./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c36dfa3b 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_new_from_string_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 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-c36dfa3 [2021-11-03 23:52:27,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 23:52:27,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 23:52:27,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 23:52:27,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 23:52:27,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 23:52:27,934 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 23:52:27,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 23:52:27,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 23:52:27,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 23:52:27,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 23:52:27,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 23:52:27,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 23:52:27,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 23:52:27,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 23:52:27,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 23:52:27,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 23:52:27,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 23:52:27,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 23:52:27,964 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 23:52:27,965 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 23:52:27,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 23:52:27,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 23:52:27,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 23:52:27,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 23:52:27,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 23:52:27,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 23:52:27,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 23:52:27,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 23:52:27,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 23:52:27,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 23:52:27,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 23:52:27,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 23:52:27,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 23:52:27,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 23:52:27,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 23:52:27,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 23:52:27,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 23:52:27,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 23:52:27,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 23:52:27,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 23:52:27,987 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-03 23:52:28,016 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 23:52:28,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 23:52:28,016 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-03 23:52:28,017 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-03 23:52:28,018 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-03 23:52:28,018 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-03 23:52:28,018 INFO L138 SettingsManager]: * Use SBE=true [2021-11-03 23:52:28,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 23:52:28,019 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 23:52:28,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 23:52:28,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 23:52:28,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 23:52:28,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 23:52:28,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 23:52:28,020 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 23:52:28,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 23:52:28,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 23:52:28,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 23:52:28,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 23:52:28,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 23:52:28,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 23:52:28,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 23:52:28,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 23:52:28,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-03 23:52:28,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 23:52:28,022 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-03 23:52:28,022 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-03 23:52:28,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 23:52:28,022 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 23:52:28,022 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 [2021-11-03 23:52:28,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 23:52:28,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 23:52:28,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 23:52:28,277 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 23:52:28,277 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 23:52:28,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2021-11-03 23:52:28,369 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcb412f6f/f8c9a4308ea34cfaa4ff26e2766c5da3/FLAG5be627c68 [2021-11-03 23:52:29,017 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 23:52:29,017 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2021-11-03 23:52:29,053 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcb412f6f/f8c9a4308ea34cfaa4ff26e2766c5da3/FLAG5be627c68 [2021-11-03 23:52:29,352 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcb412f6f/f8c9a4308ea34cfaa4ff26e2766c5da3 [2021-11-03 23:52:29,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 23:52:29,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 23:52:29,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 23:52:29,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 23:52:29,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 23:52:29,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 11:52:29" (1/1) ... [2021-11-03 23:52:29,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28266a9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:52:29, skipping insertion in model container [2021-11-03 23:52:29,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 11:52:29" (1/1) ... [2021-11-03 23:52:29,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 23:52:29,459 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 23:52:29,660 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_new_from_string_harness.i[4500,4513] [2021-11-03 23:52:29,665 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_new_from_string_harness.i[4560,4573] [2021-11-03 23:52:29,684 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 23:52:29,689 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 23:52:30,232 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:52:30,233 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:52:30,234 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:52:30,235 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:52:30,235 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:52:30,255 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:52:30,256 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:52:30,257 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:52:30,257 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:52:30,461 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 23:52:30,462 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 23:52:30,463 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 23:52:30,463 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 23:52:30,464 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 23:52:30,465 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 23:52:30,465 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 23:52:30,465 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 23:52:30,466 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 23:52:30,466 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 23:52:30,552 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 23:52:30,642 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:52:30,643 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:52:30,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 23:52:30,796 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 23:52:30,815 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_new_from_string_harness.i[4500,4513] [2021-11-03 23:52:30,816 