./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version bfd0d9ac Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_string_eq_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 8b61e347701f0c89420e753e852eb314cc29dd4fd4a4715a05b300c448d0ac03 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-bfd0d9a [2021-11-01 11:05:14,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-01 11:05:14,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-01 11:05:14,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-01 11:05:14,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-01 11:05:14,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-01 11:05:14,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-01 11:05:14,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-01 11:05:14,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-01 11:05:14,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-01 11:05:14,618 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-01 11:05:14,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-01 11:05:14,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-01 11:05:14,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-01 11:05:14,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-01 11:05:14,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-01 11:05:14,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-01 11:05:14,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-01 11:05:14,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-01 11:05:14,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-01 11:05:14,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-01 11:05:14,634 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-01 11:05:14,635 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-01 11:05:14,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-01 11:05:14,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-01 11:05:14,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-01 11:05:14,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-01 11:05:14,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-01 11:05:14,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-01 11:05:14,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-01 11:05:14,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-01 11:05:14,645 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-01 11:05:14,646 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-01 11:05:14,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-01 11:05:14,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-01 11:05:14,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-01 11:05:14,648 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-01 11:05:14,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-01 11:05:14,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-01 11:05:14,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-01 11:05:14,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-01 11:05:14,651 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-01 11:05:14,676 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-01 11:05:14,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-01 11:05:14,677 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-01 11:05:14,677 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-01 11:05:14,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-01 11:05:14,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-01 11:05:14,678 INFO L138 SettingsManager]: * Use SBE=true [2021-11-01 11:05:14,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-01 11:05:14,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-01 11:05:14,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-01 11:05:14,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-01 11:05:14,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-01 11:05:14,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-01 11:05:14,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-01 11:05:14,680 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-01 11:05:14,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-01 11:05:14,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-01 11:05:14,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-01 11:05:14,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-01 11:05:14,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-01 11:05:14,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-01 11:05:14,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-01 11:05:14,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-01 11:05:14,681 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-01 11:05:14,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-01 11:05:14,682 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-01 11:05:14,682 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-01 11:05:14,682 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-01 11:05:14,682 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-01 11:05:14,682 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b61e347701f0c89420e753e852eb314cc29dd4fd4a4715a05b300c448d0ac03 [2021-11-01 11:05:14,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-01 11:05:14,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-01 11:05:14,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-01 11:05:14,906 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-01 11:05:14,907 INFO L275 PluginConnector]: CDTParser initialized [2021-11-01 11:05:14,908 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i [2021-11-01 11:05:14,971 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef1cc2617/1b7cc29320d44080a1364776f76d0eb1/FLAG7cc8d56b1 [2021-11-01 11:05:15,522 INFO L306 CDTParser]: Found 1 translation units. [2021-11-01 11:05:15,522 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i [2021-11-01 11:05:15,556 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef1cc2617/1b7cc29320d44080a1364776f76d0eb1/FLAG7cc8d56b1 [2021-11-01 11:05:15,942 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef1cc2617/1b7cc29320d44080a1364776f76d0eb1 [2021-11-01 11:05:15,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-01 11:05:15,945 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-01 11:05:15,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-01 11:05:15,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-01 11:05:15,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-01 11:05:15,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 11:05:15" (1/1) ... [2021-11-01 11:05:15,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fb0eefa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:05:15, skipping insertion in model container [2021-11-01 11:05:15,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 11:05:15" (1/1) ... [2021-11-01 11:05:15,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-01 11:05:16,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-01 11:05:16,215 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i[4487,4500] [2021-11-01 11:05:16,221 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i[4547,4560] [2021-11-01 11:05:16,239 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-01 11:05:16,245 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-01 11:05:16,737 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:05:16,738 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:05:16,738 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:05:16,739 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:05:16,740 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:05:16,754 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:05:16,756 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:05:16,758 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:05:16,758 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:05:16,967 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-01 11:05:16,968 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-01 