./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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_front_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 fab77e35ee9737971bef4cfaab645b79b32b241c77e037d17af53d4cd9996d59 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 23:29:51,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 23:29:51,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 23:29:51,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 23:29:51,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 23:29:51,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 23:29:51,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 23:29:51,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 23:29:51,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 23:29:51,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 23:29:51,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 23:29:51,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 23:29:51,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 23:29:51,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 23:29:51,375 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 23:29:51,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 23:29:51,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 23:29:51,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 23:29:51,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 23:29:51,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 23:29:51,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 23:29:51,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 23:29:51,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 23:29:51,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 23:29:51,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 23:29:51,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 23:29:51,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 23:29:51,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 23:29:51,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 23:29:51,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 23:29:51,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 23:29:51,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 23:29:51,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 23:29:51,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 23:29:51,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 23:29:51,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 23:29:51,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 23:29:51,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 23:29:51,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 23:29:51,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 23:29:51,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 23:29:51,399 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-17 23:29:51,429 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 23:29:51,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 23:29:51,430 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 23:29:51,430 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 23:29:51,430 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 23:29:51,431 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 23:29:51,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 23:29:51,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 23:29:51,431 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 23:29:51,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 23:29:51,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 23:29:51,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 23:29:51,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 23:29:51,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 23:29:51,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 23:29:51,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 23:29:51,433 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 23:29:51,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 23:29:51,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 23:29:51,434 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 23:29:51,434 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 23:29:51,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 23:29:51,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 23:29:51,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 23:29:51,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 23:29:51,434 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 23:29:51,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 23:29:51,443 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 23:29:51,443 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 23:29:51,443 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 23:29:51,443 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 23:29:51,443 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fab77e35ee9737971bef4cfaab645b79b32b241c77e037d17af53d4cd9996d59 [2021-12-17 23:29:51,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 23:29:51,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 23:29:51,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 23:29:51,638 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 23:29:51,638 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 23:29:51,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i [2021-12-17 23:29:51,690 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72316824c/150a6d0968704bb4bed4fc208e28c969/FLAG4650a2305 [2021-12-17 23:29:52,174 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 23:29:52,174 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i [2021-12-17 23:29:52,196 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72316824c/150a6d0968704bb4bed4fc208e28c969/FLAG4650a2305 [2021-12-17 23:29:52,426 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72316824c/150a6d0968704bb4bed4fc208e28c969 [2021-12-17 23:29:52,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 23:29:52,429 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 23:29:52,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 23:29:52,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 23:29:52,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 23:29:52,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 11:29:52" (1/1) ... [2021-12-17 23:29:52,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b2bb46e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:29:52, skipping insertion in model container [2021-12-17 23:29:52,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 11:29:52" (1/1) ... [2021-12-17 23:29:52,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 23:29:52,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 23:29:52,679 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_front_harness.i[4494,4507] [2021-12-17 23:29:52,684 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_front_harness.i[4554,4567] [2021-12-17 23:29:53,091 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-17 23:29:53,164 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-17 23:29:53,164 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-17 23:29:53,165 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-17 23:29:53,165 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-17 