./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 22:34:33,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 22:34:33,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 22:34:33,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 22:34:33,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 22:34:33,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 22:34:33,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 22:34:33,788 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 22:34:33,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 22:34:33,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 22:34:33,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 22:34:33,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 22:34:33,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 22:34:33,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 22:34:33,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 22:34:33,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 22:34:33,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 22:34:33,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 22:34:33,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 22:34:33,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 22:34:33,808 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 22:34:33,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 22:34:33,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 22:34:33,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 22:34:33,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 22:34:33,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 22:34:33,816 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 22:34:33,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 22:34:33,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 22:34:33,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 22:34:33,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 22:34:33,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 22:34:33,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 22:34:33,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 22:34:33,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 22:34:33,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 22:34:33,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 22:34:33,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 22:34:33,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 22:34:33,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 22:34:33,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 22:34:33,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 22:34:33,825 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-22 22:34:33,845 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 22:34:33,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 22:34:33,846 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 22:34:33,846 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 22:34:33,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 22:34:33,847 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 22:34:33,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 22:34:33,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 22:34:33,848 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 22:34:33,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 22:34:33,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 22:34:33,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 22:34:33,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 22:34:33,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 22:34:33,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 22:34:33,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 22:34:33,849 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 22:34:33,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 22:34:33,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 22:34:33,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 22:34:33,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 22:34:33,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:34:33,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 22:34:33,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 22:34:33,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 22:34:33,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 22:34:33,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 22:34:33,852 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 22:34:33,852 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 22:34:33,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 22:34:33,852 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 [2022-07-22 22:34:34,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 22:34:34,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 22:34:34,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 22:34:34,049 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 22:34:34,050 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 22:34:34,050 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2022-07-22 22:34:34,095 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1620e82e4/adbcbf47c4bf446dab645d9dd057b377/FLAG430c0e9c6 [2022-07-22 22:34:34,708 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 22:34:34,709 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2022-07-22 22:34:34,730 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1620e82e4/adbcbf47c4bf446dab645d9dd057b377/FLAG430c0e9c6 [2022-07-22 22:34:35,119 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1620e82e4/adbcbf47c4bf446dab645d9dd057b377 [2022-07-22 22:34:35,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 22:34:35,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 22:34:35,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 22:34:35,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 22:34:35,136 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 22:34:35,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:34:35" (1/1) ... [2022-07-22 22:34:35,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f921acb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:34:35, skipping insertion in model container [2022-07-22 22:34:35,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:34:35" (1/1) ... [2022-07-22 22:34:35,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 22:34:35,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 22:34:35,460 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4500,4513] [2022-07-22 22:34:35,466 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4560,4573] [2022-07-22 22:34:35,987 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:34:35,988 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:34:35,988 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:34:35,989 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:34:35,990 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:34:35,998 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:34:35,999 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:34:36,000 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:34:36,000 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:34:36,268 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-22 22:34:36,269 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-22 22:34:36,270 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-22 22:34:36,270 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-22 22:34:36,271 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-22 22:34:36,272 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-22 22:34:36,272 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-22 22:34:36,272 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-22 22:34:36,273 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-22 22:34:36,273 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-22 22:34:36,354 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-22 22:34:36,412 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:34:36,413 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:34:36,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:34:36,480 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 22:34:36,488 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4500,4513] [2022-07-22 22:34:36,488 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4560,4573] [2022-07-22 22:34:36,507 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:34:36,508 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:34:36,508 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:34:36,508 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:34:36,509 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:34:36,512 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:34:36,513 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:34:36,513 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:34:36,513 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:34:36,530 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-22 22:34:36,530 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-22 22:34:36,531 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-22 22:34:36,531 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-22 22:34:36,532 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-22 22:34:36,532 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-22 22:34:36,533 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-22 22:34:36,533 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-22 22:34:36,533 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-22 22:34:36,533 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-22 22:34:36,545 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-22 22:34:36,601 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:34:36,602 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:34:36,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:34:36,846 INFO L208 MainTranslator]: Completed translation [2022-07-22 22:34:36,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:34:36 WrapperNode [2022-07-22 22:34:36,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 22:34:36,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 22:34:36,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 22:34:36,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 22:34:36,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:34:36" (1/1) ... [2022-07-22 22:34:36,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:34:36" (1/1) ... [2022-07-22 22:34:37,006 INFO L137 Inliner]: procedures = 690, calls = 2740, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 831 [2022-07-22 22:34:37,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 22:34:37,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 22:34:37,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 22:34:37,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 22:34:37,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:34:36" (1/1) ... [2022-07-22 22:34:37,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:34:36" (1/1) ... [2022-07-22 22:34:37,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:34:36" (1/1) ... [2022-07-22 22:34:37,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:34:36" (1/1) ... [2022-07-22 22:34:37,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:34:36" (1/1) ... [2022-07-22 22:34:37,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:34:36" (1/1) ... [2022-07-22 22:34:37,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:34:36" (1/1) ... [2022-07-22 22:34:37,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 22:34:37,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 22:34:37,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 22:34:37,106 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 22:34:37,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:34:36" (1/1) ... [2022-07-22 22:34:37,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:34:37,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:34:37,140 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) [2022-07-22 22:34:37,158 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 [2022-07-22 22:34:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-07-22 22:34:37,168 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-07-22 22:34:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 22:34:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-07-22 22:34:37,168 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-07-22 22:34:37,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2022-07-22 22:34:37,169 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-07-22 22:34:37,169 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-07-22 22:34:37,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-22 22:34:37,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-22 22:34:37,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 22:34:37,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-22 22:34:37,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-22 22:34:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-07-22 22:34:37,171 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-07-22 22:34:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-07-22 22:34:37,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-07-22 22:34:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 22:34:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 22:34:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 22:34:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 22:34:37,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 22:34:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-07-22 22:34:37,173 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-07-22 22:34:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-22 22:34:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-22 22:34:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-07-22 22:34:37,173 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-07-22 22:34:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-22 22:34:37,173 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-22 22:34:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-07-22 22:34:37,174 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-07-22 22:34:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 22:34:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-07-22 22:34:37,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-07-22 22:34:37,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 22:34:37,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 22:34:37,175 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2022-07-22 22:34:37,175 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2022-07-22 22:34:37,175 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-07-22 22:34:37,175 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-07-22 22:34:37,175 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-07-22 22:34:37,175 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-07-22 22:34:37,176 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-07-22 