11:05:16,969 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-01 11:05:16,970 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-01 11:05:16,972 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-01 11:05:16,973 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-01 11:05:16,974 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-01 11:05:16,974 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-01 11:05:16,975 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-01 11:05:16,975 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-01 11:05:17,046 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-01 11:05:17,127 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:05:17,135 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:05:17,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-01 11:05:17,196 INFO L203 MainTranslator]: Completed pre-run [2021-11-01 11:05:17,219 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i[4487,4500] [2021-11-01 11:05:17,220 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i[4547,4560] [2021-11-01 11:05:17,221 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-01 11:05:17,222 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-01 11:05:17,238 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:05:17,242 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:05:17,242 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:05:17,242 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:05:17,243 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:05:17,246 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:05:17,246 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:05:17,247 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:05:17,248 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:05:17,266 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-01 11:05:17,267 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-01 11:05:17,268 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-01 11:05:17,268 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-01 11:05:17,269 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-01 11:05:17,269 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-01 11:05:17,269 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-01 11:05:17,270 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-01 11:05:17,270 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-01 11:05:17,270 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-01 11:05:17,283 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-01 11:05:17,334 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:05:17,335 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:05:17,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-01 11:05:17,518 INFO L208 MainTranslator]: Completed translation [2021-11-01 11:05:17,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:05:17 WrapperNode [2021-11-01 11:05:17,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-01 11:05:17,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-01 11:05:17,520 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-01 11:05:17,520 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-01 11:05:17,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:05:17" (1/1) ... [2021-11-01 11:05:17,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:05:17" (1/1) ... [2021-11-01 11:05:17,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-01 11:05:17,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-01 11:05:17,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-01 11:05:17,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-01 11:05:17,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:05:17" (1/1) ... [2021-11-01 11:05:17,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:05:17" (1/1) ... [2021-11-01 11:05:17,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:05:17" (1/1) ... [2021-11-01 11:05:17,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:05:17" (1/1) ... [2021-11-01 11:05:17,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:05:17" (1/1) ... [2021-11-01 11:05:17,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:05:17" (1/1) ... [2021-11-01 11:05:17,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:05:17" (1/1) ... [2021-11-01 11:05:17,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-01 11:05:17,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-01 11:05:17,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-01 11:05:17,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-01 11:05:17,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:05:17" (1/1) ... [2021-11-01 11:05:17,777 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-01 11:05:17,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-01 11:05:17,799 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) [2021-11-01 11:05:17,817 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 [2021-11-01 11:05:17,852 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-01 11:05:17,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-01 11:05:17,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-01 11:05:17,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-01 11:05:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-01 11:05:17,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-01 11:05:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-01 11:05:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-01 11:05:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-01 11:05:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-01 11:05:18,364 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-01 11:05:18,364 INFO L299 CfgBuilder]: Removed 78 assume(true) statements. [2021-11-01 11:05:18,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 11:05:18 BoogieIcfgContainer [2021-11-01 11:05:18,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-01 11:05:18,368 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-01 11:05:18,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-01 11:05:18,370 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-01 11:05:18,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 11:05:15" (1/3) ... [2021-11-01 11:05:18,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16fabca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 11:05:18, skipping insertion in model container [2021-11-01 11:05:18,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:05:17" (2/3) ... [2021-11-01 11:05:18,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16fabca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 11:05:18, skipping insertion in model container [2021-11-01 11:05:18,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 11:05:18" (3/3) ... [2021-11-01 11:05:18,373 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_eq_harness.i [2021-11-01 11:05:18,376 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-01 11:05:18,376 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-11-01 11:05:18,412 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-01 11:05:18,416 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 [2021-11-01 11:05:18,416 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-01 11:05:18,440 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 92 states have (on average 1.423913043478261) internal successors, (131), 97 states have internal predecessors, (131), 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) [2021-11-01 11:05:18,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-01 11:05:18,446 INFO L506 BasicCegarLoop]: Found error trace [2021-11-01 11:05:18,447 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] [2021-11-01 11:05:18,447 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-01 11:05:18,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-01 11:05:18,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1662175227, now seen corresponding path program 1 times [2021-11-01 