./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 173e3943 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_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 b64b813c3d856efe8cd859d380d09d4b682c371a0a165a5a5fe0d11dc206dad7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 11:45:21,832 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 11:45:21,834 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 11:45:21,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 11:45:21,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 11:45:21,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 11:45:21,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 11:45:21,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 11:45:21,892 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 11:45:21,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 11:45:21,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 11:45:21,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 11:45:21,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 11:45:21,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 11:45:21,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 11:45:21,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 11:45:21,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 11:45:21,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 11:45:21,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 11:45:21,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 11:45:21,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 11:45:21,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 11:45:21,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 11:45:21,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 11:45:21,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 11:45:21,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 11:45:21,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 11:45:21,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 11:45:21,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 11:45:21,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 11:45:21,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 11:45:21,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 11:45:21,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 11:45:21,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 11:45:21,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 11:45:21,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 11:45:21,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 11:45:21,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 11:45:21,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 11:45:21,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 11:45:21,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 11:45:21,929 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-06 11:45:21,950 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 11:45:21,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 11:45:21,953 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 11:45:21,953 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 11:45:21,954 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 11:45:21,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 11:45:21,954 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 11:45:21,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 11:45:21,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 11:45:21,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 11:45:21,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 11:45:21,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 11:45:21,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 11:45:21,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 11:45:21,956 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 11:45:21,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 11:45:21,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 11:45:21,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 11:45:21,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 11:45:21,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 11:45:21,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 11:45:21,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 11:45:21,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 11:45:21,957 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 11:45:21,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 11:45:21,958 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 11:45:21,958 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 11:45:21,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 11:45:21,958 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 11:45:21,958 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b64b813c3d856efe8cd859d380d09d4b682c371a0a165a5a5fe0d11dc206dad7 [2021-11-06 11:45:22,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 11:45:22,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 11:45:22,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 11:45:22,170 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 11:45:22,170 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 11:45:22,171 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i [2021-11-06 11:45:22,229 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd262cbe2/80a0cf19e76e4857bbba936c374de10d/FLAG3708e1b30 [2021-11-06 11:45:22,856 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 11:45:22,857 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i [2021-11-06 11:45:22,889 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd262cbe2/80a0cf19e76e4857bbba936c374de10d/FLAG3708e1b30 [2021-11-06 11:45:23,036 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd262cbe2/80a0cf19e76e4857bbba936c374de10d [2021-11-06 11:45:23,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 11:45:23,040 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 11:45:23,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 11:45:23,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 11:45:23,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 11:45:23,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:45:23" (1/1) ... [2021-11-06 11:45:23,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be4e1b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:45:23, skipping insertion in model container [2021-11-06 11:45:23,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:45:23" (1/1) ... [2021-11-06 11:45:23,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 11:45:23,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 11:45:23,326 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i[4493,4506] [2021-11-06 11:45:23,333 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i[4553,4566] [2021-11-06 11:45:23,351 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-06 11:45:23,360 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-06 11:45:23,947 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:45:23,951 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:45:23,951 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:45:23,952 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:45:23,952 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:45:23,960 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:45:23,961 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:45:23,962 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:45:23,962 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:45:24,190 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-06 11:45:24,191 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-06 11:45:24,193 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-06 11:45:24,194 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-06 