./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_compare_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_compare_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 66fb9bfec5c458b51d86deb6748dd65f162e7ac6a772af5f3fec59d101a18d8d --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-c36dfa3 [2021-11-03 23:48:26,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 23:48:26,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 23:48:26,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 23:48:26,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 23:48:26,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 23:48:26,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 23:48:26,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 23:48:26,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 23:48:26,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 23:48:26,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 23:48:26,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 23:48:26,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 23:48:26,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 23:48:26,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 23:48:26,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 23:48:26,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 23:48:26,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 23:48:26,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 23:48:26,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 23:48:26,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 23:48:26,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 23:48:26,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 23:48:26,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 23:48:26,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 23:48:26,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 23:48:26,670 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 23:48:26,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 23:48:26,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 23:48:26,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 23:48:26,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 23:48:26,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 23:48:26,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 23:48:26,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 23:48:26,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 23:48:26,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 23:48:26,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 23:48:26,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 23:48:26,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 23:48:26,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 23:48:26,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 23:48:26,678 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-03 23:48:26,697 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 23:48:26,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 23:48:26,699 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-03 23:48:26,699 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-03 23:48:26,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-03 23:48:26,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-03 23:48:26,700 INFO L138 SettingsManager]: * Use SBE=true [2021-11-03 23:48:26,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 23:48:26,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 23:48:26,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 23:48:26,701 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 23:48:26,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 23:48:26,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 23:48:26,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 23:48:26,701 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 23:48:26,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 23:48:26,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 23:48:26,702 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 23:48:26,702 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 23:48:26,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 23:48:26,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 23:48:26,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 23:48:26,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 23:48:26,703 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-03 23:48:26,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 23:48:26,703 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-03 23:48:26,703 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-03 23:48:26,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 23:48:26,704 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 23:48:26,704 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66fb9bfec5c458b51d86deb6748dd65f162e7ac6a772af5f3fec59d101a18d8d [2021-11-03 23:48:26,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 23:48:26,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 23:48:26,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 23:48:26,937 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 23:48:26,938 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 23:48:26,939 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i [2021-11-03 23:48:27,005 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/438da3d30/57ee5f07611341c7819f7c39a7de14aa/FLAG53afb9454 [2021-11-03 23:48:27,657 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 23:48:27,658 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i [2021-11-03 23:48:27,697 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/438da3d30/57ee5f07611341c7819f7c39a7de14aa/FLAG53afb9454 [2021-11-03 23:48:28,019 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/438da3d30/57ee5f07611341c7819f7c39a7de14aa [2021-11-03 23:48:28,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 23:48:28,022 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 23:48:28,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 23:48:28,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 23:48:28,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 23:48:28,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 11:48:28" (1/1) ... [2021-11-03 23:48:28,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fc2a2fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:48:28, skipping insertion in model container [2021-11-03 23:48:28,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 11:48:28" (1/1) ... [2021-11-03 23:48:28,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 23:48:28,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 23:48:28,303 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_compare_harness.i[4492,4505] [2021-11-03 23:48:28,311 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_compare_harness.i[4552,4565] [2021-11-03 23:48:28,337 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 23:48:28,349 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 23:48:28,943 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:48:28,947 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:48:28,948 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:48:28,948 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:48:28,949 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:48:28,956 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:48:28,957 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:48:28,958 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:48:28,959 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:48:29,167 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 23:48:29,168 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 23:48:29,168 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 23:48:29,169 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 23:48:29,170 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 23:48:29,171 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 23:48:29,171 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 23:48:29,171 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 23:48:29,172 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 23:48:29,172 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 23:48:29,269 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 23:48:29,342 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:48:29,342 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:48:29,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 23:48:29,492 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 23:48:29,513 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_compare_harness.i[4492,4505] [2021-11-03 23:48:29,515 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_compare_harness.i[4552,4565] [2021-11-03 23:48:29,518 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 23:48:29,518 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 23:48:29,558 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:48:29,559 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:48:29,559 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:48:29,560 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:48:29,561 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:48:29,623 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:48:29,623 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:48:29,623 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:48:29,624 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:48:29,680 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 23:48:29,681 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 23:48:29,681 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 23:48:29,682 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 23:48:29,684 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 23:48:29,684 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 23:48:29,684 