23:29:53,166 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-17 23:29:53,172 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-17 23:29:53,172 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-17 23:29:53,173 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-17 23:29:53,173 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-17 23:29:53,174 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-17 23:29:53,175 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-17 23:29:53,175 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-17 23:29:53,176 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-17 23:29:53,352 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-17 23:29:53,353 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-17 23:29:53,353 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-17 23:29:53,354 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-17 23:29:53,355 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-17 23:29:53,355 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-17 23:29:53,356 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-17 23:29:53,356 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-17 23:29:53,356 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-17 23:29:53,357 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-17 23:29:53,429 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-17 23:29:53,433 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-17 23:29:53,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 23:29:53,488 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 23:29:53,498 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_front_harness.i[4494,4507] [2021-12-17 23:29:53,499 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_front_harness.i[4554,4567] [2021-12-17 23:29:53,516 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-17 23:29:53,551 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-17 23:29:53,552 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-17 23:29:53,553 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-17 23:29:53,553 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-17 23:29:53,554 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-17 23:29:53,561 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-17 23:29:53,562 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-17 23:29:53,563 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-17 23:29:53,563 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-17 23:29:53,564 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-17 23:29:53,565 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-17 23:29:53,571 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-17 23:29:53,571 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-17 23:29:53,606 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-17 23:29:53,606 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-17 23:29:53,607 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-17 23:29:53,607 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-17 23:29:53,608 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-17 23:29:53,609 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-17 23:29:53,609 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-17 23:29:53,609 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-17 23:29:53,610 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-17 23:29:53,610 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-17 23:29:53,649 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-17 23:29:53,655 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-17 23:29:53,665 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 23:29:53,780 INFO L208 MainTranslator]: Completed translation [2021-12-17 23:29:53,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:29:53 WrapperNode [2021-12-17 23:29:53,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 23:29:53,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 23:29:53,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 23:29:53,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 23:29:53,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:29:53" (1/1) ... [2021-12-17 23:29:53,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:29:53" (1/1) ... [2021-12-17 23:29:53,901 INFO L137 Inliner]: procedures = 691, calls = 1690, calls flagged for inlining = 54, calls inlined = 9, statements flattened = 667 [2021-12-17 23:29:53,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 23:29:53,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 23:29:53,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 23:29:53,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 23:29:53,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:29:53" (1/1) ... [2021-12-17 23:29:53,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:29:53" (1/1) ... [2021-12-17 23:29:53,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:29:53" (1/1) ... [2021-12-17 23:29:53,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:29:53" (1/1) ... [2021-12-17 23:29:53,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:29:53" (1/1) ... [2021-12-17 23:29:53,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:29:53" (1/1) ... [2021-12-17 23:29:53,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:29:53" (1/1) ... [2021-12-17 23:29:53,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 23:29:53,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 23:29:53,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 23:29:53,990 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 23:29:53,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:29:53" (1/1) ... [2021-12-17 23:29:53,995 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 23:29:54,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 23:29:54,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 23:29:54,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 23:29:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-17 23:29:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-17 23:29:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-12-17 23:29:54,050 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-12-17 23:29:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-12-17 23:29:54,051 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-12-17 23:29:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-17 23:29:54,051 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-17 23:29:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-17 23:29:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-17 23:29:54,051 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-17 23:29:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-17 23:29:54,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-17 23:29:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-17 23:29:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 23:29:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-17 23:29:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2021-12-17 23:29:54,052 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2021-12-17 23:29:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 23:29:54,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 23:29:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-17 23:29:54,053 