22:34:37,176 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-07-22 22:34:37,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 22:34:37,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real [2022-07-22 22:34:37,176 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_string [2022-07-22 22:34:37,176 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_string [2022-07-22 22:34:37,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 22:34:37,405 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 22:34:37,407 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 22:34:37,513 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !true; [2022-07-22 22:34:38,115 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 22:34:38,123 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 22:34:38,123 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 22:34:38,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:34:38 BoogieIcfgContainer [2022-07-22 22:34:38,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 22:34:38,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 22:34:38,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 22:34:38,131 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 22:34:38,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 10:34:35" (1/3) ... [2022-07-22 22:34:38,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@233e0a9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:34:38, skipping insertion in model container [2022-07-22 22:34:38,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:34:36" (2/3) ... [2022-07-22 22:34:38,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@233e0a9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:34:38, skipping insertion in model container [2022-07-22 22:34:38,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:34:38" (3/3) ... [2022-07-22 22:34:38,133 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_string_harness.i [2022-07-22 22:34:38,146 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 22:34:38,147 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 22:34:38,191 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 22:34:38,198 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2b3a0916, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2e29d4d [2022-07-22 22:34:38,198 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 22:34:38,203 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 97 states have (on average 1.175257731958763) internal successors, (114), 97 states have internal predecessors, (114), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2022-07-22 22:34:38,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-07-22 22:34:38,216 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:34:38,217 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:34:38,217 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:34:38,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:34:38,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1670706302, now seen corresponding path program 1 times [2022-07-22 22:34:38,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:34:38,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165440908] [2022-07-22 22:34:38,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:34:38,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:34:38,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:38,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:34:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:38,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 22:34:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:38,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 22:34:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:38,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:34:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:38,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 22:34:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:38,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 22:34:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:38,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:34:38,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:38,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 22:34:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:38,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:34:38,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:38,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 22:34:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:38,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 22:34:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:38,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:34:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:38,822 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-22 22:34:38,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:34:38,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165440908] [2022-07-22 22:34:38,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165440908] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:34:38,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:34:38,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 22:34:38,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937592093] [2022-07-22 22:34:38,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:34:38,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 22:34:38,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:34:38,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 22:34:38,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 22:34:38,853 INFO L87 Difference]: Start difference. First operand has 153 states, 97 states have (on average 1.175257731958763) internal successors, (114), 97 states have internal predecessors, (114), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 22:34:39,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:34:39,200 INFO L93 Difference]: Finished difference Result 317 states and 419 transitions. [2022-07-22 22:34:39,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 22:34:39,202 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 80 [2022-07-22 22:34:39,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:34:39,208 INFO L225 Difference]: With dead ends: 317 [2022-07-22 22:34:39,209 INFO L226 Difference]: Without dead ends: 164 [2022-07-22 22:34:39,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 22:34:39,213 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 60 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 22:34:39,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 264 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 22:34:39,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-07-22 22:34:39,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 147. [2022-07-22 22:34:39,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 91 states have (on average 1.164835164835165) internal successors, (106), 92 states have internal predecessors, (106), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2022-07-22 22:34:39,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 183 transitions. [2022-07-22 22:34:39,246 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 183 transitions. Word has length 80 [2022-07-22 22:34:39,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:34:39,246 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 183 transitions. [2022-07-22 22:34:39,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 22:34:39,247 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 183 transitions. [2022-07-22 22:34:39,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-07-22 22:34:39,252 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:34:39,252 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:34:39,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 22:34:39,253 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:34:39,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:34:39,254 INFO L85 PathProgramCache]: Analyzing trace with hash 2065694084, now seen corresponding path program 1 times [2022-07-22 22:34:39,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:34:39,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727560096] [2022-07-22 22:34:39,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:34:39,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:34:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:39,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:34:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:39,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 22:34:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:39,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 22:34:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:39,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:34:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:39,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 22:34:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:39,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 22:34:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:39,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:34:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:39,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 22:34:39,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:39,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:34:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:39,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 22:34:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:39,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 22:34:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:39,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:34:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:39,700 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-22 22:34:39,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:34:39,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727560096] [2022-07-22 22:34:39,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727560096] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:34:39,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:34:39,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-22 22:34:39,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303223443] [2022-07-22 22:34:39,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:34:39,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 22:34:39,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:34:39,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 22:34:39,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-07-22 22:34:39,703 INFO L87 Difference]: Start difference. First operand 147 states and 183 transitions. Second operand has 10 states, 9 states have (on average 4.777777777777778) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 22:34:40,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:34:40,474 INFO L93 Difference]: Finished difference Result 240 states and 305 transitions. [2022-07-22 22:34:40,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-22 22:34:40,474 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.777777777777778) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 80 [2022-07-22 22:34:40,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:34:40,476 INFO L225 Difference]: With dead ends: 240 [2022-07-22 22:34:40,476 INFO L226 Difference]: Without dead ends: 193 [2022-07-22 22:34:40,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-07-22 22:34:40,477 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 78 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 22:34:40,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 803 Invalid, 891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 22:34:40,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-07-22 22:34:40,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 152. [2022-07-22 22:34:40,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 95 states have (on average 1.1578947368421053) internal successors, (110), 96 states have internal predecessors, (110), 39 states have call successors, (39), 16 states have call predecessors, (39), 17 states have return successors, (39), 39 states have call predecessors, (39), 38 states have call successors, (39) [2022-07-22 22:34:40,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 188 transitions. [2022-07-22 22:34:40,507 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 188 transitions. Word has length 80 [2022-07-22 22:34:40,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:34:40,508 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 188 transitions. [2022-07-22 22:34:40,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.777777777777778) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 22:34:40,508 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 188 transitions. [2022-07-22 22:34:40,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-07-22 22:34:40,509 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:34:40,509 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:34:40,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 22:34:40,509 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:34:40,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:34:40,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1742615278, now seen corresponding path program 1 times [2022-07-22 22:34:40,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:34:40,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687471215] [2022-07-22 22:34:40,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:34:40,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:34:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:40,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:34:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:40,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 22:34:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:40,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 22:34:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:40,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:34:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:40,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 22:34:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:40,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 22:34:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:40,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:34:40,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:40,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 22:34:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:40,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:34:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:40,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 22:34:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:40,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 