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_new_from_string_harness.i[4560,4573] [2021-11-03 23:52:30,817 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 23:52:30,818 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 23:52:30,842 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:52:30,842 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:52:30,842 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:52:30,843 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:52:30,845 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:52:30,851 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:52:30,851 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:52:30,852 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:52:30,852 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:52:30,884 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 23:52:30,885 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 23:52:30,885 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 23:52:30,886 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 23:52:30,887 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 23:52:30,887 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 23:52:30,887 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 23:52:30,888 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 23:52:30,888 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 23:52:30,888 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 23:52:30,901 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 23:52:30,948 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:52:30,948 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:52:30,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 23:52:31,147 INFO L208 MainTranslator]: Completed translation [2021-11-03 23:52:31,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:52:31 WrapperNode [2021-11-03 23:52:31,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 23:52:31,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 23:52:31,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 23:52:31,149 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 23:52:31,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:52:31" (1/1) ... [2021-11-03 23:52:31,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:52:31" (1/1) ... [2021-11-03 23:52:31,350 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 23:52:31,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 23:52:31,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 23:52:31,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 23:52:31,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:52:31" (1/1) ... [2021-11-03 23:52:31,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:52:31" (1/1) ... [2021-11-03 23:52:31,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:52:31" (1/1) ... [2021-11-03 23:52:31,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:52:31" (1/1) ... [2021-11-03 23:52:31,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:52:31" (1/1) ... [2021-11-03 23:52:31,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:52:31" (1/1) ... [2021-11-03 23:52:31,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:52:31" (1/1) ... [2021-11-03 23:52:31,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 23:52:31,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 23:52:31,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 23:52:31,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 23:52:31,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:52:31" (1/1) ... [2021-11-03 23:52:31,455 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 23:52:31,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-03 23:52:31,474 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) [2021-11-03 23:52:31,507 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 [2021-11-03 23:52:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 23:52:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2021-11-03 23:52:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-03 23:52:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-03 23:52:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-03 23:52:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 23:52:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 23:52:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 23:52:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 23:52:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-03 23:52:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-03 23:52:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_uaddl_overflow [2021-11-03 23:52:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 23:52:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 23:52:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 23:52:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-03 23:52:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real [2021-11-03 23:52:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 23:52:36,121 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##62: assume !true; [2021-11-03 23:52:36,130 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 23:52:36,131 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-11-03 23:52:36,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 11:52:36 BoogieIcfgContainer [2021-11-03 23:52:36,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 23:52:36,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 23:52:36,134 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 23:52:36,137 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 23:52:36,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 11:52:29" (1/3) ... [2021-11-03 23:52:36,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23d73f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 11:52:36, skipping insertion in model container [2021-11-03 23:52:36,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:52:31" (2/3) ... [2021-11-03 23:52:36,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23d73f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 11:52:36, skipping insertion in model container [2021-11-03 23:52:36,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 11:52:36" (3/3) ... [2021-11-03 23:52:36,143 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_string_harness.i [2021-11-03 23:52:36,147 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 23:52:36,148 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-03 23:52:36,192 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 23:52:36,197 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 [2021-11-03 23:52:36,197 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-03 23:52:36,224 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 112 states have (on average 1.4107142857142858) internal successors, (158), 120 states have internal predecessors, (158), 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) [2021-11-03 23:52:36,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-03 23:52:36,230 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 23:52:36,231 INFO L514 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] [2021-11-03 23:52:36,231 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-03 23:52:36,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 23:52:36,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1109000935, now seen corresponding path program 1 times [2021-11-03 23:52:36,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 23:52:36,242 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313601994] [2021-11-03 23:52:36,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 23:52:36,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 23:52:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 23:52:36,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:52:36,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 23:52:36,750 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313601994] [2021-11-03 23:52:36,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313601994] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 23:52:36,750 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 23:52:36,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 23:52:36,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773215440] [2021-11-03 23:52:36,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-03 23:52:36,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 23:52:36,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 23:52:36,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 23:52:36,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 23:52:36,781 INFO L87 Difference]: Start difference. First operand has 121 states, 112 states have (on average 1.4107142857142858) internal successors, (158), 120 states have internal predecessors, (158), 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 17.0) internal successors, (34), 2 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) [2021-11-03 23:52:38,876 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:52:39,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 23:52:39,808 INFO L93 Difference]: Finished difference Result 237 states and 310 transitions. [2021-11-03 23:52:39,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 23:52:39,810 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 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 [2021-11-03 23:52:39,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 23:52:39,816 INFO L225 Difference]: With dead ends: 237 [2021-11-03 23:52:39,816 INFO L226 Difference]: Without dead ends: 115 [2021-11-03 23:52:39,818 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.05ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 23:52:39,821 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2673.