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-17 23:29:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-12-17 23:29:54,054 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-12-17 23:29:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-17 23:29:54,054 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-17 23:29:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-12-17 23:29:54,054 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-12-17 23:29:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2021-12-17 23:29:54,055 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2021-12-17 23:29:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-17 23:29:54,055 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-17 23:29:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2021-12-17 23:29:54,055 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2021-12-17 23:29:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-17 23:29:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-17 23:29:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-17 23:29:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-17 23:29:54,056 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-17 23:29:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-17 23:29:54,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-17 23:29:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-17 23:29:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-12-17 23:29:54,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-12-17 23:29:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 23:29:54,263 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 23:29:54,264 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 23:29:54,682 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 23:29:54,689 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 23:29:54,689 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-17 23:29:54,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 11:29:54 BoogieIcfgContainer [2021-12-17 23:29:54,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 23:29:54,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 23:29:54,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 23:29:54,694 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 23:29:54,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 11:29:52" (1/3) ... [2021-12-17 23:29:54,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a06604e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 11:29:54, skipping insertion in model container [2021-12-17 23:29:54,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:29:53" (2/3) ... [2021-12-17 23:29:54,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a06604e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 11:29:54, skipping insertion in model container [2021-12-17 23:29:54,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 11:29:54" (3/3) ... [2021-12-17 23:29:54,697 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_front_harness.i [2021-12-17 23:29:54,703 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 23:29:54,703 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 23:29:54,743 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 23:29:54,753 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 23:29:54,755 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 23:29:54,770 INFO L276 IsEmpty]: Start isEmpty. Operand has 182 states, 110 states have (on average 1.209090909090909) internal successors, (133), 111 states have internal predecessors, (133), 54 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2021-12-17 23:29:54,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-17 23:29:54,782 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 23:29:54,783 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 23:29:54,783 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 23:29:54,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 23:29:54,787 INFO L85 PathProgramCache]: Analyzing trace with hash 565976823, now seen corresponding path program 1 times [2021-12-17 23:29:54,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 23:29:54,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608497104] [2021-12-17 23:29:54,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 23:29:54,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 23:29:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:55,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 23:29:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:55,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-17 23:29:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:55,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 23:29:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:55,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-17 23:29:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:55,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-17 23:29:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:55,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-17 23:29:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:55,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-17 23:29:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:55,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-17 23:29:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:55,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-17 23:29:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:55,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 23:29:55,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:55,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-17 23:29:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:55,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-17 23:29:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:55,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-17 23:29:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:55,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-17 23:29:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:55,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-17 23:29:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:55,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-17 23:29:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:55,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-17 23:29:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:55,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-17 23:29:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:55,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-17 23:29:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:55,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-17 23:29:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:55,418 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-12-17 23:29:55,418 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 23:29:55,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608497104] [2021-12-17 23:29:55,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608497104] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 23:29:55,419 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 23:29:55,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 23:29:55,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237386105] [2021-12-17 23:29:55,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 23:29:55,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 23:29:55,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 23:29:55,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 23:29:55,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-17 23:29:55,447 INFO L87 Difference]: Start difference. First operand has 182 states, 110 states have (on average 1.209090909090909) internal successors, (133), 111 states have internal predecessors, (133), 54 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-17 23:29:55,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 23:29:55,813 INFO L93 Difference]: Finished difference Result 378 states and 547 transitions. [2021-12-17 23:29:55,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 23:29:55,815 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2021-12-17 23:29:55,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 23:29:55,822 INFO L225 Difference]: With dead ends: 378 [2021-12-17 23:29:55,822 INFO L226 Difference]: Without dead ends: 194 [2021-12-17 23:29:55,826 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-17 23:29:55,827 INFO L933 BasicCegarLoop]: 213 mSDtfsCounter, 111 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 23:29:55,828 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 330 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 23:29:55,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-12-17 23:29:55,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 173. [2021-12-17 23:29:55,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 103 states have (on average 1.1650485436893203) internal successors, (120), 104 states have internal predecessors, (120), 54 states have call successors, (54), 16 states have call predecessors, (54), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2021-12-17 23:29:55,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 226 transitions. [2021-12-17 23:29:55,867 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 226 transitions. Word has length 124 [2021-12-17 23:29:55,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 23:29:55,868 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 226 transitions. [2021-12-17 23:29:55,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-17 23:29:55,868 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 226 transitions. [2021-12-17 23:29:55,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-17 23:29:55,870 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 23:29:55,870 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 23:29:55,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 23:29:55,870 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 23:29:55,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 23:29:55,871 INFO L85 PathProgramCache]: Analyzing trace with hash 717213231, now seen corresponding path program 1 times [2021-12-17 23:29:55,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 23:29:55,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575067858] [2021-12-17 23:29:55,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 23:29:55,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 23:29:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:56,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 23:29:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:56,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-17 23:29:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:56,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 23:29:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:56,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-17 23:29:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:56,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-17 23:29:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:56,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-17 23:29:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:56,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-17 23:29:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:56,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-17 23:29:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:56,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-17 23:29:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:56,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 23:29:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:56,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-17 23:29:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:56,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-17 23:29:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:56,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-17 23:29:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:56,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-17 23:29:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:56,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-17 23:29:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:56,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-17 23:29:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:56,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-17 23:29:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:56,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-17 23:29:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:56,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-17 23:29:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:56,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-17 23:29:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:56,261 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-12-17 23:29:56,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 23:29:56,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575067858] [2021-12-17 23:29:56,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575067858] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 23:29:56,262 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 23:29:56,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-17 23:29:56,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622187816] [2021-12-17 23:29:56,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 23:29:56,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-17 23:29:56,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 23:29:56,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-17 23:29:56,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-17 23:29:56,265 INFO L87 Difference]: Start difference. First operand 173 states and 226 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-17 23:29:56,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 23:29:56,918 INFO L93 Difference]: Finished difference Result 365 states and 503 transitions. [2021-12-17 23:29:56,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-17 23:29:56,919 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) Word has length 124 [2021-12-17 23:29:56,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 23:29:56,923 INFO L225 Difference]: With dead ends: 365 [2021-12-17 23:29:56,923 INFO L226 Difference]: Without dead ends: 252 [2021-12-17 23:29:56,924 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-12-17 23:29:56,924 INFO L933 BasicCegarLoop]: 235 mSDtfsCounter, 134 mSDsluCounter, 1081 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 1316 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 23:29:56,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 1316 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 23:29:56,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2021-12-17 23:29:56,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 186. [2021-12-17 23:29:56,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 112 states have (on average 1.1607142857142858) internal successors, (130), 113 states have internal predecessors, (130), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (56), 56 states have call predecessors, (56), 55 states have call successors, (56) [2021-12-17 23:29:56,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 243 transitions. [2021-12-17 23:29:56,947 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 243 transitions. Word has length 124 [2021-12-17 23:29:56,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 23:29:56,948 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 243 transitions. [2021-12-17 23:29:56,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-17 23:29:56,949 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 243 transitions. [2021-12-17 23:29:56,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-17 23:29:56,955 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 23:29:56,956 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 23:29:56,956 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 23:29:56,956 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 23:29:56,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 23:29:56,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1593232237, now seen corresponding path program 1 times [2021-12-17 23:29:56,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 23:29:56,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206628556] [2021-12-17 23:29:56,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 23:29:56,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 23:29:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:57,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 23:29:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:57,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-17 23:29:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:57,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 23:29:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:57,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-17 23:29:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:57,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-17 23:29:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:57,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-17 23:29:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:57,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-17 23:29:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:57,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-17 23:29:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:57,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-17 23:29:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:57,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 23:29:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:57,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-17 23:29:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:57,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-17 23:29:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:57,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-17 23:29:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:57,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-17 23:29:57,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:57,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-17 23:29:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:57,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-17 23:29:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:57,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-17 23:29:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:57,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-17 23:29:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:57,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-17 23:29:57,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:57,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-17 23:29:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:57,272 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-12-17 23:29:57,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 23:29:57,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206628556] [2021-12-17 23:29:57,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206628556] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 23:29:57,272 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 23:29:57,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-17 23:29:57,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462002629] [2021-12-17 23:29:57,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 23:29:57,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-17 23:29:57,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 23:29:57,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-17 23:29:57,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-12-17 23:29:57,273 INFO L87 Difference]: Start difference. First operand 186 states and 243 transitions. Second operand has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2021-12-17 23:29:58,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 23:29:58,060 INFO L93 Difference]: Finished difference Result 359 states and 492 transitions. [2021-12-17 23:29:58,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-17 23:29:58,060 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) Word has length 124 [2021-12-17 23:29:58,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 23:29:58,069 INFO L225 Difference]: With dead ends: 359 [2021-12-17 23:29:58,069 INFO L226 Difference]: Without dead ends: 252 [2021-12-17 23:29:58,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2021-12-17 23:29:58,074 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 110 mSDsluCounter, 1268 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 1500 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-17 23:29:58,075 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 1500 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-17 23:29:58,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2021-12-17 23:29:58,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 192. [2021-12-17 23:29:58,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 115 states have (on average 1.1565217391304348) internal successors, (133), 116 states have internal predecessors, (133), 60 states have call successors, (60), 16 states have call predecessors, (60), 16 states have return successors, (59), 59 states have call predecessors, (59), 58 states have call successors, (59) [2021-12-17 23:29:58,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 252 transitions. [2021-12-17 23:29:58,097 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 252 transitions. Word has length 124 [2021-12-17 