22:34:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:40,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:34:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:40,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 22:34:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:40,796 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-22 22:34:40,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:34:40,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687471215] [2022-07-22 22:34:40,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687471215] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:34:40,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:34:40,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-22 22:34:40,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172716480] [2022-07-22 22:34:40,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:34:40,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 22:34:40,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:34:40,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 22:34:40,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-07-22 22:34:40,799 INFO L87 Difference]: Start difference. First operand 152 states and 188 transitions. Second operand has 10 states, 9 states have (on average 5.222222222222222) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (14), 5 states have call predecessors, (14), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-22 22:34:41,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:34:41,612 INFO L93 Difference]: Finished difference Result 260 states and 338 transitions. [2022-07-22 22:34:41,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-22 22:34:41,613 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.222222222222222) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (14), 5 states have call predecessors, (14), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 86 [2022-07-22 22:34:41,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:34:41,615 INFO L225 Difference]: With dead ends: 260 [2022-07-22 22:34:41,615 INFO L226 Difference]: Without dead ends: 218 [2022-07-22 22:34:41,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2022-07-22 22:34:41,616 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 161 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 22:34:41,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 645 Invalid, 808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 22:34:41,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2022-07-22 22:34:41,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 160. [2022-07-22 22:34:41,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 99 states have (on average 1.1515151515151516) internal successors, (114), 102 states have internal predecessors, (114), 42 states have call successors, (42), 16 states have call predecessors, (42), 18 states have return successors, (43), 41 states have call predecessors, (43), 41 states have call successors, (43) [2022-07-22 22:34:41,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 199 transitions. [2022-07-22 22:34:41,633 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 199 transitions. Word has length 86 [2022-07-22 22:34:41,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:34:41,634 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 199 transitions. [2022-07-22 22:34:41,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.222222222222222) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (14), 5 states have call predecessors, (14), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-22 22:34:41,634 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 199 transitions. [2022-07-22 22:34:41,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-07-22 22:34:41,635 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:34:41,636 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:34:41,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 22:34:41,636 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:34:41,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:34:41,637 INFO L85 PathProgramCache]: Analyzing trace with hash -305918410, now seen corresponding path program 1 times [2022-07-22 22:34:41,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:34:41,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637806474] [2022-07-22 22:34:41,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:34:41,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:34:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:41,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:34:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:41,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 22:34:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:41,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 22:34:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:41,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:34:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:41,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 22:34:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:41,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 22:34:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:41,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:34:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:41,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-22 22:34:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:41,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 22:34:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:41,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:34:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:41,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 22:34:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:41,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 22:34:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:41,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:34:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:41,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 22:34:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:41,916 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-22 22:34:41,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:34:41,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637806474] [2022-07-22 22:34:41,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637806474] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:34:41,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:34:41,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-22 22:34:41,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716447596] [2022-07-22 22:34:41,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:34:41,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 22:34:41,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:34:41,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 22:34:41,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-07-22 22:34:41,919 INFO L87 Difference]: Start difference. First operand 160 states and 199 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 1 states have call successors, (14) [2022-07-22 22:34:42,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:34:42,741 INFO L93 Difference]: Finished difference Result 256 states and 325 transitions. [2022-07-22 22:34:42,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-22 22:34:42,742 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 1 states have call successors, (14) Word has length 95 [2022-07-22 22:34:42,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:34:42,747 INFO L225 Difference]: With dead ends: 256 [2022-07-22 22:34:42,748 INFO L226 Difference]: Without dead ends: 216 [2022-07-22 22:34:42,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2022-07-22 22:34:42,752 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 92 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-22 22:34:42,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 726 Invalid, 827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-22 22:34:42,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2022-07-22 22:34:42,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 170. [2022-07-22 22:34:42,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 106 states have (on average 1.1415094339622642) internal successors, (121), 109 states have internal predecessors, (121), 42 states have call successors, (42), 16 states have call predecessors, (42), 21 states have return successors, (48), 44 states have call predecessors, (48), 41 states have call successors, (48) [2022-07-22 22:34:42,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 211 transitions. [2022-07-22 22:34:42,795 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 211 transitions. Word has length 95 [2022-07-22 22:34:42,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:34:42,796 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 211 transitions. [2022-07-22 22:34:42,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 1 states have call successors, (14) [2022-07-22 22:34:42,797 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 211 transitions. [2022-07-22 22:34:42,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-22 22:34:42,806 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:34:42,806 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:34:42,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 22:34:42,807 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:34:42,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:34:42,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1965360267, now seen corresponding path program 1 times [2022-07-22 22:34:42,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:34:42,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350808704] [2022-07-22 22:34:42,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:34:42,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:34:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:43,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:34:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:43,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 22:34:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:43,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 22:34:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:43,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:34:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:43,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 22:34:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:43,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 22:34:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:43,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:34:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:43,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-22 22:34:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:43,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 22:34:43,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:43,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:34:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:43,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 22:34:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:43,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 22:34:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:43,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:34:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:43,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 22:34:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:43,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-22 22:34:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:43,310 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-07-22 22:34:43,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:34:43,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350808704] [2022-07-22 22:34:43,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350808704] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 22:34:43,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771867686] [2022-07-22 22:34:43,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:34:43,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:34:43,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:34:43,313 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 22:34:43,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 22:34:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:43,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 2690 conjuncts, 104 conjunts are in the unsatisfiable core [2022-07-22 22:34:43,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:34:43,926 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-07-22 22:34:45,818 INFO L356 Elim1Store]: treesize reduction 168, result has 24.0 percent of original size [2022-07-22 22:34:45,819 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 21 case distinctions, treesize of input 187 treesize of output 171 [2022-07-22 22:34:45,993 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 22 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-22 22:34:45,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 22:34:52,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771867686] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 22:34:52,032 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-22 22:34:52,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 30] total 42 [2022-07-22 22:34:52,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994042875] [2022-07-22 22:34:52,032 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-22 22:34:52,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-07-22 22:34:52,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:34:52,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-07-22 22:34:52,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=2404, Unknown=0, NotChecked=0, Total=2550 [2022-07-22 22:34:52,037 INFO L87 Difference]: Start difference. First operand 170 states and 211 transitions. Second operand has 42 states, 38 states have (on average 2.8157894736842106) internal successors, (107), 32 states have internal predecessors, (107), 13 states have call successors, (31), 8 states have call predecessors, (31), 8 states have return successors, (29), 14 states have call predecessors, (29), 12 states have call successors, (29) [2022-07-22 22:34:56,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:34:56,886 INFO L93 Difference]: Finished difference Result 411 states and 527 transitions. [2022-07-22 22:34:56,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-07-22 22:34:56,887 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 38 states have (on average 2.8157894736842106) internal successors, (107), 32 states have internal predecessors, (107), 13 states have call successors, (31), 8 states have call predecessors, (31), 8 states have return successors, (29), 14 states have call predecessors, (29), 12 states have call successors, (29) Word has length 103 [2022-07-22 22:34:56,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:34:56,889 