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 23:48:29,685 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 23:48:29,685 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 23:48:29,685 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 23:48:29,717 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 23:48:29,776 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:48:29,777 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:48:29,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 23:48:30,007 INFO L208 MainTranslator]: Completed translation [2021-11-03 23:48:30,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:48:30 WrapperNode [2021-11-03 23:48:30,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 23:48:30,010 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 23:48:30,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 23:48:30,010 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 23:48:30,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:48:30" (1/1) ... [2021-11-03 23:48:30,124 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:48:30" (1/1) ... [2021-11-03 23:48:30,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 23:48:30,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 23:48:30,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 23:48:30,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 23:48:30,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:48:30" (1/1) ... [2021-11-03 23:48:30,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:48:30" (1/1) ... [2021-11-03 23:48:30,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:48:30" (1/1) ... [2021-11-03 23:48:30,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:48:30" (1/1) ... [2021-11-03 23:48:30,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:48:30" (1/1) ... [2021-11-03 23:48:30,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:48:30" (1/1) ... [2021-11-03 23:48:30,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:48:30" (1/1) ... [2021-11-03 23:48:30,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 23:48:30,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 23:48:30,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 23:48:30,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 23:48:30,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:48:30" (1/1) ... [2021-11-03 23:48:30,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 23:48:30,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-03 23:48:30,341 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 23:48:30,356 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 23:48:30,369 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-03 23:48:30,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-03 23:48:30,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 23:48:30,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 23:48:30,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 23:48:30,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 23:48:30,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-03 23:48:30,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 23:48:30,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 23:48:30,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-03 23:48:30,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 23:48:34,953 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 23:48:34,953 INFO L299 CfgBuilder]: Removed 94 assume(true) statements. [2021-11-03 23:48:34,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 11:48:34 BoogieIcfgContainer [2021-11-03 23:48:34,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 23:48:34,967 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 23:48:34,967 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 23:48:34,970 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 23:48:34,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 11:48:28" (1/3) ... [2021-11-03 23:48:34,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3053a26b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 11:48:34, skipping insertion in model container [2021-11-03 23:48:34,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:48:30" (2/3) ... [2021-11-03 23:48:34,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3053a26b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 11:48:34, skipping insertion in model container [2021-11-03 23:48:34,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 11:48:34" (3/3) ... [2021-11-03 23:48:34,972 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_compare_harness.i [2021-11-03 23:48:34,975 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 23:48:34,975 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-03 23:48:35,006 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 23:48:35,010 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 23:48:35,011 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-03 23:48:35,022 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 130 states have (on average 1.4384615384615385) internal successors, (187), 136 states have internal predecessors, (187), 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 23:48:35,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-03 23:48:35,026 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 23:48:35,027 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] [2021-11-03 23:48:35,027 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-03 23:48:35,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 23:48:35,031 INFO L85 PathProgramCache]: Analyzing trace with hash 171211731, now seen corresponding path program 1 times [2021-11-03 23:48:35,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 23:48:35,037 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831299564] [2021-11-03 23:48:35,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 23:48:35,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 23:48:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 23:48:35,619 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 23:48:35,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 23:48:35,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831299564] [2021-11-03 23:48:35,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831299564] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 23:48:35,621 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 23:48:35,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 23:48:35,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918755871] [2021-11-03 23:48:35,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-03 23:48:35,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 23:48:35,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 23:48:35,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 23:48:35,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 23:48:35,656 INFO L87 Difference]: Start difference. First operand has 137 states, 130 states have (on average 1.4384615384615385) internal successors, (187), 136 states have internal predecessors, (187), 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 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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 23:48:37,746 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:48:38,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 23:48:38,388 INFO L93 Difference]: Finished difference Result 268 states and 366 transitions. [2021-11-03 23:48:38,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 23:48:38,391 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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 28 [2021-11-03 23:48:38,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 23:48:38,397 INFO L225 Difference]: With dead ends: 268 [2021-11-03 23:48:38,397 INFO L226 Difference]: Without dead ends: 132 [2021-11-03 23:48:38,400 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 23:48:38,402 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2455.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.91ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2687.38ms IncrementalHoareTripleChecker+Time [2021-11-03 23:48:38,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 172 Unknown, 0 Unchecked, 1.91ms Time], IncrementalHoareTripleChecker [0 Valid, 171 Invalid, 1 Unknown, 0 Unchecked, 2687.38ms Time] [2021-11-03 23:48:38,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-11-03 23:48:38,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2021-11-03 23:48:38,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 126 states have (on average 1.3174603174603174) internal successors, (166), 131 states have internal predecessors, (166), 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 23:48:38,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 166 transitions. [2021-11-03 23:48:38,451 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 166 transitions. Word has length 28 [2021-11-03 23:48:38,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 23:48:38,451 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 166 transitions. [2021-11-03 23:48:38,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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 23:48:38,452 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 166 transitions. [2021-11-03 23:48:38,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-03 23:48:38,453 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 23:48:38,453 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] [2021-11-03 23:48:38,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 23:48:38,453 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-03 23:48:38,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 23:48:38,454 INFO L85 PathProgramCache]: Analyzing trace with hash -379969457, now seen corresponding path program 1 times [2021-11-03 23:48:38,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 23:48:38,455 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354389454] [2021-11-03 23:48:38,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 23:48:38,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 23:48:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 23:48:38,742 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 23:48:38,742 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 23:48:38,743 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354389454] [2021-11-03 23:48:38,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354389454] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 23:48:38,743 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 23:48:38,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-03 23:48:38,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294393323] [2021-11-03 23:48:38,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-03 23:48:38,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 23:48:38,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 23:48:38,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 23:48:38,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 23:48:38,745 INFO L87 Difference]: Start difference. First operand 132 states and 166 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 23:48:40,822 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:48:42,170 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:48:44,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 23:48:44,343 INFO L93 Difference]: Finished difference Result 258 states and 326 transitions. [2021-11-03 23:48:44,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 23:48:44,344 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 28 [2021-11-03 23:48:44,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 23:48:44,349 INFO L225 Difference]: With dead ends: 258 [2021-11-03 23:48:44,349 INFO L226 Difference]: Without dead ends: 227 [2021-11-03 23:48:44,350 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 41.80ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 23:48:44,352 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 101 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4562.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.10ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5521.84ms IncrementalHoareTripleChecker+Time [2021-11-03 23:48:44,352 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [101 Valid, 0 Invalid, 498 Unknown, 0 Unchecked, 12.10ms Time], IncrementalHoareTripleChecker [2 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 5521.84ms Time] [2021-11-03 23:48:44,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-11-03 23:48:44,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 214. [2021-11-03 23:48:44,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 208 states have (on average 1.3269230769230769) internal successors, (276), 213 states have internal predecessors, (276), 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 23:48:44,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 276 transitions. [2021-11-03 23:48:44,392 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 276 transitions. Word has length 28 [2021-11-03 23:48:44,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 23:48:44,401 INFO L470 AbstractCegarLoop]: Abstraction has 214 states and 276 transitions. [2021-11-03 23:48:44,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 23:48:44,402 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 276 transitions. [2021-11-03 23:48:44,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-03 23:48:44,404 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 23:48:44,404 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 23:48:44,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-03 23:48:44,404 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-03 23:48:44,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 23:48:44,405 INFO L85 PathProgramCache]: Analyzing trace with hash 619811795, now seen corresponding path program 1 times [2021-11-03 23:48:44,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 23:48:44,405 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062200844] [2021-11-03 23:48:44,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 23:48:44,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 23:48:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 23:48:44,671 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 23:48:44,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 23:48:44,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062200844] [2021-11-03 23:48:44,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062200844] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 23:48:44,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 23:48:44,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-03 23:48:44,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717770424] [2021-11-03 23:48:44,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-03 23:48:44,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 23:48:44,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 23:48:44,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 23:48:44,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 23:48:44,673 INFO L87 Difference]: Start difference. First operand 214 states and 276 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:48:45,837 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:48:47,277 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:48:49,758 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:48:52,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 23:48:52,168 INFO L93 Difference]: Finished difference Result 272 states and 346 transitions. [2021-11-03 23:48:52,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 23:48:52,168 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-03 23:48:52,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 23:48:52,170 INFO L225 Difference]: With dead ends: 272 [2021-11-03 23:48:52,170 INFO L226 Difference]: Without dead ends: 252 [2021-11-03 23:48:52,170 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 63.15ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 23:48:52,171 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 39 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6036.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.94ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7411.22ms IncrementalHoareTripleChecker+Time [2021-11-03 23:48:52,171 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 0 Invalid, 498 Unknown, 0 Unchecked, 7.94ms Time], IncrementalHoareTripleChecker [2 Valid, 495 Invalid, 1 Unknown, 0 Unchecked, 7411.22ms Time] [2021-11-03 23:48:52,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2021-11-03 23:48:52,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 218. [2021-11-03 23:48:52,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 212 states have (on average 1.320754716981132) internal successors, (280), 217 states have internal predecessors, (280), 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 23:48:52,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 280 transitions. [2021-11-03 23:48:52,178 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 280 transitions. Word has length 34 [2021-11-03 23:48:52,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 23:48:52,179 INFO L470 AbstractCegarLoop]: Abstraction has 218 states and 280 transitions. [2021-11-03 23:48:52,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:48:52,180 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 280 transitions. [2021-11-03 23:48:52,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-03 23:48:52,182 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 23:48:52,182 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] [2021-11-03 23:48:52,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-03 23:48:52,182 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-03 23:48:52,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 23:48:52,184 INFO L85 PathProgramCache]: Analyzing trace with hash -851888782, now seen corresponding path program 1 times [2021-11-03 23:48:52,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 23:48:52,184 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437286998] [2021-11-03 23:48:52,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 23:48:52,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 23:48:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 23:48:52,672 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 23:48:52,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 23:48:52,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437286998] [2021-11-03 23:48:52,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437286998] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 23:48:52,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 23:48:52,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-03 23:48:52,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57648249] [2021-11-03 23:48:52,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-03 23:48:52,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-03 23:48:52,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 23:48:52,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-03 23:48:52,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-03 23:48:52,674 INFO L87 Difference]: Start difference. First operand 218 states and 280 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 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 23:48:54,520 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:48:56,971 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:48:59,441 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:49:01,901 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:49:04,152 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:49:06,647 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:49:11,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 23:49:11,724 INFO L93 Difference]: Finished difference Result 414 states and 530 transitions. [2021-11-03 23:49:11,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-03 23:49:11,724 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 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 35 [2021-11-03 23:49:11,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 23:49:11,726 INFO L225 Difference]: With dead ends: 414 [2021-11-03 23:49:11,726 INFO L226 Difference]: Without dead ends: 370 [2021-11-03 23:49:11,726 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 427.71ms TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-11-03 23:49:11,727 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 370 mSDsluCounter, 907 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15417.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.45ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18700.38ms IncrementalHoareTripleChecker+Time [2021-11-03 23:49:11,727 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [370 Valid, 0 Invalid, 1149 Unknown, 0 Unchecked, 25.45ms Time], IncrementalHoareTripleChecker [5 Valid, 1143 Invalid, 1 Unknown, 0 Unchecked, 18700.38ms Time] [2021-11-03 23:49:11,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2021-11-03 23:49:11,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 347. [2021-11-03 23:49:11,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 341 states have (on average 1.3284457478005864) internal successors, (453), 346 states have internal predecessors, (453), 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 23:49:11,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 453 transitions. [2021-11-03 23:49:11,736 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 453 transitions. Word has length 35 [2021-11-03 23:49:11,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 23:49:11,736 INFO L470 AbstractCegarLoop]: Abstraction has 347 states and 453 transitions. [2021-11-03 23:49:11,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 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 23:49:11,737 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 453 transitions. [2021-11-03 23:49:11,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-03 23:49:11,738 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 23:49:11,738 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] [2021-11-03 23:49:11,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-03 23:49:11,739 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-03 23:49:11,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 23:49:11,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1898656179, now seen corresponding path program 1 times [2021-11-03 23:49:11,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 23:49:11,740 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806545218] [2021-11-03 23:49:11,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 23:49:11,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 23:49:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 23:49:12,648 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 23:49:12,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 23:49:12,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806545218] [2021-11-03 23:49:12,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806545218] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 23:49:12,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 23:49:12,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-11-03 23:49:12,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46853887] [2021-11-03 23:49:12,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-03 23:49:12,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-03 23:49:12,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 23:49:12,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-03 23:49:12,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-11-03 23:49:12,650 INFO L87 Difference]: Start difference. First operand 347 states and 453 transitions. Second operand has 14 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 14 states have internal predecessors, (39), 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 23:49:14,381 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:49:16,667 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:49:19,045 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:49:21,565 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:49:23,892 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:49:26,216 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:49:28,581 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:49:31,395 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:49:33,693 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:49:36,040 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:49:38,427 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:49:40,796 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:49:43,135 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:50:00,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 23:50:00,655 INFO L93 Difference]: Finished difference Result 703 states and 909 transitions. [2021-11-03 23:50:00,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-03 23:50:00,656 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 14 states have internal predecessors, (39), 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 39 [2021-11-03 23:50:00,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 23:50:00,658 INFO L225 Difference]: With dead ends: 703 [2021-11-03 23:50:00,658 INFO L226 Difference]: Without dead ends: 522 [2021-11-03 23:50:00,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 2783.75ms TimeCoverageRelationStatistics Valid=426, Invalid=1296, Unknown=0, NotChecked=0, Total=1722 [2021-11-03 23:50:00,660 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 1709 mSDsluCounter, 3404 mSDsCounter, 0 mSdLazyCounter, 4288 mSolverCounterSat, 20 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39695.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1709 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 64.74ms SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 4288 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45525.78ms IncrementalHoareTripleChecker+Time [2021-11-03 23:50:00,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1709 Valid, 0 Invalid, 4318 Unknown, 0 Unchecked, 64.74ms Time], IncrementalHoareTripleChecker [20 Valid, 4288 Invalid, 10 Unknown, 0 Unchecked, 45525.78ms Time] [2021-11-03 23:50:00,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2021-11-03 23:50:00,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 391. [2021-11-03 23:50:00,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 385 states have (on average 1.3194805194805195) internal successors, (508), 390 states have internal predecessors, (508), 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 23:50:00,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 508 transitions. [2021-11-03 23:50:00,672 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 508 transitions. Word has length 39 [2021-11-03 23:50:00,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 23:50:00,672 INFO L470 AbstractCegarLoop]: Abstraction has 391 states and 508 transitions. [2021-11-03 23:50:00,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 14 states have internal predecessors, (39), 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 23:50:00,672 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 508 transitions. [2021-11-03 23:50:00,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-03 23:50:00,673 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 23:50:00,673 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] [2021-11-03 23:50:00,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-03 23:50:00,674 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-03 23:50:00,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 23:50:00,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1178556306, now seen corresponding path program 1 times [2021-11-03 23:50:00,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 23:50:00,675 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210569061] [2021-11-03 23:50:00,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 23:50:00,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 23:50:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 23:50:01,652 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 23:50:01,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 23:50:01,653 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210569061] [2021-11-03 23:50:01,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210569061] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 23:50:01,653 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 23:50:01,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-03 23:50:01,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682761686] [2021-11-03 23:50:01,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-03 23:50:01,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 23:50:01,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 23:50:01,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 23:50:01,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-03 23:50:01,654 INFO L87 Difference]: Start difference. First operand 391 states and 508 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:50:03,508 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:50:05,889 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:50:08,449 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:50:10,799 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:50:12,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 23:50:12,874 INFO L93 Difference]: Finished difference Result 395 states and 510 transitions. [2021-11-03 23:50:12,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 23:50:12,874 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-11-03 23:50:12,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 23:50:12,875 INFO L225 Difference]: With dead ends: 395 [2021-11-03 23:50:12,875 INFO L226 Difference]: Without dead ends: 70 [2021-11-03 23:50:12,875 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 518.65ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-11-03 23:50:12,876 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 12 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8825.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.36ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10902.08ms IncrementalHoareTripleChecker+Time [2021-11-03 23:50:12,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 0 Invalid, 367 Unknown, 0 Unchecked, 2.36ms Time], IncrementalHoareTripleChecker [5 Valid, 361 Invalid, 1 Unknown, 0 Unchecked, 10902.08ms Time] [2021-11-03 23:50:12,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-11-03 23:50:12,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2021-11-03 23:50:12,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 68 states have (on average 1.2647058823529411) internal successors, (86), 69 states have internal predecessors, (86), 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 23:50:12,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 86 transitions. [2021-11-03 23:50:12,878 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 86 transitions. Word has length 43 [2021-11-03 23:50:12,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 23:50:12,878 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 86 transitions. [2021-11-03 23:50:12,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:50:12,879 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 86 transitions. [2021-11-03 23:50:12,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-03 23:50:12,879 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 23:50:12,879 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, 1, 1] [2021-11-03 23:50:12,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-03 23:50:12,879 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-03 23:50:12,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 23:50:12,880 INFO L85 PathProgramCache]: Analyzing trace with hash -56685494, now seen corresponding path program 1 times [2021-11-03 23:50:12,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 23:50:12,880 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598777821] [2021-11-03 23:50:12,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 23:50:12,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 23:50:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 23:50:13,371 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 23:50:13,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 23:50:13,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598777821] [2021-11-03 23:50:13,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598777821] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 23:50:13,371 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 23:50:13,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-03 23:50:13,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564046457] [2021-11-03 23:50:13,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-03 23:50:13,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-03 23:50:13,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 23:50:13,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-03 23:50:13,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-03 23:50:13,373 INFO L87 Difference]: Start difference. First operand 70 states and 86 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 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 23:50:15,216 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:50:17,391 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:50:21,547 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:50:24,004 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:50:26,521 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:50:29,061 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:50:31,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 23:50:31,754 INFO L93 Difference]: Finished difference Result 151 states and 188 transitions. [2021-11-03 23:50:31,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-03 23:50:31,755 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 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 50 [2021-11-03 23:50:31,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 23:50:31,755 INFO L225 Difference]: With dead ends: 151 [2021-11-03 23:50:31,755 INFO L226 Difference]: Without dead ends: 70 [2021-11-03 23:50:31,756 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 455.37ms TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-11-03 23:50:31,756 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 110 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14957.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.77ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18102.79ms IncrementalHoareTripleChecker+Time [2021-11-03 23:50:31,757 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 0 Invalid, 541 Unknown, 0 Unchecked, 4.77ms Time], IncrementalHoareTripleChecker [2 Valid, 535 Invalid, 4 Unknown, 0 Unchecked, 18102.79ms Time] [2021-11-03 23:50:31,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-11-03 23:50:31,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2021-11-03 23:50:31,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 68 states have (on average 1.2352941176470589) internal successors, (84), 69 states have internal predecessors, (84), 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 23:50:31,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 84 transitions. [2021-11-03 23:50:31,759 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 84 transitions. Word has length 50 [2021-11-03 23:50:31,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 23:50:31,759 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 84 transitions. [2021-11-03 23:50:31,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 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 23:50:31,759 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 84 transitions. [2021-11-03 23:50:31,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-03 23:50:31,760 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 23:50:31,760 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, 1, 1] [2021-11-03 23:50:31,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-03 23:50:31,760 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-03 23:50:31,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 23:50:31,760 INFO L85 PathProgramCache]: Analyzing trace with hash 191461000, now seen corresponding path program 1 times [2021-11-03 23:50:31,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 23:50:31,761 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402020259] [2021-11-03 23:50:31,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 23:50:31,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 23:50:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 23:50:32,408 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 23:50:32,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 23:50:32,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402020259] [2021-11-03 23:50:32,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402020259] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 23:50:32,409 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 23:50:32,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-03 23:50:32,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491441373] [2021-11-03 23:50:32,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-03 23:50:32,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-03 23:50:32,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 23:50:32,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-03 23:50:32,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-03 23:50:32,410 INFO L87 Difference]: Start difference. First operand 70 states and 84 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 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 23:50:34,263 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:50:36,740 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:50:39,236 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:50:41,733 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:50:44,248 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:50:46,705 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:50:49,180 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:50:51,645 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:50:53,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 23:50:53,157 INFO L93 Difference]: Finished difference Result 70 states and 84 transitions. [2021-11-03 23:50:53,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-03 23:50:53,158 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 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 50 [2021-11-03 23:50:53,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 23:50:53,158 INFO L225 Difference]: With dead ends: 70 [2021-11-03 23:50:53,158 INFO L226 Difference]: Without dead ends: 0 [2021-11-03 23:50:53,158 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 708.69ms TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-11-03 23:50:53,159 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 97 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16272.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.96ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20375.31ms IncrementalHoareTripleChecker+Time [2021-11-03 23:50:53,159 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [97 Valid, 0 Invalid, 188 Unknown, 0 Unchecked, 1.96ms Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 3 Unknown, 0 Unchecked, 20375.31ms Time] [2021-11-03 23:50:53,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-03 23:50:53,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-03 23:50:53,160 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 23:50:53,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-03 23:50:53,160 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2021-11-03 23:50:53,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 23:50:53,160 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-03 23:50:53,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 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 23:50:53,160 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-03 23:50:53,160 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-03 23:50:53,162 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2021-11-03 23:50:53,163 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2021-11-03 23:50:53,163 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2021-11-03 23:50:53,163 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2021-11-03 23:50:53,163 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2021-11-03 23:50:53,164 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2021-11-03 23:50:53,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-03 23:50:53,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-03 23:50:53,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:50:53,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:50:53,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:50:53,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:50:53,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:50:53,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:50:53,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:50:53,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:50:53,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:50:53,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:50:53,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:50:53,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:50:53,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:50:53,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:50:53,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:50:53,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:50:53,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:50:53,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:50:53,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:50:53,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:50:53,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:50:53,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:50:53,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:50:53,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:50:53,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:50:53,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:50:53,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:50:53,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:50:53,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 23:50:53,574 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-03 23:50:53,574 INFO L858 garLoopResultBuilder]: For program point L9549(lines 9549 9551) no Hoare annotation was computed. [2021-11-03 23:50:53,574 INFO L854 garLoopResultBuilder]: At program point L6890(lines 6889 6891) the Hoare annotation is: false [2021-11-03 23:50:53,574 INFO L858 garLoopResultBuilder]: For program point L9219(line 9219) no Hoare annotation was computed. [2021-11-03 23:50:53,575 INFO L854 garLoopResultBuilder]: At program point L6890-1(lines 6889 6891) the Hoare annotation is: false [2021-11-03 23:50:53,575 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-03 23:50:53,575 INFO L858 garLoopResultBuilder]: For program point L9219-2(line 9219) no Hoare annotation was computed. [2021-11-03 23:50:53,575 INFO L858 garLoopResultBuilder]: For program point L9220(line 9220) no Hoare annotation was computed. [2021-11-03 23:50:53,575 INFO L858 garLoopResultBuilder]: For program point L9220-2(line 9220) no Hoare annotation was computed. [2021-11-03 23:50:53,575 INFO L858 garLoopResultBuilder]: For program point L9237(line 9237) no Hoare annotation was computed. [2021-11-03 23:50:53,575 INFO L858 garLoopResultBuilder]: For program point L9237-2(line 9237) no Hoare annotation was computed. [2021-11-03 23:50:53,575 INFO L858 garLoopResultBuilder]: For program point L9221(lines 9221 9223) no Hoare annotation was computed. [2021-11-03 23:50:53,575 INFO L858 garLoopResultBuilder]: For program point L6810(lines 6810 6811) no Hoare annotation was computed. [2021-11-03 23:50:53,575 INFO L858 garLoopResultBuilder]: For program point L6810-3(lines 6810 6811) no Hoare annotation was computed. [2021-11-03 23:50:53,575 INFO L858 garLoopResultBuilder]: For program point L6810-2(lines 6810 6811) no Hoare annotation was computed. [2021-11-03 23:50:53,575 INFO L858 garLoopResultBuilder]: For program point L6810-5(lines 6810 6811) no Hoare annotation was computed. [2021-11-03 23:50:53,575 INFO L858 garLoopResultBuilder]: For program point L9553-1(lines 9537 9559) no Hoare annotation was computed. [2021-11-03 23:50:53,575 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 224) no Hoare annotation was computed. [2021-11-03 23:50:53,575 INFO L858 garLoopResultBuilder]: For program point L222-1(lines 222 224) no Hoare annotation was computed. [2021-11-03 23:50:53,575 INFO L858 garLoopResultBuilder]: For program point L9537(lines 9537 9559) no Hoare annotation was computed. [2021-11-03 23:50:53,575 INFO L858 garLoopResultBuilder]: For program point L222-2(lines 7101 7111) no Hoare annotation was computed. [2021-11-03 23:50:53,575 INFO L858 garLoopResultBuilder]: For program point L222-3(lines 222 224) no Hoare annotation was computed. [2021-11-03 23:50:53,575 INFO L858 garLoopResultBuilder]: For program point L222-4(lines 222 224) no Hoare annotation was computed. [2021-11-03 23:50:53,576 INFO L858 garLoopResultBuilder]: For program point L222-5(lines 222 224) no Hoare annotation was computed. [2021-11-03 23:50:53,576 INFO L858 garLoopResultBuilder]: For program point L9538(lines 9538 9539) no Hoare annotation was computed. [2021-11-03 23:50:53,576 INFO L858 garLoopResultBuilder]: For program point L9224(lines 9224 9228) no Hoare annotation was computed. [2021-11-03 23:50:53,576 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-03 23:50:53,576 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-03 23:50:53,576 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-03 23:50:53,576 INFO L858 garLoopResultBuilder]: For program point L9538-2(lines 9538 9539) no Hoare annotation was computed. [2021-11-03 23:50:53,576 INFO L858 garLoopResultBuilder]: For program point L223-3(line 223) no Hoare annotation was computed. [2021-11-03 23:50:53,576 INFO L858 garLoopResultBuilder]: For program point L223-4(line 223) no Hoare annotation was computed. [2021-11-03 23:50:53,576 INFO L858 garLoopResultBuilder]: For program point L223-6(line 223) no Hoare annotation was computed. [2021-11-03 23:50:53,576 INFO L858 garLoopResultBuilder]: For program point L223-7(line 223) no Hoare annotation was computed. [2021-11-03 23:50:53,576 INFO L858 garLoopResultBuilder]: For program point L223-9(line 223) no Hoare annotation was computed. [2021-11-03 23:50:53,576 INFO L858 garLoopResultBuilder]: For program point L223-10(line 223) no Hoare annotation was computed. [2021-11-03 23:50:53,576 INFO L858 garLoopResultBuilder]: For program point L223-12(line 223) no Hoare annotation was computed. [2021-11-03 23:50:53,576 INFO L858 garLoopResultBuilder]: For program point L223-13(line 223) no Hoare annotation was computed. [2021-11-03 23:50:53,576 INFO L858 garLoopResultBuilder]: For program point L223-15(line 223) no Hoare annotation was computed. [2021-11-03 23:50:53,576 INFO L858 garLoopResultBuilder]: For program point L223-16(line 223) no Hoare annotation was computed. [2021-11-03 23:50:53,576 INFO L858 garLoopResultBuilder]: For program point L9242(lines 9242 9244) no Hoare annotation was computed. [2021-11-03 23:50:53,576 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-03 23:50:53,577 INFO L854 garLoopResultBuilder]: At program point L6815-1(lines 6806 6816) the Hoare annotation is: false [2021-11-03 23:50:53,577 INFO L854 garLoopResultBuilder]: At program point L6815(lines 6806 6816) the Hoare annotation is: false [2021-11-03 23:50:53,577 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-03 23:50:53,577 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-03 23:50:53,577 INFO L858 garLoopResultBuilder]: For program point L210(lines 210 212) no Hoare annotation was computed. [2021-11-03 23:50:53,577 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2021-11-03 23:50:53,577 INFO L858 garLoopResultBuilder]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2021-11-03 23:50:53,577 INFO L858 garLoopResultBuilder]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2021-11-03 23:50:53,577 INFO L858 garLoopResultBuilder]: For program point L210-4(lines 210 212) no Hoare annotation was computed. [2021-11-03 23:50:53,577 INFO L858 garLoopResultBuilder]: For program point L210-5(lines 210 212) no Hoare annotation was computed. [2021-11-03 23:50:53,577 INFO L858 garLoopResultBuilder]: For program point L210-6(lines 210 212) no Hoare annotation was computed. [2021-11-03 23:50:53,577 INFO L858 garLoopResultBuilder]: For program point L210-7(lines 210 212) no Hoare annotation was computed. [2021-11-03 23:50:53,577 INFO L858 garLoopResultBuilder]: For program point L210-8(lines 210 212) no Hoare annotation was computed. [2021-11-03 23:50:53,577 INFO L858 garLoopResultBuilder]: For program point L9542-1(lines 9542 9543) no Hoare annotation was computed. [2021-11-03 23:50:53,577 INFO L858 garLoopResultBuilder]: For program point L9542-3(lines 9542 9543) no Hoare annotation was computed. [2021-11-03 23:50:53,577 INFO L858 garLoopResultBuilder]: For program point L9542(lines 9542 9544) no Hoare annotation was computed. [2021-11-03 23:50:53,577 INFO L858 garLoopResultBuilder]: For program point L9245(lines 9245 9247) no Hoare annotation was computed. [2021-11-03 23:50:53,577 INFO L858 garLoopResultBuilder]: For program point L9542-5(lines 9542 9544) no Hoare annotation was computed. [2021-11-03 23:50:53,578 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-03 23:50:53,578 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-03 23:50:53,578 INFO L858 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-11-03 23:50:53,578 INFO L858 garLoopResultBuilder]: For program point L9229(lines 9229 9233) no Hoare annotation was computed. [2021-11-03 23:50:53,578 INFO L858 garLoopResultBuilder]: For program point L6256-2(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,578 INFO L858 garLoopResultBuilder]: For program point L211-4(line 211) no Hoare annotation was computed. [2021-11-03 23:50:53,578 INFO L858 garLoopResultBuilder]: For program point L6256(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,578 INFO L858 garLoopResultBuilder]: For program point L211-6(line 211) no Hoare annotation was computed. [2021-11-03 23:50:53,578 INFO L858 garLoopResultBuilder]: For program point L6256-5(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,578 INFO L854 garLoopResultBuilder]: At program point L6256-6(lines 6252 6257) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_compare_harness_~str_a~1.offset |ULTIMATE.start_aws_string_compare_harness_#t~ite1554.offset|) (= ULTIMATE.start_aws_string_compare_harness_~str_b~1.offset 0) (= ULTIMATE.start_aws_string_compare_~a.offset ULTIMATE.start_aws_string_compare_~b.offset) (= 0 ULTIMATE.start_aws_string_compare_harness_~str_a~1.base) (= ULTIMATE.start_aws_string_compare_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_compare_~a.base ULTIMATE.start_aws_string_compare_~b.base) (= |ULTIMATE.start_aws_string_compare_harness_#t~ite1554.base| ULTIMATE.start_aws_string_compare_harness_~str_a~1.base) (= ULTIMATE.start_aws_string_compare_harness_~str_b~1.base 0)) [2021-11-03 23:50:53,578 INFO L858 garLoopResultBuilder]: For program point L6256-3(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,578 INFO L858 garLoopResultBuilder]: For program point L211-8(line 211) no Hoare annotation was computed. [2021-11-03 23:50:53,578 INFO L858 garLoopResultBuilder]: For program point L6256-9(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,578 INFO L858 garLoopResultBuilder]: For program point L211-10(line 211) no Hoare annotation was computed. [2021-11-03 23:50:53,578 INFO L858 garLoopResultBuilder]: For program point L6256-10(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,578 INFO L858 garLoopResultBuilder]: For program point L6256-7(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,579 INFO L858 garLoopResultBuilder]: For program point L211-12(line 211) no Hoare annotation was computed. [2021-11-03 23:50:53,579 INFO L861 garLoopResultBuilder]: At program point L261(line 261) the Hoare annotation is: true [2021-11-03 23:50:53,579 INFO L854 garLoopResultBuilder]: At program point L6256-13(lines 6252 6257) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_compare_harness_~str_a~1.offset |ULTIMATE.start_aws_string_compare_harness_#t~ite1554.offset|) (= ULTIMATE.start_aws_string_compare_harness_~str_b~1.offset 0) (= ULTIMATE.start_aws_string_compare_~a.offset ULTIMATE.start_aws_string_compare_~b.offset) (not |ULTIMATE.start_aws_string_compare_#t~short1463|) (= 0 ULTIMATE.start_aws_string_compare_harness_~str_a~1.base) (= ULTIMATE.start_aws_string_compare_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_compare_~a.base ULTIMATE.start_aws_string_compare_~b.base) (= |ULTIMATE.start_aws_string_compare_harness_#t~ite1554.base| ULTIMATE.start_aws_string_compare_harness_~str_a~1.base) (= ULTIMATE.start_aws_string_compare_harness_~str_b~1.base 0)) [2021-11-03 23:50:53,579 INFO L858 garLoopResultBuilder]: For program point L211-14(line 211) no Hoare annotation was computed. [2021-11-03 23:50:53,579 INFO L854 garLoopResultBuilder]: At program point L261-1(line 261) the Hoare annotation is: false [2021-11-03 23:50:53,579 INFO L858 garLoopResultBuilder]: For program point L6256-14(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,579 INFO L854 garLoopResultBuilder]: At program point L261-2(line 261) the Hoare annotation is: (and (= 0 ULTIMATE.start_aws_string_compare_harness_~str_a~1.base) (= ULTIMATE.start_aws_string_compare_harness_~str_a~1.offset 0)) [2021-11-03 23:50:53,579 INFO L858 garLoopResultBuilder]: For program point L211-16(line 211) no Hoare annotation was computed. [2021-11-03 23:50:53,579 INFO L854 garLoopResultBuilder]: At program point L261-3(line 261) the Hoare annotation is: (and (= 0 ULTIMATE.start_aws_string_compare_harness_~str_a~1.base) (= ULTIMATE.start_aws_string_compare_harness_~str_a~1.offset 0)) [2021-11-03 23:50:53,579 INFO L858 garLoopResultBuilder]: For program point L6256-12(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,579 INFO L854 garLoopResultBuilder]: At program point L261-4(line 261) the Hoare annotation is: false [2021-11-03 23:50:53,579 INFO L858 garLoopResultBuilder]: For program point L6256-17(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,579 INFO L854 garLoopResultBuilder]: At program point L261-5(line 261) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_compare_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_compare_harness_~str_b~1.base ULTIMATE.start_aws_string_compare_harness_~str_a~1.base) (= ULTIMATE.start_aws_string_compare_harness_~str_b~1.offset ULTIMATE.start_aws_string_compare_harness_~str_a~1.offset) (= ULTIMATE.start_aws_string_compare_harness_~str_b~1.base 0)) [2021-11-03 23:50:53,579 INFO L858 garLoopResultBuilder]: For program point L6256-16(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,579 INFO L858 garLoopResultBuilder]: For program point L6256-21(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,579 INFO L858 garLoopResultBuilder]: For program point L7099(lines 7099 7112) no Hoare annotation was computed. [2021-11-03 23:50:53,579 INFO L858 garLoopResultBuilder]: For program point L6256-19(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,579 INFO L854 garLoopResultBuilder]: At program point L6256-20(lines 6252 6257) the Hoare annotation is: false [2021-11-03 23:50:53,580 INFO L858 garLoopResultBuilder]: For program point L6256-26(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,580 INFO L858 garLoopResultBuilder]: For program point L6256-23(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,580 INFO L858 garLoopResultBuilder]: For program point L6256-24(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,580 INFO L858 garLoopResultBuilder]: For program point L6256-30(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,580 INFO L861 garLoopResultBuilder]: At program point L9560(line 9560) the Hoare annotation is: true [2021-11-03 23:50:53,580 INFO L854 garLoopResultBuilder]: At program point L6256-27(lines 6252 6257) the Hoare annotation is: false [2021-11-03 23:50:53,580 INFO L858 garLoopResultBuilder]: For program point L6256-28(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,580 INFO L858 garLoopResultBuilder]: For program point L6256-33(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,580 INFO L854 garLoopResultBuilder]: At program point L6256-34(lines 6252 6257) the Hoare annotation is: false [2021-11-03 23:50:53,580 INFO L858 garLoopResultBuilder]: For program point L6256-31(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,580 INFO L858 garLoopResultBuilder]: For program point L6256-37(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,580 INFO L858 garLoopResultBuilder]: For program point L6256-38(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,580 INFO L858 garLoopResultBuilder]: For program point L6256-35(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,580 INFO L854 garLoopResultBuilder]: At program point L6256-41(lines 6252 6257) the Hoare annotation is: false [2021-11-03 23:50:53,580 INFO L858 garLoopResultBuilder]: For program point L6256-42(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,580 INFO L858 garLoopResultBuilder]: For program point L6256-40(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,580 INFO L858 garLoopResultBuilder]: For program point L6256-45(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,580 INFO L858 garLoopResultBuilder]: For program point L6256-44(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,580 INFO L858 garLoopResultBuilder]: For program point L6256-49(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,580 INFO L858 garLoopResultBuilder]: For program point L6256-47(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,581 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-03 23:50:53,581 INFO L854 garLoopResultBuilder]: At program point L6256-48(lines 6252 6257) the Hoare annotation is: false [2021-11-03 23:50:53,581 INFO L858 garLoopResultBuilder]: For program point L6256-54(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,581 INFO L858 garLoopResultBuilder]: For program point L6256-51(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,581 INFO L858 garLoopResultBuilder]: For program point L6256-52(line 6256) no Hoare annotation was computed. [2021-11-03 23:50:53,581 INFO L854 garLoopResultBuilder]: At program point L6256-55(lines 6252 6257) the Hoare annotation is: false [2021-11-03 23:50:53,581 INFO L854 garLoopResultBuilder]: At program point L6803-1(lines 6800 6804) the Hoare annotation is: false [2021-11-03 23:50:53,581 INFO L854 garLoopResultBuilder]: At program point L6803(lines 6800 6804) the Hoare annotation is: false [2021-11-03 23:50:53,581 INFO L854 garLoopResultBuilder]: At program point L6886(lines 6882 6887) the Hoare annotation is: false [2021-11-03 23:50:53,581 INFO L854 garLoopResultBuilder]: At program point L6886-1(lines 6882 6887) the Hoare annotation is: false [2021-11-03 23:50:53,581 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-03 23:50:53,581 INFO L858 garLoopResultBuilder]: For program point L9248(lines 9248 9250) no Hoare annotation was computed. [2021-11-03 23:50:53,581 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-03 23:50:53,581 INFO L858 garLoopResultBuilder]: For program point L9548(line 9548) no Hoare annotation was computed. [2021-11-03 23:50:53,581 INFO L858 garLoopResultBuilder]: For program point L9548-2(line 9548) no Hoare annotation was computed. [2021-11-03 23:50:53,581 INFO L854 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: (= 16 ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size) [2021-11-03 23:50:53,581 INFO L854 garLoopResultBuilder]: At program point L266-1(line 266) the Hoare annotation is: (and (= 16 ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size) (= 0 ULTIMATE.start_aws_string_compare_harness_~str_a~1.base) (= ULTIMATE.start_aws_string_compare_harness_~str_a~1.offset 0)) [2021-11-03 23:50:53,581 INFO L854 garLoopResultBuilder]: At program point L266-2(line 266) the Hoare annotation is: false [2021-11-03 23:50:53,582 INFO L854 garLoopResultBuilder]: At program point L9251(lines 9218 9252) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_compare_harness_~str_b~1.offset 0) (= 0 ULTIMATE.start_aws_string_compare_harness_~str_a~1.base) (= ULTIMATE.start_aws_string_compare_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_compare_harness_~str_b~1.base 0)) [2021-11-03 23:50:53,582 INFO L858 garLoopResultBuilder]: For program point L9548-3(lines 9548 9552) no Hoare annotation was computed. [2021-11-03 23:50:53,582 INFO L858 garLoopResultBuilder]: For program point L9548-4(lines 9537 9559) no Hoare annotation was computed. [2021-11-03 23:50:53,582 INFO L854 garLoopResultBuilder]: At program point L6245(lines 6242 6246) the Hoare annotation is: false [2021-11-03 23:50:53,582 INFO L854 garLoopResultBuilder]: At program point L6245-1(lines 6242 6246) the Hoare annotation is: false [2021-11-03 23:50:53,588 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 23:50:53,589 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-03 23:50:53,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 11:50:53 BoogieIcfgContainer [2021-11-03 23:50:53,622 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 23:50:53,622 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 23:50:53,623 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 23:50:53,623 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 23:50:53,623 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 11:48:34" (3/4) ... [2021-11-03 23:50:53,625 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-03 23:50:53,649 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 141 nodes and edges [2021-11-03 23:50:53,650 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2021-11-03 23:50:53,651 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-11-03 23:50:53,652 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-03 23:50:53,653 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-03 23:50:53,654 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-03 23:50:53,655 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-03 23:50:53,656 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-03 23:50:54,218 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-11-03 23:50:54,218 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 23:50:54,219 INFO L158 Benchmark]: Toolchain (without parser) took 146196.21ms. Allocated memory was 144.7MB in the beginning and 478.2MB in the end (delta: 333.4MB). Free memory was 102.6MB in the beginning and 346.8MB in the end (delta: -244.1MB). Peak memory consumption was 326.0MB. Max. memory is 16.1GB. [2021-11-03 23:50:54,219 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 81.8MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 38.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-03 23:50:54,219 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1983.38ms. Allocated memory was 144.7MB in the beginning and 274.7MB in the end (delta: 130.0MB). Free memory was 102.6MB in the beginning and 220.7MB in the end (delta: -118.1MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. [2021-11-03 23:50:54,219 INFO L158 Benchmark]: Boogie Procedure Inliner took 182.80ms. Allocated memory is still 274.7MB. Free memory was 220.7MB in the beginning and 208.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-03 23:50:54,219 INFO L158 Benchmark]: Boogie Preprocessor took 105.64ms. Allocated memory is still 274.7MB. Free memory was 208.1MB in the beginning and 199.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-03 23:50:54,220 INFO L158 Benchmark]: RCFGBuilder took 4655.24ms. Allocated memory was 274.7MB in the beginning and 398.5MB in the end (delta: 123.7MB). Free memory was 199.8MB in the beginning and 228.5MB in the end (delta: -28.8MB). Peak memory consumption was 231.5MB. Max. memory is 16.1GB. [2021-11-03 23:50:54,220 INFO L158 Benchmark]: TraceAbstraction took 138654.55ms. Allocated memory was 398.5MB in the beginning and 478.2MB in the end (delta: 79.7MB). Free memory was 228.5MB in the beginning and 332.4MB in the end (delta: -103.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-03 23:50:54,220 INFO L158 Benchmark]: Witness Printer took 595.66ms. Allocated memory is still 478.2MB. Free memory was 332.4MB in the beginning and 346.8MB in the end (delta: -14.4MB). Peak memory consumption was 223.7MB. Max. memory is 16.1GB. [2021-11-03 23:50:54,221 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 81.8MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 38.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1983.38ms. Allocated memory was 144.7MB in the beginning and 274.7MB in the end (delta: 130.0MB). Free memory was 102.6MB in the beginning and 220.7MB in the end (delta: -118.1MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 182.80ms. Allocated memory is still 274.7MB. Free memory was 220.7MB in the beginning and 208.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.64ms. Allocated memory is still 274.7MB. Free memory was 208.1MB in the beginning and 199.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4655.24ms. Allocated memory was 274.7MB in the beginning and 398.5MB in the end (delta: 123.7MB). Free memory was 199.8MB in the beginning and 228.5MB in the end (delta: -28.8MB). Peak memory consumption was 231.5MB. Max. memory is 16.1GB. * TraceAbstraction took 138654.55ms. Allocated memory was 398.5MB in the beginning and 478.2MB in the end (delta: 79.7MB). Free memory was 228.5MB in the beginning and 332.4MB in the end (delta: -103.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 595.66ms. Allocated memory is still 478.2MB. Free memory was 332.4MB in the beginning and 346.8MB in the end (delta: -14.4MB). Peak memory consumption was 223.7MB. 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 138584.15ms, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 16.01ms, AutomataDifference: 133309.06ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 407.73ms, InitialAbstractionConstructionTime: 7.81ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 21 mSolverCounterUnknown, 2438 SdHoareTripleChecker+Valid, 129226.79ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2438 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 108221.02ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5697 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7673 IncrementalHoareTripleChecker+Invalid, 7731 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 0 mSDtfsCounter, 7673 mSolverCounterSat, 121.23ms SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 99 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 4999.14ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=391occurred in iteration=5, InterpolantAutomatonStates: 77, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 104.98ms AutomataMinimizationTime, 8 MinimizatonAttempts, 201 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 40 NumberOfFragments, 126 HoareAnnotationTreeSize, 29 FomulaSimplifications, 83 FormulaSimplificationTreeSizeReduction, 28.29ms HoareSimplificationTime, 29 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 367.94ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 108.71ms SsaConstructionTime, 988.52ms SatisfiabilityAnalysisTime, 3380.90ms InterpolantComputationTime, 307 NumberOfCodeBlocks, 307 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 299 ConstructedInterpolants, 0 QuantifiedInterpolants, 900 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: (((((((str_a == nondet_parameter ? str_b : str_a && str_b == 0) && a == b) && !aux-!b || aws_string_is_valid(b)-aux) && 0 == str_a) && str_a == 0) && a == b) && nondet_parameter ? str_b : str_a == str_a) && str_b == 0 - InvariantResult [Line: 6882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: ((str_a == 0 && str_b == str_a) && str_b == str_a) && str_b == 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 16 == max_size - InvariantResult [Line: 6889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 == str_a && str_a == 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9218]: Loop Invariant Derived loop invariant: ((str_b == 0 && 0 == str_a) && str_a == 0) && str_b == 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: ((((((str_a == nondet_parameter ? str_b : str_a && str_b == 0) && a == b) && 0 == str_a) && str_a == 0) && a == b) && nondet_parameter ? str_b : str_a == str_a) && str_b == 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (16 == max_size && 0 == str_a) && str_a == 0 - InvariantResult [Line: 6242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 == str_a && str_a == 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9560]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-03 23:50:54,319 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