11:45:24,200 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-06 11:45:24,202 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-06 11:45:24,202 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-06 11:45:24,203 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-06 11:45:24,205 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-06 11:45:24,205 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-06 11:45:24,307 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-06 11:45:24,390 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:45:24,395 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:45:24,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 11:45:24,465 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 11:45:24,474 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i[4493,4506] [2021-11-06 11:45:24,481 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i[4553,4566] [2021-11-06 11:45:24,487 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-06 11:45:24,488 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-06 11:45:24,534 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:45:24,535 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:45:24,535 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:45:24,536 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:45:24,536 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:45:24,540 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:45:24,540 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:45:24,541 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:45:24,541 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:45:24,559 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-06 11:45:24,561 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-06 11:45:24,562 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-06 11:45:24,567 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-06 11:45:24,568 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-06 11:45:24,569 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-06 11:45:24,570 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-06 11:45:24,570 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-06 11:45:24,575 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-06 11:45:24,577 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-06 11:45:24,593 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-06 11:45:24,654 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:45:24,655 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:45:24,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 11:45:24,846 INFO L208 MainTranslator]: Completed translation [2021-11-06 11:45:24,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:45:24 WrapperNode [2021-11-06 11:45:24,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 11:45:24,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 11:45:24,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 11:45:24,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 11:45:24,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:45:24" (1/1) ... [2021-11-06 11:45:24,938 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:45:24" (1/1) ... [2021-11-06 11:45:25,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 11:45:25,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 11:45:25,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 11:45:25,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 11:45:25,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:45:24" (1/1) ... [2021-11-06 11:45:25,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:45:24" (1/1) ... [2021-11-06 11:45:25,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:45:24" (1/1) ... [2021-11-06 11:45:25,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:45:24" (1/1) ... [2021-11-06 11:45:25,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:45:24" (1/1) ... [2021-11-06 11:45:25,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:45:24" (1/1) ... [2021-11-06 11:45:25,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:45:24" (1/1) ... [2021-11-06 11:45:25,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 11:45:25,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 11:45:25,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 11:45:25,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 11:45:25,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:45:24" (1/1) ... [2021-11-06 11:45:25,102 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 11:45:25,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 11:45:25,133 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-06 11:45:25,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-06 11:45:25,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 11:45:25,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 11:45:25,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 11:45:25,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 11:45:25,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 11:45:25,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 11:45:25,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-06 11:45:25,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 11:45:25,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 11:45:25,744 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 11:45:25,745 INFO L299 CfgBuilder]: Removed 71 assume(true) statements. [2021-11-06 11:45:25,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:45:25 BoogieIcfgContainer [2021-11-06 11:45:25,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 11:45:25,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 11:45:25,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 11:45:25,751 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 11:45:25,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:45:23" (1/3) ... [2021-11-06 11:45:25,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f0d3cdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:45:25, skipping insertion in model container [2021-11-06 11:45:25,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:45:24" (2/3) ... [2021-11-06 11:45:25,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f0d3cdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:45:25, skipping insertion in model container [2021-11-06 11:45:25,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:45:25" (3/3) ... [2021-11-06 11:45:25,753 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_eq_c_str_harness.i [2021-11-06 11:45:25,761 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 11:45:25,761 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-11-06 11:45:25,802 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 11:45:25,810 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-06 11:45:25,810 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-06 11:45:25,826 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 80 states have (on average 1.4375) internal successors, (115), 85 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:45:25,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-06 11:45:25,830 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:45:25,831 INFO L513 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] [2021-11-06 11:45:25,831 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-06 11:45:25,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:45:25,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1267490943, now seen corresponding path program 1 times [2021-11-06 11:45:25,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:45:25,842 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182212868] [2021-11-06 11:45:25,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:45:25,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:45:25,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:45:26,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:45:26,133 