INFO L225 Difference]: With dead ends: 411 [2022-07-22 22:34:56,889 INFO L226 Difference]: Without dead ends: 254 [2022-07-22 22:34:56,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 126 SyntacticMatches, 1 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1511 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=659, Invalid=7346, Unknown=5, NotChecked=0, Total=8010 [2022-07-22 22:34:56,892 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 485 mSDsluCounter, 2074 mSDsCounter, 0 mSdLazyCounter, 4023 mSolverCounterSat, 403 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 2236 SdHoareTripleChecker+Invalid, 5360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 403 IncrementalHoareTripleChecker+Valid, 4023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 934 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-22 22:34:56,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 2236 Invalid, 5360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [403 Valid, 4023 Invalid, 0 Unknown, 934 Unchecked, 2.7s Time] [2022-07-22 22:34:56,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2022-07-22 22:34:56,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 200. [2022-07-22 22:34:56,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 128 states have (on average 1.1328125) internal successors, (145), 133 states have internal predecessors, (145), 46 states have call successors, (46), 17 states have call predecessors, (46), 25 states have return successors, (62), 49 states have call predecessors, (62), 45 states have call successors, (62) [2022-07-22 22:34:56,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 253 transitions. [2022-07-22 22:34:56,920 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 253 transitions. Word has length 103 [2022-07-22 22:34:56,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:34:56,921 INFO L495 AbstractCegarLoop]: Abstraction has 200 states and 253 transitions. [2022-07-22 22:34:56,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 38 states have (on average 2.8157894736842106) internal successors, (107), 32 states have internal predecessors, (107), 13 states have call successors, (31), 8 states have call predecessors, (31), 8 states have return successors, (29), 14 states have call predecessors, (29), 12 states have call successors, (29) [2022-07-22 22:34:56,921 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 253 transitions. [2022-07-22 22:34:56,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-22 22:34:56,922 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:34:56,922 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:34:56,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-22 22:34:57,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:34:57,123 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:34:57,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:34:57,124 INFO L85 PathProgramCache]: Analyzing trace with hash 848771971, now seen corresponding path program 1 times [2022-07-22 22:34:57,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:34:57,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106603924] [2022-07-22 22:34:57,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:34:57,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:34:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:57,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:34:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:57,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 22:34:57,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:57,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 22:34:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:57,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:34:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:57,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 22:34:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:57,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-22 22:34:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:57,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 22:34:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:57,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:34:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:57,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-22 22:34:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:57,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 22:34:57,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:57,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:34:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:57,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 22:34:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:57,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 22:34:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:57,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:34:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:57,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 22:34:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:57,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-22 22:34:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:57,542 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-07-22 22:34:57,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:34:57,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106603924] [2022-07-22 22:34:57,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106603924] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:34:57,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:34:57,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-07-22 22:34:57,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602138073] [2022-07-22 22:34:57,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:34:57,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-07-22 22:34:57,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:34:57,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-07-22 22:34:57,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2022-07-22 22:34:57,544 INFO L87 Difference]: Start difference. First operand 200 states and 253 transitions. Second operand has 16 states, 16 states have (on average 3.9375) internal successors, (63), 12 states have internal predecessors, (63), 4 states have call successors, (17), 5 states have call predecessors, (17), 3 states have return successors, (16), 5 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-22 22:34:58,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:34:58,764 INFO L93 Difference]: Finished difference Result 263 states and 343 transitions. [2022-07-22 22:34:58,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-22 22:34:58,765 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.9375) internal successors, (63), 12 states have internal predecessors, (63), 4 states have call successors, (17), 5 states have call predecessors, (17), 3 states have return successors, (16), 5 states have call predecessors, (16), 3 states have call successors, (16) Word has length 108 [2022-07-22 22:34:58,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:34:58,769 INFO L225 Difference]: With dead ends: 263 [2022-07-22 22:34:58,769 INFO L226 Difference]: Without dead ends: 251 [2022-07-22 22:34:58,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=539, Unknown=0, NotChecked=0, Total=650 [2022-07-22 22:34:58,770 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 302 mSDsluCounter, 915 mSDsCounter, 0 mSdLazyCounter, 1399 mSolverCounterSat, 231 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 1076 SdHoareTripleChecker+Invalid, 1630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 231 IncrementalHoareTripleChecker+Valid, 1399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-22 22:34:58,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 1076 Invalid, 1630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [231 Valid, 1399 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-22 22:34:58,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2022-07-22 22:34:58,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 205. [2022-07-22 22:34:58,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 132 states have (on average 1.128787878787879) internal successors, (149), 138 states have internal predecessors, (149), 46 states have call successors, (46), 17 states have call predecessors, (46), 26 states have return successors, (65), 49 states have call predecessors, (65), 45 states have call successors, (65) [2022-07-22 22:34:58,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 260 transitions. [2022-07-22 22:34:58,796 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 260 transitions. Word has length 108 [2022-07-22 22:34:58,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:34:58,797 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 260 transitions. [2022-07-22 22:34:58,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.9375) internal successors, (63), 12 states have internal predecessors, (63), 4 states have call successors, (17), 5 states have call predecessors, (17), 3 states have return successors, (16), 5 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-22 22:34:58,797 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 260 transitions. [2022-07-22 22:34:58,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-22 22:34:58,798 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:34:58,798 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:34:58,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-22 22:34:58,798 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:34:58,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:34:58,799 INFO L85 PathProgramCache]: Analyzing trace with hash -675274041, now seen corresponding path program 2 times [2022-07-22 22:34:58,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:34:58,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87360446] [2022-07-22 22:34:58,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:34:58,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:34:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:58,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:34:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:58,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 22:34:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:58,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 22:34:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:58,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:34:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:58,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 22:34:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:58,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-22 22:34:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:59,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 22:34:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:59,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:34:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:59,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-22 22:34:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:59,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 22:34:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:59,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:34:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:59,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 22:34:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:59,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 22:34:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:59,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:34:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:59,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 22:34:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:59,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-22 22:34:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:34:59,163 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-07-22 22:34:59,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:34:59,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87360446] [2022-07-22 22:34:59,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87360446] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 22:34:59,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889002548] [2022-07-22 22:34:59,164 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 22:34:59,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:34:59,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:34:59,166 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 22:34:59,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-22 22:34:59,656 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-22 22:34:59,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 22:34:59,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 2696 conjuncts, 24 conjunts are in the unsatisfiable core [2022-07-22 22:34:59,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:34:59,918 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-22 22:34:59,919 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 22:34:59,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889002548] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:34:59,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 22:34:59,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [18] total 31 [2022-07-22 22:34:59,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701464221] [2022-07-22 22:34:59,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:34:59,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-22 22:34:59,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:34:59,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-22 22:34:59,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=865, Unknown=0, NotChecked=0, Total=930 [2022-07-22 22:34:59,922 INFO L87 Difference]: Start difference. First operand 205 states and 260 transitions. Second operand has 15 states, 15 states have (on average 4.2) internal successors, (63), 14 states have internal predecessors, (63), 6 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (16), 5 states have call predecessors, (16), 6 states have call successors, (16) [2022-07-22 22:35:00,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:35:00,241 INFO L93 Difference]: Finished difference Result 283 states and 360 transitions. [2022-07-22 22:35:00,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 22:35:00,242 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.2) internal successors, (63), 14 states have internal predecessors, (63), 6 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (16), 5 states have call predecessors, (16), 6 states have call successors, (16) Word has length 108 [2022-07-22 22:35:00,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:35:00,243 INFO L225 Difference]: With dead ends: 283 [2022-07-22 22:35:00,243 INFO L226 Difference]: Without dead ends: 199 [2022-07-22 