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.55ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2963.98ms IncrementalHoareTripleChecker+Time [2021-11-03 23:52:39,822 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 139 Unknown, 0 Unchecked, 2.55ms Time], IncrementalHoareTripleChecker [0 Valid, 138 Invalid, 1 Unknown, 0 Unchecked, 2963.98ms Time] [2021-11-03 23:52:39,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-11-03 23:52:39,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-11-03 23:52:39,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 107 states have (on average 1.2523364485981308) internal successors, (134), 114 states have internal predecessors, (134), 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) [2021-11-03 23:52:39,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2021-11-03 23:52:39,851 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 34 [2021-11-03 23:52:39,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 23:52:39,851 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2021-11-03 23:52:39,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 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) [2021-11-03 23:52:39,852 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2021-11-03 23:52:39,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-03 23:52:39,853 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 23:52:39,853 INFO L514 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] [2021-11-03 23:52:39,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 23:52:39,853 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-03 23:52:39,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 23:52:39,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1047697893, now seen corresponding path program 1 times [2021-11-03 23:52:39,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 23:52:39,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100550792] [2021-11-03 23:52:39,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 23:52:39,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 23:52:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 23:52:40,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:52:40,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 23:52:40,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100550792] [2021-11-03 23:52:40,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100550792] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 23:52:40,227 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 23:52:40,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-03 23:52:40,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647243917] [2021-11-03 23:52:40,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-03 23:52:40,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 23:52:40,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 23:52:40,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 23:52:40,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 23:52:40,229 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 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) [2021-11-03 23:52:42,280 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:52:45,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 23:52:45,139 INFO L93 Difference]: Finished difference Result 240 states and 277 transitions. [2021-11-03 23:52:45,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 23:52:45,140 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 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 [2021-11-03 23:52:45,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 23:52:45,141 INFO L225 Difference]: With dead ends: 240 [2021-11-03 23:52:45,142 INFO L226 Difference]: Without dead ends: 195 [2021-11-03 23:52:45,142 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 124.22ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-03 23:52:45,143 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 181 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4364.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.29ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4760.55ms IncrementalHoareTripleChecker+Time [2021-11-03 23:52:45,143 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 0 Invalid, 634 Unknown, 0 Unchecked, 16.29ms Time], IncrementalHoareTripleChecker [2 Valid, 631 Invalid, 1 Unknown, 0 Unchecked, 4760.55ms Time] [2021-11-03 23:52:45,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2021-11-03 23:52:45,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 118. [2021-11-03 23:52:45,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 110 states have (on average 1.2454545454545454) internal successors, (137), 117 states have internal predecessors, (137), 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) [2021-11-03 23:52:45,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 137 transitions. [2021-11-03 23:52:45,152 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 137 transitions. Word has length 34 [2021-11-03 23:52:45,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 23:52:45,153 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 137 transitions. [2021-11-03 23:52:45,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 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) [2021-11-03 23:52:45,153 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 137 transitions. [2021-11-03 23:52:45,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-03 23:52:45,154 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 23:52:45,154 INFO L514 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] [2021-11-03 23:52:45,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-03 23:52:45,154 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-03 23:52:45,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 23:52:45,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1693035711, now seen corresponding path program 1 times [2021-11-03 23:52:45,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 23:52:45,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839782759] [2021-11-03 23:52:45,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 23:52:45,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 23:52:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 23:52:45,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:52:45,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 23:52:45,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839782759] [2021-11-03 23:52:45,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839782759] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 23:52:45,455 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 23:52:45,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-03 23:52:45,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459038725] [2021-11-03 23:52:45,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-03 23:52:45,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 23:52:45,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 23:52:45,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 23:52:45,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 23:52:45,456 INFO L87 Difference]: Start difference. First operand 118 states and 137 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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) [2021-11-03 23:52:47,503 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:52:49,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 23:52:49,673 INFO L93 Difference]: Finished difference Result 214 states and 248 transitions. [2021-11-03 23:52:49,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 23:52:49,673 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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 36 [2021-11-03 23:52:49,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 23:52:49,674 INFO L225 Difference]: With dead ends: 214 [2021-11-03 23:52:49,674 INFO L226 Difference]: Without dead ends: 120 [2021-11-03 23:52:49,674 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 125.01ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-03 23:52:49,675 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 10 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3823.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.41ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4132.56ms IncrementalHoareTripleChecker+Time [2021-11-03 23:52:49,675 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 0 Invalid, 522 Unknown, 0 Unchecked, 6.41ms Time], IncrementalHoareTripleChecker [1 Valid, 520 Invalid, 1 Unknown, 0 Unchecked, 4132.56ms Time] [2021-11-03 23:52:49,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-11-03 23:52:49,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2021-11-03 23:52:49,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 112 states have (on average 1.2410714285714286) internal successors, (139), 119 states have internal predecessors, (139), 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) [2021-11-03 23:52:49,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2021-11-03 23:52:49,681 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 36 [2021-11-03 23:52:49,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 23:52:49,682 INFO L470 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2021-11-03 23:52:49,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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) [2021-11-03 23:52:49,682 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2021-11-03 23:52:49,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-03 23:52:49,683 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 23:52:49,684 INFO L514 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] [2021-11-03 23:52:49,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-03 23:52:49,684 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-03 23:52:49,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 23:52:49,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1938168525, now seen corresponding path program 1 times [2021-11-03 23:52:49,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 23:52:49,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069722140] [2021-11-03 23:52:49,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 23:52:49,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 23:52:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 23:52:49,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:52:49,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 23:52:49,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069722140] [2021-11-03 23:52:49,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069722140] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 23:52:49,998 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 23:52:49,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-03 23:52:49,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832418052] [2021-11-03 23:52:49,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-03 23:52:49,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 23:52:49,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 23:52:49,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 23:52:49,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-03 23:52:50,000 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 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) [2021-11-03 23:52:52,055 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:52:54,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 23:52:54,637 INFO L93 Difference]: Finished difference Result 288 states and 331 transitions. [2021-11-03 23:52:54,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-03 23:52:54,638 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 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 37 [2021-11-03 23:52:54,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 23:52:54,641 INFO L225 Difference]: With dead ends: 288 [2021-11-03 23:52:54,641 INFO L226 Difference]: Without dead ends: 194 [2021-11-03 23:52:54,642 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 193.31ms TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-03 23:52:54,643 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 245 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4240.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.49ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4457.16ms IncrementalHoareTripleChecker+Time [2021-11-03 23:52:54,643 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 0 Invalid, 720 Unknown, 0 Unchecked, 12.49ms Time], IncrementalHoareTripleChecker [3 Valid, 716 Invalid, 1 Unknown, 0 Unchecked, 4457.16ms Time] [2021-11-03 23:52:54,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-11-03 23:52:54,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 118. [2021-11-03 23:52:54,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 110 states have (on average 1.2363636363636363) internal successors, (136), 117 states have internal predecessors, (136), 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) [2021-11-03 23:52:54,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 136 transitions. [2021-11-03 23:52:54,658 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 136 transitions. Word has length 37 [2021-11-03 23:52:54,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 23:52:54,658 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 136 transitions. [2021-11-03 23:52:54,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 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) [2021-11-03 23:52:54,658 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 136 transitions. [2021-11-03 23:52:54,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-03 23:52:54,660 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 23:52:54,660 INFO L514 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] [2021-11-03 23:52:54,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-03 23:52:54,660 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-03 23:52:54,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 23:52:54,661 INFO L85 PathProgramCache]: Analyzing trace with hash 25965596, now seen corresponding path program 1 times [2021-11-03 23:52:54,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 23:52:54,661 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507865028] [2021-11-03 23:52:54,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 23:52:54,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 23:52:54,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 23:52:54,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:52:54,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 23:52:54,966 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507865028] [2021-11-03 23:52:54,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507865028] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 23:52:54,966 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 23:52:54,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-03 23:52:54,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593362142] [2021-11-03 23:52:54,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-03 23:52:54,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 23:52:54,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 23:52:54,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 23:52:54,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 23:52:54,967 INFO L87 Difference]: Start difference. First operand 118 states and 136 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2021-11-03 23:52:57,016 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:52:59,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 23:52:59,214 INFO L93 Difference]: Finished difference Result 181 states and 206 transitions. [2021-11-03 23:52:59,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 23:52:59,214 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 41 [2021-11-03 23:52:59,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 23:52:59,215 INFO L225 Difference]: With dead ends: 181 [2021-11-03 23:52:59,215 INFO L226 Difference]: Without dead ends: 139 [2021-11-03 23:52:59,215 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 179.79ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-03 23:52:59,216 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 46 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3819.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.68ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4119.69ms IncrementalHoareTripleChecker+Time [2021-11-03 23:52:59,216 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 0 Invalid, 528 Unknown, 0 Unchecked, 6.68ms Time], IncrementalHoareTripleChecker [2 Valid, 525 Invalid, 1 Unknown, 0 Unchecked, 4119.69ms Time] [2021-11-03 23:52:59,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2021-11-03 23:52:59,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 121. [2021-11-03 23:52:59,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 113 states have (on average 1.2300884955752212) internal successors, (139), 120 states have internal predecessors, (139), 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) [2021-11-03 23:52:59,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 139 transitions. [2021-11-03 23:52:59,228 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 139 transitions. Word has length 41 [2021-11-03 23:52:59,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 23:52:59,229 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 139 transitions. [2021-11-03 23:52:59,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2021-11-03 23:52:59,230 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 139 transitions. [2021-11-03 23:52:59,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-03 23:52:59,230 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 23:52:59,230 INFO L514 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] [2021-11-03 23:52:59,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-03 23:52:59,231 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-03 23:52:59,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 23:52:59,232 INFO L85 PathProgramCache]: Analyzing trace with hash -528776773, now seen corresponding path program 1 times [2021-11-03 23:52:59,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 23:52:59,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081890023] [2021-11-03 23:52:59,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 23:52:59,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 23:52:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 23:53:00,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:53:00,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 23:53:00,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081890023] [2021-11-03 23:53:00,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081890023] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 23:53:00,214 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 23:53:00,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-03 23:53:00,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638314877] [2021-11-03 23:53:00,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-03 23:53:00,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-03 23:53:00,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 23:53:00,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-03 23:53:00,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-11-03 23:53:00,215 INFO L87 Difference]: Start difference. First operand 121 states and 139 transitions. Second operand has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 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) [2021-11-03 23:53:02,259 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:53:09,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 23:53:09,920 INFO L93 Difference]: Finished difference Result 367 states and 424 transitions. [2021-11-03 23:53:09,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-03 23:53:09,921 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 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 47 [2021-11-03 23:53:09,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 23:53:09,922 INFO L225 Difference]: With dead ends: 367 [2021-11-03 23:53:09,922 INFO L226 Difference]: Without dead ends: 263 [2021-11-03 23:53:09,923 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1758.76ms TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2021-11-03 23:53:09,924 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 419 mSDsluCounter, 1211 mSDsCounter, 0 mSdLazyCounter, 1628 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7609.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 26.22ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1628 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8149.35ms IncrementalHoareTripleChecker+Time [2021-11-03 23:53:09,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [419 Valid, 0 Invalid, 1633 Unknown, 0 Unchecked, 26.22ms Time], IncrementalHoareTripleChecker [4 Valid, 1628 Invalid, 1 Unknown, 0 Unchecked, 8149.35ms Time] [2021-11-03 23:53:09,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2021-11-03 23:53:09,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 126. [2021-11-03 23:53:09,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 118 states have (on average 1.2203389830508475) internal successors, (144), 125 states have internal predecessors, (144), 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) [2021-11-03 23:53:09,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 144 transitions. [2021-11-03 23:53:09,937 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 144 transitions. Word has length 47 [2021-11-03 23:53:09,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 23:53:09,937 INFO L470 AbstractCegarLoop]: Abstraction has 126 states and 144 transitions. [2021-11-03 23:53:09,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 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) [2021-11-03 23:53:09,937 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 144 transitions. [2021-11-03 23:53:09,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-03 23:53:09,941 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 23:53:09,941 INFO L514 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] [2021-11-03 23:53:09,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-03 23:53:09,942 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-03 23:53:09,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 23:53:09,942 INFO L85 PathProgramCache]: Analyzing trace with hash 2013657384, now seen corresponding path program 1 times [2021-11-03 23:53:09,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 23:53:09,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922122450] [2021-11-03 23:53:09,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 23:53:09,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 23:53:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 23:53:10,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:53:10,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 23:53:10,595 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922122450] [2021-11-03 23:53:10,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922122450] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 23:53:10,596 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 23:53:10,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-03 23:53:10,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956611531] [2021-11-03 23:53:10,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-03 23:53:10,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 23:53:10,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 23:53:10,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 23:53:10,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-03 23:53:10,600 INFO L87 Difference]: Start difference. First operand 126 states and 144 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 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) [2021-11-03 23:53:12,648 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:53:13,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 23:53:13,025 INFO L93 Difference]: Finished difference Result 126 states and 144 transitions. [2021-11-03 23:53:13,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 23:53:13,026 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 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 [2021-11-03 23:53:13,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 23:53:13,026 INFO L225 Difference]: With dead ends: 126 [2021-11-03 23:53:13,026 INFO L226 Difference]: Without dead ends: 0 [2021-11-03 23:53:13,027 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 297.41ms TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-03 23:53:13,028 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 6 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2070.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.13ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2279.91ms IncrementalHoareTripleChecker+Time [2021-11-03 23:53:13,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 0 Invalid, 9 Unknown, 0 Unchecked, 0.13ms Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 2279.91ms Time] [2021-11-03 23:53:13,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-03 23:53:13,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-03 23:53:13,029 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) [2021-11-03 23:53:13,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-03 23:53:13,029 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2021-11-03 23:53:13,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 23:53:13,029 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-03 23:53:13,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 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) [2021-11-03 23:53:13,029 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-03 23:53:13,030 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-03 23:53:13,031 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2021-11-03 23:53:13,032 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2021-11-03 23:53:13,032 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2021-11-03 23:53:13,032 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2021-11-03 23:53:13,033 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2021-11-03 23:53:13,033 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2021-11-03 23:53:13,033 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (1 of 8 remaining) [2021-11-03 23:53:13,033 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (0 of 8 remaining) [2021-11-03 23:53:13,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-03 23:53:13,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-03 23:53:13,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:53:13,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:53:13,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:53:13,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:53:13,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:53:13,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:53:13,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:53:13,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:53:13,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:53:13,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:53:13,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:53:13,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:53:13,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:53:13,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:53:13,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:53:13,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:53:13,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:53:13,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:53:13,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:53:13,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:53:13,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:53:13,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:53:13,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:53:13,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:53:13,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:53:13,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:53:13,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:53:13,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:53:13,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:53:13,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:53:13,159 INFO L854 garLoopResultBuilder]: At program point L250(lines 248 251) the Hoare annotation is: false [2021-11-03 23:53:13,159 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-03 23:53:13,159 INFO L854 garLoopResultBuilder]: At program point L6890(lines 6889 6891) the Hoare annotation is: false [2021-11-03 23:53:13,159 INFO L854 garLoopResultBuilder]: At program point L6890-2(lines 6889 6891) the Hoare annotation is: false [2021-11-03 23:53:13,159 INFO L854 garLoopResultBuilder]: At program point L6890-1(lines 6889 6891) the Hoare annotation is: false [2021-11-03 23:53:13,160 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-03 23:53:13,160 INFO L858 garLoopResultBuilder]: For program point L8989(line 8989) no Hoare annotation was computed. [2021-11-03 23:53:13,160 INFO L858 garLoopResultBuilder]: For program point L8989-2(line 8989) no Hoare annotation was computed. [2021-11-03 23:53:13,160 INFO L854 garLoopResultBuilder]: At program point L6925(lines 6923 6926) the Hoare annotation is: false [2021-11-03 23:53:13,160 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-03 23:53:13,160 INFO L858 garLoopResultBuilder]: For program point L6810(lines 6810 6811) no Hoare annotation was computed. [2021-11-03 23:53:13,160 INFO L854 garLoopResultBuilder]: At program point L8990(lines 8988 8991) the Hoare annotation is: false [2021-11-03 23:53:13,160 INFO L858 garLoopResultBuilder]: For program point L6810-2(lines 6810 6811) no Hoare annotation was computed. [2021-11-03 23:53:13,161 INFO L858 garLoopResultBuilder]: For program point L8974(lines 8974 8978) no Hoare annotation was computed. [2021-11-03 23:53:13,161 INFO L858 garLoopResultBuilder]: For program point L9338(lines 9338 9344) no Hoare annotation was computed. [2021-11-03 23:53:13,161 INFO L858 garLoopResultBuilder]: For program point L9338-2(lines 9338 9344) no Hoare annotation was computed. [2021-11-03 23:53:13,161 INFO L854 garLoopResultBuilder]: At program point L6795(lines 6793 6798) the Hoare annotation is: false [2021-11-03 23:53:13,161 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 224) no Hoare annotation was computed. [2021-11-03 23:53:13,161 INFO L858 garLoopResultBuilder]: For program point L222-1(lines 222 224) no Hoare annotation was computed. [2021-11-03 23:53:13,161 INFO L858 garLoopResultBuilder]: For program point L222-2(lines 222 224) no Hoare annotation was computed. [2021-11-03 23:53:13,161 INFO L858 garLoopResultBuilder]: For program point L222-3(lines 222 224) no Hoare annotation was computed. [2021-11-03 23:53:13,161 INFO L858 garLoopResultBuilder]: For program point L222-4(lines 7101 7111) no Hoare annotation was computed. [2021-11-03 23:53:13,162 INFO L858 garLoopResultBuilder]: For program point L222-5(lines 222 224) no Hoare annotation was computed. [2021-11-03 23:53:13,162 INFO L854 garLoopResultBuilder]: At program point L2617(lines 2613 2621) the Hoare annotation is: false [2021-11-03 23:53:13,162 INFO L858 garLoopResultBuilder]: For program point L222-6(lines 222 224) no Hoare annotation was computed. [2021-11-03 23:53:13,162 INFO L858 garLoopResultBuilder]: For program point L222-7(lines 222 224) no Hoare annotation was computed. [2021-11-03 23:53:13,162 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-03 23:53:13,162 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-03 23:53:13,162 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-03 23:53:13,162 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-03 23:53:13,162 INFO L858 garLoopResultBuilder]: For program point L223-3(line 223) no Hoare annotation was computed. [2021-11-03 23:53:13,162 INFO L858 garLoopResultBuilder]: For program point L223-4(line 223) no Hoare annotation was computed. [2021-11-03 23:53:13,162 INFO L858 garLoopResultBuilder]: For program point L223-6(line 223) no Hoare annotation was computed. [2021-11-03 23:53:13,163 INFO L858 garLoopResultBuilder]: For program point L223-7(line 223) no Hoare annotation was computed. [2021-11-03 23:53:13,163 INFO L858 garLoopResultBuilder]: For program point L223-9(line 223) no Hoare annotation was computed. [2021-11-03 23:53:13,163 INFO L858 garLoopResultBuilder]: For program point L223-10(line 223) no Hoare annotation was computed. [2021-11-03 23:53:13,163 INFO L858 garLoopResultBuilder]: For program point L223-12(line 223) no Hoare annotation was computed. [2021-11-03 23:53:13,163 INFO L858 garLoopResultBuilder]: For program point L223-13(line 223) no Hoare annotation was computed. [2021-11-03 23:53:13,163 INFO L858 garLoopResultBuilder]: For program point L223-15(line 223) no Hoare annotation was computed. [2021-11-03 23:53:13,163 INFO L858 garLoopResultBuilder]: For program point L223-16(line 223) no Hoare annotation was computed. [2021-11-03 23:53:13,163 INFO L858 garLoopResultBuilder]: For program point L223-18(line 223) no Hoare annotation was computed. [2021-11-03 23:53:13,163 INFO L858 garLoopResultBuilder]: For program point L223-19(line 223) no Hoare annotation was computed. [2021-11-03 23:53:13,163 INFO L858 garLoopResultBuilder]: For program point L223-21(line 223) no Hoare annotation was computed. [2021-11-03 23:53:13,163 INFO L858 garLoopResultBuilder]: For program point L223-22(line 223) no Hoare annotation was computed. [2021-11-03 23:53:13,163 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-03 23:53:13,163 INFO L854 garLoopResultBuilder]: At program point L6815(lines 6806 6816) the Hoare annotation is: false [2021-11-03 23:53:13,163 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-03 23:53:13,163 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-03 23:53:13,163 INFO L858 garLoopResultBuilder]: For program point L210(lines 210 212) no Hoare annotation was computed. [2021-11-03 23:53:13,163 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2021-11-03 23:53:13,163 INFO L858 garLoopResultBuilder]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2021-11-03 23:53:13,164 INFO L858 garLoopResultBuilder]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2021-11-03 23:53:13,164 INFO L858 garLoopResultBuilder]: For program point L210-4(lines 210 212) no Hoare annotation was computed. [2021-11-03 23:53:13,164 INFO L858 garLoopResultBuilder]: For program point L210-5(lines 210 212) no Hoare annotation was computed. [2021-11-03 23:53:13,164 INFO L858 garLoopResultBuilder]: For program point L210-6(lines 210 212) no Hoare annotation was computed. [2021-11-03 23:53:13,164 INFO L858 garLoopResultBuilder]: For program point L210-7(lines 210 212) no Hoare annotation was computed. [2021-11-03 23:53:13,164 INFO L858 garLoopResultBuilder]: For program point L210-8(lines 210 212) no Hoare annotation was computed. [2021-11-03 23:53:13,164 INFO L854 garLoopResultBuilder]: At program point L8964(lines 8964 8986) the Hoare annotation is: false [2021-11-03 23:53:13,164 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-03 23:53:13,164 INFO L858 garLoopResultBuilder]: For program point L6900-2(lines 6900 6902) no Hoare annotation was computed. [2021-11-03 23:53:13,164 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-03 23:53:13,164 INFO L858 garLoopResultBuilder]: For program point L6900(lines 6900 6902) no Hoare annotation was computed. [2021-11-03 23:53:13,164 INFO L858 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-11-03 23:53:13,164 INFO L858 garLoopResultBuilder]: For program point L6256-2(line 6256) no Hoare annotation was computed. [2021-11-03 23:53:13,165 INFO L858 garLoopResultBuilder]: For program point L211-4(line 211) no Hoare annotation was computed. [2021-11-03 23:53:13,165 INFO L858 garLoopResultBuilder]: For program point L6256(line 6256) no Hoare annotation was computed. [2021-11-03 23:53:13,165 INFO L854 garLoopResultBuilder]: At program point L6900-3(lines 6899 6903) the Hoare annotation is: false [2021-11-03 23:53:13,165 INFO L858 garLoopResultBuilder]: For program point L6256-5(line 6256) no Hoare annotation was computed. [2021-11-03 23:53:13,165 INFO L858 garLoopResultBuilder]: For program point L211-6(line 211) no Hoare annotation was computed. [2021-11-03 23:53:13,165 INFO L854 garLoopResultBuilder]: At program point L6256-6(lines 6252 6257) the Hoare annotation is: false [2021-11-03 23:53:13,165 INFO L858 garLoopResultBuilder]: For program point L6256-3(line 6256) no Hoare annotation was computed. [2021-11-03 23:53:13,165 INFO L858 garLoopResultBuilder]: For program point L211-8(line 211) no Hoare annotation was computed. [2021-11-03 23:53:13,165 INFO L858 garLoopResultBuilder]: For program point L211-10(line 211) no Hoare annotation was computed. [2021-11-03 23:53:13,166 INFO L858 garLoopResultBuilder]: For program point L6256-9(line 6256) no Hoare annotation was computed. [2021-11-03 23:53:13,166 INFO L858 garLoopResultBuilder]: For program point L6256-10(line 6256) no Hoare annotation was computed. [2021-11-03 23:53:13,166 INFO L858 garLoopResultBuilder]: For program point L211-12(line 211) no Hoare annotation was computed. [2021-11-03 23:53:13,166 INFO L858 garLoopResultBuilder]: For program point L6256-7(line 6256) no Hoare annotation was computed. [2021-11-03 23:53:13,166 INFO L854 garLoopResultBuilder]: At program point L261(line 261) the Hoare annotation is: false [2021-11-03 23:53:13,166 INFO L858 garLoopResultBuilder]: For program point L211-14(line 211) no Hoare annotation was computed. [2021-11-03 23:53:13,166 INFO L854 garLoopResultBuilder]: At program point L6256-13(lines 6252 6257) the Hoare annotation is: false [2021-11-03 23:53:13,166 INFO L854 garLoopResultBuilder]: At program point L261-1(line 261) the Hoare annotation is: false [2021-11-03 23:53:13,167 INFO L858 garLoopResultBuilder]: For program point L6256-14(line 6256) no Hoare annotation was computed. [2021-11-03 23:53:13,167 INFO L858 garLoopResultBuilder]: For program point L211-16(line 211) no Hoare annotation was computed. [2021-11-03 23:53:13,167 INFO L858 garLoopResultBuilder]: For program point L6256-12(line 6256) no Hoare annotation was computed. [2021-11-03 23:53:13,167 INFO L858 garLoopResultBuilder]: For program point L6256-17(line 6256) no Hoare annotation was computed. [2021-11-03 23:53:13,167 INFO L858 garLoopResultBuilder]: For program point L6256-16(line 6256) no Hoare annotation was computed. [2021-11-03 23:53:13,167 INFO L858 garLoopResultBuilder]: For program point L6256-21(line 6256) no Hoare annotation was computed. [2021-11-03 23:53:13,167 INFO L858 garLoopResultBuilder]: For program point L7099(lines 7099 7112) no Hoare annotation was computed. [2021-11-03 23:53:13,167 INFO L858 garLoopResultBuilder]: For program point L6256-19(line 6256) no Hoare annotation was computed. [2021-11-03 23:53:13,167 INFO L854 garLoopResultBuilder]: At program point L6256-20(lines 6252 6257) the Hoare annotation is: false [2021-11-03 23:53:13,168 INFO L858 garLoopResultBuilder]: For program point L6934(lines 6934 6936) no Hoare annotation was computed. [2021-11-03 23:53:13,168 INFO L858 garLoopResultBuilder]: For program point L6256-26(line 6256) no Hoare annotation was computed. [2021-11-03 23:53:13,168 INFO L858 garLoopResultBuilder]: For program point L6256-23(line 6256) no Hoare annotation was computed. [2021-11-03 23:53:13,168 INFO L858 garLoopResultBuilder]: For program point L6256-24(line 6256) no Hoare annotation was computed. [2021-11-03 23:53:13,168 INFO L858 garLoopResultBuilder]: For program point L6934-2(lines 6934 6936) no Hoare annotation was computed. [2021-11-03 23:53:13,168 INFO L854 garLoopResultBuilder]: At program point L6256-27(lines 6252 6257) the Hoare annotation is: false [2021-11-03 23:53:13,168 INFO L858 garLoopResultBuilder]: For program point L9329(lines 9329 9346) no Hoare annotation was computed. [2021-11-03 23:53:13,168 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-03 23:53:13,169 INFO L854 garLoopResultBuilder]: At program point L6803(lines 6800 6804) the Hoare annotation is: false [2021-11-03 23:53:13,169 INFO L858 garLoopResultBuilder]: For program point L2542(lines 2542 2543) no Hoare annotation was computed. [2021-11-03 23:53:13,169 INFO L854 garLoopResultBuilder]: At program point L6886(lines 6882 6887) the Hoare annotation is: false [2021-11-03 23:53:13,169 INFO L861 garLoopResultBuilder]: At program point L9347(line 9347) the Hoare annotation is: true [2021-11-03 23:53:13,169 INFO L854 garLoopResultBuilder]: At program point L6886-1(lines 6882 6887) the Hoare annotation is: false [2021-11-03 23:53:13,169 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-03 23:53:13,169 INFO L854 garLoopResultBuilder]: At program point L-1-2(line -1) the Hoare annotation is: false [2021-11-03 23:53:13,169 INFO L854 garLoopResultBuilder]: At program point L-1-4(line -1) the Hoare annotation is: false [2021-11-03 23:53:13,169 INFO L858 garLoopResultBuilder]: For program point L-1-5(line -1) no Hoare annotation was computed. [2021-11-03 23:53:13,170 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-03 23:53:13,170 INFO L854 garLoopResultBuilder]: At program point L1998(lines 1988 1999) the Hoare annotation is: false [2021-11-03 23:53:13,170 INFO L854 garLoopResultBuilder]: At program point L1998-1(lines 1988 1999) the Hoare annotation is: false [2021-11-03 23:53:13,170 INFO L858 garLoopResultBuilder]: For program point L8968(lines 8968 8972) no Hoare annotation was computed. [2021-11-03 23:53:13,170 INFO L858 garLoopResultBuilder]: For program point L9332(line 9332) no Hoare annotation was computed. [2021-11-03 23:53:13,170 INFO L858 garLoopResultBuilder]: For program point L9332-2(line 9332) no Hoare annotation was computed. [2021-11-03 23:53:13,170 INFO L854 garLoopResultBuilder]: At program point L6937(lines 6928 6938) the Hoare annotation is: false [2021-11-03 23:53:13,170 INFO L858 garLoopResultBuilder]: For program point L7317-1(lines 7317 7319) no Hoare annotation was computed. [2021-11-03 23:53:13,170 INFO L854 garLoopResultBuilder]: At program point L8985-2(line 8985) the Hoare annotation is: false [2021-11-03 23:53:13,171 INFO L858 garLoopResultBuilder]: For program point L7317(lines 7317 7319) no Hoare annotation was computed. [2021-11-03 23:53:13,171 INFO L858 garLoopResultBuilder]: For program point L8985-3(line 8985) no Hoare annotation was computed. [2021-11-03 23:53:13,171 INFO L854 garLoopResultBuilder]: At program point L2545(lines 2541 2546) the Hoare annotation is: false [2021-11-03 23:53:13,179 INFO L854 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: (and (not (= |~#s_can_fail_allocator_static~0.base| 0)) (= ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size 1234549)) [2021-11-03 23:53:13,179 INFO L854 garLoopResultBuilder]: At program point L266-1(line 266) the Hoare annotation is: false [2021-11-03 23:53:13,182 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-03 23:53:13,183 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-03 23:53:13,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 11:53:13 BoogieIcfgContainer [2021-11-03 23:53:13,197 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 23:53:13,198 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 23:53:13,198 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 23:53:13,198 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 23:53:13,199 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 11:52:36" (3/4) ... [2021-11-03 23:53:13,201 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-03 23:53:13,220 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 165 nodes and edges [2021-11-03 23:53:13,221 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 64 nodes and edges [2021-11-03 23:53:13,222 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-11-03 23:53:13,223 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-03 23:53:13,224 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-03 23:53:13,225 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-03 23:53:13,225 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-03 23:53:13,226 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-03 23:53:13,783 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-11-03 23:53:13,783 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 23:53:13,784 INFO L158 Benchmark]: Toolchain (without parser) took 44429.01ms. Allocated memory was 98.6MB in the beginning and 383.8MB in the end (delta: 285.2MB). Free memory was 56.9MB in the beginning and 232.0MB in the end (delta: -175.1MB). Peak memory consumption was 263.1MB. Max. memory is 16.1GB. [2021-11-03 23:53:13,784 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory was 56.4MB in the beginning and 56.3MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-03 23:53:13,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1790.86ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 56.7MB in the beginning and 51.4MB in the end (delta: 5.3MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2021-11-03 23:53:13,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 202.52ms. Allocated memory was 127.9MB in the beginning and 180.4MB in the end (delta: 52.4MB). Free memory was 51.4MB in the beginning and 124.3MB in the end (delta: -72.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-03 23:53:13,785 INFO L158 Benchmark]: Boogie Preprocessor took 96.31ms. Allocated memory is still 180.4MB. Free memory was 124.3MB in the beginning and 115.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-03 23:53:13,785 INFO L158 Benchmark]: RCFGBuilder took 4684.21ms. Allocated memory was 180.4MB in the beginning and 318.8MB in the end (delta: 138.4MB). Free memory was 115.9MB in the beginning and 136.6MB in the end (delta: -20.7MB). Peak memory consumption was 190.1MB. Max. memory is 16.1GB. [2021-11-03 23:53:13,786 INFO L158 Benchmark]: TraceAbstraction took 37062.73ms. Allocated memory was 318.8MB in the beginning and 383.8MB in the end (delta: 65.0MB). Free memory was 136.6MB in the beginning and 159.7MB in the end (delta: -23.1MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2021-11-03 23:53:13,786 INFO L158 Benchmark]: Witness Printer took 585.52ms. Allocated memory is still 383.8MB. Free memory was 158.6MB in the beginning and 232.0MB in the end (delta: -73.4MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2021-11-03 23:53:13,787 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory was 56.4MB in the beginning and 56.3MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1790.86ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 56.7MB in the beginning and 51.4MB in the end (delta: 5.3MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 202.52ms. Allocated memory was 127.9MB in the beginning and 180.4MB in the end (delta: 52.4MB). Free memory was 51.4MB in the beginning and 124.3MB in the end (delta: -72.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.31ms. Allocated memory is still 180.4MB. Free memory was 124.3MB in the beginning and 115.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4684.21ms. Allocated memory was 180.4MB in the beginning and 318.8MB in the end (delta: 138.4MB). Free memory was 115.9MB in the beginning and 136.6MB in the end (delta: -20.7MB). Peak memory consumption was 190.1MB. Max. memory is 16.1GB. * TraceAbstraction took 37062.73ms. Allocated memory was 318.8MB in the beginning and 383.8MB in the end (delta: 65.0MB). Free memory was 136.6MB in the beginning and 159.7MB in the end (delta: -23.1MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. * Witness Printer took 585.52ms. Allocated memory is still 383.8MB. Free memory was 158.6MB in the beginning and 232.0MB in the end (delta: -73.4MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms 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 - 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, 121 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 36992.32ms, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 31.41ms, AutomataDifference: 33239.74ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 124.94ms, InitialAbstractionConstructionTime: 10.82ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 7 mSolverCounterUnknown, 907 SdHoareTripleChecker+Valid, 30863.20ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 907 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 28601.41ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2860 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4166 IncrementalHoareTripleChecker+Invalid, 4185 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 0 mSDtfsCounter, 4166 mSolverCounterSat, 70.76ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2678.55ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=126occurred in iteration=6, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 68.26ms AutomataMinimizationTime, 7 MinimizatonAttempts, 308 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 31 NumberOfFragments, 37 HoareAnnotationTreeSize, 30 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 19.57ms HoareSimplificationTime, 30 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 96.94ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 105.98ms SsaConstructionTime, 1056.15ms SatisfiabilityAnalysisTime, 2124.47ms InterpolantComputationTime, 277 NumberOfCodeBlocks, 277 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 270 ConstructedInterpolants, 0 QuantifiedInterpolants, 527 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 8 specifications checked. All of them hold - InvariantResult [Line: 2613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6793]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9347]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: !(s_can_fail_allocator_static == 0) && max_size == 1234549 - InvariantResult [Line: 1988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8964]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8985]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6923]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-03 23:53:13,869 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE