./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_comparator_string_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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_array_list_comparator_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 4ed07f4e0ea596aa18bb1f969a7cd7a46fb7ca4022e0f40df55654d88ab6e7f3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 09:22:29,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 09:22:29,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 09:22:29,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 09:22:29,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 09:22:29,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 09:22:29,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 09:22:29,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 09:22:29,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 09:22:29,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 09:22:29,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 09:22:29,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 09:22:29,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 09:22:29,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 09:22:29,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 09:22:29,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 09:22:29,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 09:22:29,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 09:22:29,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 09:22:29,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 09:22:29,154 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 09:22:29,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 09:22:29,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 09:22:29,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 09:22:29,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 09:22:29,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 09:22:29,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 09:22:29,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 09:22:29,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 09:22:29,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 09:22:29,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 09:22:29,170 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 09:22:29,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 09:22:29,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 09:22:29,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 09:22:29,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 09:22:29,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 09:22:29,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 09:22:29,175 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 09:22:29,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 09:22:29,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 09:22:29,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 09:22:29,185 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 09:22:29,217 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 09:22:29,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 09:22:29,218 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 09:22:29,218 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 09:22:29,219 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 09:22:29,219 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 09:22:29,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 09:22:29,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 09:22:29,220 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 09:22:29,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 09:22:29,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 09:22:29,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 09:22:29,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 09:22:29,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 09:22:29,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 09:22:29,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 09:22:29,222 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 09:22:29,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 09:22:29,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 09:22:29,223 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 09:22:29,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 09:22:29,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 09:22:29,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 09:22:29,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 09:22:29,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 09:22:29,224 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 09:22:29,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 09:22:29,224 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 09:22:29,224 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 09:22:29,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 09:22:29,225 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ed07f4e0ea596aa18bb1f969a7cd7a46fb7ca4022e0f40df55654d88ab6e7f3 [2022-07-21 09:22:29,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 09:22:29,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 09:22:29,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 09:22:29,572 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 09:22:29,573 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 09:22:29,574 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_comparator_string_harness.i [2022-07-21 09:22:29,647 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/256560473/3f0612a297d448a4952a0a2f22738474/FLAG901f5b7c7 [2022-07-21 09:22:30,340 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 09:22:30,340 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_comparator_string_harness.i [2022-07-21 09:22:30,376 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/256560473/3f0612a297d448a4952a0a2f22738474/FLAG901f5b7c7 [2022-07-21 09:22:30,423 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/256560473/3f0612a297d448a4952a0a2f22738474 [2022-07-21 09:22:30,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 09:22:30,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 09:22:30,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 09:22:30,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 09:22:30,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 09:22:30,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:22:30" (1/1) ... [2022-07-21 09:22:30,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7af199ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:30, skipping insertion in model container [2022-07-21 09:22:30,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:22:30" (1/1) ... [2022-07-21 09:22:30,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 09:22:30,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 09:22:30,870 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_array_list_comparator_string_harness.i[4506,4519] [2022-07-21 09:22:30,877 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_array_list_comparator_string_harness.i[4566,4579] [2022-07-21 09:22:31,715 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:31,716 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:31,717 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:31,718 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:31,718 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:31,730 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:31,730 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:31,732 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:31,733 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:31,734 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:31,735 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:31,736 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:31,736 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:31,986 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-21 09:22:31,988 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-21 09:22:31,988 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-21 09:22:31,989 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-21 09:22:31,990 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-21 09:22:31,991 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-21 09:22:31,991 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-21 09:22:31,992 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-21 09:22:31,992 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-21 09:22:31,993 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-21 09:22:32,102 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-21 09:22:32,119 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:32,124 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:32,198 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:32,198 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:32,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 09:22:32,362 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 09:22:32,383 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_array_list_comparator_string_harness.i[4506,4519] [2022-07-21 09:22:32,383 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_array_list_comparator_string_harness.i[4566,4579] [2022-07-21 09:22:32,416 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:32,416 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:32,417 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:32,417 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:32,418 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:32,422 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:32,423 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:32,423 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:32,424 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:32,424 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:32,425 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:32,425 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:32,425 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:32,456 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-21 09:22:32,458 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-21 09:22:32,458 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-21 09:22:32,459 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-21 09:22:32,459 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-21 09:22:32,460 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-21 09:22:32,460 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-21 09:22:32,461 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-21 09:22:32,461 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-21 09:22:32,461 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-21 09:22:32,505 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-21 09:22:32,518 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:32,522 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:32,563 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:32,564 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:32,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 09:22:32,779 INFO L208 MainTranslator]: Completed translation [2022-07-21 09:22:32,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:32 WrapperNode [2022-07-21 09:22:32,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 09:22:32,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 09:22:32,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 09:22:32,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 09:22:32,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:32" (1/1) ... [2022-07-21 09:22:32,885 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:32" (1/1) ... [2022-07-21 09:22:32,946 INFO L137 Inliner]: procedures = 695, calls = 3019, calls flagged for inlining = 67, calls inlined = 7, statements flattened = 907 [2022-07-21 09:22:32,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 09:22:32,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 09:22:32,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 09:22:32,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 