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:45:26,134 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182212868] [2021-11-06 11:45:26,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182212868] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:45:26,135 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:45:26,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 11:45:26,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548975643] [2021-11-06 11:45:26,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 11:45:26,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:45:26,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 11:45:26,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 11:45:26,172 INFO L87 Difference]: Start difference. First operand has 86 states, 80 states have (on average 1.4375) internal successors, (115), 85 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:45:26,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:45:26,197 INFO L93 Difference]: Finished difference Result 166 states and 222 transitions. [2021-11-06 11:45:26,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 11:45:26,199 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-06 11:45:26,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:45:26,205 INFO L225 Difference]: With dead ends: 166 [2021-11-06 11:45:26,206 INFO L226 Difference]: Without dead ends: 80 [2021-11-06 11:45:26,208 INFO L786 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 [2021-11-06 11:45:26,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-11-06 11:45:26,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-11-06 11:45:26,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 75 states have (on average 1.2266666666666666) internal successors, (92), 79 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:45:26,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 92 transitions. [2021-11-06 11:45:26,250 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 92 transitions. Word has length 22 [2021-11-06 11:45:26,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:45:26,251 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 92 transitions. [2021-11-06 11:45:26,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:45:26,252 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 92 transitions. [2021-11-06 11:45:26,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-06 11:45:26,255 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:45:26,255 INFO L513 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] [2021-11-06 11:45:26,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 11:45:26,259 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-06 11:45:26,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:45:26,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1009325505, now seen corresponding path program 1 times [2021-11-06 11:45:26,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:45:26,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711072606] [2021-11-06 11:45:26,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:45:26,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:45:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:45:26,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:45:26,420 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:45:26,420 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711072606] [2021-11-06 11:45:26,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711072606] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:45:26,421 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:45:26,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 11:45:26,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378095568] [2021-11-06 11:45:26,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 11:45:26,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:45:26,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 11:45:26,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 11:45:26,424 INFO L87 Difference]: Start difference. First operand 80 states and 92 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:45:26,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:45:26,479 INFO L93 Difference]: Finished difference Result 144 states and 166 transitions. [2021-11-06 11:45:26,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 11:45:26,480 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-06 11:45:26,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:45:26,481 INFO L225 Difference]: With dead ends: 144 [2021-11-06 11:45:26,482 INFO L226 Difference]: Without dead ends: 80 [2021-11-06 11:45:26,483 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 11:45:26,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-11-06 11:45:26,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-11-06 11:45:26,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 75 states have (on average 1.2133333333333334) internal successors, (91), 79 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:45:26,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 91 transitions. [2021-11-06 11:45:26,495 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 91 transitions. Word has length 22 [2021-11-06 11:45:26,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:45:26,497 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 91 transitions. [2021-11-06 11:45:26,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:45:26,499 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 91 transitions. [2021-11-06 11:45:26,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-06 11:45:26,500 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:45:26,500 INFO L513 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, 1, 1] [2021-11-06 11:45:26,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 11:45:26,500 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-06 11:45:26,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:45:26,501 INFO L85 PathProgramCache]: Analyzing trace with hash 2090456739, now seen corresponding path program 1 times [2021-11-06 11:45:26,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:45:26,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643865315] [2021-11-06 11:45:26,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:45:26,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:45:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:45:26,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:45:26,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:45:26,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643865315] [2021-11-06 11:45:26,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643865315] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:45:26,692 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:45:26,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-06 11:45:26,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833095315] [2021-11-06 11:45:26,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-06 11:45:26,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:45:26,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-06 11:45:26,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-06 11:45:26,694 INFO L87 Difference]: Start difference. First operand 80 states and 91 transitions. Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:45:26,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:45:26,837 INFO L93 Difference]: Finished difference Result 110 states and 122 transitions. [2021-11-06 11:45:26,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-06 11:45:26,838 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-06 11:45:26,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:45:26,840 INFO L225 Difference]: With dead ends: 110 [2021-11-06 11:45:26,840 INFO L226 Difference]: Without dead ends: 80 [2021-11-06 11:45:26,841 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2021-11-06 11:45:26,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-11-06 11:45:26,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-11-06 11:45:26,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 75 states have (on average 1.2) internal successors, (90), 79 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:45:26,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 90 transitions. [2021-11-06 11:45:26,855 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 90 transitions. Word has length 33 [2021-11-06 11:45:26,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:45:26,855 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 90 transitions. [2021-11-06 11:45:26,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:45:26,855 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2021-11-06 11:45:26,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-06 11:45:26,856 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:45:26,856 INFO L513 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, 1, 1, 1] [2021-11-06 11:45:26,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-06 11:45:26,857 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-06 11:45:26,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:45:26,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1931203523, now seen corresponding path program 1 times [2021-11-06 11:45:26,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:45:26,859 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462052390] [2021-11-06 11:45:26,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:45:26,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:45:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:45:26,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:45:26,949 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:45:26,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462052390] [2021-11-06 11:45:26,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462052390] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:45:26,949 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:45:26,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 11:45:26,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366564103] [2021-11-06 11:45:26,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 11:45:26,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:45:26,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 11:45:26,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 11:45:26,951 INFO L87 Difference]: Start difference. First operand 80 states and 90 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:45:26,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:45:26,970 INFO L93 Difference]: Finished difference Result 132 states and 150 transitions. [2021-11-06 11:45:26,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 11:45:26,971 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-06 11:45:26,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:45:26,973 INFO L225 Difference]: With dead ends: 132 [2021-11-06 11:45:26,973 INFO L226 Difference]: Without dead ends: 80 [2021-11-06 11:45:26,974 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 11:45:26,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-11-06 11:45:26,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-11-06 11:45:26,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 75 states have (on average 1.1866666666666668) internal successors, (89), 79 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:45:26,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 89 transitions. [2021-11-06 11:45:26,984 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 89 transitions. Word has length 34 [2021-11-06 11:45:26,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:45:26,985 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 89 transitions. [2021-11-06 11:45:26,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:45:26,985 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2021-11-06 11:45:26,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-06 11:45:26,986 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:45:26,986 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 11:45:26,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-06 11:45:26,986 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-06 11:45:26,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:45:26,987 INFO L85 PathProgramCache]: Analyzing trace with hash 268760160, now seen corresponding path program 1 times [2021-11-06 11:45:26,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:45:26,987 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008969216] [2021-11-06 11:45:26,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:45:26,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:45:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:45:27,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:45:27,130 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:45:27,130 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008969216] [2021-11-06 11:45:27,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008969216] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:45:27,130 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:45:27,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-06 11:45:27,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720150524] [2021-11-06 11:45:27,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-06 11:45:27,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:45:27,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-06 11:45:27,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-06 11:45:27,131 INFO L87 Difference]: Start difference. First operand 80 states and 89 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:45:27,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:45:27,241 INFO L93 Difference]: Finished difference Result 125 states and 139 transitions. [2021-11-06 11:45:27,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-06 11:45:27,242 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-11-06 11:45:27,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:45:27,243 INFO L225 Difference]: With dead ends: 125 [2021-11-06 11:45:27,243 INFO L226 Difference]: Without dead ends: 80 [2021-11-06 11:45:27,245 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2021-11-06 11:45:27,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-11-06 11:45:27,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-11-06 11:45:27,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 75 states have (on average 1.1733333333333333) internal successors, (88), 79 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:45:27,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 88 transitions. [2021-11-06 11:45:27,252 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 88 transitions. Word has length 43 [2021-11-06 11:45:27,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:45:27,252 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 88 transitions. [2021-11-06 11:45:27,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:45:27,252 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2021-11-06 11:45:27,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-06 11:45:27,253 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:45:27,253 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 11:45:27,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-06 11:45:27,253 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-06 