11:05:18,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-01 11:05:18,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910277976] [2021-11-01 11:05:18,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 11:05:18,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-01 11:05:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 11:05:18,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-01 11:05:18,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-01 11:05:18,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910277976] [2021-11-01 11:05:18,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910277976] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-01 11:05:18,771 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-01 11:05:18,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-01 11:05:18,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699727371] [2021-11-01 11:05:18,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-01 11:05:18,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-01 11:05:18,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-01 11:05:18,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-01 11:05:18,803 INFO L87 Difference]: Start difference. First operand has 98 states, 92 states have (on average 1.423913043478261) internal successors, (131), 97 states have internal predecessors, (131), 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 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2021-11-01 11:05:19,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-01 11:05:19,014 INFO L93 Difference]: Finished difference Result 190 states and 254 transitions. [2021-11-01 11:05:19,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-01 11:05:19,016 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 21 [2021-11-01 11:05:19,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-01 11:05:19,022 INFO L225 Difference]: With dead ends: 190 [2021-11-01 11:05:19,022 INFO L226 Difference]: Without dead ends: 93 [2021-11-01 11:05:19,024 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 [2021-11-01 11:05:19,027 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 128.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.03ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 178.37ms IncrementalHoareTripleChecker+Time [2021-11-01 11:05:19,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 117 Unknown, 0 Unchecked, 1.03ms Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 178.37ms Time] [2021-11-01 11:05:19,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-11-01 11:05:19,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2021-11-01 11:05:19,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 88 states have (on average 1.2613636363636365) internal successors, (111), 92 states have internal predecessors, (111), 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) [2021-11-01 11:05:19,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 111 transitions. [2021-11-01 11:05:19,082 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 111 transitions. Word has length 21 [2021-11-01 11:05:19,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-01 11:05:19,083 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 111 transitions. [2021-11-01 11:05:19,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2021-11-01 11:05:19,084 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 111 transitions. [2021-11-01 11:05:19,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-01 11:05:19,087 INFO L506 BasicCegarLoop]: Found error trace [2021-11-01 11:05:19,087 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] [2021-11-01 11:05:19,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-01 11:05:19,088 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-01 11:05:19,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-01 11:05:19,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1931727491, now seen corresponding path program 1 times [2021-11-01 11:05:19,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-01 11:05:19,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453835037] [2021-11-01 11:05:19,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 11:05:19,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-01 11:05:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 11:05:19,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-01 11:05:19,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-01 11:05:19,247 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453835037] [2021-11-01 11:05:19,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453835037] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-01 11:05:19,248 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-01 11:05:19,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-01 11:05:19,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320149405] [2021-11-01 11:05:19,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-01 11:05:19,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-01 11:05:19,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-01 11:05:19,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-01 11:05:19,250 INFO L87 Difference]: Start difference. First operand 93 states and 111 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2021-11-01 11:05:19,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-01 11:05:19,631 INFO L93 Difference]: Finished difference Result 170 states and 204 transitions. [2021-11-01 11:05:19,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-01 11:05:19,631 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 21 [2021-11-01 11:05:19,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-01 11:05:19,634 INFO L225 Difference]: With dead ends: 170 [2021-11-01 11:05:19,634 INFO L226 Difference]: Without dead ends: 93 [2021-11-01 11:05:19,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.16ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-01 11:05:19,639 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 41 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 259.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.19ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 347.37ms IncrementalHoareTripleChecker+Time [2021-11-01 11:05:19,640 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 0 Invalid, 332 Unknown, 0 Unchecked, 4.19ms Time], IncrementalHoareTripleChecker [0 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 347.37ms Time] [2021-11-01 11:05:19,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-11-01 11:05:19,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2021-11-01 11:05:19,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 88 states have (on average 1.25) internal successors, (110), 92 states have internal predecessors, (110), 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) [2021-11-01 11:05:19,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 110 transitions. [2021-11-01 11:05:19,652 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 110 transitions. Word has length 21 [2021-11-01 11:05:19,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-01 11:05:19,653 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 110 transitions. [2021-11-01 11:05:19,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2021-11-01 11:05:19,654 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2021-11-01 11:05:19,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-01 11:05:19,655 INFO L506 BasicCegarLoop]: Found error trace [2021-11-01 11:05:19,655 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] [2021-11-01 11:05:19,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-01 11:05:19,656 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-01 11:05:19,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-01 11:05:19,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1416092519, now seen corresponding path program 1 times [2021-11-01 11:05:19,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-01 11:05:19,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616290227] [2021-11-01 11:05:19,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 11:05:19,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-01 11:05:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 11:05:19,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-01 11:05:19,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-01 11:05:19,773 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616290227] [2021-11-01 11:05:19,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616290227] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-01 11:05:19,773 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-01 11:05:19,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-01 11:05:19,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620152759] [2021-11-01 11:05:19,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-01 11:05:19,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-01 11:05:19,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-01 11:05:19,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-01 11:05:19,775 INFO L87 Difference]: Start difference. First operand 93 states and 110 transitions. Second operand has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 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) [2021-11-01 11:05:20,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-01 11:05:20,128 INFO L93 Difference]: Finished difference Result 148 states and 176 transitions. [2021-11-01 11:05:20,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-01 11:05:20,130 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 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 32 [2021-11-01 11:05:20,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-01 11:05:20,131 INFO L225 Difference]: With dead ends: 148 [2021-11-01 11:05:20,131 INFO L226 Difference]: Without dead ends: 93 [2021-11-01 11:05:20,131 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 97.59ms TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2021-11-01 11:05:20,132 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 447 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 200.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.87ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 251.89ms IncrementalHoareTripleChecker+Time [2021-11-01 11:05:20,132 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [447 Valid, 0 Invalid, 414 Unknown, 0 Unchecked, 3.87ms Time], IncrementalHoareTripleChecker [8 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 251.89ms Time] [2021-11-01 11:05:20,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-11-01 11:05:20,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2021-11-01 11:05:20,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 88 states have (on average 1.2386363636363635) internal successors, (109), 92 states have internal predecessors, (109), 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) [2021-11-01 11:05:20,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 109 transitions. [2021-11-01 11:05:20,138 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 109 transitions. Word has length 32 [2021-11-01 11:05:20,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-01 11:05:20,138 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 109 transitions. [2021-11-01 11:05:20,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 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) [2021-11-01 11:05:20,138 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 109 transitions. [2021-11-01 11:05:20,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-01 11:05:20,139 INFO L506 BasicCegarLoop]: Found error trace [2021-11-01 11:05:20,139 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-01 11:05:20,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-01 11:05:20,139 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-01 11:05:20,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-01 11:05:20,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1445848690, now seen corresponding path program 1 times [2021-11-01 11:05:20,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-01 11:05:20,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026867948] [2021-11-01 11:05:20,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 11:05:20,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-01 11:05:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 11:05:20,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-01 11:05:20,216 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-01 11:05:20,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026867948] [2021-11-01 11:05:20,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026867948] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-01 11:05:20,216 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-01 11:05:20,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-01 11:05:20,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160011518] [2021-11-01 11:05:20,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-01 11:05:20,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-01 11:05:20,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-01 11:05:20,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-01 11:05:20,217 INFO L87 Difference]: Start difference. First operand 93 states and 109 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-01 11:05:20,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-01 11:05:20,429 INFO L93 Difference]: Finished difference Result 166 states and 197 transitions. [2021-11-01 11:05:20,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-01 11:05:20,429 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-01 11:05:20,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-01 11:05:20,430 INFO L225 Difference]: With dead ends: 166 [2021-11-01 11:05:20,430 INFO L226 Difference]: Without dead ends: 109 [2021-11-01 11:05:20,430 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.37ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-01 11:05:20,431 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 9 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 161.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.96ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 197.32ms IncrementalHoareTripleChecker+Time [2021-11-01 11:05:20,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 0 Invalid, 353 Unknown, 0 Unchecked, 0.96ms Time], IncrementalHoareTripleChecker [13 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 197.32ms Time] [2021-11-01 11:05:20,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-11-01 11:05:20,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 101. [2021-11-01 11:05:20,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 96 states have (on average 1.21875) internal successors, (117), 100 states have internal predecessors, (117), 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) [2021-11-01 11:05:20,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2021-11-01 11:05:20,439 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 37 [2021-11-01 11:05:20,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-01 11:05:20,443 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2021-11-01 11:05:20,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-01 11:05:20,446 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2021-11-01 11:05:20,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-01 11:05:20,447 INFO L506 BasicCegarLoop]: Found error trace [2021-11-01 11:05:20,447 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-01 11:05:20,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-01 11:05:20,448 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-01 11:05:20,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-01 11:05:20,449 INFO L85 PathProgramCache]: Analyzing trace with hash 165985012, now seen corresponding path program 1 times [2021-11-01 11:05:20,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-01 11:05:20,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51663533] [2021-11-01 11:05:20,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 11:05:20,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-01 11:05:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 11:05:20,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-01 11:05:20,563 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-01 11:05:20,563 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51663533] [2021-11-01 11:05:20,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51663533] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-01 11:05:20,563 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-01 11:05:20,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-01 11:05:20,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108857900] [2021-11-01 11:05:20,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-01 11:05:20,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-01 11:05:20,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-01 11:05:20,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-01 11:05:20,565 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-01 11:05:20,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-01 11:05:20,916 INFO L93 Difference]: Finished difference Result 151 states and 175 transitions. [2021-11-01 11:05:20,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-01 11:05:20,916 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-01 11:05:20,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-01 11:05:20,917 INFO L225 Difference]: With dead ends: 151 [2021-11-01 11:05:20,917 INFO L226 Difference]: Without dead ends: 101 [2021-11-01 11:05:20,917 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 129.65ms TimeCoverageRelationStatistics Valid=128, Invalid=334, Unknown=0, NotChecked=0, Total=462 [2021-11-01 11:05:20,918 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 503 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 194.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.54ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 242.59ms IncrementalHoareTripleChecker+Time [2021-11-01 11:05:20,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [503 Valid, 0 Invalid, 557 Unknown, 0 Unchecked, 2.54ms Time], IncrementalHoareTripleChecker [14 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 242.59ms Time] [2021-11-01 11:05:20,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-11-01 11:05:20,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-11-01 11:05:20,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 96 states have (on average 1.2083333333333333) internal successors, (116), 100 states have internal predecessors, (116), 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) [2021-11-01 11:05:20,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 116 transitions. [2021-11-01 11:05:20,922 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 116 transitions. Word has length 37 [2021-11-01 11:05:20,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-01 11:05:20,922 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 116 transitions. [2021-11-01 11:05:20,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-01 11:05:20,922 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 116 transitions. [2021-11-01 11:05:20,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-01 11:05:20,923 INFO L506 BasicCegarLoop]: Found error trace [2021-11-01 11:05:20,923 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] [2021-11-01 11:05:20,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-01 11:05:20,923 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-01 11:05:20,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-01 11:05:20,924 INFO L85 PathProgramCache]: Analyzing trace with hash 2118126403, now seen corresponding path program 1 times [2021-11-01 11:05:20,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-01 11:05:20,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700552247] [2021-11-01 11:05:20,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 11:05:20,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-01 11:05:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 11:05:21,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-01 11:05:21,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-01 11:05:21,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700552247] [2021-11-01 11:05:21,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700552247] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-01 11:05:21,023 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-01 11:05:21,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-01 11:05:21,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549771297] [2021-11-01 11:05:21,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-01 11:05:21,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-01 11:05:21,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-01 11:05:21,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-11-01 11:05:21,024 INFO L87 Difference]: Start difference. First operand 101 states and 116 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 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) [2021-11-01 11:05:21,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-01 11:05:21,362 INFO L93 Difference]: Finished difference Result 162 states and 187 transitions. [2021-11-01 11:05:21,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-01 11:05:21,362 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 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 42 [2021-11-01 11:05:21,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-01 11:05:21,363 INFO L225 Difference]: With dead ends: 162 [2021-11-01 11:05:21,363 INFO L226 Difference]: Without dead ends: 97 [2021-11-01 11:05:21,364 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 122.37ms TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2021-11-01 11:05:21,365 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 484 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 184.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.68ms SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 229.17ms IncrementalHoareTripleChecker+Time [2021-11-01 11:05:21,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [484 Valid, 0 Invalid, 459 Unknown, 0 Unchecked, 2.68ms Time], IncrementalHoareTripleChecker [22 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 229.17ms Time] [2021-11-01 11:05:21,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2021-11-01 11:05:21,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2021-11-01 11:05:21,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 92 states have (on average 1.1956521739130435) internal successors, (110), 96 states have internal predecessors, (110), 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) [2021-11-01 11:05:21,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 110 transitions. [2021-11-01 11:05:21,369 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 110 transitions. Word has length 42 [2021-11-01 11:05:21,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-01 11:05:21,369 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 110 transitions. [2021-11-01 11:05:21,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 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) [2021-11-01 11:05:21,370 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2021-11-01 11:05:21,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-01 11:05:21,370 INFO L506 BasicCegarLoop]: Found error trace [2021-11-01 11:05:21,370 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] [2021-11-01 11:05:21,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-01 11:05:21,371 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-01 11:05:21,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-01 11:05:21,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1578047161, now seen corresponding path program 1 times [2021-11-01 11:05:21,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-01 11:05:21,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802971758] [2021-11-01 11:05:21,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 11:05:21,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-01 11:05:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 11:05:21,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-01 11:05:21,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-01 11:05:21,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802971758] [2021-11-01 11:05:21,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802971758] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-01 11:05:21,630 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-01 11:05:21,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-01 11:05:21,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22945959] [2021-11-01 11:05:21,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-01 11:05:21,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-01 11:05:21,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-01 11:05:21,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-01 11:05:21,632 INFO L87 Difference]: Start difference. First operand 97 states and 110 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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) [2021-11-01 11:05:21,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-01 11:05:21,698 INFO L93 Difference]: Finished difference Result 97 states and 110 transitions. [2021-11-01 11:05:21,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-01 11:05:21,698 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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 42 [2021-11-01 11:05:21,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-01 11:05:21,698 INFO L225 Difference]: With dead ends: 97 [2021-11-01 11:05:21,698 INFO L226 Difference]: Without dead ends: 0 [2021-11-01 11:05:21,698 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 48.58ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-11-01 11:05:21,699 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 5 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.14ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.60ms IncrementalHoareTripleChecker+Time [2021-11-01 11:05:21,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 0 Invalid, 25 Unknown, 0 Unchecked, 0.14ms Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 38.60ms Time] [2021-11-01 11:05:21,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-01 11:05:21,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-01 11:05:21,700 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) [2021-11-01 11:05:21,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-01 11:05:21,700 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2021-11-01 11:05:21,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-01 11:05:21,700 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-01 11:05:21,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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) [2021-11-01 11:05:21,700 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-01 11:05:21,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-01 11:05:21,702 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2021-11-01 11:05:21,702 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2021-11-01 11:05:21,702 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2021-11-01 11:05:21,702 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2021-11-01 11:05:21,703 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2021-11-01 11:05:21,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-01 11:05:21,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-01 11:05:21,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 11:05:21,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 11:05:21,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 11:05:21,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 11:05:21,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 11:05:21,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 11:05:21,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 11:05:21,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 11:05:21,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 11:05:21,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 11:05:21,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 11:05:21,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 11:05:21,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 11:05:21,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 11:05:21,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 11:05:21,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 11:05:21,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 11:05:21,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 11:05:21,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 11:05:21,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 11:05:21,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 11:05:21,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 11:05:21,760 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-01 11:05:21,761 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-01 11:05:21,761 INFO L854 garLoopResultBuilder]: At program point L6891-1(lines 6890 6892) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-01 11:05:21,761 INFO L854 garLoopResultBuilder]: At program point L6891(lines 6890 6892) the Hoare annotation is: false [2021-11-01 11:05:21,761 INFO L861 garLoopResultBuilder]: At program point L8923(line 8923) the Hoare annotation is: true [2021-11-01 11:05:21,761 INFO L858 garLoopResultBuilder]: For program point L8032(lines 8032 8036) no Hoare annotation was computed. [2021-11-01 11:05:21,761 INFO L858 garLoopResultBuilder]: For program point L7421(lines 7421 7429) no Hoare annotation was computed. [2021-11-01 11:05:21,761 INFO L858 garLoopResultBuilder]: For program point L6811(lines 6811 6812) no Hoare annotation was computed. [2021-11-01 11:05:21,761 INFO L858 garLoopResultBuilder]: For program point L6811-5(lines 6811 6812) no Hoare annotation was computed. [2021-11-01 11:05:21,761 INFO L858 garLoopResultBuilder]: For program point L6811-3(lines 6811 6812) no Hoare annotation was computed. [2021-11-01 11:05:21,761 INFO L858 garLoopResultBuilder]: For program point L6811-2(lines 6811 6812) no Hoare annotation was computed. [2021-11-01 11:05:21,761 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 224) no Hoare annotation was computed. [2021-11-01 11:05:21,761 INFO L858 garLoopResultBuilder]: For program point L222-1(lines 7102 7112) no Hoare annotation was computed. [2021-11-01 11:05:21,761 INFO L858 garLoopResultBuilder]: For program point L222-2(lines 222 224) no Hoare annotation was computed. [2021-11-01 11:05:21,762 INFO L858 garLoopResultBuilder]: For program point L222-3(lines 222 224) no Hoare annotation was computed. [2021-11-01 11:05:21,762 INFO L858 garLoopResultBuilder]: For program point L222-4(lines 222 224) no Hoare annotation was computed. [2021-11-01 11:05:21,762 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-01 11:05:21,762 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-01 11:05:21,762 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-01 11:05:21,762 INFO L858 garLoopResultBuilder]: For program point L223-3(line 223) no Hoare annotation was computed. [2021-11-01 11:05:21,762 INFO L858 garLoopResultBuilder]: For program point L223-4(line 223) no Hoare annotation was computed. [2021-11-01 11:05:21,762 INFO L858 garLoopResultBuilder]: For program point L223-6(line 223) no Hoare annotation was computed. [2021-11-01 11:05:21,762 INFO L858 garLoopResultBuilder]: For program point L223-7(line 223) no Hoare annotation was computed. [2021-11-01 11:05:21,762 INFO L858 garLoopResultBuilder]: For program point L223-9(line 223) no Hoare annotation was computed. [2021-11-01 11:05:21,762 INFO L858 garLoopResultBuilder]: For program point L223-10(line 223) no Hoare annotation was computed. [2021-11-01 11:05:21,762 INFO L858 garLoopResultBuilder]: For program point L223-12(line 223) no Hoare annotation was computed. [2021-11-01 11:05:21,762 INFO L858 garLoopResultBuilder]: For program point L223-13(line 223) no Hoare annotation was computed. [2021-11-01 11:05:21,762 INFO L858 garLoopResultBuilder]: For program point L8911(lines 8911 8922) no Hoare annotation was computed. [2021-11-01 11:05:21,762 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-01 11:05:21,762 INFO L858 garLoopResultBuilder]: For program point L8912(lines 8912 8913) no Hoare annotation was computed. [2021-11-01 11:05:21,762 INFO L858 garLoopResultBuilder]: For program point L8912-2(lines 8912 8913) no Hoare annotation was computed. [2021-11-01 11:05:21,762 INFO L854 garLoopResultBuilder]: At program point L8038(lines 8019 8039) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-01 11:05:21,763 INFO L854 garLoopResultBuilder]: At program point L6816-1(lines 6807 6817) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-01 11:05:21,763 INFO L854 garLoopResultBuilder]: At program point L6816(lines 6807 6817) the Hoare annotation is: false [2021-11-01 11:05:21,763 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-01 11:05:21,763 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-01 11:05:21,763 INFO L858 garLoopResultBuilder]: For program point L210(lines 210 212) no Hoare annotation was computed. [2021-11-01 11:05:21,763 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2021-11-01 11:05:21,763 INFO L858 garLoopResultBuilder]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2021-11-01 11:05:21,763 INFO L858 garLoopResultBuilder]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2021-11-01 11:05:21,763 INFO L858 garLoopResultBuilder]: For program point L210-4(lines 210 212) no Hoare annotation was computed. [2021-11-01 11:05:21,763 INFO L858 garLoopResultBuilder]: For program point L210-5(lines 210 212) no Hoare annotation was computed. [2021-11-01 11:05:21,763 INFO L858 garLoopResultBuilder]: For program point L210-6(lines 210 212) no Hoare annotation was computed. [2021-11-01 11:05:21,763 INFO L858 garLoopResultBuilder]: For program point L210-7(lines 8026 8030) no Hoare annotation was computed. [2021-11-01 11:05:21,763 INFO L858 garLoopResultBuilder]: For program point L210-8(lines 210 212) no Hoare annotation was computed. [2021-11-01 11:05:21,763 INFO L858 garLoopResultBuilder]: For program point L8915(line 8915) no Hoare annotation was computed. [2021-11-01 11:05:21,764 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-01 11:05:21,764 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-01 11:05:21,764 INFO L858 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-11-01 11:05:21,764 INFO L858 garLoopResultBuilder]: For program point L211-4(line 211) no Hoare annotation was computed. [2021-11-01 11:05:21,764 INFO L858 garLoopResultBuilder]: For program point L211-6(line 211) no Hoare annotation was computed. [2021-11-01 11:05:21,764 INFO L858 garLoopResultBuilder]: For program point L8915-2(line 8915) no Hoare annotation was computed. [2021-11-01 11:05:21,764 INFO L858 garLoopResultBuilder]: For program point L211-8(line 211) no Hoare annotation was computed. [2021-11-01 11:05:21,764 INFO L858 garLoopResultBuilder]: For program point L211-10(line 211) no Hoare annotation was computed. [2021-11-01 11:05:21,764 INFO L858 garLoopResultBuilder]: For program point L211-12(line 211) no Hoare annotation was computed. [2021-11-01 11:05:21,764 INFO L861 garLoopResultBuilder]: At program point L261(line 261) the Hoare annotation is: true [2021-11-01 11:05:21,764 INFO L858 garLoopResultBuilder]: For program point L211-14(line 211) no Hoare annotation was computed. [2021-11-01 11:05:21,764 INFO L854 garLoopResultBuilder]: At program point L261-1(line 261) the Hoare annotation is: false [2021-11-01 11:05:21,764 INFO L854 garLoopResultBuilder]: At program point L261-2(line 261) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-01 11:05:21,764 INFO L858 garLoopResultBuilder]: For program point L211-16(line 211) no Hoare annotation was computed. [2021-11-01 11:05:21,764 INFO L854 garLoopResultBuilder]: At program point L261-3(line 261) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-01 11:05:21,765 INFO L858 garLoopResultBuilder]: For program point L8916(lines 8916 8921) no Hoare annotation was computed. [2021-11-01 11:05:21,765 INFO L858 garLoopResultBuilder]: For program point L6257-2(line 6257) no Hoare annotation was computed. [2021-11-01 11:05:21,766 INFO L858 garLoopResultBuilder]: For program point L6257-3(line 6257) no Hoare annotation was computed. [2021-11-01 11:05:21,766 INFO L858 garLoopResultBuilder]: For program point L6257(line 6257) no Hoare annotation was computed. [2021-11-01 11:05:21,766 INFO L854 garLoopResultBuilder]: At program point L6257-6(lines 6253 6258) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-01 11:05:21,766 INFO L858 garLoopResultBuilder]: For program point L6257-7(line 6257) no Hoare annotation was computed. [2021-11-01 11:05:21,766 INFO L858 garLoopResultBuilder]: For program point L6257-5(line 6257) no Hoare annotation was computed. [2021-11-01 11:05:21,766 INFO L858 garLoopResultBuilder]: For program point L6257-10(line 6257) no Hoare annotation was computed. [2021-11-01 11:05:21,766 INFO L854 garLoopResultBuilder]: At program point L7430(lines 7412 7431) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-01 11:05:21,766 INFO L858 garLoopResultBuilder]: For program point L6257-9(line 6257) no Hoare annotation was computed. [2021-11-01 11:05:21,766 INFO L858 garLoopResultBuilder]: For program point L6257-14(line 6257) no Hoare annotation was computed. [2021-11-01 11:05:21,766 INFO L858 garLoopResultBuilder]: For program point L6257-12(line 6257) no Hoare annotation was computed. [2021-11-01 11:05:21,766 INFO L854 garLoopResultBuilder]: At program point L6257-13(lines 6253 6258) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-01 11:05:21,766 INFO L858 garLoopResultBuilder]: For program point L6257-19(line 6257) no Hoare annotation was computed. [2021-11-01 11:05:21,766 INFO L858 garLoopResultBuilder]: For program point L6257-16(line 6257) no Hoare annotation was computed. [2021-11-01 11:05:21,766 INFO L858 garLoopResultBuilder]: For program point L6257-17(line 6257) no Hoare annotation was computed. [2021-11-01 11:05:21,766 INFO L858 garLoopResultBuilder]: For program point L6257-23(line 6257) no Hoare annotation was computed. [2021-11-01 11:05:21,766 INFO L858 garLoopResultBuilder]: For program point L7100(lines 7100 7113) no Hoare annotation was computed. [2021-11-01 11:05:21,766 INFO L854 garLoopResultBuilder]: At program point L6257-20(lines 6253 6258) the Hoare annotation is: false [2021-11-01 11:05:21,767 INFO L858 garLoopResultBuilder]: For program point L6257-21(line 6257) no Hoare annotation was computed. [2021-11-01 11:05:21,767 INFO L858 garLoopResultBuilder]: For program point L7414(line 7414) no Hoare annotation was computed. [2021-11-01 11:05:21,767 INFO L858 garLoopResultBuilder]: For program point L6257-26(line 6257) no Hoare annotation was computed. [2021-11-01 11:05:21,767 INFO L854 garLoopResultBuilder]: At program point L6257-27(lines 6253 6258) the Hoare annotation is: false [2021-11-01 11:05:21,771 INFO L858 garLoopResultBuilder]: For program point L6257-24(line 6257) no Hoare annotation was computed. [2021-11-01 11:05:21,771 INFO L858 garLoopResultBuilder]: For program point L7414-2(line 7414) no Hoare annotation was computed. [2021-11-01 11:05:21,771 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-01 11:05:21,771 INFO L858 garLoopResultBuilder]: For program point L7415(line 7415) no Hoare annotation was computed. [2021-11-01 11:05:21,771 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-01 11:05:21,771 INFO L854 garLoopResultBuilder]: At program point L6804-1(lines 6801 6805) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-01 11:05:21,771 INFO L854 garLoopResultBuilder]: At program point L6804(lines 6801 6805) the Hoare annotation is: false [2021-11-01 11:05:21,771 INFO L858 garLoopResultBuilder]: For program point L7415-2(line 7415) no Hoare annotation was computed. [2021-11-01 11:05:21,772 INFO L854 garLoopResultBuilder]: At program point L6887-1(lines 6883 6888) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-01 11:05:21,772 INFO L854 garLoopResultBuilder]: At program point L6887(lines 6883 6888) the Hoare annotation is: false [2021-11-01 11:05:21,772 INFO L858 garLoopResultBuilder]: For program point L7416(lines 7416 7420) no Hoare annotation was computed. [2021-11-01 11:05:21,772 INFO L854 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: (= 16 ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size) [2021-11-01 11:05:21,772 INFO L854 garLoopResultBuilder]: At program point L266-1(line 266) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-01 11:05:21,772 INFO L854 garLoopResultBuilder]: At program point L266-2(line 266) the Hoare annotation is: false [2021-11-01 11:05:21,774 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-01 11:05:21,775 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-01 11:05:21,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.11 11:05:21 BoogieIcfgContainer [2021-11-01 11:05:21,789 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-01 11:05:21,792 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-01 11:05:21,792 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-01 11:05:21,792 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-01 11:05:21,792 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 11:05:18" (3/4) ... [2021-11-01 11:05:21,794 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-01 11:05:21,812 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2021-11-01 11:05:21,813 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-01 11:05:21,813 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-01 11:05:21,814 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-01 11:05:21,936 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-11-01 11:05:21,936 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-01 11:05:21,936 INFO L158 Benchmark]: Toolchain (without parser) took 5990.99ms. Allocated memory was 94.4MB in the beginning and 178.3MB in the end (delta: 83.9MB). Free memory was 54.1MB in the beginning and 66.2MB in the end (delta: -12.1MB). Peak memory consumption was 97.7MB. Max. memory is 16.1GB. [2021-11-01 11:05:21,937 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 94.4MB. Free memory was 51.9MB in the beginning and 51.9MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-01 11:05:21,937 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1571.73ms. Allocated memory was 94.4MB in the beginning and 146.8MB in the end (delta: 52.4MB). Free memory was 53.8MB in the beginning and 71.8MB in the end (delta: -18.0MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2021-11-01 11:05:21,937 INFO L158 Benchmark]: Boogie Procedure Inliner took 183.22ms. Allocated memory is still 146.8MB. Free memory was 71.8MB in the beginning and 62.1MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-01 11:05:21,937 INFO L158 Benchmark]: Boogie Preprocessor took 59.49ms. Allocated memory is still 146.8MB. Free memory was 62.1MB in the beginning and 57.1MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-01 11:05:21,938 INFO L158 Benchmark]: RCFGBuilder took 603.10ms. Allocated memory is still 146.8MB. Free memory was 57.1MB in the beginning and 62.6MB in the end (delta: -5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-01 11:05:21,938 INFO L158 Benchmark]: TraceAbstraction took 3421.10ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 62.6MB in the beginning and 57.4MB in the end (delta: 5.2MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2021-11-01 11:05:21,938 INFO L158 Benchmark]: Witness Printer took 144.24ms. Allocated memory is still 178.3MB. Free memory was 57.4MB in the beginning and 66.2MB in the end (delta: -8.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-01 11:05:21,939 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 94.4MB. Free memory was 51.9MB in the beginning and 51.9MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1571.73ms. Allocated memory was 94.4MB in the beginning and 146.8MB in the end (delta: 52.4MB). Free memory was 53.8MB in the beginning and 71.8MB in the end (delta: -18.0MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 183.22ms. Allocated memory is still 146.8MB. Free memory was 71.8MB in the beginning and 62.1MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.49ms. Allocated memory is still 146.8MB. Free memory was 62.1MB in the beginning and 57.1MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 603.10ms. Allocated memory is still 146.8MB. Free memory was 57.1MB in the beginning and 62.6MB in the end (delta: -5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3421.10ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 62.6MB in the beginning and 57.4MB in the end (delta: 5.2MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. * Witness Printer took 144.24ms. Allocated memory is still 178.3MB. Free memory was 57.4MB in the beginning and 66.2MB in the end (delta: -8.8MB). Peak memory consumption was 18.9MB. 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 98 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 3364.73ms, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 25.64ms, AutomataDifference: 1997.05ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 57.31ms, InitialAbstractionConstructionTime: 11.41ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1489 SdHoareTripleChecker+Valid, 1485.31ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1489 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1164.06ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1241 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2200 IncrementalHoareTripleChecker+Invalid, 2257 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 0 mSDtfsCounter, 2200 mSolverCounterSat, 15.41ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 414.75ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=4, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 59.75ms AutomataMinimizationTime, 7 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 22 LocationsWithAnnotation, 22 PreInvPairs, 34 NumberOfFragments, 90 HoareAnnotationTreeSize, 22 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 17.52ms HoareSimplificationTime, 22 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 33.79ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 59.60ms SsaConstructionTime, 272.27ms SatisfiabilityAnalysisTime, 673.97ms InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 488 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 6253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6883]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 6801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6807]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 7412]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 6253]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 6890]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 6253]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 16 == max_size - InvariantResult [Line: 6253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8923]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 6890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8019]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6883]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 6801]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-01 11:05:21,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...