09:22:32,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:32" (1/1) ... [2022-07-21 09:22:32,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:32" (1/1) ... [2022-07-21 09:22:32,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:32" (1/1) ... [2022-07-21 09:22:32,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:32" (1/1) ... [2022-07-21 09:22:33,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:32" (1/1) ... [2022-07-21 09:22:33,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:32" (1/1) ... [2022-07-21 09:22:33,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:32" (1/1) ... [2022-07-21 09:22:33,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 09:22:33,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 09:22:33,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 09:22:33,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 09:22:33,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:32" (1/1) ... [2022-07-21 09:22:33,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 09:22:33,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:22:33,088 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) [2022-07-21 09:22:33,116 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 [2022-07-21 09:22:33,133 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-07-21 09:22:33,133 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-07-21 09:22:33,133 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2022-07-21 09:22:33,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2022-07-21 09:22:33,134 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-21 09:22:33,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 09:22:33,134 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-07-21 09:22:33,134 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-07-21 09:22:33,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 09:22:33,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-07-21 09:22:33,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-07-21 09:22:33,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 09:22:33,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 09:22:33,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 09:22:33,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 09:22:33,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 09:22:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-07-21 09:22:33,137 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-07-21 09:22:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 09:22:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2022-07-21 09:22:33,137 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2022-07-21 09:22:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 09:22:33,137 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 09:22:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 09:22:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 09:22:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 09:22:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-07-21 09:22:33,138 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-07-21 09:22:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-07-21 09:22:33,138 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-07-21 09:22:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 09:22:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 09:22:33,434 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 09:22:33,437 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 09:22:34,646 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 09:22:34,653 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 09:22:34,654 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 09:22:34,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:22:34 BoogieIcfgContainer [2022-07-21 09:22:34,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 09:22:34,658 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 09:22:34,658 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 09:22:34,661 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 09:22:34,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 09:22:30" (1/3) ... [2022-07-21 09:22:34,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b03c857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 09:22:34, skipping insertion in model container [2022-07-21 09:22:34,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:32" (2/3) ... [2022-07-21 09:22:34,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b03c857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 09:22:34, skipping insertion in model container [2022-07-21 09:22:34,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:22:34" (3/3) ... [2022-07-21 09:22:34,664 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_comparator_string_harness.i [2022-07-21 09:22:34,678 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 09:22:34,678 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 09:22:34,743 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 09:22:34,749 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@15a6f411, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@397b6011 [2022-07-21 09:22:34,750 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 09:22:34,757 INFO L276 IsEmpty]: Start isEmpty. Operand has 116 states, 78 states have (on average 1.3076923076923077) internal successors, (102), 79 states have internal predecessors, (102), 27 states have call successors, (27), 9 states have call predecessors, (27), 9 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2022-07-21 09:22:34,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-07-21 09:22:34,767 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:22:34,768 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-07-21 09:22:34,769 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:22:34,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:22:34,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1328878926, now seen corresponding path program 1 times [2022-07-21 09:22:34,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:22:34,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530520339] [2022-07-21 09:22:34,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:22:34,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:22:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:35,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:22:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:35,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:35,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 09:22:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:35,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 09:22:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:35,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:35,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 09:22:35,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:35,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 09:22:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:35,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-21 09:22:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:35,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 09:22:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:35,520 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-21 09:22:35,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:22:35,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530520339] [2022-07-21 09:22:35,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530520339] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:22:35,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:22:35,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 09:22:35,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744359301] [2022-07-21 09:22:35,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:22:35,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 09:22:35,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:22:35,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 09:22:35,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-21 09:22:35,552 INFO L87 Difference]: Start difference. First operand has 116 states, 78 states have (on average 1.3076923076923077) internal successors, (102), 79 states have internal predecessors, (102), 27 states have call successors, (27), 9 states have call predecessors, (27), 9 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-21 09:22:35,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:22:35,802 INFO L93 Difference]: Finished difference Result 229 states and 323 transitions. [2022-07-21 09:22:35,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 09:22:35,804 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2022-07-21 09:22:35,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:22:35,813 INFO L225 Difference]: With dead ends: 229 [2022-07-21 09:22:35,813 INFO L226 Difference]: Without dead ends: 109 [2022-07-21 09:22:35,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-21 09:22:35,820 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 58 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 09:22:35,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 214 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 09:22:35,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-07-21 09:22:35,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2022-07-21 09:22:35,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 72 states have (on average 1.2638888888888888) internal successors, (91), 73 states have internal predecessors, (91), 27 states have call successors, (27), 9 states have call predecessors, (27), 9 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2022-07-21 09:22:35,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 144 transitions. [2022-07-21 09:22:35,863 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 144 transitions. Word has length 63 [2022-07-21 09:22:35,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:22:35,865 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 144 transitions. [2022-07-21 09:22:35,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-21 09:22:35,865 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 144 transitions. [2022-07-21 09:22:35,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-07-21 09:22:35,868 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:22:35,868 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-07-21 09:22:35,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 09:22:35,869 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:22:35,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:22:35,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1839926738, now seen corresponding path program 1 times [2022-07-21 09:22:35,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:22:35,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396460871] [2022-07-21 09:22:35,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:22:35,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:22:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:36,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:22:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:36,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:36,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 09:22:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:36,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 09:22:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:36,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:36,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 09:22:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:36,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 09:22:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:36,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-21 09:22:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:36,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 09:22:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:36,433 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-21 09:22:36,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:22:36,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396460871] [2022-07-21 09:22:36,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396460871] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:22:36,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:22:36,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-21 09:22:36,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406169001] [2022-07-21 09:22:36,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:22:36,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-21 09:22:36,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:22:36,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-21 09:22:36,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-21 09:22:36,437 INFO L87 Difference]: Start difference. First operand 109 states and 144 transitions. Second operand has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 10 states have internal predecessors, (35), 5 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2022-07-21 09:22:37,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:22:37,167 INFO L93 Difference]: Finished difference Result 209 states and 292 transitions. [2022-07-21 09:22:37,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 09:22:37,168 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 10 states have internal predecessors, (35), 5 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 63 [2022-07-21 09:22:37,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:22:37,171 INFO L225 Difference]: With dead ends: 209 [2022-07-21 09:22:37,171 INFO L226 Difference]: Without dead ends: 186 [2022-07-21 09:22:37,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2022-07-21 09:22:37,172 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 395 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 09:22:37,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 565 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 09:22:37,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2022-07-21 09:22:37,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 112. [2022-07-21 09:22:37,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 75 states have (on average 1.2666666666666666) internal successors, (95), 76 states have internal predecessors, (95), 27 states have call successors, (27), 9 states have call predecessors, (27), 9 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2022-07-21 09:22:37,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 148 transitions. [2022-07-21 09:22:37,189 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 148 transitions. Word has length 63 [2022-07-21 09:22:37,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:22:37,190 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 148 transitions. [2022-07-21 09:22:37,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 10 states have internal predecessors, (35), 5 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2022-07-21 09:22:37,190 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 148 transitions. [2022-07-21 09:22:37,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-07-21 09:22:37,191 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:22:37,192 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-07-21 09:22:37,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 09:22:37,192 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:22:37,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:22:37,193 INFO L85 PathProgramCache]: Analyzing trace with hash 2062013548, now seen corresponding path program 1 times [2022-07-21 09:22:37,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:22:37,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587992483] [2022-07-21 09:22:37,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:22:37,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:22:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:37,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:22:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:37,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:37,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 09:22:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:37,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 09:22:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:37,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:37,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 09:22:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:37,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 09:22:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:37,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-21 09:22:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:37,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 09:22:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:37,482 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-21 09:22:37,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:22:37,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587992483] [2022-07-21 09:22:37,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587992483] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:22:37,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:22:37,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 09:22:37,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815671627] [2022-07-21 09:22:37,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:22:37,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 09:22:37,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:22:37,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 09:22:37,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-21 09:22:37,485 INFO L87 Difference]: Start difference. First operand 112 states and 148 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 6 states have internal predecessors, (35), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-21 09:22:37,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:22:37,922 INFO L93 Difference]: Finished difference Result 209 states and 291 transitions. [2022-07-21 09:22:37,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 09:22:37,923 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 6 states have internal predecessors, (35), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2022-07-21 09:22:37,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:22:37,927 INFO L225 Difference]: With dead ends: 209 [2022-07-21 09:22:37,927 INFO L226 Difference]: Without dead ends: 186 [2022-07-21 09:22:37,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-07-21 09:22:37,930 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 225 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 09:22:37,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 565 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 09:22:37,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2022-07-21 09:22:37,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 112. [2022-07-21 09:22:37,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 75 states have (on average 1.2666666666666666) internal successors, (95), 76 states have internal predecessors, (95), 27 states have call successors, (27), 9 states have call predecessors, (27), 9 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2022-07-21 09:22:37,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 148 transitions. [2022-07-21 09:22:37,962 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 148 transitions. Word has length 63 [2022-07-21 09:22:37,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:22:37,963 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 148 transitions. [2022-07-21 09:22:37,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 6 states have internal predecessors, (35), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-21 09:22:37,964 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 148 transitions. [2022-07-21 09:22:37,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-07-21 09:22:37,969 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:22:37,970 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-07-21 09:22:37,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 09:22:37,970 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:22:37,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:22:37,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1138862160, now seen corresponding path program 1 times [2022-07-21 09:22:37,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:22:37,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354892980] [2022-07-21 09:22:37,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:22:37,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:22:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:38,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:22:38,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:38,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:38,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 09:22:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:38,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 09:22:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:38,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:38,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 09:22:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:38,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 09:22:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:38,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-21 09:22:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:38,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 09:22:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:38,287 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-21 09:22:38,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:22:38,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354892980] [2022-07-21 09:22:38,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354892980] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:22:38,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:22:38,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 09:22:38,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550452149] [2022-07-21 09:22:38,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:22:38,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 09:22:38,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:22:38,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 09:22:38,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-21 09:22:38,290 INFO L87 Difference]: Start difference. First operand 112 states and 148 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 6 states have internal predecessors, (35), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-21 09:22:38,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:22:38,864 INFO L93 Difference]: Finished difference Result 209 states and 291 transitions. [2022-07-21 09:22:38,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 09:22:38,865 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 6 states have internal predecessors, (35), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2022-07-21 09:22:38,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:22:38,866 INFO L225 Difference]: With dead ends: 209 [2022-07-21 09:22:38,867 INFO L226 Difference]: Without dead ends: 186 [2022-07-21 09:22:38,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-07-21 09:22:38,868 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 254 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 09:22:38,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 651 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 09:22:38,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2022-07-21 09:22:38,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 112. [2022-07-21 09:22:38,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 75 states have (on average 1.2666666666666666) internal successors, (95), 76 states have internal predecessors, (95), 27 states have call successors, (27), 9 states have call predecessors, (27), 9 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2022-07-21 09:22:38,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 148 transitions. [2022-07-21 09:22:38,881 