22:35:00,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=1367, Unknown=0, NotChecked=0, Total=1482 [2022-07-22 22:35:00,244 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 117 mSDsluCounter, 1843 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 2016 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 22:35:00,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 2016 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 22:35:00,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2022-07-22 22:35:00,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 189. [2022-07-22 22:35:00,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 120 states have (on average 1.1416666666666666) internal successors, (137), 125 states have internal predecessors, (137), 45 states have call successors, (45), 16 states have call predecessors, (45), 23 states have return successors, (54), 47 states have call predecessors, (54), 43 states have call successors, (54) [2022-07-22 22:35:00,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 236 transitions. [2022-07-22 22:35:00,262 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 236 transitions. Word has length 108 [2022-07-22 22:35:00,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:35:00,263 INFO L495 AbstractCegarLoop]: Abstraction has 189 states and 236 transitions. [2022-07-22 22:35:00,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.2) internal successors, (63), 14 states have internal predecessors, (63), 6 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (16), 5 states have call predecessors, (16), 6 states have call successors, (16) [2022-07-22 22:35:00,263 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 236 transitions. [2022-07-22 22:35:00,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-07-22 22:35:00,266 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:35:00,267 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:35:00,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-22 22:35:00,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-07-22 22:35:00,489 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:35:00,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:35:00,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1176778786, now seen corresponding path program 1 times [2022-07-22 22:35:00,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:35:00,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562432779] [2022-07-22 22:35:00,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:35:00,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:35:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:00,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:35:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:00,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 22:35:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:00,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 22:35:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:00,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:35:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:00,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 22:35:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:00,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-22 22:35:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:00,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 22:35:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:00,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:35:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:00,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 22:35:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:00,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:35:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:00,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 22:35:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:00,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 22:35:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:00,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:35:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:00,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 22:35:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:00,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-22 22:35:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:00,751 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-22 22:35:00,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:35:00,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562432779] [2022-07-22 22:35:00,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562432779] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:35:00,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:35:00,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-22 22:35:00,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549134476] [2022-07-22 22:35:00,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:35:00,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-22 22:35:00,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:35:00,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-22 22:35:00,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-22 22:35:00,753 INFO L87 Difference]: Start difference. First operand 189 states and 236 transitions. Second operand has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 8 states have internal predecessors, (56), 5 states have call successors, (16), 5 states have call predecessors, (16), 3 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2022-07-22 22:35:01,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:35:01,586 INFO L93 Difference]: Finished difference Result 305 states and 393 transitions. [2022-07-22 22:35:01,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 22:35:01,586 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 8 states have internal predecessors, (56), 5 states have call successors, (16), 5 states have call predecessors, (16), 3 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 99 [2022-07-22 22:35:01,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:35:01,588 INFO L225 Difference]: With dead ends: 305 [2022-07-22 22:35:01,588 INFO L226 Difference]: Without dead ends: 242 [2022-07-22 22:35:01,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2022-07-22 22:35:01,589 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 361 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 1102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 22:35:01,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 719 Invalid, 1102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 818 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 22:35:01,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2022-07-22 22:35:01,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 176. [2022-07-22 22:35:01,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 113 states have (on average 1.1327433628318584) internal successors, (128), 115 states have internal predecessors, (128), 42 states have call successors, (42), 16 states have call predecessors, (42), 20 states have return successors, (46), 44 states have call predecessors, (46), 40 states have call successors, (46) [2022-07-22 22:35:01,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 216 transitions. [2022-07-22 22:35:01,601 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 216 transitions. Word has length 99 [2022-07-22 22:35:01,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:35:01,601 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 216 transitions. [2022-07-22 22:35:01,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 8 states have internal predecessors, (56), 5 states have call successors, (16), 5 states have call predecessors, (16), 3 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2022-07-22 22:35:01,602 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 216 transitions. [2022-07-22 22:35:01,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-07-22 22:35:01,603 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:35:01,603 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:35:01,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-22 22:35:01,603 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:35:01,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:35:01,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1796968396, now seen corresponding path program 1 times [2022-07-22 22:35:01,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:35:01,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641158472] [2022-07-22 22:35:01,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:35:01,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:35:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:01,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:35:01,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:01,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 22:35:01,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:01,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 22:35:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:01,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:35:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:01,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 22:35:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:01,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-22 22:35:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:01,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-22 22:35:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:01,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-22 22:35:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:01,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-22 22:35:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:01,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-22 22:35:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:01,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-22 22:35:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:01,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:35:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:01,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-22 22:35:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:01,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:35:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:01,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:35:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:01,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-22 22:35:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:01,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 22:35:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:01,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-22 22:35:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:01,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:35:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:01,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-22 22:35:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:01,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-22 22:35:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:01,922 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-07-22 22:35:01,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:35:01,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641158472] [2022-07-22 22:35:01,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641158472] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:35:01,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:35:01,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-22 22:35:01,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954964229] [2022-07-22 22:35:01,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:35:01,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 22:35:01,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:35:01,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 22:35:01,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-07-22 22:35:01,924 INFO L87 Difference]: Start difference. First operand 176 states and 216 transitions. Second operand has 10 states, 10 states have (on average 6.8) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (24), 6 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-22 22:35:02,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:35:02,690 INFO L93 Difference]: Finished difference Result 269 states and 333 transitions. [2022-07-22 22:35:02,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-22 22:35:02,690 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (24), 6 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 141 [2022-07-22 22:35:02,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:35:02,691 INFO L225 Difference]: With dead ends: 269 [2022-07-22 22:35:02,691 INFO L226 Difference]: Without dead ends: 193 [2022-07-22 22:35:02,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2022-07-22 22:35:02,692 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 179 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 22:35:02,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 583 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 22:35:02,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-07-22 22:35:02,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 181. [2022-07-22 22:35:02,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 117 states have (on average 1.1282051282051282) internal successors, (132), 119 states have internal predecessors, (132), 42 states have call successors, (42), 16 states have call predecessors, (42), 21 states have return successors, (47), 45 states have call predecessors, (47), 40 states have call successors, (47) [2022-07-22 22:35:02,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 221 transitions. [2022-07-22 22:35:02,702 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 221 transitions. Word has length 141 [2022-07-22 22:35:02,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:35:02,703 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 221 transitions. [2022-07-22 22:35:02,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (24), 6 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-22 22:35:02,703 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 221 transitions. [2022-07-22 22:35:02,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-07-22 22:35:02,704 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:35:02,704 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:35:02,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-22 22:35:02,705 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:35:02,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:35:02,705 INFO L85 PathProgramCache]: Analyzing trace with hash -897660901, now seen corresponding path program 1 times [2022-07-22 22:35:02,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:35:02,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949697226] [2022-07-22 22:35:02,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:35:02,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:35:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:02,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:35:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:02,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 22:35:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:02,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 22:35:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:02,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:35:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:02,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 22:35:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:02,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-22 22:35:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:02,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-22 22:35:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:02,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-22 22:35:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:02,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-22 22:35:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:02,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-22 22:35:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:02,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-22 22:35:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:02,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:35:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:02,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-22 22:35:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:02,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:35:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:02,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:35:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:02,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-22 22:35:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:02,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 22:35:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:02,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-22 22:35:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:02,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:35:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:02,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 22:35:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:02,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-22 22:35:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:02,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-22 22:35:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:02,996 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-07-22 22:35:02,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:35:02,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949697226] [2022-07-22 22:35:02,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949697226] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:35:02,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:35:02,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-22 22:35:02,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008943448] [2022-07-22 22:35:02,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:35:02,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-22 22:35:02,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:35:02,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-22 22:35:02,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-22 22:35:02,999 INFO L87 Difference]: Start difference. First operand 181 states and 221 transitions. Second operand has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-22 22:35:03,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:35:03,924 INFO L93 Difference]: Finished difference Result 274 states and 341 transitions. [2022-07-22 22:35:03,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-22 22:35:03,925 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) Word has length 147 [2022-07-22 22:35:03,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:35:03,926 INFO L225 Difference]: With dead ends: 274 [2022-07-22 22:35:03,926 INFO L226 Difference]: Without dead ends: 210 [2022-07-22 22:35:03,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=368, Unknown=0, NotChecked=0, Total=462 [2022-07-22 22:35:03,927 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 113 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 22:35:03,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 727 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 22:35:03,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2022-07-22 22:35:03,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 186. [2022-07-22 22:35:03,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 121 states have (on average 1.1239669421487604) internal successors, (136), 123 states have internal predecessors, (136), 42 states have call successors, (42), 16 states have call predecessors, (42), 22 states have return successors, (48), 46 states have call predecessors, (48), 40 states have call successors, (48) [2022-07-22 22:35:03,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 226 transitions. [2022-07-22 22:35:03,943 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 226 transitions. Word has length 147 [2022-07-22 22:35:03,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:35:03,943 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 226 transitions. [2022-07-22 22:35:03,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-22 22:35:03,943 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 226 transitions. [2022-07-22 22:35:03,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-07-22 22:35:03,947 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:35:03,947 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:35:03,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-22 22:35:03,948 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:35:03,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:35:03,948 INFO L85 PathProgramCache]: Analyzing trace with hash -648190534, now seen corresponding path program 1 times [2022-07-22 22:35:03,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:35:03,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172782498] [2022-07-22 22:35:03,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:35:03,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:35:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:04,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:35:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:04,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 22:35:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:04,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 22:35:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:04,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:35:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:04,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 22:35:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:04,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-22 22:35:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:04,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 22:35:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:04,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:35:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:04,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-22 22:35:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:04,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 22:35:04,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:04,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:35:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:04,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 22:35:04,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:04,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 22:35:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:04,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:35:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:04,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 22:35:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:04,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:35:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:04,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:35:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:04,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-22 22:35:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:04,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 22:35:04,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:04,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-22 22:35:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:04,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:35:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:04,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 22:35:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:04,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-22 22:35:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:04,420 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-07-22 22:35:04,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:35:04,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172782498] [2022-07-22 22:35:04,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172782498] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 22:35:04,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433576829] [2022-07-22 22:35:04,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:35:04,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:35:04,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:35:04,445 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 22:35:04,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-22 22:35:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:35:04,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 2842 conjuncts, 132 conjunts are in the unsatisfiable core [2022-07-22 22:35:04,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:35:04,881 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-07-22 22:35:04,992 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-07-22 22:35:06,191 WARN L855 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_730 (Array Int Int))) (= (store |c_old(#memory_int)| |c_aws_add_size_checked_#in~r#1.base| v_ArrVal_730) |c_#memory_int|)) is different from true [2022-07-22 22:35:06,248 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-07-22 22:35:06,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:35:06,381 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 65 [2022-07-22 22:35:06,388 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-22 22:35:06,389 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-07-22 22:35:07,201 INFO L356 Elim1Store]: treesize reduction 168, result has 24.0 percent of original size [2022-07-22 22:35:07,202 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 21 case distinctions, treesize of input 231 treesize of output 191 [2022-07-22 22:35:07,462 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 22 proven. 21 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-22 22:35:07,462 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 22:35:08,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433576829] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 22:35:08,785 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-22 22:35:08,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 37] total 48 [2022-07-22 22:35:08,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762110549] [2022-07-22 22:35:08,785 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-22 22:35:08,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-07-22 22:35:08,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:35:08,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-07-22 22:35:08,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=2791, Unknown=17, NotChecked=106, Total=3080 [2022-07-22 22:35:08,787 INFO L87 Difference]: Start difference. First operand 186 states and 226 transitions. Second operand has 48 states, 41 states have (on average 3.2439024390243905) internal successors, (133), 33 states have internal predecessors, (133), 16 states have call successors, (43), 11 states have call predecessors, (43), 11 states have return successors, (39), 17 states have call predecessors, (39), 15 states have call successors, (39) [2022-07-22 22:35:09,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:35:09,186 INFO L93 Difference]: Finished difference Result 198 states and 236 transitions. [2022-07-22 22:35:09,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-22 22:35:09,187 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 41 states have (on average 3.2439024390243905) internal successors, (133), 33 states have internal predecessors, (133), 16 states have call successors, (43), 11 states have call predecessors, (43), 11 states have return successors, (39), 17 states have call predecessors, (39), 15 states have call successors, (39) Word has length 147 [2022-07-22 22:35:09,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:35:09,187 INFO L225 Difference]: With dead ends: 198 [2022-07-22 22:35:09,187 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 22:35:09,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 159 SyntacticMatches, 4 SemanticMatches, 61 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 938 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=227, Invalid=3542, Unknown=17, NotChecked=120, Total=3906 [2022-07-22 22:35:09,189 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 39 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 99 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 22:35:09,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 100 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 354 Invalid, 0 Unknown, 99 Unchecked, 0.2s Time] [2022-07-22 22:35:09,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 22:35:09,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 22:35:09,189 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) [2022-07-22 22:35:09,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 22:35:09,190 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 147 [2022-07-22 22:35:09,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:35:09,190 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 22:35:09,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 41 states have (on average 3.2439024390243905) internal successors, (133), 33 states have internal predecessors, (133), 16 states have call successors, (43), 11 states have call predecessors, (43), 11 states have return successors, (39), 17 states have call predecessors, (39), 15 states have call successors, (39) [2022-07-22 22:35:09,190 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 22:35:09,190 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 22:35:09,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 22:35:09,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-07-22 22:35:09,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:35:09,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 22:35:09,567 INFO L895 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6882 6887) the Hoare annotation is: (or (not (= 195 |~#s_can_fail_allocator_static~0.base|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-07-22 22:35:09,567 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6882 6887) no Hoare annotation was computed. [2022-07-22 22:35:09,567 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2022-07-22 22:35:09,567 INFO L899 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2022-07-22 22:35:09,567 INFO L895 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: (or (not (= 195 |~#s_can_fail_allocator_static~0.base|)) (and (= |bounded_malloc_#in~size| bounded_malloc_~size) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-07-22 22:35:09,567 INFO L902 garLoopResultBuilder]: At program point aws_mem_acquireENTRY(lines 6928 6938) the Hoare annotation is: true [2022-07-22 22:35:09,567 INFO L899 garLoopResultBuilder]: For program point L6934(lines 6934 6936) no Hoare annotation was computed. [2022-07-22 22:35:09,567 INFO L899 garLoopResultBuilder]: For program point L6935-1(line 6935) no Hoare annotation was computed. [2022-07-22 22:35:09,567 INFO L902 garLoopResultBuilder]: At program point L6935(line 6935) the Hoare annotation is: true [2022-07-22 22:35:09,567 INFO L899 garLoopResultBuilder]: For program point aws_mem_acquireEXIT(lines 6928 6938) no Hoare annotation was computed. [2022-07-22 22:35:09,567 INFO L902 garLoopResultBuilder]: At program point L6931-1(line 6931) the Hoare annotation is: true [2022-07-22 22:35:09,567 INFO L902 garLoopResultBuilder]: At program point L6931(line 6931) the Hoare annotation is: true [2022-07-22 22:35:09,567 INFO L899 garLoopResultBuilder]: For program point L6934-2(lines 6934 6936) no Hoare annotation was computed. [2022-07-22 22:35:09,567 INFO L899 garLoopResultBuilder]: For program point L6933(line 6933) no Hoare annotation was computed. [2022-07-22 22:35:09,567 INFO L899 garLoopResultBuilder]: For program point L6929-2(line 6929) no Hoare annotation was computed. [2022-07-22 22:35:09,567 INFO L902 garLoopResultBuilder]: At program point L6929-1(line 6929) the Hoare annotation is: true [2022-07-22 22:35:09,568 INFO L902 garLoopResultBuilder]: At program point L6929(line 6929) the Hoare annotation is: true [2022-07-22 22:35:09,568 INFO L899 garLoopResultBuilder]: For program point aws_mem_acquireFINAL(lines 6928 6938) no Hoare annotation was computed. [2022-07-22 22:35:09,568 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2022-07-22 22:35:09,568 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-07-22 22:35:09,568 INFO L902 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2022-07-22 22:35:09,568 INFO L902 garLoopResultBuilder]: At program point aws_string_is_validENTRY(lines 6252 6257) the Hoare annotation is: true [2022-07-22 22:35:09,568 INFO L899 garLoopResultBuilder]: For program point L6256-2(line 6256) no Hoare annotation was computed. [2022-07-22 22:35:09,568 INFO L899 garLoopResultBuilder]: For program point L6256(line 6256) no Hoare annotation was computed. [2022-07-22 22:35:09,568 INFO L899 garLoopResultBuilder]: For program point L6256-5(line 6256) no Hoare annotation was computed. [2022-07-22 22:35:09,568 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validFINAL(lines 6252 6257) no Hoare annotation was computed. [2022-07-22 22:35:09,568 INFO L899 garLoopResultBuilder]: For program point L6256-3(line 6256) no Hoare annotation was computed. [2022-07-22 22:35:09,568 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6252 6257) no Hoare annotation was computed. [2022-07-22 22:35:09,568 INFO L899 garLoopResultBuilder]: For program point aws_allocator_is_validFINAL(lines 6923 6926) no Hoare annotation was computed. [2022-07-22 22:35:09,568 INFO L899 garLoopResultBuilder]: For program point L6925-1(line 6925) no Hoare annotation was computed. [2022-07-22 22:35:09,568 INFO L902 garLoopResultBuilder]: At program point L6925(line 6925) the Hoare annotation is: true [2022-07-22 22:35:09,568 INFO L902 garLoopResultBuilder]: At program point aws_allocator_is_validENTRY(lines 6923 6926) the Hoare annotation is: true [2022-07-22 22:35:09,568 INFO L899 garLoopResultBuilder]: For program point aws_allocator_is_validEXIT(lines 6923 6926) no Hoare annotation was computed. [2022-07-22 22:35:09,568 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2022-07-22 22:35:09,568 INFO L902 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2022-07-22 22:35:09,568 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2022-07-22 22:35:09,568 INFO L902 garLoopResultBuilder]: At program point __CPROVER_overflow_plusENTRY(lines 248 251) the Hoare annotation is: true [2022-07-22 22:35:09,569 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_plusFINAL(lines 248 251) no Hoare annotation was computed. [2022-07-22 22:35:09,569 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_plusEXIT(lines 248 251) no Hoare annotation was computed. [2022-07-22 22:35:09,569 INFO L899 garLoopResultBuilder]: For program point L8989(line 8989) no Hoare annotation was computed. [2022-07-22 22:35:09,569 INFO L899 garLoopResultBuilder]: For program point L8990-1(line 8990) no Hoare annotation was computed. [2022-07-22 22:35:09,569 INFO L902 garLoopResultBuilder]: At program point L8989-1(line 8989) the Hoare annotation is: true [2022-07-22 22:35:09,569 INFO L899 garLoopResultBuilder]: For program point L8989-2(line 8989) no Hoare annotation was computed. [2022-07-22 22:35:09,569 INFO L902 garLoopResultBuilder]: At program point aws_string_new_from_stringENTRY(lines 8988 8991) the Hoare annotation is: true [2022-07-22 22:35:09,569 INFO L902 garLoopResultBuilder]: At program point L8990(line 8990) the Hoare annotation is: true [2022-07-22 22:35:09,569 INFO L902 garLoopResultBuilder]: At program point L8989-4(line 8989) the Hoare annotation is: true [2022-07-22 22:35:09,570 INFO L899 garLoopResultBuilder]: For program point L8989-5(line 8989) no Hoare annotation was computed. [2022-07-22 22:35:09,570 INFO L899 garLoopResultBuilder]: For program point aws_string_new_from_stringEXIT(lines 8988 8991) no Hoare annotation was computed. [2022-07-22 22:35:09,570 INFO L899 garLoopResultBuilder]: For program point aws_string_new_from_stringFINAL(lines 8988 8991) no Hoare annotation was computed. [2022-07-22 22:35:09,570 INFO L902 garLoopResultBuilder]: At program point can_fail_mallocENTRY(lines 6899 6903) the Hoare annotation is: true [2022-07-22 22:35:09,570 INFO L899 garLoopResultBuilder]: For program point L6900-3(lines 6900 6902) no Hoare annotation was computed. [2022-07-22 22:35:09,570 INFO L902 garLoopResultBuilder]: At program point L6902(line 6902) the Hoare annotation is: true [2022-07-22 22:35:09,570 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocFINAL(lines 6899 6903) no Hoare annotation was computed. [2022-07-22 22:35:09,570 INFO L899 garLoopResultBuilder]: For program point L6900-1(lines 6900 6902) no Hoare annotation was computed. [2022-07-22 22:35:09,570 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 6899 6903) no Hoare annotation was computed. [2022-07-22 22:35:09,570 INFO L902 garLoopResultBuilder]: At program point L6900(line 6900) the Hoare annotation is: true [2022-07-22 22:35:09,570 INFO L899 garLoopResultBuilder]: For program point L6902-1(line 6902) no Hoare annotation was computed. [2022-07-22 22:35:09,570 INFO L902 garLoopResultBuilder]: At program point aws_string_new_from_arrayENTRY(lines 8964 8986) the Hoare annotation is: true [2022-07-22 22:35:09,570 INFO L899 garLoopResultBuilder]: For program point L8985-4(line 8985) no Hoare annotation was computed. [2022-07-22 22:35:09,570 INFO L902 garLoopResultBuilder]: At program point L8985-1(line 8985) the Hoare annotation is: true [2022-07-22 22:35:09,570 INFO L902 garLoopResultBuilder]: At program point L8983(line 8983) the Hoare annotation is: true [2022-07-22 22:35:09,570 INFO L899 garLoopResultBuilder]: For program point L8985-2(line 8985) no Hoare annotation was computed. [2022-07-22 22:35:09,570 INFO L899 garLoopResultBuilder]: For program point L8983-1(line 8983) no Hoare annotation was computed. [2022-07-22 22:35:09,570 INFO L902 garLoopResultBuilder]: At program point L8985-3(line 8985) the Hoare annotation is: true [2022-07-22 22:35:09,570 INFO L902 garLoopResultBuilder]: At program point L8973(line 8973) the Hoare annotation is: true [2022-07-22 22:35:09,570 INFO L899 garLoopResultBuilder]: For program point L8973-1(line 8973) no Hoare annotation was computed. [2022-07-22 22:35:09,570 INFO L902 garLoopResultBuilder]: At program point L8965(line 8965) the Hoare annotation is: true [2022-07-22 22:35:09,571 INFO L899 garLoopResultBuilder]: For program point aws_string_new_from_arrayFINAL(lines 8964 8986) no Hoare annotation was computed. [2022-07-22 22:35:09,571 INFO L902 garLoopResultBuilder]: At program point L8965-1(line 8965) the Hoare annotation is: true [2022-07-22 22:35:09,571 INFO L899 garLoopResultBuilder]: For program point aws_string_new_from_arrayEXIT(lines 8964 8986) no Hoare annotation was computed. [2022-07-22 22:35:09,571 INFO L899 garLoopResultBuilder]: For program point L8974(lines 8974 8978) no Hoare annotation was computed. [2022-07-22 22:35:09,571 INFO L902 garLoopResultBuilder]: At program point L8968(line 8968) the Hoare annotation is: true [2022-07-22 22:35:09,571 INFO L899 garLoopResultBuilder]: For program point L8968-1(line 8968) no Hoare annotation was computed. [2022-07-22 22:35:09,571 INFO L899 garLoopResultBuilder]: For program point L8966(line 8966) no Hoare annotation was computed. [2022-07-22 22:35:09,571 INFO L899 garLoopResultBuilder]: For program point L8968-2(lines 8968 8972) no Hoare annotation was computed. [2022-07-22 22:35:09,571 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-07-22 22:35:09,571 INFO L902 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: true [2022-07-22 22:35:09,571 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memcpyFINAL(line -1) no Hoare annotation was computed. [2022-07-22 22:35:09,571 INFO L902 garLoopResultBuilder]: At program point #Ultimate.C_memcpyENTRY(line -1) the Hoare annotation is: true [2022-07-22 22:35:09,571 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memcpyEXIT(line -1) no Hoare annotation was computed. [2022-07-22 22:35:09,571 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2022-07-22 22:35:09,571 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-07-22 22:35:09,571 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-07-22 22:35:09,571 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-07-22 22:35:09,571 INFO L902 garLoopResultBuilder]: At program point aws_raise_errorENTRY(lines 1988 1999) the Hoare annotation is: true [2022-07-22 22:35:09,571 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorFINAL(lines 1988 1999) no Hoare annotation was computed. [2022-07-22 22:35:09,571 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2022-07-22 22:35:09,571 INFO L899 garLoopResultBuilder]: For program point L7317(lines 7317 7319) no Hoare annotation was computed. [2022-07-22 22:35:09,572 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6889 6891) no Hoare annotation was computed. [2022-07-22 22:35:09,572 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6889 6891) no Hoare annotation was computed. [2022-07-22 22:35:09,572 INFO L902 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6889 6891) the Hoare annotation is: true [2022-07-22 22:35:09,572 INFO L902 garLoopResultBuilder]: At program point L2545(lines 2541 2546) the Hoare annotation is: true [2022-07-22 22:35:09,572 INFO L902 garLoopResultBuilder]: At program point aws_add_size_checkedENTRY(lines 2613 2621) the Hoare annotation is: true [2022-07-22 22:35:09,572 INFO L902 garLoopResultBuilder]: At program point L2542(line 2542) the Hoare annotation is: true [2022-07-22 22:35:09,572 INFO L899 garLoopResultBuilder]: For program point L2543-1(line 2543) no Hoare annotation was computed. [2022-07-22 22:35:09,572 INFO L902 garLoopResultBuilder]: At program point L2543(line 2543) the Hoare annotation is: true [2022-07-22 22:35:09,572 INFO L899 garLoopResultBuilder]: For program point L2542-1(lines 2542 2543) no Hoare annotation was computed. [2022-07-22 22:35:09,572 INFO L899 garLoopResultBuilder]: For program point aws_add_size_checkedFINAL(lines 2613 2621) no Hoare annotation was computed. [2022-07-22 22:35:09,572 INFO L899 garLoopResultBuilder]: For program point aws_add_size_checkedEXIT(lines 2613 2621) no Hoare annotation was computed. [2022-07-22 22:35:09,572 INFO L895 garLoopResultBuilder]: At program point L6815(lines 6806 6816) the Hoare annotation is: false [2022-07-22 22:35:09,572 INFO L899 garLoopResultBuilder]: For program point L9338(lines 9338 9344) no Hoare annotation was computed. [2022-07-22 22:35:09,572 INFO L899 garLoopResultBuilder]: For program point L7100-1(lines 7099 7112) no Hoare annotation was computed. [2022-07-22 22:35:09,572 INFO L895 garLoopResultBuilder]: At program point L7100(line 7100) the Hoare annotation is: false [2022-07-22 22:35:09,572 INFO L899 garLoopResultBuilder]: For program point L6807-1(line 6807) no Hoare annotation was computed. [2022-07-22 22:35:09,572 INFO L895 garLoopResultBuilder]: At program point L6807(line 6807) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 18446744073710786165) (let ((.cse0 (* (div |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) 18446744073709551616))) (<= (+ 18446744073709551616 .cse0) (+ |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1| (* 18446744073709551616 (div (+ (* (- 1) |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1|) 18446744073710786164 .cse0) 18446744073709551616))))) (= 195 |~#s_can_fail_allocator_static~0.base|) (<= 18446744073709551616 (+ |ULTIMATE.start_ensure_string_is_allocated_~len#1| (* 18446744073709551616 (div (+ 18446744073710786164 (* (- 1) |ULTIMATE.start_ensure_string_is_allocated_~len#1|)) 18446744073709551616))))) [2022-07-22 22:35:09,572 INFO L895 garLoopResultBuilder]: At program point L6803(lines 6800 6804) the Hoare annotation is: false [2022-07-22 22:35:09,573 INFO L895 garLoopResultBuilder]: At program point L9338-2(lines 9338 9344) the Hoare annotation is: (and (not (= |ULTIMATE.start_ensure_string_is_allocated_#res#1.base| 0)) (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res#1.offset| 0) (let ((.cse0 (* (div |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) 18446744073709551616))) (<= (+ 18446744073709551616 .cse0) (+ |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1| (* 18446744073709551616 (div (+ (* (- 1) |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1|) 18446744073710786164 .cse0) 18446744073709551616))))) (not (= |ULTIMATE.start_aws_string_new_from_string_harness_~source~0#1.base| 0)) (= |ULTIMATE.start_ensure_string_is_allocated_#res#1.offset| 0) (= (+ |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| (- 18446744073710786165)) 0) (let ((.cse1 (select |#memory_int| |ULTIMATE.start_aws_string_new_from_string_harness_~source~0#1.base|))) (let ((.cse2 (mod (select .cse1 (+ |ULTIMATE.start_aws_string_new_from_string_harness_~source~0#1.offset| 8)) 18446744073709551616))) (let ((.cse3 (<= .cse2 9223372036854775807))) (or (and (= (mod (select .cse1 (+ |ULTIMATE.start_aws_string_new_from_string_harness_~source~0#1.offset| 16 .cse2)) 256) 0) .cse3) (and (not .cse3) (= (mod (select .cse1 (+ |ULTIMATE.start_aws_string_new_from_string_harness_~source~0#1.offset| .cse2 (- 18446744073709551600))) 256) 0)))))) (not (= |ULTIMATE.start_ensure_string_is_allocated_~str~0#1.base| 0)) (= |ULTIMATE.start_ensure_string_is_allocated_~str~0#1.offset| 0) (not (= |ULTIMATE.start_ensure_string_is_allocated_nondet_length_#res#1.base| 0)) (not (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res#1.base| 0)) (= |ULTIMATE.start_ensure_string_is_allocated_nondet_length_#res#1.offset| 0) (not (= |ULTIMATE.start_ensure_string_is_allocated_~len#1| (+ (* (div |ULTIMATE.start_ensure_string_is_allocated_~len#1| 18446744073709551616) 18446744073709551616) 18446744073709551600))) (= |ULTIMATE.start_aws_string_new_from_string_harness_~source~0#1.offset| 0)) [2022-07-22 22:35:09,573 INFO L895 garLoopResultBuilder]: At program point L6795(lines 6793 6798) the Hoare annotation is: false [2022-07-22 22:35:09,573 INFO L902 garLoopResultBuilder]: At program point L9347(line 9347) the Hoare annotation is: true [2022-07-22 22:35:09,573 INFO L899 garLoopResultBuilder]: For program point L9343-2(line 9343) no Hoare annotation was computed. [2022-07-22 22:35:09,573 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 22:35:09,573 INFO L895 garLoopResultBuilder]: At program point L9339(line 9339) the Hoare annotation is: false [2022-07-22 22:35:09,573 INFO L899 garLoopResultBuilder]: For program point L9339-1(line 9339) no Hoare annotation was computed. [2022-07-22 22:35:09,573 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 22:35:09,574 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 22:35:09,574 INFO L895 garLoopResultBuilder]: At program point L9343(line 9343) the Hoare annotation is: false [2022-07-22 22:35:09,574 INFO L895 garLoopResultBuilder]: At program point L9343-1(line 9343) the Hoare annotation is: false [2022-07-22 22:35:09,574 INFO L895 garLoopResultBuilder]: At program point L9335(line 9335) the Hoare annotation is: false [2022-07-22 22:35:09,574 INFO L899 garLoopResultBuilder]: For program point L9335-1(line 9335) no Hoare annotation was computed. [2022-07-22 22:35:09,574 INFO L895 garLoopResultBuilder]: At program point L7110(line 7110) the Hoare annotation is: false [2022-07-22 22:35:09,574 INFO L895 garLoopResultBuilder]: At program point L7106(line 7106) the Hoare annotation is: false [2022-07-22 22:35:09,574 INFO L899 garLoopResultBuilder]: For program point L7110-1(line 7110) no Hoare annotation was computed. [2022-07-22 22:35:09,574 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 22:35:09,574 INFO L895 garLoopResultBuilder]: At program point L9340(line 9340) the Hoare annotation is: false [2022-07-22 22:35:09,574 INFO L899 garLoopResultBuilder]: For program point L9340-1(line 9340) no Hoare annotation was computed. [2022-07-22 22:35:09,575 INFO L899 garLoopResultBuilder]: For program point L7106-1(line 7106) no Hoare annotation was computed. [2022-07-22 22:35:09,575 INFO L899 garLoopResultBuilder]: For program point L9332(line 9332) no Hoare annotation was computed. [2022-07-22 22:35:09,575 INFO L895 garLoopResultBuilder]: At program point L9332-2(line 9332) the Hoare annotation is: false [2022-07-22 22:35:09,575 INFO L899 garLoopResultBuilder]: For program point L6801-1(line 6801) no Hoare annotation was computed. [2022-07-22 22:35:09,575 INFO L895 garLoopResultBuilder]: At program point L6801(line 6801) the Hoare annotation is: (and (= 195 |~#s_can_fail_allocator_static~0.base|) (= (+ |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| (- 18446744073710786165)) 0)) [2022-07-22 22:35:09,575 INFO L899 garLoopResultBuilder]: For program point L9332-3(line 9332) no Hoare annotation was computed. [2022-07-22 22:35:09,575 INFO L899 garLoopResultBuilder]: For program point L9332-4(line 9332) no Hoare annotation was computed. [2022-07-22 22:35:09,575 INFO L899 garLoopResultBuilder]: For program point L7107-1(lines 7107 7109) no Hoare annotation was computed. [2022-07-22 22:35:09,575 INFO L895 garLoopResultBuilder]: At program point L7107(lines 7107 7109) the Hoare annotation is: false [2022-07-22 22:35:09,575 INFO L895 garLoopResultBuilder]: At program point L9341(line 9341) the Hoare annotation is: false [2022-07-22 22:35:09,575 INFO L899 garLoopResultBuilder]: For program point L9341-1(line 9341) no Hoare annotation was computed. [2022-07-22 22:35:09,575 INFO L895 garLoopResultBuilder]: At program point L6810(line 6810) the Hoare annotation is: false [2022-07-22 22:35:09,575 INFO L895 garLoopResultBuilder]: At program point L9345(line 9345) the Hoare annotation is: (= |ULTIMATE.start_aws_string_new_from_string_harness_#t~ret1329#1| 1) [2022-07-22 22:35:09,575 INFO L899 garLoopResultBuilder]: For program point L7099(lines 7099 7112) no Hoare annotation was computed. [2022-07-22 22:35:09,575 INFO L899 garLoopResultBuilder]: For program point L9345-1(line 9345) no Hoare annotation was computed. [2022-07-22 22:35:09,575 INFO L899 garLoopResultBuilder]: For program point L6810-3(line 6810) no Hoare annotation was computed. [2022-07-22 22:35:09,575 INFO L895 garLoopResultBuilder]: At program point L6810-2(line 6810) the Hoare annotation is: false [2022-07-22 22:35:09,575 INFO L899 garLoopResultBuilder]: For program point L6810-1(lines 6810 6811) no Hoare annotation was computed. [2022-07-22 22:35:09,575 INFO L895 garLoopResultBuilder]: At program point L6802(line 6802) the Hoare annotation is: (and (= 195 |~#s_can_fail_allocator_static~0.base|) (= (+ |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| (- 18446744073710786165)) 0)) [2022-07-22 22:35:09,575 INFO L899 garLoopResultBuilder]: For program point L6810-5(lines 6810 6811) no Hoare annotation was computed. [2022-07-22 22:35:09,575 INFO L899 garLoopResultBuilder]: For program point L6802-1(line 6802) no Hoare annotation was computed. [2022-07-22 22:35:09,576 INFO L899 garLoopResultBuilder]: For program point L9329(lines 9329 9346) no Hoare annotation was computed. [2022-07-22 22:35:09,576 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-07-22 22:35:09,576 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-07-22 22:35:09,576 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-07-22 22:35:09,576 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-07-22 22:35:09,576 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-07-22 22:35:09,576 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-07-22 22:35:09,579 INFO L356 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:35:09,580 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 22:35:09,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 10:35:09 BoogieIcfgContainer [2022-07-22 22:35:09,619 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 22:35:09,620 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 22:35:09,620 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 22:35:09,620 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 22:35:09,620 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:34:38" (3/4) ... [2022-07-22 22:35:09,622 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 22:35:09,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2022-07-22 22:35:09,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-07-22 22:35:09,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_acquire [2022-07-22 22:35:09,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_new_from_array [2022-07-22 22:35:09,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-07-22 22:35:09,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2022-07-22 22:35:09,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-07-22 22:35:09,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2022-07-22 22:35:09,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-07-22 22:35:09,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2022-07-22 22:35:09,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_allocator_is_valid [2022-07-22 22:35:09,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_add_size_checked [2022-07-22 22:35:09,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-07-22 22:35:09,627 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-07-22 22:35:09,627 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_plus [2022-07-22 22:35:09,627 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_new_from_string [2022-07-22 22:35:09,648 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 154 nodes and edges [2022-07-22 22:35:09,650 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2022-07-22 22:35:09,651 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-07-22 22:35:09,652 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-07-22 22:35:09,653 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-07-22 22:35:09,654 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-07-22 22:35:09,654 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 22:35:09,655 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 22:35:09,987 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 22:35:09,988 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 22:35:09,988 INFO L158 Benchmark]: Toolchain (without parser) took 34866.35ms. Allocated memory was 132.1MB in the beginning and 488.6MB in the end (delta: 356.5MB). Free memory was 92.6MB in the beginning and 371.4MB in the end (delta: -278.7MB). Peak memory consumption was 332.4MB. Max. memory is 16.1GB. [2022-07-22 22:35:09,988 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 94.4MB. Free memory is still 57.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 22:35:09,989 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1724.48ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 92.4MB in the beginning and 91.6MB in the end (delta: 837.4kB). Peak memory consumption was 60.6MB. Max. memory is 16.1GB. [2022-07-22 22:35:09,989 INFO L158 Benchmark]: Boogie Procedure Inliner took 158.65ms. Allocated memory is still 176.2MB. Free memory was 91.6MB in the beginning and 80.3MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-22 22:35:09,989 INFO L158 Benchmark]: Boogie Preprocessor took 97.61ms. Allocated memory is still 176.2MB. Free memory was 80.3MB in the beginning and 117.9MB in the end (delta: -37.6MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2022-07-22 22:35:09,989 INFO L158 Benchmark]: RCFGBuilder took 1020.72ms. Allocated memory was 176.2MB in the beginning and 249.6MB in the end (delta: 73.4MB). Free memory was 117.9MB in the beginning and 146.3MB in the end (delta: -28.5MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2022-07-22 22:35:09,990 INFO L158 Benchmark]: TraceAbstraction took 31491.26ms. Allocated memory was 249.6MB in the beginning and 488.6MB in the end (delta: 239.1MB). Free memory was 146.3MB in the beginning and 211.3MB in the end (delta: -65.0MB). Peak memory consumption was 173.1MB. Max. memory is 16.1GB. [2022-07-22 22:35:09,990 INFO L158 Benchmark]: Witness Printer took 368.11ms. Allocated memory is still 488.6MB. Free memory was 211.3MB in the beginning and 371.4MB in the end (delta: -160.1MB). Peak memory consumption was 93.7MB. Max. memory is 16.1GB. [2022-07-22 22:35:09,991 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 is still 57.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1724.48ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 92.4MB in the beginning and 91.6MB in the end (delta: 837.4kB). Peak memory consumption was 60.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 158.65ms. Allocated memory is still 176.2MB. Free memory was 91.6MB in the beginning and 80.3MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.61ms. Allocated memory is still 176.2MB. Free memory was 80.3MB in the beginning and 117.9MB in the end (delta: -37.6MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1020.72ms. Allocated memory was 176.2MB in the beginning and 249.6MB in the end (delta: 73.4MB). Free memory was 117.9MB in the beginning and 146.3MB in the end (delta: -28.5MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. * TraceAbstraction took 31491.26ms. Allocated memory was 249.6MB in the beginning and 488.6MB in the end (delta: 239.1MB). Free memory was 146.3MB in the beginning and 211.3MB in the end (delta: -65.0MB). Peak memory consumption was 173.1MB. Max. memory is 16.1GB. * Witness Printer took 368.11ms. Allocated memory is still 488.6MB. Free memory was 211.3MB in the beginning and 371.4MB in the end (delta: -160.1MB). Peak memory consumption was 93.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 17 procedures, 153 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.4s, OverallIterations: 11, TraceHistogramMax: 7, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 12.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2145 SdHoareTripleChecker+Valid, 8.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1987 mSDsluCounter, 9895 SdHoareTripleChecker+Invalid, 7.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1033 IncrementalHoareTripleChecker+Unchecked, 8181 mSDsCounter, 1551 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10657 IncrementalHoareTripleChecker+Invalid, 13241 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1551 mSolverCounterUnsat, 1714 mSDtfsCounter, 10657 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 971 GetRequests, 662 SyntacticMatches, 5 SemanticMatches, 304 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2823 ImplicationChecksByTransitivity, 12.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=205occurred in iteration=6, InterpolantAutomatonStates: 179, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 374 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 321 PreInvPairs, 327 NumberOfFragments, 288 HoareAnnotationTreeSize, 321 FomulaSimplifications, 2528 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 62 FomulaSimplificationsInter, 149 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 15.6s InterpolantComputationTime, 1552 NumberOfCodeBlocks, 1552 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1538 ConstructedInterpolants, 33 QuantifiedInterpolants, 8163 SizeOfPredicates, 82 NumberOfNonLiveVariables, 8228 ConjunctsInSsa, 260 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 751/823 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 1 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6793]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8985]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9347]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6800]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-07-22 22:35:10,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE