294967296) (- 4294967296)) 12)))) 0) (= |ULTIMATE.start_ensure_string_is_allocated_nondet_length_#res.offset| 0) (= ULTIMATE.start_aws_string_bytes_~str.base ULTIMATE.start_aws_string_bytes_harness_~str~3.base) (= (let ((.cse9 (select |#memory_int| |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.base|))) (select .cse9 (let ((.cse10 (select .cse9 8))) (+ (* (div .cse10 4294967296) (- 4294967296)) .cse10 12)))) 0) (<= .cse6 |ULTIMATE.start_aws_string_bytes_#res.offset|) (not (= ULTIMATE.start_aws_string_bytes_harness_~str~3.base 0)) (<= 1 |ULTIMATE.start_aws_string_is_valid_#res|) (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)))) [2020-12-04 19:20:37,252 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-04 19:20:37,252 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-04 19:20:37,252 INFO L262 CegarLoopResult]: For program point L222(lines 222 224) no Hoare annotation was computed. [2020-12-04 19:20:37,252 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-04 19:20:37,252 INFO L262 CegarLoopResult]: For program point L222-1(lines 222 224) no Hoare annotation was computed. [2020-12-04 19:20:37,253 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-04 19:20:37,253 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-04 19:20:37,253 INFO L262 CegarLoopResult]: For program point L210(lines 210 212) no Hoare annotation was computed. [2020-12-04 19:20:37,253 INFO L262 CegarLoopResult]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2020-12-04 19:20:37,253 INFO L262 CegarLoopResult]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2020-12-04 19:20:37,254 INFO L262 CegarLoopResult]: For program point L6854(lines 6854 6855) no Hoare annotation was computed. [2020-12-04 19:20:37,254 INFO L262 CegarLoopResult]: For program point L6854-2(lines 6854 6855) no Hoare annotation was computed. [2020-12-04 19:20:37,254 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-04 19:20:37,254 INFO L262 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-12-04 19:20:37,254 INFO L262 CegarLoopResult]: For program point L223-1(line 223) no Hoare annotation was computed. [2020-12-04 19:20:37,254 INFO L262 CegarLoopResult]: For program point L223-3(line 223) no Hoare annotation was computed. [2020-12-04 19:20:37,255 INFO L262 CegarLoopResult]: For program point L7259(lines 7259 7263) no Hoare annotation was computed. [2020-12-04 19:20:37,255 INFO L262 CegarLoopResult]: For program point L223-4(line 223) no Hoare annotation was computed. [2020-12-04 19:20:37,255 INFO L262 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-12-04 19:20:37,255 INFO L262 CegarLoopResult]: For program point L211-2(line 211) no Hoare annotation was computed. [2020-12-04 19:20:37,255 INFO L262 CegarLoopResult]: For program point L211-4(line 211) no Hoare annotation was computed. [2020-12-04 19:20:37,256 INFO L258 CegarLoopResult]: At program point L6859(lines 6850 6860) the Hoare annotation is: (and (= ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size 18446744073710786169) (= ULTIMATE.start_ensure_string_is_allocated_~str~0.offset 0) (= (let ((.cse0 (select |#memory_int| |ULTIMATE.start_ensure_string_is_allocated_#res.base|))) (select .cse0 (let ((.cse1 (select .cse0 8))) (+ .cse1 (* (div .cse1 4294967296) (- 4294967296)) 12)))) 0) (= |ULTIMATE.start_bounded_malloc_#res.offset| 0) (= |ULTIMATE.start_ensure_string_is_allocated_#res.offset| 0) (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)) (not (= |ULTIMATE.start_ensure_string_is_allocated_#res.base| 0)) (not (= ULTIMATE.start_ensure_string_is_allocated_~str~0.base 0))) [2020-12-04 19:20:37,256 INFO L258 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: (and (= ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size 18446744073710786169) (= ULTIMATE.start_ensure_string_is_allocated_~str~0.offset 0) (= |ULTIMATE.start_bounded_malloc_#res.offset| 0) (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)) (not (= ULTIMATE.start_ensure_string_is_allocated_~str~0.base 0))) [2020-12-04 19:20:37,256 INFO L262 CegarLoopResult]: For program point L6306(line 6306) no Hoare annotation was computed. [2020-12-04 19:20:37,256 INFO L262 CegarLoopResult]: For program point L6306-3(line 6306) no Hoare annotation was computed. [2020-12-04 19:20:37,257 INFO L258 CegarLoopResult]: At program point L6847(lines 6844 6848) the Hoare annotation is: (and (not (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.base| 0)) (= ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size 18446744073710786169) (= ULTIMATE.start_ensure_string_is_allocated_~str~0.offset 0) (= (let ((.cse0 (select |#memory_int| |ULTIMATE.start_ensure_string_is_allocated_#res.base|))) (select .cse0 (let ((.cse1 (select .cse0 8))) (+ .cse1 (* (div .cse1 4294967296) (- 4294967296)) 12)))) 0) (= |ULTIMATE.start_bounded_malloc_#res.offset| 0) (= |ULTIMATE.start_ensure_string_is_allocated_#res.offset| 0) (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)) (not (= |ULTIMATE.start_ensure_string_is_allocated_#res.base| 0)) (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.offset| 0) (not (= ULTIMATE.start_ensure_string_is_allocated_~str~0.base 0)) (= (let ((.cse2 (select |#memory_int| |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.base|))) (select .cse2 (let ((.cse3 (select .cse2 8))) (+ (* (div .cse3 4294967296) (- 4294967296)) .cse3 12)))) 0)) [2020-12-04 19:20:37,257 INFO L265 CegarLoopResult]: At program point L7264(line 7264) the Hoare annotation is: true [2020-12-04 19:20:37,257 INFO L262 CegarLoopResult]: For program point L6306-2(line 6306) no Hoare annotation was computed. [2020-12-04 19:20:37,257 INFO L262 CegarLoopResult]: For program point L6306-7(line 6306) no Hoare annotation was computed. [2020-12-04 19:20:37,258 INFO L262 CegarLoopResult]: For program point L6306-5(line 6306) no Hoare annotation was computed. [2020-12-04 19:20:37,258 INFO L258 CegarLoopResult]: At program point L6306-6(lines 6302 6307) the Hoare annotation is: (and (= (let ((.cse0 (select |#memory_int| |ULTIMATE.start_ensure_string_is_allocated_nondet_length_#res.base|))) (select .cse0 (let ((.cse1 (select .cse0 8))) (+ .cse1 (* (div .cse1 4294967296) (- 4294967296)) 12)))) 0) (= ULTIMATE.start_aws_string_bytes_harness_~str~3.offset 0) (= (let ((.cse2 (select |#memory_int| |ULTIMATE.start_ensure_string_is_allocated_#res.base|))) (select .cse2 (let ((.cse3 (select .cse2 8))) (+ .cse3 (* (div .cse3 4294967296) (- 4294967296)) 12)))) 0) (= |ULTIMATE.start_bounded_malloc_#res.offset| 0) (= |ULTIMATE.start_ensure_string_is_allocated_#res.offset| 0) (= |ULTIMATE.start_ensure_string_is_allocated_nondet_length_#res.offset| 0) (not (= |ULTIMATE.start_ensure_string_is_allocated_#res.base| 0)) (= ULTIMATE.start_aws_string_bytes_~str.base ULTIMATE.start_aws_string_bytes_harness_~str~3.base) (= (let ((.cse4 (select |#memory_int| |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.base|))) (select .cse4 (let ((.cse5 (select .cse4 8))) (+ (* (div .cse5 4294967296) (- 4294967296)) .cse5 12)))) 0) (not (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.base| 0)) (= (let ((.cse6 (select |#memory_int| ULTIMATE.start_aws_string_is_valid_~str.base))) (select .cse6 (let ((.cse7 (select .cse6 (+ ULTIMATE.start_aws_string_is_valid_~str.offset 8)))) (+ (* (div .cse7 4294967296) (- 4294967296)) .cse7 12)))) 0) (= ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size 18446744073710786169) (= ULTIMATE.start_aws_string_bytes_~str.offset ULTIMATE.start_aws_string_bytes_harness_~str~3.offset) (= ULTIMATE.start_ensure_string_is_allocated_~str~0.offset 0) (not (= ULTIMATE.start_aws_string_bytes_harness_~str~3.base 0)) (not (= |ULTIMATE.start_ensure_string_is_allocated_nondet_length_#res.base| 0)) (<= 1 |ULTIMATE.start_aws_string_is_valid_#res|) (not (= ULTIMATE.start_aws_string_is_valid_~str.base 0)) (= (let ((.cse8 (select |#memory_int| ULTIMATE.start_aws_string_bytes_harness_~str~3.base))) (select .cse8 (let ((.cse9 (select .cse8 8))) (+ .cse9 (* (div .cse9 4294967296) (- 4294967296)) 12)))) 0) (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)) (<= |ULTIMATE.start_aws_string_is_valid_#res| 1) (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.offset| 0) (not (= ULTIMATE.start_ensure_string_is_allocated_~str~0.base 0)) (= ULTIMATE.start_aws_string_is_valid_~str.offset 0)) [2020-12-04 19:20:37,259 INFO L258 CegarLoopResult]: At program point L6934(lines 6933 6935) the Hoare annotation is: (and (= ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size 18446744073710786169) (= ULTIMATE.start_ensure_string_is_allocated_~str~0.offset 0) (= |ULTIMATE.start_bounded_malloc_#res.offset| 0) (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)) (not (= ULTIMATE.start_ensure_string_is_allocated_~str~0.base 0))) [2020-12-04 19:20:37,259 INFO L258 CegarLoopResult]: At program point L6839(lines 6837 6842) the Hoare annotation is: (and (= (let ((.cse0 (select |#memory_int| |ULTIMATE.start_ensure_string_is_allocated_nondet_length_#res.base|))) (select .cse0 (let ((.cse1 (select .cse0 8))) (+ .cse1 (* (div .cse1 4294967296) (- 4294967296)) 12)))) 0) (= (let ((.cse2 (select |#memory_int| |ULTIMATE.start_ensure_string_is_allocated_#res.base|))) (select .cse2 (let ((.cse3 (select .cse2 8))) (+ .cse3 (* (div .cse3 4294967296) (- 4294967296)) 12)))) 0) (= |ULTIMATE.start_bounded_malloc_#res.offset| 0) (= |ULTIMATE.start_ensure_string_is_allocated_#res.offset| 0) (= |ULTIMATE.start_ensure_string_is_allocated_nondet_length_#res.offset| 0) (not (= |ULTIMATE.start_ensure_string_is_allocated_#res.base| 0)) (= (let ((.cse4 (select |#memory_int| |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.base|))) (select .cse4 (let ((.cse5 (select .cse4 8))) (+ (* (div .cse5 4294967296) (- 4294967296)) .cse5 12)))) 0) (not (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.base| 0)) (= ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size 18446744073710786169) (= ULTIMATE.start_ensure_string_is_allocated_~str~0.offset 0) (not (= |ULTIMATE.start_ensure_string_is_allocated_nondet_length_#res.base| 0)) (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)) (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.offset| 0) (not (= ULTIMATE.start_ensure_string_is_allocated_~str~0.base 0))) [2020-12-04 19:20:37,259 INFO L262 CegarLoopResult]: For program point L6306-12(line 6306) no Hoare annotation was computed. [2020-12-04 19:20:37,259 INFO L262 CegarLoopResult]: For program point L6306-9(line 6306) no Hoare annotation was computed. [2020-12-04 19:20:37,260 INFO L262 CegarLoopResult]: For program point L6306-10(line 6306) no Hoare annotation was computed. [2020-12-04 19:20:37,260 INFO L258 CegarLoopResult]: At program point L6930(lines 6926 6931) the Hoare annotation is: (and (= ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size 18446744073710786169) (= |ULTIMATE.start_bounded_malloc_#res.offset| 0) (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0))) [2020-12-04 19:20:37,260 INFO L258 CegarLoopResult]: At program point L6306-13(lines 6302 6307) the Hoare annotation is: (let ((.cse6 (+ ULTIMATE.start_aws_string_bytes_harness_~str~3.offset 12))) (and (= (let ((.cse0 (select |#memory_int| |ULTIMATE.start_ensure_string_is_allocated_nondet_length_#res.base|))) (select .cse0 (let ((.cse1 (select .cse0 8))) (+ .cse1 (* (div .cse1 4294967296) (- 4294967296)) 12)))) 0) (= ULTIMATE.start_aws_string_bytes_harness_~str~3.base |ULTIMATE.start_aws_string_bytes_#res.base|) (= |ULTIMATE.start_bounded_malloc_#res.offset| 0) (= |ULTIMATE.start_ensure_string_is_allocated_#res.offset| 0) (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (not (= |ULTIMATE.start_ensure_string_is_allocated_#res.base| 0)) (not (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.base| 0)) (= (let ((.cse2 (select |#memory_int| ULTIMATE.start_aws_string_is_valid_~str.base))) (select .cse2 (let ((.cse3 (select .cse2 (+ ULTIMATE.start_aws_string_is_valid_~str.offset 8)))) (+ (* (div .cse3 4294967296) (- 4294967296)) .cse3 12)))) 0) (= ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size 18446744073710786169) (= ULTIMATE.start_aws_string_bytes_~str.offset ULTIMATE.start_aws_string_bytes_harness_~str~3.offset) (= ULTIMATE.start_ensure_string_is_allocated_~str~0.offset 0) (not (= |ULTIMATE.start_ensure_string_is_allocated_nondet_length_#res.base| 0)) (= (let ((.cse4 (select |#memory_int| ULTIMATE.start_aws_string_bytes_harness_~str~3.base))) (select .cse4 (let ((.cse5 (select .cse4 8))) (+ .cse5 (* (div .cse5 4294967296) (- 4294967296)) 12)))) 0) (<= |ULTIMATE.start_aws_string_is_valid_#res| 1) (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.offset| 0) (not (= ULTIMATE.start_ensure_string_is_allocated_~str~0.base 0)) (<= |ULTIMATE.start_aws_string_bytes_#res.offset| .cse6) (= ULTIMATE.start_aws_string_is_valid_~str.offset 0) (= ULTIMATE.start_aws_string_bytes_harness_~str~3.offset 0) (= (let ((.cse7 (select |#memory_int| |ULTIMATE.start_ensure_string_is_allocated_#res.base|))) (select .cse7 (let ((.cse8 (select .cse7 8))) (+ .cse8 (* (div .cse8 4294967296) (- 4294967296)) 12)))) 0) (= |ULTIMATE.start_ensure_string_is_allocated_nondet_length_#res.offset| 0) (= ULTIMATE.start_aws_string_bytes_~str.base ULTIMATE.start_aws_string_bytes_harness_~str~3.base) (= (let ((.cse9 (select |#memory_int| |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.base|))) (select .cse9 (let ((.cse10 (select .cse9 8))) (+ (* (div .cse10 4294967296) (- 4294967296)) .cse10 12)))) 0) (<= .cse6 |ULTIMATE.start_aws_string_bytes_#res.offset|) (<= 1 |ULTIMATE.start_aws_string_is_valid_#res|) (<= (div ULTIMATE.start___VERIFIER_assert_~cond 256) 0) (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)))) [2020-12-04 19:20:37,261 INFO L258 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: (= ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size 18446744073710786169) [2020-12-04 19:20:37,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.12 07:20:37 BoogieIcfgContainer [2020-12-04 19:20:37,304 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-04 19:20:37,305 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-04 19:20:37,305 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-04 19:20:37,305 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-04 19:20:37,306 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 07:20:32" (3/4) ... [2020-12-04 19:20:37,310 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-04 19:20:37,323 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2020-12-04 19:20:37,323 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-04 19:20:37,324 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-04 19:20:37,324 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-04 19:20:37,354 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (max_size == 18446744073710786169 && \result == 0) && !(\result == 0) [2020-12-04 19:20:37,355 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((max_size == 18446744073710786169 && str == 0) && \result == 0) && !(\result == 0)) && !(str == 0) [2020-12-04 19:20:37,355 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((max_size == 18446744073710786169 && str == 0) && \result == 0) && !(\result == 0)) && !(str == 0) [2020-12-04 19:20:37,355 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((max_size == 18446744073710786169 && str == 0) && unknown-#memory_int-unknown[\result][unknown-#memory_int-unknown[\result][8] + unknown-#memory_int-unknown[\result][8] / 4294967296 * -4294967296 + 12] == 0) && \result == 0) && \result == 0) && !(\result == 0)) && !(\result == 0)) && !(str == 0) [2020-12-04 19:20:37,356 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\result == 0) && max_size == 18446744073710786169) && str == 0) && unknown-#memory_int-unknown[\result][unknown-#memory_int-unknown[\result][8] + unknown-#memory_int-unknown[\result][8] / 4294967296 * -4294967296 + 12] == 0) && \result == 0) && \result == 0) && !(\result == 0)) && !(\result == 0)) && \result == 0) && !(str == 0)) && unknown-#memory_int-unknown[\result][unknown-#memory_int-unknown[\result][8] / 4294967296 * -4294967296 + unknown-#memory_int-unknown[\result][8] + 12] == 0 [2020-12-04 19:20:37,356 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((unknown-#memory_int-unknown[\result][unknown-#memory_int-unknown[\result][8] + unknown-#memory_int-unknown[\result][8] / 4294967296 * -4294967296 + 12] == 0 && unknown-#memory_int-unknown[\result][unknown-#memory_int-unknown[\result][8] + unknown-#memory_int-unknown[\result][8] / 4294967296 * -4294967296 + 12] == 0) && \result == 0) && \result == 0) && \result == 0) && !(\result == 0)) && unknown-#memory_int-unknown[\result][unknown-#memory_int-unknown[\result][8] / 4294967296 * -4294967296 + unknown-#memory_int-unknown[\result][8] + 12] == 0) && !(\result == 0)) && max_size == 18446744073710786169) && str == 0) && !(\result == 0)) && !(\result == 0)) && \result == 0) && !(str == 0) [2020-12-04 19:20:37,357 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((unknown-#memory_int-unknown[\result][unknown-#memory_int-unknown[\result][8] + unknown-#memory_int-unknown[\result][8] / 4294967296 * -4294967296 + 12] == 0 && str == 0) && unknown-#memory_int-unknown[\result][unknown-#memory_int-unknown[\result][8] + unknown-#memory_int-unknown[\result][8] / 4294967296 * -4294967296 + 12] == 0) && \result == 0) && \result == 0) && \result == 0) && !(\result == 0)) && str == str) && unknown-#memory_int-unknown[\result][unknown-#memory_int-unknown[\result][8] / 4294967296 * -4294967296 + unknown-#memory_int-unknown[\result][8] + 12] == 0) && !(\result == 0)) && unknown-#memory_int-unknown[str][unknown-#memory_int-unknown[str][str + 8] / 4294967296 * -4294967296 + unknown-#memory_int-unknown[str][str + 8] + 12] == 0) && max_size == 18446744073710786169) && str == str) && str == 0) && !(str == 0)) && !(\result == 0)) && 1 <= \result) && !(str == 0)) && unknown-#memory_int-unknown[str][unknown-#memory_int-unknown[str][8] + unknown-#memory_int-unknown[str][8] / 4294967296 * -4294967296 + 12] == 0) && !(\result == 0)) && \result <= 1) && \result == 0) && !(str == 0)) && str == 0 [2020-12-04 19:20:37,357 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((unknown-#memory_int-unknown[\result][unknown-#memory_int-unknown[\result][8] + unknown-#memory_int-unknown[\result][8] / 4294967296 * -4294967296 + 12] == 0 && str == \result) && \result == 0) && \result == 0) && !(\result == 0)) && !(\result == 0)) && unknown-#memory_int-unknown[str][unknown-#memory_int-unknown[str][str + 8] / 4294967296 * -4294967296 + unknown-#memory_int-unknown[str][str + 8] + 12] == 0) && max_size == 18446744073710786169) && str == str) && str == 0) && !(\result == 0)) && !(str == 0)) && unknown-#memory_int-unknown[str][unknown-#memory_int-unknown[str][8] + unknown-#memory_int-unknown[str][8] / 4294967296 * -4294967296 + 12] == 0) && \result <= 1) && \result == 0) && !(str == 0)) && \result <= str + 12) && str == 0) && str == 0) && unknown-#memory_int-unknown[\result][unknown-#memory_int-unknown[\result][8] + unknown-#memory_int-unknown[\result][8] / 4294967296 * -4294967296 + 12] == 0) && \result == 0) && str == str) && unknown-#memory_int-unknown[\result][unknown-#memory_int-unknown[\result][8] / 4294967296 * -4294967296 + unknown-#memory_int-unknown[\result][8] + 12] == 0) && str + 12 <= \result) && !(str == 0)) && 1 <= \result) && !(\result == 0) [2020-12-04 19:20:37,358 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((unknown-#memory_int-unknown[\result][unknown-#memory_int-unknown[\result][8] + unknown-#memory_int-unknown[\result][8] / 4294967296 * -4294967296 + 12] == 0 && str == \result) && \result == 0) && \result == 0) && 1 <= cond) && !(\result == 0)) && !(\result == 0)) && unknown-#memory_int-unknown[str][unknown-#memory_int-unknown[str][str + 8] / 4294967296 * -4294967296 + unknown-#memory_int-unknown[str][str + 8] + 12] == 0) && max_size == 18446744073710786169) && str == str) && str == 0) && !(\result == 0)) && unknown-#memory_int-unknown[str][unknown-#memory_int-unknown[str][8] + unknown-#memory_int-unknown[str][8] / 4294967296 * -4294967296 + 12] == 0) && \result <= 1) && \result == 0) && !(str == 0)) && \result <= str + 12) && str == 0) && str == 0) && unknown-#memory_int-unknown[\result][unknown-#memory_int-unknown[\result][8] + unknown-#memory_int-unknown[\result][8] / 4294967296 * -4294967296 + 12] == 0) && \result == 0) && str == str) && unknown-#memory_int-unknown[\result][unknown-#memory_int-unknown[\result][8] / 4294967296 * -4294967296 + unknown-#memory_int-unknown[\result][8] + 12] == 0) && str + 12 <= \result) && 1 <= \result) && cond / 256 <= 0) && !(\result == 0) [2020-12-04 19:20:37,396 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-04 19:20:37,397 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-04 19:20:37,398 INFO L168 Benchmark]: Toolchain (without parser) took 8909.76 ms. Allocated memory was 54.5 MB in the beginning and 174.1 MB in the end (delta: 119.5 MB). Free memory was 33.5 MB in the beginning and 111.0 MB in the end (delta: -77.5 MB). Peak memory consumption was 45.0 MB. Max. memory is 16.1 GB. [2020-12-04 19:20:37,399 INFO L168 Benchmark]: CDTParser took 6.09 ms. Allocated memory is still 44.0 MB. Free memory was 20.9 MB in the beginning and 31.0 MB in the end (delta: -10.1 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. [2020-12-04 19:20:37,399 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3204.55 ms. Allocated memory was 54.5 MB in the beginning and 81.8 MB in the end (delta: 27.3 MB). Free memory was 33.3 MB in the beginning and 26.5 MB in the end (delta: 6.7 MB). Peak memory consumption was 48.8 MB. Max. memory is 16.1 GB. [2020-12-04 19:20:37,400 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.50 ms. Allocated memory is still 81.8 MB. Free memory was 26.5 MB in the beginning and 20.9 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-04 19:20:37,400 INFO L168 Benchmark]: Boogie Preprocessor took 48.66 ms. Allocated memory is still 81.8 MB. Free memory was 20.9 MB in the beginning and 18.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-04 19:20:37,401 INFO L168 Benchmark]: RCFGBuilder took 732.66 ms. Allocated memory is still 81.8 MB. Free memory was 18.2 MB in the beginning and 16.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2020-12-04 19:20:37,402 INFO L168 Benchmark]: TraceAbstraction took 4671.43 ms. Allocated memory was 115.3 MB in the beginning and 174.1 MB in the end (delta: 58.7 MB). Free memory was 79.2 MB in the beginning and 116.3 MB in the end (delta: -37.1 MB). Peak memory consumption was 96.1 MB. Max. memory is 16.1 GB. [2020-12-04 19:20:37,402 INFO L168 Benchmark]: Witness Printer took 91.92 ms. Allocated memory is still 174.1 MB. Free memory was 116.3 MB in the beginning and 111.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-04 19:20:37,405 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 6.09 ms. Allocated memory is still 44.0 MB. Free memory was 20.9 MB in the beginning and 31.0 MB in the end (delta: -10.1 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3204.55 ms. Allocated memory was 54.5 MB in the beginning and 81.8 MB in the end (delta: 27.3 MB). Free memory was 33.3 MB in the beginning and 26.5 MB in the end (delta: 6.7 MB). Peak memory consumption was 48.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 140.50 ms. Allocated memory is still 81.8 MB. Free memory was 26.5 MB in the beginning and 20.9 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.66 ms. Allocated memory is still 81.8 MB. Free memory was 20.9 MB in the beginning and 18.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 732.66 ms. Allocated memory is still 81.8 MB. Free memory was 18.2 MB in the beginning and 16.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4671.43 ms. Allocated memory was 115.3 MB in the beginning and 174.1 MB in the end (delta: 58.7 MB). Free memory was 79.2 MB in the beginning and 116.3 MB in the end (delta: -37.1 MB). Peak memory consumption was 96.1 MB. Max. memory is 16.1 GB. * Witness Printer took 91.92 ms. Allocated memory is still 174.1 MB. Free memory was 116.3 MB in the beginning and 111.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 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: ((((((((((((((((((((((unknown-#memory_int-unknown[\result][unknown-#memory_int-unknown[\result][8] + unknown-#memory_int-unknown[\result][8] / 4294967296 * -4294967296 + 12] == 0 && str == 0) && unknown-#memory_int-unknown[\result][unknown-#memory_int-unknown[\result][8] + unknown-#memory_int-unknown[\result][8] / 4294967296 * -4294967296 + 12] == 0) && \result == 0) && \result == 0) && \result == 0) && !(\result == 0)) && str == str) && unknown-#memory_int-unknown[\result][unknown-#memory_int-unknown[\result][8] / 4294967296 * -4294967296 + unknown-#memory_int-unknown[\result][8] + 12] == 0) && !(\result == 0)) && unknown-#memory_int-unknown[str][unknown-#memory_int-unknown[str][str + 8] / 4294967296 * -4294967296 + unknown-#memory_int-unknown[str][str + 8] + 12] == 0) && max_size == 18446744073710786169) && str == str) && str == 0) && !(str == 0)) && !(\result == 0)) && 1 <= \result) && !(str == 0)) && unknown-#memory_int-unknown[str][unknown-#memory_int-unknown[str][8] + unknown-#memory_int-unknown[str][8] / 4294967296 * -4294967296 + 12] == 0) && !(\result == 0)) && \result <= 1) && \result == 0) && !(str == 0)) && str == 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: max_size == 18446744073710786169 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: (((max_size == 18446744073710786169 && str == 0) && \result == 0) && !(\result == 0)) && !(str == 0) - InvariantResult [Line: 6850]: Loop Invariant Derived loop invariant: ((((((max_size == 18446744073710786169 && str == 0) && unknown-#memory_int-unknown[\result][unknown-#memory_int-unknown[\result][8] + unknown-#memory_int-unknown[\result][8] / 4294967296 * -4294967296 + 12] == 0) && \result == 0) && \result == 0) && !(\result == 0)) && !(\result == 0)) && !(str == 0) - InvariantResult [Line: 6933]: Loop Invariant Derived loop invariant: (((max_size == 18446744073710786169 && str == 0) && \result == 0) && !(\result == 0)) && !(str == 0) - InvariantResult [Line: 6302]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((unknown-#memory_int-unknown[\result][unknown-#memory_int-unknown[\result][8] + unknown-#memory_int-unknown[\result][8] / 4294967296 * -4294967296 + 12] == 0 && str == \result) && \result == 0) && \result == 0) && 1 <= cond) && !(\result == 0)) && !(\result == 0)) && unknown-#memory_int-unknown[str][unknown-#memory_int-unknown[str][str + 8] / 4294967296 * -4294967296 + unknown-#memory_int-unknown[str][str + 8] + 12] == 0) && max_size == 18446744073710786169) && str == str) && str == 0) && !(\result == 0)) && unknown-#memory_int-unknown[str][unknown-#memory_int-unknown[str][8] + unknown-#memory_int-unknown[str][8] / 4294967296 * -4294967296 + 12] == 0) && \result <= 1) && \result == 0) && !(str == 0)) && \result <= str + 12) && str == 0) && str == 0) && unknown-#memory_int-unknown[\result][unknown-#memory_int-unknown[\result][8] + unknown-#memory_int-unknown[\result][8] / 4294967296 * -4294967296 + 12] == 0) && \result == 0) && str == str) && unknown-#memory_int-unknown[\result][unknown-#memory_int-unknown[\result][8] / 4294967296 * -4294967296 + unknown-#memory_int-unknown[\result][8] + 12] == 0) && str + 12 <= \result) && 1 <= \result) && cond / 256 <= 0) && !(\result == 0) - InvariantResult [Line: 7264]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6844]: Loop Invariant Derived loop invariant: (((((((((!(\result == 0) && max_size == 18446744073710786169) && str == 0) && unknown-#memory_int-unknown[\result][unknown-#memory_int-unknown[\result][8] + unknown-#memory_int-unknown[\result][8] / 4294967296 * -4294967296 + 12] == 0) && \result == 0) && \result == 0) && !(\result == 0)) && !(\result == 0)) && \result == 0) && !(str == 0)) && unknown-#memory_int-unknown[\result][unknown-#memory_int-unknown[\result][8] / 4294967296 * -4294967296 + unknown-#memory_int-unknown[\result][8] + 12] == 0 - InvariantResult [Line: 6837]: Loop Invariant Derived loop invariant: ((((((((((((unknown-#memory_int-unknown[\result][unknown-#memory_int-unknown[\result][8] + unknown-#memory_int-unknown[\result][8] / 4294967296 * -4294967296 + 12] == 0 && unknown-#memory_int-unknown[\result][unknown-#memory_int-unknown[\result][8] + unknown-#memory_int-unknown[\result][8] / 4294967296 * -4294967296 + 12] == 0) && \result == 0) && \result == 0) && \result == 0) && !(\result == 0)) && unknown-#memory_int-unknown[\result][unknown-#memory_int-unknown[\result][8] / 4294967296 * -4294967296 + unknown-#memory_int-unknown[\result][8] + 12] == 0) && !(\result == 0)) && max_size == 18446744073710786169) && str == 0) && !(\result == 0)) && !(\result == 0)) && \result == 0) && !(str == 0) - InvariantResult [Line: 6926]: Loop Invariant Derived loop invariant: (max_size == 18446744073710786169 && \result == 0) && !(\result == 0) - InvariantResult [Line: 6292]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((unknown-#memory_int-unknown[\result][unknown-#memory_int-unknown[\result][8] + unknown-#memory_int-unknown[\result][8] / 4294967296 * -4294967296 + 12] == 0 && str == \result) && \result == 0) && \result == 0) && !(\result == 0)) && !(\result == 0)) && unknown-#memory_int-unknown[str][unknown-#memory_int-unknown[str][str + 8] / 4294967296 * -4294967296 + unknown-#memory_int-unknown[str][str + 8] + 12] == 0) && max_size == 18446744073710786169) && str == str) && str == 0) && !(\result == 0)) && !(str == 0)) && unknown-#memory_int-unknown[str][unknown-#memory_int-unknown[str][8] + unknown-#memory_int-unknown[str][8] / 4294967296 * -4294967296 + 12] == 0) && \result <= 1) && \result == 0) && !(str == 0)) && \result <= str + 12) && str == 0) && str == 0) && unknown-#memory_int-unknown[\result][unknown-#memory_int-unknown[\result][8] + unknown-#memory_int-unknown[\result][8] / 4294967296 * -4294967296 + 12] == 0) && \result == 0) && str == str) && unknown-#memory_int-unknown[\result][unknown-#memory_int-unknown[\result][8] / 4294967296 * -4294967296 + unknown-#memory_int-unknown[\result][8] + 12] == 0) && str + 12 <= \result) && !(str == 0)) && 1 <= \result) && !(\result == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 40 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.8s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 163 SDtfs, 535 SDslu, 429 SDs, 0 SdLazy, 244 SolverSat, 62 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 83 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.4s 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, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 21 NumberOfFragments, 842 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 165 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 159 ConstructedInterpolants, 0 QuantifiedInterpolants, 21978 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...