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 148 transitions. Word has length 63 [2022-07-21 09:22:38,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:22:38,881 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 148 transitions. [2022-07-21 09:22:38,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 6 states have internal predecessors, (35), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-21 09:22:38,882 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 148 transitions. [2022-07-21 09:22:38,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-07-21 09:22:38,882 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:22:38,883 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-07-21 09:22:38,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 09:22:38,883 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:22:38,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:22:38,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1531889170, now seen corresponding path program 1 times [2022-07-21 09:22:38,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:22:38,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185892152] [2022-07-21 09:22:38,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:22:38,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:22:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:39,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:22:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:39,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:39,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 09:22:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:39,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 09:22:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:39,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:39,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 09:22:39,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:39,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 09:22:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:39,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-21 09:22:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:39,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 09:22:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:39,119 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-21 09:22:39,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:22:39,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185892152] [2022-07-21 09:22:39,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185892152] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:22:39,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:22:39,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 09:22:39,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617827732] [2022-07-21 09:22:39,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:22:39,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 09:22:39,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:22:39,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 09:22:39,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 09:22:39,122 INFO L87 Difference]: Start difference. First operand 112 states and 148 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-07-21 09:22:39,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:22:39,375 INFO L93 Difference]: Finished difference Result 167 states and 224 transitions. [2022-07-21 09:22:39,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 09:22:39,376 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 63 [2022-07-21 09:22:39,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:22:39,378 INFO L225 Difference]: With dead ends: 167 [2022-07-21 09:22:39,378 INFO L226 Difference]: Without dead ends: 139 [2022-07-21 09:22:39,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 09:22:39,379 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 62 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 09:22:39,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 428 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 09:22:39,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2022-07-21 09:22:39,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 137. [2022-07-21 09:22:39,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 90 states have (on average 1.2444444444444445) internal successors, (112), 92 states have internal predecessors, (112), 37 states have call successors, (37), 9 states have call predecessors, (37), 9 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2022-07-21 09:22:39,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 184 transitions. [2022-07-21 09:22:39,395 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 184 transitions. Word has length 63 [2022-07-21 09:22:39,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:22:39,395 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 184 transitions. [2022-07-21 09:22:39,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-07-21 09:22:39,396 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 184 transitions. [2022-07-21 09:22:39,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-07-21 09:22:39,397 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:22:39,397 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-07-21 09:22:39,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 09:22:39,398 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:22:39,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:22:39,398 INFO L85 PathProgramCache]: Analyzing trace with hash -103923128, now seen corresponding path program 1 times [2022-07-21 09:22:39,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:22:39,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007707101] [2022-07-21 09:22:39,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:22:39,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:22:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:39,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:22:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:39,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:39,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:39,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 09:22:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:39,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 09:22:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:39,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:39,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 09:22:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:39,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 09:22:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:39,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-21 09:22:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:39,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 09:22:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:39,690 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-21 09:22:39,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:22:39,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007707101] [2022-07-21 09:22:39,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007707101] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:22:39,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:22:39,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 09:22:39,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538699639] [2022-07-21 09:22:39,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:22:39,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 09:22:39,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:22:39,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 09:22:39,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-21 09:22:39,693 INFO L87 Difference]: Start difference. First operand 137 states and 184 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-21 09:22:39,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:22:39,994 INFO L93 Difference]: Finished difference Result 160 states and 207 transitions. [2022-07-21 09:22:39,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 09:22:39,999 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 64 [2022-07-21 09:22:40,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:22:40,003 INFO L225 Difference]: With dead ends: 160 [2022-07-21 09:22:40,003 INFO L226 Difference]: Without dead ends: 137 [2022-07-21 09:22:40,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-07-21 09:22:40,005 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 163 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 09:22:40,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 334 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 09:22:40,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-07-21 09:22:40,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2022-07-21 09:22:40,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 90 states have (on average 1.2333333333333334) internal successors, (111), 92 states have internal predecessors, (111), 37 states have call successors, (37), 9 states have call predecessors, (37), 9 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2022-07-21 09:22:40,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 183 transitions. [2022-07-21 09:22:40,035 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 183 transitions. Word has length 64 [2022-07-21 09:22:40,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:22:40,035 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 183 transitions. [2022-07-21 09:22:40,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-21 09:22:40,035 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 183 transitions. [2022-07-21 09:22:40,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-07-21 09:22:40,037 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:22:40,037 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-07-21 09:22:40,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 09:22:40,038 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:22:40,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:22:40,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1998268983, now seen corresponding path program 1 times [2022-07-21 09:22:40,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:22:40,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768598881] [2022-07-21 09:22:40,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:22:40,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:22:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:40,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:22:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:40,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:40,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 09:22:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:40,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 09:22:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:40,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:40,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 09:22:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:40,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 09:22:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:40,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-21 09:22:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:40,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 09:22:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:40,283 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-21 09:22:40,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:22:40,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768598881] [2022-07-21 09:22:40,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768598881] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:22:40,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:22:40,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 09:22:40,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230961500] [2022-07-21 09:22:40,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:22:40,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 09:22:40,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:22:40,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 09:22:40,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-21 09:22:40,286 INFO L87 Difference]: Start difference. First operand 137 states and 183 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-21 09:22:40,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:22:40,624 INFO L93 Difference]: Finished difference Result 229 states and 310 transitions. [2022-07-21 09:22:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 09:22:40,624 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 65 [2022-07-21 09:22:40,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:22:40,626 INFO L225 Difference]: With dead ends: 229 [2022-07-21 09:22:40,626 INFO L226 Difference]: Without dead ends: 206 [2022-07-21 09:22:40,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-07-21 09:22:40,627 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 154 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 09:22:40,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 543 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 09:22:40,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-07-21 09:22:40,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 141. [2022-07-21 09:22:40,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 94 states have (on average 1.2234042553191489) internal successors, (115), 96 states have internal predecessors, (115), 37 states have call successors, (37), 9 states have call predecessors, (37), 9 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2022-07-21 09:22:40,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 187 transitions. [2022-07-21 09:22:40,640 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 187 transitions. Word has length 65 [2022-07-21 09:22:40,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:22:40,640 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 187 transitions. [2022-07-21 09:22:40,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-21 09:22:40,640 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 187 transitions. [2022-07-21 09:22:40,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-07-21 09:22:40,641 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:22:40,641 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-07-21 09:22:40,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 09:22:40,642 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:22:40,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:22:40,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1740103545, now seen corresponding path program 1 times [2022-07-21 09:22:40,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:22:40,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647558994] [2022-07-21 09:22:40,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:22:40,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:22:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:40,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:22:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:40,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:40,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 09:22:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:40,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 09:22:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:40,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:40,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 09:22:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:40,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 09:22:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:40,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-21 09:22:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:40,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 09:22:40,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:40,855 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-21 09:22:40,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:22:40,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647558994] [2022-07-21 09:22:40,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647558994] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:22:40,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:22:40,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 09:22:40,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999944008] [2022-07-21 09:22:40,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:22:40,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 09:22:40,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:22:40,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 09:22:40,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 09:22:40,858 INFO L87 Difference]: Start difference. First operand 141 states and 187 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-07-21 09:22:41,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:22:41,091 INFO L93 Difference]: Finished difference Result 164 states and 210 transitions. [2022-07-21 09:22:41,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 09:22:41,092 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 65 [2022-07-21 09:22:41,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:22:41,093 INFO L225 Difference]: With dead ends: 164 [2022-07-21 09:22:41,093 INFO L226 Difference]: Without dead ends: 141 [2022-07-21 09:22:41,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-21 09:22:41,094 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 30 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 09:22:41,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 410 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 09:22:41,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2022-07-21 09:22:41,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 137. [2022-07-21 09:22:41,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 90 states have (on average 1.2222222222222223) internal successors, (110), 92 states have internal predecessors, (110), 37 states have call successors, (37), 9 states have call predecessors, (37), 9 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2022-07-21 09:22:41,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 182 transitions. [2022-07-21 09:22:41,104 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 182 transitions. Word has length 65 [2022-07-21 09:22:41,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:22:41,105 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 182 transitions. [2022-07-21 09:22:41,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-07-21 09:22:41,105 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 182 transitions. [2022-07-21 09:22:41,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-07-21 09:22:41,106 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:22:41,106 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 09:22:41,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 09:22:41,107 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:22:41,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:22:41,107 INFO L85 PathProgramCache]: Analyzing trace with hash -956508146, now seen corresponding path program 1 times [2022-07-21 09:22:41,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:22:41,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628996135] [2022-07-21 09:22:41,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:22:41,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:22:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:41,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:22:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:41,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:41,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 09:22:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:41,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 09:22:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:41,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:41,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 09:22:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:41,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 09:22:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:41,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-21 09:22:41,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:41,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 09:22:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:41,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 09:22:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:41,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 09:22:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:41,705 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-21 09:22:41,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:22:41,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628996135] [2022-07-21 09:22:41,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628996135] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 09:22:41,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403041402] [2022-07-21 09:22:41,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:22:41,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:22:41,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:22:41,711 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) [2022-07-21 09:22:41,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 09:22:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:42,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 2641 conjuncts, 42 conjunts are in the unsatisfiable core [2022-07-21 09:22:42,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:22:43,247 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-07-21 09:22:43,248 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 14 [2022-07-21 09:22:43,341 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-07-21 09:22:43,341 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 09:22:43,984 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-07-21 09:22:44,055 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-21 09:22:44,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403041402] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 09:22:44,056 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 09:22:44,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 17] total 40 [2022-07-21 09:22:44,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418919391] [2022-07-21 09:22:44,056 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 09:22:44,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-07-21 09:22:44,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:22:44,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-07-21 09:22:44,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1443, Unknown=0, NotChecked=0, Total=1560 [2022-07-21 09:22:44,058 INFO L87 Difference]: Start difference. First operand 137 states and 182 transitions. Second operand has 40 states, 34 states have (on average 3.235294117647059) internal successors, (110), 32 states have internal predecessors, (110), 14 states have call successors, (29), 7 states have call predecessors, (29), 9 states have return successors, (26), 12 states have call predecessors, (26), 12 states have call successors, (26) [2022-07-21 09:22:44,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:22:44,686 INFO L93 Difference]: Finished difference Result 170 states and 216 transitions. [2022-07-21 09:22:44,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 09:22:44,687 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 34 states have (on average 3.235294117647059) internal successors, (110), 32 states have internal predecessors, (110), 14 states have call successors, (29), 7 states have call predecessors, (29), 9 states have return successors, (26), 12 states have call predecessors, (26), 12 states have call successors, (26) Word has length 81 [2022-07-21 09:22:44,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:22:44,687 INFO L225 Difference]: With dead ends: 170 [2022-07-21 09:22:44,687 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 09:22:44,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 148 SyntacticMatches, 10 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=206, Invalid=2446, Unknown=0, NotChecked=0, Total=2652 [2022-07-21 09:22:44,689 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 59 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 74 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 09:22:44,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 283 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 422 Invalid, 0 Unknown, 74 Unchecked, 0.3s Time] [2022-07-21 09:22:44,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 09:22:44,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 09:22:44,690 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) [2022-07-21 09:22:44,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 09:22:44,691 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 81 [2022-07-21 09:22:44,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:22:44,691 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 09:22:44,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 34 states have (on average 3.235294117647059) internal successors, (110), 32 states have internal predecessors, (110), 14 states have call successors, (29), 7 states have call predecessors, (29), 9 states have return successors, (26), 12 states have call predecessors, (26), 12 states have call successors, (26) [2022-07-21 09:22:44,691 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 09:22:44,691 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 09:22:44,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 09:22:44,715 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-21 09:22:44,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:22:44,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 09:22:45,190 INFO L899 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthEXIT(lines 6849 6853) no Hoare annotation was computed. [2022-07-21 09:22:45,190 INFO L899 garLoopResultBuilder]: For program point L6850-1(line 6850) no Hoare annotation was computed. [2022-07-21 09:22:45,190 INFO L895 garLoopResultBuilder]: At program point ensure_string_is_allocated_bounded_lengthENTRY(lines 6849 6853) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-07-21 09:22:45,191 INFO L895 garLoopResultBuilder]: At program point L6864(lines 6855 6865) the Hoare annotation is: (let ((.cse0 (@diff |old(#valid)| |#valid|))) (and (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= (+ (- 16) |ensure_string_is_allocated_bounded_length_~max_size#1|) 0)) (or (= (select |old(#valid)| .cse0) 0) (= |old(#valid)| |#valid|)) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_#res#1.base| 0)) (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16)) (= (store |old(#valid)| .cse0 (select |#valid| .cse0)) |#valid|))) [2022-07-21 09:22:45,191 INFO L899 garLoopResultBuilder]: For program point L6859-1(lines 6859 6860) no Hoare annotation was computed. [2022-07-21 09:22:45,191 INFO L895 garLoopResultBuilder]: At program point L6859(line 6859) the Hoare annotation is: (let ((.cse0 (@diff |old(#valid)| |#valid|))) (and (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= (+ (- 16) |ensure_string_is_allocated_bounded_length_~max_size#1|) 0)) (or (= (select |old(#valid)| .cse0) 0) (= |old(#valid)| |#valid|)) (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16)) (= (store |old(#valid)| .cse0 (select |#valid| .cse0)) |#valid|))) [2022-07-21 09:22:45,191 INFO L899 garLoopResultBuilder]: For program point L6859-5(lines 6859 6860) no Hoare annotation was computed. [2022-07-21 09:22:45,191 INFO L899 garLoopResultBuilder]: For program point L6856-1(line 6856) no Hoare annotation was computed. [2022-07-21 09:22:45,191 INFO L895 garLoopResultBuilder]: At program point L6856(line 6856) the Hoare annotation is: (let ((.cse0 (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16)))) (and (or (<= 0 (+ (* 18446744073709551616 (div (+ (* (- 1) |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) 15) 18446744073709551616)) |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|)) .cse0) (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= (+ (- 16) |ensure_string_is_allocated_bounded_length_~max_size#1|) 0)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (or .cse0 (let ((.cse1 (* 18446744073709551616 (div |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616)))) (<= .cse1 (+ |ensure_string_is_allocated_bounded_length_~len~1#1| (* 18446744073709551616 (div (+ .cse1 15 (* (- 1) |ensure_string_is_allocated_bounded_length_~len~1#1|)) 18446744073709551616)))))) (= |old(#valid)| |#valid|))) [2022-07-21 09:22:45,191 INFO L899 garLoopResultBuilder]: For program point L6859-3(line 6859) no Hoare annotation was computed. [2022-07-21 09:22:45,191 INFO L895 garLoopResultBuilder]: At program point L6859-2(line 6859) the Hoare annotation is: (let ((.cse0 (@diff |old(#valid)| |#valid|))) (and (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= (+ (- 16) |ensure_string_is_allocated_bounded_length_~max_size#1|) 0)) (or (= (select |old(#valid)| .cse0) 0) (= |old(#valid)| |#valid|)) (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16)) (= (store |old(#valid)| .cse0 (select |#valid| .cse0)) |#valid|))) [2022-07-21 09:22:45,191 INFO L895 garLoopResultBuilder]: At program point L6850(line 6850) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= (+ (- 16) |ensure_string_is_allocated_bounded_length_~max_size#1|) 0)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-07-21 09:22:45,191 INFO L899 garLoopResultBuilder]: For program point L6851-1(line 6851) no Hoare annotation was computed. [2022-07-21 09:22:45,191 INFO L895 garLoopResultBuilder]: At program point L6851(line 6851) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= (+ (- 16) |ensure_string_is_allocated_bounded_length_~max_size#1|) 0)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-07-21 09:22:45,192 INFO L899 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthFINAL(lines 6849 6853) no Hoare annotation was computed. [2022-07-21 09:22:45,192 INFO L895 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6931 6936) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-07-21 09:22:45,192 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6931 6936) no Hoare annotation was computed. [2022-07-21 09:22:45,192 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6931 6936) no Hoare annotation was computed. [2022-07-21 09:22:45,192 INFO L899 garLoopResultBuilder]: For program point L6932-1(lines 6932 6934) no Hoare annotation was computed. [2022-07-21 09:22:45,192 INFO L895 garLoopResultBuilder]: At program point L6932(lines 6932 6934) the Hoare annotation is: (and (= |bounded_malloc_#in~size| bounded_malloc_~size) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-07-21 09:22:45,192 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2022-07-21 09:22:45,192 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-07-21 09:22:45,192 INFO L902 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2022-07-21 09:22:45,192 INFO L902 garLoopResultBuilder]: At program point aws_string_bytesENTRY(lines 6291 6295) the Hoare annotation is: true [2022-07-21 09:22:45,192 INFO L899 garLoopResultBuilder]: For program point aws_string_bytesEXIT(lines 6291 6295) no Hoare annotation was computed. [2022-07-21 09:22:45,192 INFO L899 garLoopResultBuilder]: For program point aws_string_bytesFINAL(lines 6291 6295) no Hoare annotation was computed. [2022-07-21 09:22:45,192 INFO L899 garLoopResultBuilder]: For program point L6293-2(line 6293) no Hoare annotation was computed. [2022-07-21 09:22:45,193 INFO L902 garLoopResultBuilder]: At program point L6293(line 6293) the Hoare annotation is: true [2022-07-21 09:22:45,193 INFO L902 garLoopResultBuilder]: At program point L6293-1(line 6293) the Hoare annotation is: true [2022-07-21 09:22:45,193 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2022-07-21 09:22:45,193 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-07-21 09:22:45,193 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-07-21 09:22:45,193 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-07-21 09:22:45,193 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6938 6940) no Hoare annotation was computed. [2022-07-21 09:22:45,193 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6938 6940) no Hoare annotation was computed. [2022-07-21 09:22:45,193 INFO L902 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6938 6940) the Hoare annotation is: true [2022-07-21 09:22:45,193 INFO L899 garLoopResultBuilder]: For program point L6305-2(line 6305) no Hoare annotation was computed. [2022-07-21 09:22:45,193 INFO L899 garLoopResultBuilder]: For program point L6305-3(line 6305) no Hoare annotation was computed. [2022-07-21 09:22:45,193 INFO L899 garLoopResultBuilder]: For program point L6305(line 6305) no Hoare annotation was computed. [2022-07-21 09:22:45,193 INFO L902 garLoopResultBuilder]: At program point aws_string_is_validENTRY(lines 6301 6306) the Hoare annotation is: true [2022-07-21 09:22:45,194 INFO L899 garLoopResultBuilder]: For program point L6305-5(line 6305) no Hoare annotation was computed. [2022-07-21 09:22:45,194 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validFINAL(lines 6301 6306) no Hoare annotation was computed. [2022-07-21 09:22:45,194 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6301 6306) no Hoare annotation was computed. [2022-07-21 09:22:45,194 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2022-07-21 09:22:45,194 INFO L902 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2022-07-21 09:22:45,194 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2022-07-21 09:22:45,194 INFO L899 garLoopResultBuilder]: For program point L9846-1(line 9846) no Hoare annotation was computed. [2022-07-21 09:22:45,194 INFO L899 garLoopResultBuilder]: For program point L9524(lines 9524 9528) no Hoare annotation was computed. [2022-07-21 09:22:45,194 INFO L895 garLoopResultBuilder]: At program point L9846(line 9846) the Hoare annotation is: false [2022-07-21 09:22:45,194 INFO L899 garLoopResultBuilder]: For program point L9838(lines 9838 9856) no Hoare annotation was computed. [2022-07-21 09:22:45,194 INFO L895 garLoopResultBuilder]: At program point L9541(line 9541) the Hoare annotation is: false [2022-07-21 09:22:45,194 INFO L895 garLoopResultBuilder]: At program point L9541-1(line 9541) the Hoare annotation is: false [2022-07-21 09:22:45,194 INFO L899 garLoopResultBuilder]: For program point L9541-2(line 9541) no Hoare annotation was computed. [2022-07-21 09:22:45,194 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 09:22:45,195 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 09:22:45,195 INFO L899 garLoopResultBuilder]: For program point L9847-2(lines 9847 9851) no Hoare annotation was computed. [2022-07-21 09:22:45,195 INFO L899 garLoopResultBuilder]: For program point L9847-3(lines 9847 9855) no Hoare annotation was computed. [2022-07-21 09:22:45,195 INFO L899 garLoopResultBuilder]: For program point L9847-4(lines 9847 9855) no Hoare annotation was computed. [2022-07-21 09:22:45,195 INFO L899 garLoopResultBuilder]: For program point L7155-1(line 7155) no Hoare annotation was computed. [2022-07-21 09:22:45,195 INFO L895 garLoopResultBuilder]: At program point L7155(line 7155) the Hoare annotation is: false [2022-07-21 09:22:45,195 INFO L899 garLoopResultBuilder]: For program point L9847(lines 9847 9848) no Hoare annotation was computed. [2022-07-21 09:22:45,195 INFO L899 garLoopResultBuilder]: For program point L9558(lines 9558 9562) no Hoare annotation was computed. [2022-07-21 09:22:45,195 INFO L895 garLoopResultBuilder]: At program point L9839(line 9839) the Hoare annotation is: (and (= (select |#valid| |ULTIMATE.start_aws_array_list_comparator_string_harness_~#str_a~1#1.base|) 1) (not (= |ULTIMATE.start_aws_array_list_comparator_string_harness_~#str_a~1#1.base| 0))) [2022-07-21 09:22:45,195 INFO L899 garLoopResultBuilder]: For program point L9839-1(line 9839) no Hoare annotation was computed. [2022-07-21 09:22:45,195 INFO L899 garLoopResultBuilder]: For program point L9542(lines 9542 9544) no Hoare annotation was computed. [2022-07-21 09:22:45,195 INFO L899 garLoopResultBuilder]: For program point L7156-1(lines 7156 7158) no Hoare annotation was computed. [2022-07-21 09:22:45,195 INFO L895 garLoopResultBuilder]: At program point L7156(lines 7156 7158) the Hoare annotation is: false [2022-07-21 09:22:45,195 INFO L895 garLoopResultBuilder]: At program point L9840-3(line 9840) the Hoare annotation is: false [2022-07-21 09:22:45,195 INFO L899 garLoopResultBuilder]: For program point L9840-4(line 9840) no Hoare annotation was computed. [2022-07-21 09:22:45,196 INFO L899 garLoopResultBuilder]: For program point L9840-5(line 9840) no Hoare annotation was computed. [2022-07-21 09:22:45,196 INFO L895 garLoopResultBuilder]: At program point L9840(line 9840) the Hoare annotation is: false [2022-07-21 09:22:45,196 INFO L899 garLoopResultBuilder]: For program point L9840-1(line 9840) no Hoare annotation was computed. [2022-07-21 09:22:45,196 INFO L895 garLoopResultBuilder]: At program point L9551(lines 9518 9552) the Hoare annotation is: (and (= (select |#valid| |ULTIMATE.start_aws_array_list_comparator_string_harness_~#str_a~1#1.base|) 1) (not (= |ULTIMATE.start_aws_array_list_comparator_string_harness_~#str_a~1#1.base| 0)) (not (= |ULTIMATE.start_aws_array_list_comparator_string_harness_~#str_a~1#1.base| |ULTIMATE.start_aws_array_list_comparator_string_harness_~#str_b~1#1.base|)) (= |ULTIMATE.start_aws_array_list_comparator_string_harness_~nondet_parameter_a~0#1| (* 256 (div |ULTIMATE.start_aws_array_list_comparator_string_harness_~nondet_parameter_a~0#1| 256))) (not (= 0 |ULTIMATE.start_aws_array_list_comparator_string_harness_~#str_b~1#1.base|))) [2022-07-21 09:22:45,196 INFO L899 garLoopResultBuilder]: For program point L7148(lines 7148 7161) no Hoare annotation was computed. [2022-07-21 09:22:45,196 INFO L902 garLoopResultBuilder]: At program point L9857(line 9857) the Hoare annotation is: true [2022-07-21 09:22:45,196 INFO L899 garLoopResultBuilder]: For program point L9849-1(lines 9849 9850) no Hoare annotation was computed. [2022-07-21 09:22:45,196 INFO L895 garLoopResultBuilder]: At program point L9519-2(line 9519) the Hoare annotation is: false [2022-07-21 09:22:45,196 INFO L899 garLoopResultBuilder]: For program point L9519-3(line 9519) no Hoare annotation was computed. [2022-07-21 09:22:45,196 INFO L895 garLoopResultBuilder]: At program point L9519-4(line 9519) the Hoare annotation is: false [2022-07-21 09:22:45,196 INFO L899 garLoopResultBuilder]: For program point L9519-5(line 9519) no Hoare annotation was computed. [2022-07-21 09:22:45,196 INFO L899 garLoopResultBuilder]: For program point L9519(line 9519) no Hoare annotation was computed. [2022-07-21 09:22:45,197 INFO L899 garLoopResultBuilder]: For program point L7149-1(lines 7148 7161) no Hoare annotation was computed. [2022-07-21 09:22:45,197 INFO L895 garLoopResultBuilder]: At program point L7149(line 7149) the Hoare annotation is: false [2022-07-21 09:22:45,197 INFO L899 garLoopResultBuilder]: For program point L9520-3(line 9520) no Hoare annotation was computed. [2022-07-21 09:22:45,197 INFO L895 garLoopResultBuilder]: At program point L9520-4(line 9520) the Hoare annotation is: false [2022-07-21 09:22:45,197 INFO L899 garLoopResultBuilder]: For program point L9520-5(line 9520) no Hoare annotation was computed. [2022-07-21 09:22:45,197 INFO L899 garLoopResultBuilder]: For program point L9520(line 9520) no Hoare annotation was computed. [2022-07-21 09:22:45,197 INFO L895 garLoopResultBuilder]: At program point L9520-2(line 9520) the Hoare annotation is: false [2022-07-21 09:22:45,197 INFO L895 garLoopResultBuilder]: At program point L9570(lines 9554 9571) the Hoare annotation is: (let ((.cse0 (= (select |#valid| |ULTIMATE.start_aws_array_list_comparator_string_harness_~#str_a~1#1.base|) 1)) (.cse1 (not (= |ULTIMATE.start_aws_array_list_comparator_string_harness_~#str_a~1#1.base| 0))) (.cse2 (not (= |ULTIMATE.start_aws_array_list_comparator_string_harness_~#str_a~1#1.base| |ULTIMATE.start_aws_array_list_comparator_string_harness_~#str_b~1#1.base|))) (.cse3 (not (= 0 |ULTIMATE.start_aws_array_list_comparator_string_harness_~#str_b~1#1.base|)))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_aws_array_list_comparator_string_harness_~#str_a~1#1.base| |ULTIMATE.start_aws_array_list_comparator_string_harness_#t~ite1501#1.base|) (= |ULTIMATE.start_aws_array_list_comparator_string_#res#1| 1) .cse3 (= |ULTIMATE.start_aws_array_list_comparator_string_harness_~#str_a~1#1.base| |ULTIMATE.start_aws_array_list_comparator_string_~a#1.base|)) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_aws_array_list_comparator_string_harness_~nondet_parameter_a~0#1| (* 256 (div |ULTIMATE.start_aws_array_list_comparator_string_harness_~nondet_parameter_a~0#1| 256))) .cse3))) [2022-07-21 09:22:45,197 INFO L899 garLoopResultBuilder]: For program point L9545(lines 9545 9547) no Hoare annotation was computed. [2022-07-21 09:22:45,197 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 09:22:45,197 INFO L899 garLoopResultBuilder]: For program point L9537(line 9537) no Hoare annotation was computed. [2022-07-21 09:22:45,197 INFO L899 garLoopResultBuilder]: For program point L9537-2(line 9537) no Hoare annotation was computed. [2022-07-21 09:22:45,197 INFO L899 garLoopResultBuilder]: For program point L7159-1(line 7159) no Hoare annotation was computed. [2022-07-21 09:22:45,198 INFO L895 garLoopResultBuilder]: At program point L7159(line 7159) the Hoare annotation is: false [2022-07-21 09:22:45,198 INFO L895 garLoopResultBuilder]: At program point L9843(line 9843) the Hoare annotation is: false [2022-07-21 09:22:45,198 INFO L899 garLoopResultBuilder]: For program point L9843-1(line 9843) no Hoare annotation was computed. [2022-07-21 09:22:45,198 INFO L899 garLoopResultBuilder]: For program point L9529(lines 9529 9533) no Hoare annotation was computed. [2022-07-21 09:22:45,198 INFO L899 garLoopResultBuilder]: For program point L9521(lines 9521 9523) no Hoare annotation was computed. [2022-07-21 09:22:45,198 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 09:22:45,198 INFO L899 garLoopResultBuilder]: For program point L9852(lines 9852 9854) no Hoare annotation was computed. [2022-07-21 09:22:45,198 INFO L899 garLoopResultBuilder]: For program point L9563(lines 9563 9567) no Hoare annotation was computed. [2022-07-21 09:22:45,198 INFO L899 garLoopResultBuilder]: For program point L9555(lines 9555 9557) no Hoare annotation was computed. [2022-07-21 09:22:45,198 INFO L895 garLoopResultBuilder]: At program point L9539(line 9539) the Hoare annotation is: false [2022-07-21 09:22:45,198 INFO L895 garLoopResultBuilder]: At program point L9539-1(line 9539) the Hoare annotation is: false [2022-07-21 09:22:45,198 INFO L899 garLoopResultBuilder]: For program point L9539-2(line 9539) no Hoare annotation was computed. [2022-07-21 09:22:45,198 INFO L899 garLoopResultBuilder]: For program point L9548(lines 9548 9550) no Hoare annotation was computed. [2022-07-21 09:22:45,198 INFO L895 garLoopResultBuilder]: At program point L9540(line 9540) the Hoare annotation is: false [2022-07-21 09:22:45,198 INFO L895 garLoopResultBuilder]: At program point L9540-1(line 9540) the Hoare annotation is: false [2022-07-21 09:22:45,199 INFO L899 garLoopResultBuilder]: For program point L9540-2(line 9540) no Hoare annotation was computed. [2022-07-21 09:22:45,199 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-07-21 09:22:45,199 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-07-21 09:22:45,199 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-07-21 09:22:45,199 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-07-21 09:22:45,201 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-07-21 09:22:45,201 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-07-21 09:22:45,204 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 09:22:45,205 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 09:22:45,210 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (@diff (Array Int Int) (Array Int Int) Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.getBinaryOperator(Term2Expression.java:586) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:271) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:136) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translateSelect(Term2Expression.java:359) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:162) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:136) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:172) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:136) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:172) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:136) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:172) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:449) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:152) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-21 09:22:45,214 INFO L158 Benchmark]: Toolchain (without parser) took 14786.75ms. Allocated memory was 65.0MB in the beginning and 304.1MB in the end (delta: 239.1MB). Free memory was 35.4MB in the beginning and 235.9MB in the end (delta: -200.5MB). Peak memory consumption was 191.2MB. Max. memory is 16.1GB. [2022-07-21 09:22:45,214 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 65.0MB. Free memory was 46.6MB in the beginning and 46.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 09:22:45,214 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2350.74ms. Allocated memory was 65.0MB in the beginning and 121.6MB in the end (delta: 56.6MB). Free memory was 35.2MB in the beginning and 65.9MB in the end (delta: -30.7MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2022-07-21 09:22:45,215 INFO L158 Benchmark]: Boogie Procedure Inliner took 166.75ms. Allocated memory is still 121.6MB. Free memory was 65.9MB in the beginning and 53.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-21 09:22:45,215 INFO L158 Benchmark]: Boogie Preprocessor took 101.13ms. Allocated memory is still 121.6MB. Free memory was 53.3MB in the beginning and 47.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-21 09:22:45,215 INFO L158 Benchmark]: RCFGBuilder took 1607.69ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 47.0MB in the beginning and 79.8MB in the end (delta: -32.8MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2022-07-21 09:22:45,216 INFO L158 Benchmark]: TraceAbstraction took 10555.45ms. Allocated memory was 155.2MB in the beginning and 304.1MB in the end (delta: 148.9MB). Free memory was 78.8MB in the beginning and 235.9MB in the end (delta: -157.1MB). Peak memory consumption was 144.9MB. Max. memory is 16.1GB. [2022-07-21 09:22:45,217 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 65.0MB. Free memory was 46.6MB in the beginning and 46.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2350.74ms. Allocated memory was 65.0MB in the beginning and 121.6MB in the end (delta: 56.6MB). Free memory was 35.2MB in the beginning and 65.9MB in the end (delta: -30.7MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 166.75ms. Allocated memory is still 121.6MB. Free memory was 65.9MB in the beginning and 53.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.13ms. Allocated memory is still 121.6MB. Free memory was 53.3MB in the beginning and 47.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1607.69ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 47.0MB in the beginning and 79.8MB in the end (delta: -32.8MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * TraceAbstraction took 10555.45ms. Allocated memory was 155.2MB in the beginning and 304.1MB in the end (delta: 148.9MB). Free memory was 78.8MB in the beginning and 235.9MB in the end (delta: -157.1MB). Peak memory consumption was 144.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s 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 10 procedures, 116 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.5s, OverallIterations: 9, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1519 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1400 mSDsluCounter, 3993 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 74 IncrementalHoareTripleChecker+Unchecked, 2710 mSDsCounter, 647 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2525 IncrementalHoareTripleChecker+Invalid, 3246 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 647 mSolverCounterUnsat, 1283 mSDtfsCounter, 2525 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 413 GetRequests, 296 SyntacticMatches, 10 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 575 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=141occurred in iteration=7, InterpolantAutomatonStates: 68, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 293 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 152 PreInvPairs, 160 NumberOfFragments, 408 HoareAnnotationTreeSize, 152 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 40 FomulaSimplificationsInter, 2166 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 671 NumberOfCodeBlocks, 671 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 741 ConstructedInterpolants, 21 QuantifiedInterpolants, 2823 SizeOfPredicates, 24 NumberOfNonLiveVariables, 2641 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 284/302 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 - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (@diff (Array Int Int) (Array Int Int) Int) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: unknown symbol (@diff (Array Int Int) (Array Int Int) Int): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.getBinaryOperator(Term2Expression.java:586) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-07-21 09:22:45,255 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_array_list_comparator_string_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.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 4ed07f4e0ea596aa18bb1f969a7cd7a46fb7ca4022e0f40df55654d88ab6e7f3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 09:22:47,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 09:22:47,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 09:22:47,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 09:22:47,140 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 09:22:47,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 09:22:47,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 09:22:47,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 09:22:47,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 09:22:47,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 09:22:47,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 09:22:47,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 09:22:47,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 09:22:47,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 09:22:47,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 09:22:47,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 09:22:47,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 09:22:47,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 09:22:47,169 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 09:22:47,174 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 09:22:47,175 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 09:22:47,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 09:22:47,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 09:22:47,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 09:22:47,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 09:22:47,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 09:22:47,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 09:22:47,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 09:22:47,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 09:22:47,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 09:22:47,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 09:22:47,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 09:22:47,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 09:22:47,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 09:22:47,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 09:22:47,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 09:22:47,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 09:22:47,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 09:22:47,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 09:22:47,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 09:22:47,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 09:22:47,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 09:22:47,206 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 09:22:47,237 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 09:22:47,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 09:22:47,238 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 09:22:47,238 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 09:22:47,239 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 09:22:47,239 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 09:22:47,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 09:22:47,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 09:22:47,240 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 09:22:47,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 09:22:47,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 09:22:47,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 09:22:47,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 09:22:47,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 09:22:47,242 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 09:22:47,242 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 09:22:47,242 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 09:22:47,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 09:22:47,243 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 09:22:47,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 09:22:47,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 09:22:47,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 09:22:47,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 09:22:47,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 09:22:47,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 09:22:47,244 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 09:22:47,245 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 09:22:47,245 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 09:22:47,245 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 09:22:47,245 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 09:22:47,246 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 09:22:47,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 09:22:47,246 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 09:22:47,246 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ed07f4e0ea596aa18bb1f969a7cd7a46fb7ca4022e0f40df55654d88ab6e7f3 [2022-07-21 09:22:47,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 09:22:47,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 09:22:47,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 09:22:47,602 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 09:22:47,603 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 09:22:47,604 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_comparator_string_harness.i [2022-07-21 09:22:47,652 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40f173dac/ba6f9cbe5b2d4983bd54b96da0601361/FLAGca425befc [2022-07-21 09:22:48,375 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 09:22:48,375 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_comparator_string_harness.i [2022-07-21 09:22:48,416 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40f173dac/ba6f9cbe5b2d4983bd54b96da0601361/FLAGca425befc [2022-07-21 09:22:48,691 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40f173dac/ba6f9cbe5b2d4983bd54b96da0601361 [2022-07-21 09:22:48,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 09:22:48,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 09:22:48,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 09:22:48,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 09:22:48,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 09:22:48,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:22:48" (1/1) ... [2022-07-21 09:22:48,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@534de38c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:48, skipping insertion in model container [2022-07-21 09:22:48,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:22:48" (1/1) ... [2022-07-21 09:22:48,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 09:22:48,804 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 09:22:49,060 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_array_list_comparator_string_harness.i[4506,4519] [2022-07-21 09:22:49,067 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_array_list_comparator_string_harness.i[4566,4579] [2022-07-21 09:22:49,941 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:49,942 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:49,943 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:49,944 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:49,945 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:49,955 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:49,956 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:49,957 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:49,957 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:49,958 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:49,958 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:49,959 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:49,959 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:50,190 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-21 09:22:50,191 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-21 09:22:50,192 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-21 09:22:50,193 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-21 09:22:50,194 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-21 09:22:50,195 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-21 09:22:50,195 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-21 09:22:50,196 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-21 09:22:50,196 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-21 09:22:50,197 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-21 09:22:50,324 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-21 09:22:50,338 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.ArithmeticException: BigInteger out of int range at java.base/java.math.BigInteger.intValueExact(BigInteger.java:4784) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:1009) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:968) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:249) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:2978) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2836) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2138) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-21 09:22:50,355 INFO L158 Benchmark]: Toolchain (without parser) took 1659.62ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 37.8MB in the beginning and 52.7MB in the end (delta: -14.9MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2022-07-21 09:22:50,355 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 67.1MB. Free memory was 49.2MB in the beginning and 49.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 09:22:50,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1656.65ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 37.6MB in the beginning and 52.7MB in the end (delta: -15.1MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2022-07-21 09:22:50,358 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 67.1MB. Free memory was 49.2MB in the beginning and 49.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1656.65ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 37.6MB in the beginning and 52.7MB in the end (delta: -15.1MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: ArithmeticException: BigInteger out of int range de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: ArithmeticException: BigInteger out of int range: java.base/java.math.BigInteger.intValueExact(BigInteger.java:4784) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ArithmeticException: BigInteger out of int range