11:45:27,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:45:27,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1742888769, now seen corresponding path program 1 times [2021-11-06 11:45:27,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:45:27,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549771297] [2021-11-06 11:45:27,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:45:27,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:45:27,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:45:27,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:45:27,471 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:45:27,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549771297] [2021-11-06 11:45:27,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549771297] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:45:27,471 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:45:27,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-06 11:45:27,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415903608] [2021-11-06 11:45:27,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-06 11:45:27,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:45:27,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-06 11:45:27,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-11-06 11:45:27,473 INFO L87 Difference]: Start difference. First operand 80 states and 88 transitions. Second operand has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:45:27,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:45:27,730 INFO L93 Difference]: Finished difference Result 110 states and 119 transitions. [2021-11-06 11:45:27,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-06 11:45:27,731 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-11-06 11:45:27,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:45:27,731 INFO L225 Difference]: With dead ends: 110 [2021-11-06 11:45:27,732 INFO L226 Difference]: Without dead ends: 80 [2021-11-06 11:45:27,732 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2021-11-06 11:45:27,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-11-06 11:45:27,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-11-06 11:45:27,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 75 states have (on average 1.16) internal successors, (87), 79 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:45:27,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 87 transitions. [2021-11-06 11:45:27,735 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 87 transitions. Word has length 48 [2021-11-06 11:45:27,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:45:27,737 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 87 transitions. [2021-11-06 11:45:27,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:45:27,737 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions. [2021-11-06 11:45:27,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-06 11:45:27,738 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:45:27,738 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 11:45:27,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-06 11:45:27,738 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-06 11:45:27,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:45:27,739 INFO L85 PathProgramCache]: Analyzing trace with hash -300657421, now seen corresponding path program 1 times [2021-11-06 11:45:27,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:45:27,739 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683017188] [2021-11-06 11:45:27,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:45:27,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:45:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:45:27,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:45:27,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:45:27,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683017188] [2021-11-06 11:45:27,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683017188] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:45:27,858 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:45:27,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-06 11:45:27,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632523157] [2021-11-06 11:45:27,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-06 11:45:27,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:45:27,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-06 11:45:27,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-11-06 11:45:27,860 INFO L87 Difference]: Start difference. First operand 80 states and 87 transitions. Second operand has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:45:28,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:45:28,045 INFO L93 Difference]: Finished difference Result 129 states and 141 transitions. [2021-11-06 11:45:28,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-06 11:45:28,046 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-11-06 11:45:28,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:45:28,047 INFO L225 Difference]: With dead ends: 129 [2021-11-06 11:45:28,047 INFO L226 Difference]: Without dead ends: 80 [2021-11-06 11:45:28,047 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2021-11-06 11:45:28,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-11-06 11:45:28,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-11-06 11:45:28,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 75 states have (on average 1.1066666666666667) internal successors, (83), 79 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:45:28,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 83 transitions. [2021-11-06 11:45:28,050 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 83 transitions. Word has length 55 [2021-11-06 11:45:28,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:45:28,050 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 83 transitions. [2021-11-06 11:45:28,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:45:28,050 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions. [2021-11-06 11:45:28,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-06 11:45:28,051 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:45:28,051 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 11:45:28,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-06 11:45:28,051 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-06 11:45:28,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:45:28,051 INFO L85 PathProgramCache]: Analyzing trace with hash -168490957, now seen corresponding path program 1 times [2021-11-06 11:45:28,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:45:28,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381050138] [2021-11-06 11:45:28,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:45:28,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:45:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:45:28,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:45:28,417 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:45:28,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381050138] [2021-11-06 11:45:28,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381050138] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:45:28,417 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:45:28,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-06 11:45:28,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127867152] [2021-11-06 11:45:28,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-06 11:45:28,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:45:28,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-06 11:45:28,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-06 11:45:28,419 INFO L87 Difference]: Start difference. First operand 80 states and 83 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:45:28,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:45:28,453 INFO L93 Difference]: Finished difference Result 80 states and 83 transitions. [2021-11-06 11:45:28,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-06 11:45:28,454 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-11-06 11:45:28,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:45:28,454 INFO L225 Difference]: With dead ends: 80 [2021-11-06 11:45:28,454 INFO L226 Difference]: Without dead ends: 0 [2021-11-06 11:45:28,455 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-06 11:45:28,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-06 11:45:28,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-06 11:45:28,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:45:28,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-06 11:45:28,456 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2021-11-06 11:45:28,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:45:28,456 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-06 11:45:28,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:45:28,456 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-06 11:45:28,456 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-06 11:45:28,459 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:45:28,459 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:45:28,459 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:45:28,460 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:45:28,460 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:45:28,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-06 11:45:28,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-06 11:45:28,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 11:45:28,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 11:45:28,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 11:45:28,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 11:45:28,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 11:45:28,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 11:45:28,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 11:45:28,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 11:45:28,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 11:45:28,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 11:45:28,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 11:45:28,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 11:45:28,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 11:45:28,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 11:45:28,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 11:45:28,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 11:45:28,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 11:45:28,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 11:45:28,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 11:45:28,553 INFO L857 garLoopResultBuilder]: For program point L8095-4(lines 8095 8108) no Hoare annotation was computed. [2021-11-06 11:45:28,553 INFO L853 garLoopResultBuilder]: At program point L8095-3(lines 8095 8108) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.base 0))) (or (and (not .cse0) (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)) (= ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0.offset 0) (not (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.base| 0)) (not (= ULTIMATE.start_aws_string_eq_c_str_~str.base 0)) (= ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0.base 0) (not (= |ULTIMATE.start_ensure_string_is_allocated_#res.base| 0)) (not (= ULTIMATE.start_ensure_string_is_allocated_~str~0.base 0))) (and .cse0 (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.offset 0)))) [2021-11-06 11:45:28,553 INFO L857 garLoopResultBuilder]: For program point L8095-2(lines 8095 8108) no Hoare annotation was computed. [2021-11-06 11:45:28,554 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-06 11:45:28,554 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-06 11:45:28,554 INFO L853 garLoopResultBuilder]: At program point L6891(lines 6890 6892) the Hoare annotation is: false [2021-11-06 11:45:28,554 INFO L857 garLoopResultBuilder]: For program point L8097(lines 8097 8101) no Hoare annotation was computed. [2021-11-06 11:45:28,554 INFO L853 garLoopResultBuilder]: At program point L6827(lines 6819 6828) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.base 0) (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.offset 0)) [2021-11-06 11:45:28,554 INFO L860 garLoopResultBuilder]: At program point L8925(line 8925) the Hoare annotation is: true [2021-11-06 11:45:28,554 INFO L857 garLoopResultBuilder]: For program point L6811(lines 6811 6812) no Hoare annotation was computed. [2021-11-06 11:45:28,555 INFO L857 garLoopResultBuilder]: For program point L6811-2(lines 6811 6812) no Hoare annotation was computed. [2021-11-06 11:45:28,555 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 224) no Hoare annotation was computed. [2021-11-06 11:45:28,555 INFO L857 garLoopResultBuilder]: For program point L222-1(lines 222 224) no Hoare annotation was computed. [2021-11-06 11:45:28,555 INFO L857 garLoopResultBuilder]: For program point L222-2(lines 222 224) no Hoare annotation was computed. [2021-11-06 11:45:28,555 INFO L857 garLoopResultBuilder]: For program point L222-3(lines 7102 7112) no Hoare annotation was computed. [2021-11-06 11:45:28,556 INFO L857 garLoopResultBuilder]: For program point L222-4(lines 222 224) no Hoare annotation was computed. [2021-11-06 11:45:28,556 INFO L857 garLoopResultBuilder]: For program point L7589(lines 7589 7597) no Hoare annotation was computed. [2021-11-06 11:45:28,556 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-06 11:45:28,556 INFO L857 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-06 11:45:28,557 INFO L857 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-06 11:45:28,557 INFO L857 garLoopResultBuilder]: For program point L223-3(line 223) no Hoare annotation was computed. [2021-11-06 11:45:28,560 INFO L857 garLoopResultBuilder]: For program point L223-4(line 223) no Hoare annotation was computed. [2021-11-06 11:45:28,560 INFO L857 garLoopResultBuilder]: For program point L223-6(line 223) no Hoare annotation was computed. [2021-11-06 11:45:28,560 INFO L857 garLoopResultBuilder]: For program point L223-7(line 223) no Hoare annotation was computed. [2021-11-06 11:45:28,560 INFO L857 garLoopResultBuilder]: For program point L223-9(line 223) no Hoare annotation was computed. [2021-11-06 11:45:28,560 INFO L857 garLoopResultBuilder]: For program point L223-10(line 223) no Hoare annotation was computed. [2021-11-06 11:45:28,560 INFO L857 garLoopResultBuilder]: For program point L223-12(line 223) no Hoare annotation was computed. [2021-11-06 11:45:28,561 INFO L857 garLoopResultBuilder]: For program point L223-13(line 223) no Hoare annotation was computed. [2021-11-06 11:45:28,561 INFO L857 garLoopResultBuilder]: For program point L8911(lines 8911 8924) no Hoare annotation was computed. [2021-11-06 11:45:28,561 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-06 11:45:28,561 INFO L857 garLoopResultBuilder]: For program point L8912(lines 8912 8913) no Hoare annotation was computed. [2021-11-06 11:45:28,561 INFO L857 garLoopResultBuilder]: For program point L8912-2(lines 8912 8913) no Hoare annotation was computed. [2021-11-06 11:45:28,561 INFO L857 garLoopResultBuilder]: For program point L8103(lines 8103 8107) no Hoare annotation was computed. [2021-11-06 11:45:28,561 INFO L853 garLoopResultBuilder]: At program point L6816(lines 6807 6817) the Hoare annotation is: false [2021-11-06 11:45:28,562 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-06 11:45:28,562 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-06 11:45:28,562 INFO L857 garLoopResultBuilder]: For program point L210(lines 210 212) no Hoare annotation was computed. [2021-11-06 11:45:28,562 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2021-11-06 11:45:28,562 INFO L857 garLoopResultBuilder]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2021-11-06 11:45:28,562 INFO L857 garLoopResultBuilder]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2021-11-06 11:45:28,562 INFO L857 garLoopResultBuilder]: For program point L210-4(lines 210 212) no Hoare annotation was computed. [2021-11-06 11:45:28,563 INFO L857 garLoopResultBuilder]: For program point L210-5(lines 210 212) no Hoare annotation was computed. [2021-11-06 11:45:28,563 INFO L857 garLoopResultBuilder]: For program point L210-6(lines 210 212) no Hoare annotation was computed. [2021-11-06 11:45:28,563 INFO L857 garLoopResultBuilder]: For program point L210-7(lines 210 212) no Hoare annotation was computed. [2021-11-06 11:45:28,563 INFO L857 garLoopResultBuilder]: For program point L210-8(lines 210 212) no Hoare annotation was computed. [2021-11-06 11:45:28,563 INFO L853 garLoopResultBuilder]: At program point L6272(lines 6263 6273) the Hoare annotation is: false [2021-11-06 11:45:28,563 INFO L857 garLoopResultBuilder]: For program point L8915(lines 8915 8916) no Hoare annotation was computed. [2021-11-06 11:45:28,563 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-06 11:45:28,564 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-06 11:45:28,564 INFO L857 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-11-06 11:45:28,564 INFO L857 garLoopResultBuilder]: For program point L211-4(line 211) no Hoare annotation was computed. [2021-11-06 11:45:28,564 INFO L857 garLoopResultBuilder]: For program point L211-6(line 211) no Hoare annotation was computed. [2021-11-06 11:45:28,564 INFO L857 garLoopResultBuilder]: For program point L8915-2(lines 8915 8916) no Hoare annotation was computed. [2021-11-06 11:45:28,564 INFO L857 garLoopResultBuilder]: For program point L211-8(line 211) no Hoare annotation was computed. [2021-11-06 11:45:28,564 INFO L857 garLoopResultBuilder]: For program point L211-10(line 211) no Hoare annotation was computed. [2021-11-06 11:45:28,564 INFO L857 garLoopResultBuilder]: For program point L211-12(line 211) no Hoare annotation was computed. [2021-11-06 11:45:28,564 INFO L860 garLoopResultBuilder]: At program point L261(line 261) the Hoare annotation is: true [2021-11-06 11:45:28,565 INFO L857 garLoopResultBuilder]: For program point L211-14(line 211) no Hoare annotation was computed. [2021-11-06 11:45:28,565 INFO L853 garLoopResultBuilder]: At program point L261-1(line 261) the Hoare annotation is: false [2021-11-06 11:45:28,565 INFO L853 garLoopResultBuilder]: At program point L261-2(line 261) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.base 0) (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.offset 0)) [2021-11-06 11:45:28,565 INFO L857 garLoopResultBuilder]: For program point L211-16(line 211) no Hoare annotation was computed. [2021-11-06 11:45:28,565 INFO L857 garLoopResultBuilder]: For program point L6257-2(line 6257) no Hoare annotation was computed. [2021-11-06 11:45:28,565 INFO L857 garLoopResultBuilder]: For program point L6257-3(line 6257) no Hoare annotation was computed. [2021-11-06 11:45:28,565 INFO L857 garLoopResultBuilder]: For program point L6257(line 6257) no Hoare annotation was computed. [2021-11-06 11:45:28,565 INFO L853 garLoopResultBuilder]: At program point L6257-6(lines 6253 6258) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.base 0))) (or (and (not .cse0) (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)) (= ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0.offset 0) (not (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.base| 0)) (not (= ULTIMATE.start_aws_string_eq_c_str_~str.base 0)) (= ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0.base 0) (not (= |ULTIMATE.start_ensure_string_is_allocated_#res.base| 0)) (not (= ULTIMATE.start_ensure_string_is_allocated_~str~0.base 0))) (and .cse0 (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.offset 0)))) [2021-11-06 11:45:28,566 INFO L857 garLoopResultBuilder]: For program point L6257-7(line 6257) no Hoare annotation was computed. [2021-11-06 11:45:28,566 INFO L857 garLoopResultBuilder]: For program point L6257-5(line 6257) no Hoare annotation was computed. [2021-11-06 11:45:28,566 INFO L857 garLoopResultBuilder]: For program point L6257-10(line 6257) no Hoare annotation was computed. [2021-11-06 11:45:28,566 INFO L857 garLoopResultBuilder]: For program point L6257-9(line 6257) no Hoare annotation was computed. [2021-11-06 11:45:28,566 INFO L857 garLoopResultBuilder]: For program point L6257-12(line 6257) no Hoare annotation was computed. [2021-11-06 11:45:28,567 INFO L853 garLoopResultBuilder]: At program point L6257-13(lines 6253 6258) the Hoare annotation is: false [2021-11-06 11:45:28,567 INFO L857 garLoopResultBuilder]: For program point L7579(line 7579) no Hoare annotation was computed. [2021-11-06 11:45:28,567 INFO L857 garLoopResultBuilder]: For program point L7100(lines 7100 7113) no Hoare annotation was computed. [2021-11-06 11:45:28,567 INFO L857 garLoopResultBuilder]: For program point L7579-2(line 7579) no Hoare annotation was computed. [2021-11-06 11:45:28,567 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-06 11:45:28,567 INFO L857 garLoopResultBuilder]: For program point L7580(lines 7580 7588) no Hoare annotation was computed. [2021-11-06 11:45:28,568 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-06 11:45:28,569 INFO L853 garLoopResultBuilder]: At program point L6804(lines 6801 6805) the Hoare annotation is: false [2021-11-06 11:45:28,570 INFO L857 garLoopResultBuilder]: For program point L8918(lines 8918 8923) no Hoare annotation was computed. [2021-11-06 11:45:28,571 INFO L853 garLoopResultBuilder]: At program point L6887-1(lines 6883 6888) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.base 0) (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.offset 0)) [2021-11-06 11:45:28,571 INFO L853 garLoopResultBuilder]: At program point L6887(lines 6883 6888) the Hoare annotation is: false [2021-11-06 11:45:28,571 INFO L853 garLoopResultBuilder]: At program point L8110(lines 8078 8111) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.base 0))) (or (and (not .cse0) (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)) (= ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0.offset 0) (not (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.base| 0)) (not (= ULTIMATE.start_aws_string_eq_c_str_~str.base 0)) (= ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0.base 0) (not (= |ULTIMATE.start_ensure_string_is_allocated_#res.base| 0)) (not (= ULTIMATE.start_ensure_string_is_allocated_~str~0.base 0))) (and .cse0 (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.offset 0)))) [2021-11-06 11:45:28,571 INFO L853 garLoopResultBuilder]: At program point L7598(lines 7577 7599) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.base 0))) (or (and (not .cse0) (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)) (= ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0.offset 0) (not (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.base| 0)) (not (= ULTIMATE.start_aws_string_eq_c_str_~str.base 0)) (= ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0.base 0) (not (= |ULTIMATE.start_ensure_string_is_allocated_#res.base| 0)) (not (= ULTIMATE.start_ensure_string_is_allocated_~str~0.base 0))) (and .cse0 (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.offset 0)))) [2021-11-06 11:45:28,571 INFO L853 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: (= 16 ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size) [2021-11-06 11:45:28,572 INFO L853 garLoopResultBuilder]: At program point L266-1(line 266) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.base 0) (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.offset 0)) [2021-11-06 11:45:28,572 INFO L853 garLoopResultBuilder]: At program point L266-2(line 266) the Hoare annotation is: false [2021-11-06 11:45:28,574 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 11:45:28,576 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-06 11:45:28,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:45:28 BoogieIcfgContainer [2021-11-06 11:45:28,599 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-06 11:45:28,600 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-06 11:45:28,600 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-06 11:45:28,600 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-06 11:45:28,600 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:45:25" (3/4) ... [2021-11-06 11:45:28,604 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-06 11:45:28,621 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2021-11-06 11:45:28,622 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-06 11:45:28,623 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-06 11:45:28,623 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-06 11:45:28,643 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(str == 0) && !(\result == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) || (str == 0 && str == 0) [2021-11-06 11:45:28,644 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(str == 0) && !(\result == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) || (str == 0 && str == 0) [2021-11-06 11:45:28,644 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(str == 0) && !(\result == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) || (str == 0 && str == 0) [2021-11-06 11:45:28,644 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(str == 0) && !(\result == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) || (str == 0 && str == 0) [2021-11-06 11:45:28,743 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-11-06 11:45:28,743 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-06 11:45:28,744 INFO L168 Benchmark]: Toolchain (without parser) took 5703.62 ms. Allocated memory was 113.2 MB in the beginning and 228.6 MB in the end (delta: 115.3 MB). Free memory was 75.7 MB in the beginning and 57.5 MB in the end (delta: 18.2 MB). Peak memory consumption was 130.7 MB. Max. memory is 16.1 GB. [2021-11-06 11:45:28,745 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 83.9 MB. Free memory is still 40.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-06 11:45:28,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1803.84 ms. Allocated memory was 113.2 MB in the beginning and 182.5 MB in the end (delta: 69.2 MB). Free memory was 75.7 MB in the beginning and 103.2 MB in the end (delta: -27.5 MB). Peak memory consumption was 57.4 MB. Max. memory is 16.1 GB. [2021-11-06 11:45:28,745 INFO L168 Benchmark]: Boogie Procedure Inliner took 161.53 ms. Allocated memory is still 182.5 MB. Free memory was 102.2 MB in the beginning and 92.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-06 11:45:28,745 INFO L168 Benchmark]: Boogie Preprocessor took 82.73 ms. Allocated memory is still 182.5 MB. Free memory was 92.8 MB in the beginning and 88.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-06 11:45:28,746 INFO L168 Benchmark]: RCFGBuilder took 652.73 ms. Allocated memory is still 182.5 MB. Free memory was 88.6 MB in the beginning and 99.0 MB in the end (delta: -10.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-06 11:45:28,746 INFO L168 Benchmark]: TraceAbstraction took 2851.38 ms. Allocated memory was 182.5 MB in the beginning and 228.6 MB in the end (delta: 46.1 MB). Free memory was 99.0 MB in the beginning and 131.5 MB in the end (delta: -32.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2021-11-06 11:45:28,746 INFO L168 Benchmark]: Witness Printer took 143.69 ms. Allocated memory is still 228.6 MB. Free memory was 131.5 MB in the beginning and 57.5 MB in the end (delta: 74.0 MB). Peak memory consumption was 71.3 MB. Max. memory is 16.1 GB. [2021-11-06 11:45:28,747 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 83.9 MB. Free memory is still 40.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1803.84 ms. Allocated memory was 113.2 MB in the beginning and 182.5 MB in the end (delta: 69.2 MB). Free memory was 75.7 MB in the beginning and 103.2 MB in the end (delta: -27.5 MB). Peak memory consumption was 57.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 161.53 ms. Allocated memory is still 182.5 MB. Free memory was 102.2 MB in the beginning and 92.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.73 ms. Allocated memory is still 182.5 MB. Free memory was 92.8 MB in the beginning and 88.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 652.73 ms. Allocated memory is still 182.5 MB. Free memory was 88.6 MB in the beginning and 99.0 MB in the end (delta: -10.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2851.38 ms. Allocated memory was 182.5 MB in the beginning and 228.6 MB in the end (delta: 46.1 MB). Free memory was 99.0 MB in the beginning and 131.5 MB in the end (delta: -32.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. * Witness Printer took 143.69 ms. Allocated memory is still 228.6 MB. Free memory was 131.5 MB in the beginning and 57.5 MB in the end (delta: 74.0 MB). Peak memory consumption was 71.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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 - 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 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 86 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 572 SDtfs, 1696 SDslu, 1245 SDs, 0 SdLazy, 307 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=0, InterpolantAutomatonStates: 62, 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, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 19 PreInvPairs, 32 NumberOfFragments, 197 HoareAnnotationTreeSize, 19 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 312 NumberOfCodeBlocks, 312 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 304 ConstructedInterpolants, 0 QuantifiedInterpolants, 828 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 6883]: Loop Invariant Derived loop invariant: str == 0 && str == 0 - InvariantResult [Line: 6801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8925]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6253]: Loop Invariant Derived loop invariant: (((((((!(str == 0) && !(\result == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) || (str == 0 && str == 0) - InvariantResult [Line: 6819]: Loop Invariant Derived loop invariant: str == 0 && str == 0 - InvariantResult [Line: 8078]: Loop Invariant Derived loop invariant: (((((((!(str == 0) && !(\result == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) || (str == 0 && str == 0) - InvariantResult [Line: 6253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 16 == max_size - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: str == 0 && str == 0 - InvariantResult [Line: 6890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8095]: Loop Invariant Derived loop invariant: (((((((!(str == 0) && !(\result == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) || (str == 0 && str == 0) - InvariantResult [Line: 7577]: Loop Invariant Derived loop invariant: (((((((!(str == 0) && !(\result == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) || (str == 0 && str == 0) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6883]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: str == 0 && str == 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-06 11:45:28,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE