./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/unreach-call.prp --file /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_new_from_string_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678b828e Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_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 ea33532db9952cef3b3c415561584996c22f07a8 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-678b828 [2020-12-07 17:13:17,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-07 17:13:17,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-07 17:13:17,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-07 17:13:17,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-07 17:13:17,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-07 17:13:17,786 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-07 17:13:17,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-07 17:13:17,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-07 17:13:17,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-07 17:13:17,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-07 17:13:17,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-07 17:13:17,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-07 17:13:17,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-07 17:13:17,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-07 17:13:17,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-07 17:13:17,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-07 17:13:17,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-07 17:13:17,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-07 17:13:17,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-07 17:13:17,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-07 17:13:17,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-07 17:13:17,836 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-07 17:13:17,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-07 17:13:17,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-07 17:13:17,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-07 17:13:17,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-07 17:13:17,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-07 17:13:17,856 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-07 17:13:17,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-07 17:13:17,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-07 17:13:17,863 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-07 17:13:17,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-07 17:13:17,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-07 17:13:17,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-07 17:13:17,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-07 17:13:17,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-07 17:13:17,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-07 17:13:17,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-07 17:13:17,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-07 17:13:17,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-07 17:13:17,891 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-07 17:13:17,962 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-07 17:13:17,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-07 17:13:17,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-07 17:13:17,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-07 17:13:17,969 INFO L138 SettingsManager]: * Use SBE=true [2020-12-07 17:13:17,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-07 17:13:17,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-07 17:13:17,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-07 17:13:17,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-07 17:13:17,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-07 17:13:17,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-07 17:13:17,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-07 17:13:17,972 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-07 17:13:17,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-07 17:13:17,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-07 17:13:17,973 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-07 17:13:17,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-07 17:13:17,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-07 17:13:17,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-07 17:13:17,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-07 17:13:17,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-07 17:13:17,974 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-07 17:13:17,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-07 17:13:17,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-07 17:13:17,974 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-07 17:13:17,975 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea33532db9952cef3b3c415561584996c22f07a8 [2020-12-07 17:13:18,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-07 17:13:18,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-07 17:13:18,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-07 17:13:18,626 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-07 17:13:18,628 INFO L275 PluginConnector]: CDTParser initialized [2020-12-07 17:13:18,631 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_new_from_string_harness.i [2020-12-07 17:13:18,743 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ca26c4fc/e9d148ad9599422fb636c39b7c74bca9/FLAGcceb4940a [2020-12-07 17:13:20,143 INFO L306 CDTParser]: Found 1 translation units. [2020-12-07 17:13:20,144 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_new_from_string_harness.i [2020-12-07 17:13:20,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ca26c4fc/e9d148ad9599422fb636c39b7c74bca9/FLAGcceb4940a [2020-12-07 17:13:20,315 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ca26c4fc/e9d148ad9599422fb636c39b7c74bca9 [2020-12-07 17:13:20,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-07 17:13:20,329 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-07 17:13:20,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-07 17:13:20,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-07 17:13:20,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-07 17:13:20,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:13:20" (1/1) ... [2020-12-07 17:13:20,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19a0cb27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:20, skipping insertion in model container [2020-12-07 17:13:20,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:13:20" (1/1) ... [2020-12-07 17:13:20,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-07 17:13:20,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-07 17:13:20,941 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_new_from_string_harness.i[4500,4513] [2020-12-07 17:13:20,950 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_new_from_string_harness.i[4560,4573] [2020-12-07 17:13:20,978 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-07 17:13:20,985 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-07 17:13:22,302 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:13:22,303 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:13:22,305 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:13:22,306 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:13:22,308 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:13:22,329 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:13:22,330 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:13:22,333 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:13:22,335 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:13:23,081 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-07 17:13:23,083 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-07 17:13:23,085 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-07 17:13:23,088 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-07 17:13:23,090 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-07 17:13:23,092 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-07 17:13:23,094 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-07 17:13:23,098 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-07 17:13:23,099 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-07 17:13:23,100 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-07 17:13:23,494 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-07 17:13:23,764 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:13:23,765 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:13:23,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-07 17:13:23,974 INFO L203 MainTranslator]: Completed pre-run [2020-12-07 17:13:23,994 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_new_from_string_harness.i[4500,4513] [2020-12-07 17:13:23,996 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_new_from_string_harness.i[4560,4573] [2020-12-07 17:13:23,999 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-07 17:13:24,001 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-07 17:13:24,082 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:13:24,084 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:13:24,085 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:13:24,087 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:13:24,090 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:13:24,102 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:13:24,103 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:13:24,104 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:13:24,108 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:13:24,168 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-07 17:13:24,171 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-07 17:13:24,173 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-07 17:13:24,180 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-07 17:13:24,182 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-07 17:13:24,184 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-07 17:13:24,184 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-07 17:13:24,185 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-07 17:13:24,186 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-07 17:13:24,187 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-07 17:13:24,225 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-07 17:13:24,389 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:13:24,390 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:13:24,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-07 17:13:26,057 INFO L208 MainTranslator]: Completed translation [2020-12-07 17:13:26,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:26 WrapperNode [2020-12-07 17:13:26,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-07 17:13:26,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-07 17:13:26,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-07 17:13:26,060 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-07 17:13:26,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:26" (1/1) ... [2020-12-07 17:13:26,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:26" (1/1) ... [2020-12-07 17:13:26,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-07 17:13:26,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-07 17:13:26,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-07 17:13:26,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-07 17:13:26,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:26" (1/1) ... [2020-12-07 17:13:26,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:26" (1/1) ... [2020-12-07 17:13:26,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:26" (1/1) ... [2020-12-07 17:13:26,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:26" (1/1) ... [2020-12-07 17:13:26,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:26" (1/1) ... [2020-12-07 17:13:26,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:26" (1/1) ... [2020-12-07 17:13:26,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:26" (1/1) ... [2020-12-07 17:13:26,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-07 17:13:26,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-07 17:13:26,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-07 17:13:26,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-07 17:13:26,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-07 17:13:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-07 17:13:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2020-12-07 17:13:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-07 17:13:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-07 17:13:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-07 17:13:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-07 17:13:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-07 17:13:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-07 17:13:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-07 17:13:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-07 17:13:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-07 17:13:26,783 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_uaddl_overflow [2020-12-07 17:13:26,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-07 17:13:26,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-07 17:13:26,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-07 17:13:26,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-07 17:13:26,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real [2020-12-07 17:13:26,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-07 17:13:37,224 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##62: assume !true; [2020-12-07 17:13:37,237 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-07 17:13:37,237 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2020-12-07 17:13:37,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:13:37 BoogieIcfgContainer [2020-12-07 17:13:37,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-07 17:13:37,243 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-07 17:13:37,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-07 17:13:37,248 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-07 17:13:37,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:13:20" (1/3) ... [2020-12-07 17:13:37,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c347b6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:13:37, skipping insertion in model container [2020-12-07 17:13:37,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:26" (2/3) ... [2020-12-07 17:13:37,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c347b6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:13:37, skipping insertion in model container [2020-12-07 17:13:37,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:13:37" (3/3) ... [2020-12-07 17:13:37,254 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_string_harness.i [2020-12-07 17:13:37,274 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-07 17:13:37,280 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-12-07 17:13:37,294 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-12-07 17:13:37,328 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-07 17:13:37,328 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-07 17:13:37,328 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-07 17:13:37,329 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-07 17:13:37,329 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-07 17:13:37,329 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-07 17:13:37,329 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-07 17:13:37,329 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-07 17:13:37,353 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2020-12-07 17:13:37,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-07 17:13:37,361 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 17:13:37,362 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-07 17:13:37,363 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 17:13:37,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 17:13:37,371 INFO L82 PathProgramCache]: Analyzing trace with hash 1109000935, now seen corresponding path program 1 times [2020-12-07 17:13:37,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 17:13:37,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663530031] [2020-12-07 17:13:37,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 17:13:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 17:13:38,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 17:13:38,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663530031] [2020-12-07 17:13:38,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-07 17:13:38,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-07 17:13:38,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686781145] [2020-12-07 17:13:38,353 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-07 17:13:38,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 17:13:38,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-07 17:13:38,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-07 17:13:38,380 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2020-12-07 17:13:38,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 17:13:38,423 INFO L93 Difference]: Finished difference Result 237 states and 310 transitions. [2020-12-07 17:13:38,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-07 17:13:38,425 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 34 [2020-12-07 17:13:38,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 17:13:38,441 INFO L225 Difference]: With dead ends: 237 [2020-12-07 17:13:38,441 INFO L226 Difference]: Without dead ends: 115 [2020-12-07 17:13:38,447 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-07 17:13:38,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-12-07 17:13:38,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-12-07 17:13:38,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-12-07 17:13:38,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2020-12-07 17:13:38,507 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 34 [2020-12-07 17:13:38,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 17:13:38,509 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2020-12-07 17:13:38,509 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-07 17:13:38,509 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2020-12-07 17:13:38,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-07 17:13:38,511 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 17:13:38,512 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-07 17:13:38,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-07 17:13:38,513 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 17:13:38,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 17:13:38,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1047697893, now seen corresponding path program 1 times [2020-12-07 17:13:38,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 17:13:38,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727641280] [2020-12-07 17:13:38,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 17:13:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 17:13:39,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 17:13:39,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727641280] [2020-12-07 17:13:39,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-07 17:13:39,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-07 17:13:39,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24625676] [2020-12-07 17:13:39,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-07 17:13:39,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 17:13:39,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-07 17:13:39,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-07 17:13:39,093 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 5 states. [2020-12-07 17:13:41,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 17:13:41,525 INFO L93 Difference]: Finished difference Result 208 states and 242 transitions. [2020-12-07 17:13:41,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-07 17:13:41,527 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-07 17:13:41,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 17:13:41,529 INFO L225 Difference]: With dead ends: 208 [2020-12-07 17:13:41,529 INFO L226 Difference]: Without dead ends: 117 [2020-12-07 17:13:41,531 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-07 17:13:41,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-12-07 17:13:41,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-12-07 17:13:41,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-12-07 17:13:41,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2020-12-07 17:13:41,549 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 34 [2020-12-07 17:13:41,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 17:13:41,549 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2020-12-07 17:13:41,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-07 17:13:41,550 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2020-12-07 17:13:41,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-07 17:13:41,551 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 17:13:41,551 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-07 17:13:41,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-07 17:13:41,552 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 17:13:41,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 17:13:41,553 INFO L82 PathProgramCache]: Analyzing trace with hash -887750569, now seen corresponding path program 1 times [2020-12-07 17:13:41,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 17:13:41,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519920983] [2020-12-07 17:13:41,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 17:13:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 17:13:42,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 17:13:42,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519920983] [2020-12-07 17:13:42,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-07 17:13:42,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-07 17:13:42,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612020992] [2020-12-07 17:13:42,113 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-07 17:13:42,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 17:13:42,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-07 17:13:42,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-07 17:13:42,114 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand 6 states. [2020-12-07 17:13:42,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 17:13:42,369 INFO L93 Difference]: Finished difference Result 279 states and 322 transitions. [2020-12-07 17:13:42,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-07 17:13:42,369 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-12-07 17:13:42,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 17:13:42,380 INFO L225 Difference]: With dead ends: 279 [2020-12-07 17:13:42,381 INFO L226 Difference]: Without dead ends: 188 [2020-12-07 17:13:42,388 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-12-07 17:13:42,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-12-07 17:13:42,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 115. [2020-12-07 17:13:42,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-12-07 17:13:42,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 133 transitions. [2020-12-07 17:13:42,427 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 133 transitions. Word has length 35 [2020-12-07 17:13:42,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 17:13:42,429 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 133 transitions. [2020-12-07 17:13:42,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-07 17:13:42,429 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 133 transitions. [2020-12-07 17:13:42,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-07 17:13:42,432 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 17:13:42,432 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-07 17:13:42,433 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-07 17:13:42,433 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 17:13:42,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 17:13:42,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1393620352, now seen corresponding path program 1 times [2020-12-07 17:13:42,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 17:13:42,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759137537] [2020-12-07 17:13:42,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 17:13:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 17:13:42,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 17:13:42,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759137537] [2020-12-07 17:13:42,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-07 17:13:42,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-07 17:13:42,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794293724] [2020-12-07 17:13:42,882 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-07 17:13:42,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 17:13:42,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-07 17:13:42,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-07 17:13:42,886 INFO L87 Difference]: Start difference. First operand 115 states and 133 transitions. Second operand 5 states. [2020-12-07 17:13:43,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 17:13:43,015 INFO L93 Difference]: Finished difference Result 178 states and 203 transitions. [2020-12-07 17:13:43,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-07 17:13:43,017 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2020-12-07 17:13:43,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 17:13:43,018 INFO L225 Difference]: With dead ends: 178 [2020-12-07 17:13:43,018 INFO L226 Difference]: Without dead ends: 136 [2020-12-07 17:13:43,019 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-07 17:13:43,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-12-07 17:13:43,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 118. [2020-12-07 17:13:43,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-12-07 17:13:43,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 136 transitions. [2020-12-07 17:13:43,032 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 136 transitions. Word has length 39 [2020-12-07 17:13:43,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 17:13:43,033 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 136 transitions. [2020-12-07 17:13:43,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-07 17:13:43,033 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 136 transitions. [2020-12-07 17:13:43,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-07 17:13:43,035 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 17:13:43,036 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-07 17:13:43,036 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-07 17:13:43,036 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 17:13:43,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 17:13:43,037 INFO L82 PathProgramCache]: Analyzing trace with hash 999991327, now seen corresponding path program 1 times [2020-12-07 17:13:43,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 17:13:43,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333771739] [2020-12-07 17:13:43,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 17:13:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 17:13:44,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 17:13:44,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333771739] [2020-12-07 17:13:44,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-07 17:13:44,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-07 17:13:44,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407534399] [2020-12-07 17:13:44,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-07 17:13:44,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 17:13:44,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-07 17:13:44,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-12-07 17:13:44,814 INFO L87 Difference]: Start difference. First operand 118 states and 136 transitions. Second operand 11 states. [2020-12-07 17:13:52,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 17:13:52,314 INFO L93 Difference]: Finished difference Result 278 states and 321 transitions. [2020-12-07 17:13:52,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-07 17:13:52,316 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 45 [2020-12-07 17:13:52,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 17:13:52,317 INFO L225 Difference]: With dead ends: 278 [2020-12-07 17:13:52,318 INFO L226 Difference]: Without dead ends: 177 [2020-12-07 17:13:52,319 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2020-12-07 17:13:52,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-12-07 17:13:52,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 123. [2020-12-07 17:13:52,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-12-07 17:13:52,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 141 transitions. [2020-12-07 17:13:52,341 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 141 transitions. Word has length 45 [2020-12-07 17:13:52,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 17:13:52,344 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 141 transitions. [2020-12-07 17:13:52,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-07 17:13:52,345 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 141 transitions. [2020-12-07 17:13:52,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-07 17:13:52,348 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 17:13:52,349 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-07 17:13:52,349 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-07 17:13:52,349 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 17:13:52,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 17:13:52,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1346770636, now seen corresponding path program 1 times [2020-12-07 17:13:52,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 17:13:52,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998044071] [2020-12-07 17:13:52,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 17:13:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 17:13:53,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 17:13:53,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998044071] [2020-12-07 17:13:53,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-07 17:13:53,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-07 17:13:53,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693293934] [2020-12-07 17:13:53,624 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-07 17:13:53,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 17:13:53,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-07 17:13:53,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-07 17:13:53,626 INFO L87 Difference]: Start difference. First operand 123 states and 141 transitions. Second operand 6 states. [2020-12-07 17:13:53,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 17:13:53,786 INFO L93 Difference]: Finished difference Result 123 states and 141 transitions. [2020-12-07 17:13:53,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-07 17:13:53,786 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 46 [2020-12-07 17:13:53,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 17:13:53,787 INFO L225 Difference]: With dead ends: 123 [2020-12-07 17:13:53,788 INFO L226 Difference]: Without dead ends: 0 [2020-12-07 17:13:53,791 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-12-07 17:13:53,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-07 17:13:53,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-07 17:13:53,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-07 17:13:53,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-07 17:13:53,795 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2020-12-07 17:13:53,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 17:13:53,796 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-07 17:13:53,796 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-07 17:13:53,796 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-07 17:13:53,796 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-07 17:13:53,797 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-07 17:13:53,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-07 17:13:53,946 INFO L258 CegarLoopResult]: At program point L250(lines 248 251) the Hoare annotation is: false [2020-12-07 17:13:53,946 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-07 17:13:53,946 INFO L258 CegarLoopResult]: At program point L6890(lines 6889 6891) the Hoare annotation is: false [2020-12-07 17:13:53,947 INFO L258 CegarLoopResult]: At program point L6890-2(lines 6889 6891) the Hoare annotation is: false [2020-12-07 17:13:53,947 INFO L258 CegarLoopResult]: At program point L6890-1(lines 6889 6891) the Hoare annotation is: false [2020-12-07 17:13:53,947 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-07 17:13:53,947 INFO L262 CegarLoopResult]: For program point L8989(line 8989) no Hoare annotation was computed. [2020-12-07 17:13:53,947 INFO L262 CegarLoopResult]: For program point L8989-2(line 8989) no Hoare annotation was computed. [2020-12-07 17:13:53,947 INFO L258 CegarLoopResult]: At program point L6925(lines 6923 6926) the Hoare annotation is: false [2020-12-07 17:13:53,947 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-07 17:13:53,947 INFO L262 CegarLoopResult]: For program point L6810(lines 6810 6811) no Hoare annotation was computed. [2020-12-07 17:13:53,948 INFO L258 CegarLoopResult]: At program point L8990(lines 8988 8991) the Hoare annotation is: false [2020-12-07 17:13:53,948 INFO L262 CegarLoopResult]: For program point L6810-2(lines 6810 6811) no Hoare annotation was computed. [2020-12-07 17:13:53,948 INFO L262 CegarLoopResult]: For program point L8974(lines 8974 8978) no Hoare annotation was computed. [2020-12-07 17:13:53,948 INFO L262 CegarLoopResult]: For program point L9338(lines 9338 9344) no Hoare annotation was computed. [2020-12-07 17:13:53,948 INFO L262 CegarLoopResult]: For program point L9338-2(lines 9338 9344) no Hoare annotation was computed. [2020-12-07 17:13:53,948 INFO L258 CegarLoopResult]: At program point L6795(lines 6793 6798) the Hoare annotation is: false [2020-12-07 17:13:53,948 INFO L262 CegarLoopResult]: For program point L222(lines 222 224) no Hoare annotation was computed. [2020-12-07 17:13:53,948 INFO L262 CegarLoopResult]: For program point L222-1(lines 222 224) no Hoare annotation was computed. [2020-12-07 17:13:53,948 INFO L262 CegarLoopResult]: For program point L222-2(lines 222 224) no Hoare annotation was computed. [2020-12-07 17:13:53,949 INFO L262 CegarLoopResult]: For program point L222-3(lines 222 224) no Hoare annotation was computed. [2020-12-07 17:13:53,949 INFO L262 CegarLoopResult]: For program point L222-4(lines 7101 7111) no Hoare annotation was computed. [2020-12-07 17:13:53,949 INFO L262 CegarLoopResult]: For program point L222-5(lines 222 224) no Hoare annotation was computed. [2020-12-07 17:13:53,949 INFO L258 CegarLoopResult]: At program point L2617(lines 2613 2621) the Hoare annotation is: false [2020-12-07 17:13:53,949 INFO L262 CegarLoopResult]: For program point L222-6(lines 222 224) no Hoare annotation was computed. [2020-12-07 17:13:53,949 INFO L262 CegarLoopResult]: For program point L222-7(lines 222 224) no Hoare annotation was computed. [2020-12-07 17:13:53,949 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-07 17:13:53,949 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-07 17:13:53,950 INFO L262 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-12-07 17:13:53,950 INFO L262 CegarLoopResult]: For program point L223-1(line 223) no Hoare annotation was computed. [2020-12-07 17:13:53,950 INFO L262 CegarLoopResult]: For program point L223-3(line 223) no Hoare annotation was computed. [2020-12-07 17:13:53,950 INFO L262 CegarLoopResult]: For program point L223-4(line 223) no Hoare annotation was computed. [2020-12-07 17:13:53,950 INFO L262 CegarLoopResult]: For program point L223-6(line 223) no Hoare annotation was computed. [2020-12-07 17:13:53,950 INFO L262 CegarLoopResult]: For program point L223-7(line 223) no Hoare annotation was computed. [2020-12-07 17:13:53,950 INFO L262 CegarLoopResult]: For program point L223-9(line 223) no Hoare annotation was computed. [2020-12-07 17:13:53,950 INFO L262 CegarLoopResult]: For program point L223-10(line 223) no Hoare annotation was computed. [2020-12-07 17:13:53,950 INFO L262 CegarLoopResult]: For program point L223-12(line 223) no Hoare annotation was computed. [2020-12-07 17:13:53,951 INFO L262 CegarLoopResult]: For program point L223-13(line 223) no Hoare annotation was computed. [2020-12-07 17:13:53,951 INFO L262 CegarLoopResult]: For program point L223-15(line 223) no Hoare annotation was computed. [2020-12-07 17:13:53,951 INFO L262 CegarLoopResult]: For program point L223-16(line 223) no Hoare annotation was computed. [2020-12-07 17:13:53,951 INFO L262 CegarLoopResult]: For program point L223-18(line 223) no Hoare annotation was computed. [2020-12-07 17:13:53,951 INFO L262 CegarLoopResult]: For program point L223-19(line 223) no Hoare annotation was computed. [2020-12-07 17:13:53,951 INFO L262 CegarLoopResult]: For program point L223-21(line 223) no Hoare annotation was computed. [2020-12-07 17:13:53,951 INFO L262 CegarLoopResult]: For program point L223-22(line 223) no Hoare annotation was computed. [2020-12-07 17:13:53,951 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-07 17:13:53,952 INFO L258 CegarLoopResult]: At program point L6815(lines 6806 6816) the Hoare annotation is: false [2020-12-07 17:13:53,952 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-07 17:13:53,952 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-07 17:13:53,952 INFO L262 CegarLoopResult]: For program point L210(lines 210 212) no Hoare annotation was computed. [2020-12-07 17:13:53,952 INFO L262 CegarLoopResult]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2020-12-07 17:13:53,952 INFO L262 CegarLoopResult]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2020-12-07 17:13:53,952 INFO L262 CegarLoopResult]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2020-12-07 17:13:53,952 INFO L262 CegarLoopResult]: For program point L210-4(lines 210 212) no Hoare annotation was computed. [2020-12-07 17:13:53,953 INFO L262 CegarLoopResult]: For program point L210-5(lines 210 212) no Hoare annotation was computed. [2020-12-07 17:13:53,953 INFO L262 CegarLoopResult]: For program point L210-6(lines 210 212) no Hoare annotation was computed. [2020-12-07 17:13:53,953 INFO L262 CegarLoopResult]: For program point L210-7(lines 210 212) no Hoare annotation was computed. [2020-12-07 17:13:53,953 INFO L262 CegarLoopResult]: For program point L210-8(lines 210 212) no Hoare annotation was computed. [2020-12-07 17:13:53,953 INFO L258 CegarLoopResult]: At program point L8964(lines 8964 8986) the Hoare annotation is: false [2020-12-07 17:13:53,953 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-07 17:13:53,953 INFO L262 CegarLoopResult]: For program point L6900-2(lines 6900 6902) no Hoare annotation was computed. [2020-12-07 17:13:53,953 INFO L262 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-12-07 17:13:53,954 INFO L262 CegarLoopResult]: For program point L6900(lines 6900 6902) no Hoare annotation was computed. [2020-12-07 17:13:53,954 INFO L262 CegarLoopResult]: For program point L211-2(line 211) no Hoare annotation was computed. [2020-12-07 17:13:53,954 INFO L262 CegarLoopResult]: For program point L6256-2(line 6256) no Hoare annotation was computed. [2020-12-07 17:13:53,954 INFO L262 CegarLoopResult]: For program point L211-4(line 211) no Hoare annotation was computed. [2020-12-07 17:13:53,954 INFO L262 CegarLoopResult]: For program point L6256(line 6256) no Hoare annotation was computed. [2020-12-07 17:13:53,954 INFO L258 CegarLoopResult]: At program point L6900-3(lines 6899 6903) the Hoare annotation is: false [2020-12-07 17:13:53,954 INFO L262 CegarLoopResult]: For program point L6256-5(line 6256) no Hoare annotation was computed. [2020-12-07 17:13:53,954 INFO L262 CegarLoopResult]: For program point L211-6(line 211) no Hoare annotation was computed. [2020-12-07 17:13:53,954 INFO L258 CegarLoopResult]: At program point L6256-6(lines 6252 6257) the Hoare annotation is: false [2020-12-07 17:13:53,955 INFO L262 CegarLoopResult]: For program point L6256-3(line 6256) no Hoare annotation was computed. [2020-12-07 17:13:53,955 INFO L262 CegarLoopResult]: For program point L211-8(line 211) no Hoare annotation was computed. [2020-12-07 17:13:53,955 INFO L262 CegarLoopResult]: For program point L211-10(line 211) no Hoare annotation was computed. [2020-12-07 17:13:53,955 INFO L262 CegarLoopResult]: For program point L6256-9(line 6256) no Hoare annotation was computed. [2020-12-07 17:13:53,955 INFO L262 CegarLoopResult]: For program point L6256-10(line 6256) no Hoare annotation was computed. [2020-12-07 17:13:53,955 INFO L262 CegarLoopResult]: For program point L211-12(line 211) no Hoare annotation was computed. [2020-12-07 17:13:53,955 INFO L262 CegarLoopResult]: For program point L6256-7(line 6256) no Hoare annotation was computed. [2020-12-07 17:13:53,955 INFO L258 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: false [2020-12-07 17:13:53,955 INFO L262 CegarLoopResult]: For program point L211-14(line 211) no Hoare annotation was computed. [2020-12-07 17:13:53,956 INFO L258 CegarLoopResult]: At program point L6256-13(lines 6252 6257) the Hoare annotation is: false [2020-12-07 17:13:53,956 INFO L258 CegarLoopResult]: At program point L261-1(line 261) the Hoare annotation is: false [2020-12-07 17:13:53,956 INFO L262 CegarLoopResult]: For program point L6256-14(line 6256) no Hoare annotation was computed. [2020-12-07 17:13:53,956 INFO L262 CegarLoopResult]: For program point L211-16(line 211) no Hoare annotation was computed. [2020-12-07 17:13:53,956 INFO L262 CegarLoopResult]: For program point L6256-12(line 6256) no Hoare annotation was computed. [2020-12-07 17:13:53,956 INFO L262 CegarLoopResult]: For program point L6256-17(line 6256) no Hoare annotation was computed. [2020-12-07 17:13:53,956 INFO L262 CegarLoopResult]: For program point L6256-16(line 6256) no Hoare annotation was computed. [2020-12-07 17:13:53,956 INFO L262 CegarLoopResult]: For program point L6256-21(line 6256) no Hoare annotation was computed. [2020-12-07 17:13:53,956 INFO L262 CegarLoopResult]: For program point L7099(lines 7099 7112) no Hoare annotation was computed. [2020-12-07 17:13:53,957 INFO L262 CegarLoopResult]: For program point L6256-19(line 6256) no Hoare annotation was computed. [2020-12-07 17:13:53,957 INFO L258 CegarLoopResult]: At program point L6256-20(lines 6252 6257) the Hoare annotation is: false [2020-12-07 17:13:53,957 INFO L262 CegarLoopResult]: For program point L6934(lines 6934 6936) no Hoare annotation was computed. [2020-12-07 17:13:53,957 INFO L262 CegarLoopResult]: For program point L6256-26(line 6256) no Hoare annotation was computed. [2020-12-07 17:13:53,957 INFO L262 CegarLoopResult]: For program point L6256-23(line 6256) no Hoare annotation was computed. [2020-12-07 17:13:53,957 INFO L262 CegarLoopResult]: For program point L6256-24(line 6256) no Hoare annotation was computed. [2020-12-07 17:13:53,957 INFO L262 CegarLoopResult]: For program point L6934-2(lines 6934 6936) no Hoare annotation was computed. [2020-12-07 17:13:53,957 INFO L258 CegarLoopResult]: At program point L6256-27(lines 6252 6257) the Hoare annotation is: false [2020-12-07 17:13:53,958 INFO L262 CegarLoopResult]: For program point L9329(lines 9329 9346) no Hoare annotation was computed. [2020-12-07 17:13:53,958 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-07 17:13:53,958 INFO L258 CegarLoopResult]: At program point L6803(lines 6800 6804) the Hoare annotation is: false [2020-12-07 17:13:53,958 INFO L262 CegarLoopResult]: For program point L2542(lines 2542 2543) no Hoare annotation was computed. [2020-12-07 17:13:53,958 INFO L258 CegarLoopResult]: At program point L6886(lines 6882 6887) the Hoare annotation is: false [2020-12-07 17:13:53,958 INFO L265 CegarLoopResult]: At program point L9347(line 9347) the Hoare annotation is: true [2020-12-07 17:13:53,958 INFO L258 CegarLoopResult]: At program point L6886-1(lines 6882 6887) the Hoare annotation is: false [2020-12-07 17:13:53,958 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-07 17:13:53,958 INFO L258 CegarLoopResult]: At program point L-1-2(line -1) the Hoare annotation is: false [2020-12-07 17:13:53,959 INFO L258 CegarLoopResult]: At program point L-1-4(line -1) the Hoare annotation is: false [2020-12-07 17:13:53,959 INFO L262 CegarLoopResult]: For program point L-1-5(line -1) no Hoare annotation was computed. [2020-12-07 17:13:53,959 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-07 17:13:53,959 INFO L258 CegarLoopResult]: At program point L1998(lines 1988 1999) the Hoare annotation is: false [2020-12-07 17:13:53,959 INFO L258 CegarLoopResult]: At program point L1998-1(lines 1988 1999) the Hoare annotation is: false [2020-12-07 17:13:53,959 INFO L262 CegarLoopResult]: For program point L8968(lines 8968 8972) no Hoare annotation was computed. [2020-12-07 17:13:53,959 INFO L262 CegarLoopResult]: For program point L9332(line 9332) no Hoare annotation was computed. [2020-12-07 17:13:53,959 INFO L262 CegarLoopResult]: For program point L9332-2(line 9332) no Hoare annotation was computed. [2020-12-07 17:13:53,960 INFO L258 CegarLoopResult]: At program point L6937(lines 6928 6938) the Hoare annotation is: false [2020-12-07 17:13:53,960 INFO L262 CegarLoopResult]: For program point L7317-1(lines 7317 7319) no Hoare annotation was computed. [2020-12-07 17:13:53,960 INFO L258 CegarLoopResult]: At program point L8985-2(line 8985) the Hoare annotation is: false [2020-12-07 17:13:53,960 INFO L262 CegarLoopResult]: For program point L7317(lines 7317 7319) no Hoare annotation was computed. [2020-12-07 17:13:53,960 INFO L262 CegarLoopResult]: For program point L8985-3(line 8985) no Hoare annotation was computed. [2020-12-07 17:13:53,960 INFO L258 CegarLoopResult]: At program point L2545(lines 2541 2546) the Hoare annotation is: false [2020-12-07 17:13:53,960 INFO L258 CegarLoopResult]: 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 18446744073710786165)) [2020-12-07 17:13:53,961 INFO L258 CegarLoopResult]: At program point L266-1(line 266) the Hoare annotation is: false [2020-12-07 17:13:54,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:13:54 BoogieIcfgContainer [2020-12-07 17:13:54,005 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-07 17:13:54,006 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-07 17:13:54,006 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-07 17:13:54,006 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-07 17:13:54,007 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:13:37" (3/4) ... [2020-12-07 17:13:54,012 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-07 17:13:54,043 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 164 nodes and edges [2020-12-07 17:13:54,046 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2020-12-07 17:13:54,050 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2020-12-07 17:13:54,054 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-12-07 17:13:54,056 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-07 17:13:54,058 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-07 17:13:54,061 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-07 17:13:54,063 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-07 17:13:55,396 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-07 17:13:55,397 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-07 17:13:55,400 INFO L168 Benchmark]: Toolchain (without parser) took 35069.73 ms. Allocated memory was 46.1 MB in the beginning and 539.0 MB in the end (delta: 492.8 MB). Free memory was 24.5 MB in the beginning and 321.6 MB in the end (delta: -297.1 MB). Peak memory consumption was 368.3 MB. Max. memory is 16.1 GB. [2020-12-07 17:13:55,402 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 37.7 MB. Free memory was 20.7 MB in the beginning and 20.7 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-07 17:13:55,403 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5726.48 ms. Allocated memory was 46.1 MB in the beginning and 109.1 MB in the end (delta: 62.9 MB). Free memory was 24.3 MB in the beginning and 36.8 MB in the end (delta: -12.6 MB). Peak memory consumption was 72.2 MB. Max. memory is 16.1 GB. [2020-12-07 17:13:55,403 INFO L168 Benchmark]: Boogie Procedure Inliner took 381.99 ms. Allocated memory is still 109.1 MB. Free memory was 36.6 MB in the beginning and 23.1 MB in the end (delta: 13.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-07 17:13:55,404 INFO L168 Benchmark]: Boogie Preprocessor took 154.21 ms. Allocated memory is still 109.1 MB. Free memory was 23.1 MB in the beginning and 54.6 MB in the end (delta: -31.5 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2020-12-07 17:13:55,404 INFO L168 Benchmark]: RCFGBuilder took 10643.79 ms. Allocated memory was 109.1 MB in the beginning and 408.9 MB in the end (delta: 299.9 MB). Free memory was 54.6 MB in the beginning and 289.7 MB in the end (delta: -235.1 MB). Peak memory consumption was 207.1 MB. Max. memory is 16.1 GB. [2020-12-07 17:13:55,405 INFO L168 Benchmark]: TraceAbstraction took 16761.95 ms. Allocated memory is still 408.9 MB. Free memory was 289.7 MB in the beginning and 147.9 MB in the end (delta: 141.8 MB). Peak memory consumption was 141.8 MB. Max. memory is 16.1 GB. [2020-12-07 17:13:55,405 INFO L168 Benchmark]: Witness Printer took 1390.93 ms. Allocated memory was 408.9 MB in the beginning and 539.0 MB in the end (delta: 130.0 MB). Free memory was 147.9 MB in the beginning and 321.6 MB in the end (delta: -173.7 MB). Peak memory consumption was 127.5 MB. Max. memory is 16.1 GB. [2020-12-07 17:13:55,408 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 37.7 MB. Free memory was 20.7 MB in the beginning and 20.7 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5726.48 ms. Allocated memory was 46.1 MB in the beginning and 109.1 MB in the end (delta: 62.9 MB). Free memory was 24.3 MB in the beginning and 36.8 MB in the end (delta: -12.6 MB). Peak memory consumption was 72.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 381.99 ms. Allocated memory is still 109.1 MB. Free memory was 36.6 MB in the beginning and 23.1 MB in the end (delta: 13.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 154.21 ms. Allocated memory is still 109.1 MB. Free memory was 23.1 MB in the beginning and 54.6 MB in the end (delta: -31.5 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 10643.79 ms. Allocated memory was 109.1 MB in the beginning and 408.9 MB in the end (delta: 299.9 MB). Free memory was 54.6 MB in the beginning and 289.7 MB in the end (delta: -235.1 MB). Peak memory consumption was 207.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16761.95 ms. Allocated memory is still 408.9 MB. Free memory was 289.7 MB in the beginning and 147.9 MB in the end (delta: 141.8 MB). Peak memory consumption was 141.8 MB. Max. memory is 16.1 GB. * Witness Printer took 1390.93 ms. Allocated memory was 408.9 MB in the beginning and 539.0 MB in the end (delta: 130.0 MB). Free memory was 147.9 MB in the beginning and 321.6 MB in the end (delta: -173.7 MB). Peak memory consumption was 127.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - 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 - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1988]: 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: 8985]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9347]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: !(s_can_fail_allocator_static == 0) && max_size == 18446744073710786165 - InvariantResult [Line: 6882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6793]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8964]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6923]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6899]: 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: 8988]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 121 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.4s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 10.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 790 SDtfs, 1030 SDslu, 1939 SDs, 0 SdLazy, 178 SolverSat, 11 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 9.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 145 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 31 NumberOfFragments, 37 HoareAnnotationTreeSize, 30 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 30 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 233 NumberOfCodeBlocks, 233 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 227 ConstructedInterpolants, 0 QuantifiedInterpolants, 22813 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...