23:29:58,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 23:29:58,097 INFO L470 AbstractCegarLoop]: Abstraction has 192 states and 252 transitions. [2021-12-17 23:29:58,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2021-12-17 23:29:58,098 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 252 transitions. [2021-12-17 23:29:58,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-17 23:29:58,099 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 23:29:58,099 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 23:29:58,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 23:29:58,100 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 23:29:58,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 23:29:58,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1198865451, now seen corresponding path program 1 times [2021-12-17 23:29:58,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 23:29:58,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187193621] [2021-12-17 23:29:58,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 23:29:58,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 23:29:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:58,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 23:29:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:58,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-17 23:29:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:58,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 23:29:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:58,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-17 23:29:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:58,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-17 23:29:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:58,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-17 23:29:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:58,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-17 23:29:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:58,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-17 23:29:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:58,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-17 23:29:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:58,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 23:29:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:58,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-17 23:29:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:58,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-17 23:29:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:58,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-17 23:29:58,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:58,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-17 23:29:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:58,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-17 23:29:58,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:58,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-17 23:29:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:58,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-17 23:29:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:58,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-17 23:29:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:58,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-17 23:29:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:58,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-17 23:29:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:58,395 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 29 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2021-12-17 23:29:58,395 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 23:29:58,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187193621] [2021-12-17 23:29:58,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187193621] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 23:29:58,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011347588] [2021-12-17 23:29:58,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 23:29:58,395 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 23:29:58,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 23:29:58,397 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) [2021-12-17 23:29:58,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-17 23:29:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:58,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 2218 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-17 23:29:58,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 23:29:58,937 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-12-17 23:29:58,937 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 23:29:58,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011347588] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 23:29:58,937 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 23:29:58,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 10 [2021-12-17 23:29:58,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079213857] [2021-12-17 23:29:58,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 23:29:58,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 23:29:58,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 23:29:58,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 23:29:58,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-12-17 23:29:58,938 INFO L87 Difference]: Start difference. First operand 192 states and 252 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-17 23:29:59,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 23:29:59,027 INFO L93 Difference]: Finished difference Result 357 states and 477 transitions. [2021-12-17 23:29:59,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 23:29:59,028 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 124 [2021-12-17 23:29:59,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 23:29:59,031 INFO L225 Difference]: With dead ends: 357 [2021-12-17 23:29:59,031 INFO L226 Difference]: Without dead ends: 194 [2021-12-17 23:29:59,031 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 157 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-12-17 23:29:59,033 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 2 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1012 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 23:29:59,034 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 1012 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 23:29:59,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-12-17 23:29:59,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2021-12-17 23:29:59,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 116 states have (on average 1.1551724137931034) internal successors, (134), 118 states have internal predecessors, (134), 60 states have call successors, (60), 16 states have call predecessors, (60), 17 states have return successors, (68), 59 states have call predecessors, (68), 58 states have call successors, (68) [2021-12-17 23:29:59,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 262 transitions. [2021-12-17 23:29:59,065 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 262 transitions. Word has length 124 [2021-12-17 23:29:59,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 23:29:59,065 INFO L470 AbstractCegarLoop]: Abstraction has 194 states and 262 transitions. [2021-12-17 23:29:59,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-17 23:29:59,066 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 262 transitions. [2021-12-17 23:29:59,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-12-17 23:29:59,067 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 23:29:59,067 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 23:29:59,089 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-17 23:29:59,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 23:29:59,281 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 23:29:59,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 23:29:59,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1419762735, now seen corresponding path program 1 times [2021-12-17 23:29:59,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 23:29:59,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673710151] [2021-12-17 23:29:59,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 23:29:59,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 23:29:59,321 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-17 23:29:59,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [261742804] [2021-12-17 23:29:59,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 23:29:59,321 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 23:29:59,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 23:29:59,322 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 23:29:59,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-17 23:29:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 23:29:59,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 2365 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-17 23:29:59,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 23:29:59,843 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2021-12-17 23:29:59,843 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 23:29:59,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 23:29:59,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673710151] [2021-12-17 23:29:59,843 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-17 23:29:59,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261742804] [2021-12-17 23:29:59,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [261742804] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 23:29:59,844 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 23:29:59,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 23:29:59,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913280314] [2021-12-17 23:29:59,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 23:29:59,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 23:29:59,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 23:29:59,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 23:29:59,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 23:29:59,845 INFO L87 Difference]: Start difference. First operand 194 states and 262 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-17 23:29:59,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 23:29:59,893 INFO L93 Difference]: Finished difference Result 235 states and 304 transitions. [2021-12-17 23:29:59,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 23:29:59,894 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 139 [2021-12-17 23:29:59,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 23:29:59,894 INFO L225 Difference]: With dead ends: 235 [2021-12-17 23:29:59,894 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 23:29:59,895 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-17 23:29:59,895 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 90 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 23:29:59,895 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 242 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 23:29:59,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 23:29:59,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 23:29:59,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 23:29:59,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 23:29:59,896 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 139 [2021-12-17 23:29:59,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 23:29:59,896 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 23:29:59,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-17 23:29:59,896 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 23:29:59,896 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 23:29:59,898 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 23:29:59,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-17 23:30:00,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 23:30:00,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 23:30:00,414 INFO L854 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 2778 2783) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |#valid| |old(#valid)|) (= |#length| |old(#length)|))) [2021-12-17 23:30:00,415 INFO L858 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 2778 2783) no Hoare annotation was computed. [2021-12-17 23:30:00,415 INFO L858 garLoopResultBuilder]: For program point L2779-1(lines 2779 2781) no Hoare annotation was computed. [2021-12-17 23:30:00,415 INFO L854 garLoopResultBuilder]: At program point L2779(lines 2779 2781) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |#valid| |old(#valid)|) (= |#length| |old(#length)|))) [2021-12-17 23:30:00,416 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 2778 2783) no Hoare annotation was computed. [2021-12-17 23:30:00,416 INFO L858 garLoopResultBuilder]: For program point L7011-4(lines 7010 7022) no Hoare annotation was computed. [2021-12-17 23:30:00,416 INFO L858 garLoopResultBuilder]: For program point L7011-2(lines 7011 7021) no Hoare annotation was computed. [2021-12-17 23:30:00,416 INFO L861 garLoopResultBuilder]: At program point L7018(line 7018) the Hoare annotation is: true [2021-12-17 23:30:00,416 INFO L858 garLoopResultBuilder]: For program point L7020-1(line 7020) no Hoare annotation was computed. [2021-12-17 23:30:00,416 INFO L861 garLoopResultBuilder]: At program point L7020(line 7020) the Hoare annotation is: true [2021-12-17 23:30:00,416 INFO L858 garLoopResultBuilder]: For program point ensure_array_list_has_allocated_data_memberEXIT(lines 7010 7022) no Hoare annotation was computed. [2021-12-17 23:30:00,416 INFO L858 garLoopResultBuilder]: For program point L7018-3(lines 7018 7020) no Hoare annotation was computed. [2021-12-17 23:30:00,416 INFO L854 garLoopResultBuilder]: At program point ensure_array_list_has_allocated_data_memberENTRY(lines 7010 7022) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |#memory_int| |old(#memory_int)|) (= |#valid| |old(#valid)|) (= |#length| |old(#length)|) (= |#memory_real| |old(#memory_real)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) [2021-12-17 23:30:00,417 INFO L858 garLoopResultBuilder]: For program point L7018-1(lines 7018 7020) no Hoare annotation was computed. [2021-12-17 23:30:00,417 INFO L858 garLoopResultBuilder]: For program point L7012-1(lines 7012 7014) no Hoare annotation was computed. [2021-12-17 23:30:00,417 INFO L854 garLoopResultBuilder]: At program point L7012(lines 7012 7014) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |#memory_int| |old(#memory_int)|) (= |#valid| |old(#valid)|) (= |#length| |old(#length)|) (= |#memory_real| |old(#memory_real)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) [2021-12-17 23:30:00,417 INFO L858 garLoopResultBuilder]: For program point L7015-1(line 7015) no Hoare annotation was computed. [2021-12-17 23:30:00,418 INFO L854 garLoopResultBuilder]: At program point L7015(line 7015) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |#memory_int| |old(#memory_int)|) (= |#valid| |old(#valid)|) (= |#length| |old(#length)|) (= |#memory_real| |old(#memory_real)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) [2021-12-17 23:30:00,418 INFO L858 garLoopResultBuilder]: For program point L7017-1(line 7017) no Hoare annotation was computed. [2021-12-17 23:30:00,418 INFO L854 garLoopResultBuilder]: At program point L7017(line 7017) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |#memory_int| |old(#memory_int)|) (= |#valid| |old(#valid)|) (= |#length| |old(#length)|) (= |#memory_real| |old(#memory_real)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) [2021-12-17 23:30:00,418 INFO L858 garLoopResultBuilder]: For program point L7011(line 7011) no Hoare annotation was computed. [2021-12-17 23:30:00,418 INFO L858 garLoopResultBuilder]: For program point aws_array_list_is_boundedEXIT(lines 6996 7008) no Hoare annotation was computed. [2021-12-17 23:30:00,419 INFO L861 garLoopResultBuilder]: At program point aws_array_list_is_boundedENTRY(lines 6996 7008) the Hoare annotation is: true [2021-12-17 23:30:00,419 INFO L858 garLoopResultBuilder]: For program point aws_array_list_is_boundedFINAL(lines 6996 7008) no Hoare annotation was computed. [2021-12-17 23:30:00,419 INFO L854 garLoopResultBuilder]: At program point aws_array_list_is_validENTRY(lines 3259 3286) the Hoare annotation is: (or (and (= |#memory_int| |old(#memory_int)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |#valid| |old(#valid)|) (= |#length| |old(#length)|) (= |#memory_real| |old(#memory_real)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (< 0 |#StackHeapBarrier|))) [2021-12-17 23:30:00,419 INFO L858 garLoopResultBuilder]: For program point L3281(line 3281) no Hoare annotation was computed. [2021-12-17 23:30:00,419 INFO L858 garLoopResultBuilder]: For program point L3279(lines 3279 3280) no Hoare annotation was computed. [2021-12-17 23:30:00,420 INFO L858 garLoopResultBuilder]: For program point L3281-2(line 3281) no Hoare annotation was computed. [2021-12-17 23:30:00,420 INFO L858 garLoopResultBuilder]: For program point L3279-3(lines 3279 3281) no Hoare annotation was computed. [2021-12-17 23:30:00,420 INFO L858 garLoopResultBuilder]: For program point aws_array_list_is_validEXIT(lines 3259 3286) no Hoare annotation was computed. [2021-12-17 23:30:00,420 INFO L858 garLoopResultBuilder]: For program point L3279-2(lines 3279 3280) no Hoare annotation was computed. [2021-12-17 23:30:00,420 INFO L858 garLoopResultBuilder]: For program point L3279-5(lines 3279 3281) no Hoare annotation was computed. [2021-12-17 23:30:00,420 INFO L858 garLoopResultBuilder]: For program point L3263(lines 3263 3267) no Hoare annotation was computed. [2021-12-17 23:30:00,420 INFO L854 garLoopResultBuilder]: At program point L3272(line 3272) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (<= |aws_array_list_is_valid_#in~list.base| 0) (<= |aws_array_list_is_valid_#in~list.base| aws_array_list_is_valid_~list.base))) [2021-12-17 23:30:00,420 INFO L858 garLoopResultBuilder]: For program point L3272-1(line 3272) no Hoare annotation was computed. [2021-12-17 23:30:00,421 INFO L858 garLoopResultBuilder]: For program point aws_array_list_is_validFINAL(lines 3259 3286) no Hoare annotation was computed. [2021-12-17 23:30:00,421 INFO L858 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2021-12-17 23:30:00,421 INFO L858 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2021-12-17 23:30:00,421 INFO L861 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2021-12-17 23:30:00,421 INFO L858 garLoopResultBuilder]: For program point assert_byte_from_buffer_matchesEXIT(lines 7174 7178) no Hoare annotation was computed. [2021-12-17 23:30:00,421 INFO L861 garLoopResultBuilder]: At program point assert_byte_from_buffer_matchesENTRY(lines 7174 7178) the Hoare annotation is: true [2021-12-17 23:30:00,421 INFO L858 garLoopResultBuilder]: For program point L7175(lines 7175 7177) no Hoare annotation was computed. [2021-12-17 23:30:00,422 INFO L858 garLoopResultBuilder]: For program point L7176-1(line 7176) no Hoare annotation was computed. [2021-12-17 23:30:00,422 INFO L861 garLoopResultBuilder]: At program point L7176(line 7176) the Hoare annotation is: true [2021-12-17 23:30:00,422 INFO L858 garLoopResultBuilder]: For program point L7175-2(lines 7174 7178) no Hoare annotation was computed. [2021-12-17 23:30:00,422 INFO L854 garLoopResultBuilder]: At program point L2496(line 2496) the Hoare annotation is: (or (and (= |#memory_int| |old(#memory_int)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |#valid| |old(#valid)|) (= |#length| |old(#length)|) (= |#memory_real| |old(#memory_real)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (< 0 |#StackHeapBarrier|))) [2021-12-17 23:30:00,422 INFO L858 garLoopResultBuilder]: For program point L2497-1(line 2497) no Hoare annotation was computed. [2021-12-17 23:30:00,422 INFO L858 garLoopResultBuilder]: For program point aws_mul_size_checkedEXIT(lines 2584 2592) no Hoare annotation was computed. [2021-12-17 23:30:00,422 INFO L861 garLoopResultBuilder]: At program point L2497(line 2497) the Hoare annotation is: true [2021-12-17 23:30:00,423 INFO L858 garLoopResultBuilder]: For program point L2496-1(lines 2496 2497) no Hoare annotation was computed. [2021-12-17 23:30:00,423 INFO L858 garLoopResultBuilder]: For program point aws_mul_size_checkedFINAL(lines 2584 2592) no Hoare annotation was computed. [2021-12-17 23:30:00,423 INFO L854 garLoopResultBuilder]: At program point aws_mul_size_checkedENTRY(lines 2584 2592) the Hoare annotation is: (or (and (= |#memory_int| |old(#memory_int)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |#valid| |old(#valid)|) (= |#length| |old(#length)|) (= |#memory_real| |old(#memory_real)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (< 0 |#StackHeapBarrier|))) [2021-12-17 23:30:00,423 INFO L861 garLoopResultBuilder]: At program point L2499(lines 2495 2500) the Hoare annotation is: true [2021-12-17 23:30:00,424 INFO L861 garLoopResultBuilder]: At program point L7378(line 7378) the Hoare annotation is: true [2021-12-17 23:30:00,424 INFO L861 garLoopResultBuilder]: At program point L7381-3(lines 7381 7382) the Hoare annotation is: true [2021-12-17 23:30:00,424 INFO L858 garLoopResultBuilder]: For program point memcpy_implFINAL(lines 7373 7385) no Hoare annotation was computed. [2021-12-17 23:30:00,424 INFO L858 garLoopResultBuilder]: For program point L7379(line 7379) no Hoare annotation was computed. [2021-12-17 23:30:00,424 INFO L858 garLoopResultBuilder]: For program point L7381-2(lines 7381 7382) no Hoare annotation was computed. [2021-12-17 23:30:00,424 INFO L861 garLoopResultBuilder]: At program point L7374(line 7374) the Hoare annotation is: true [2021-12-17 23:30:00,424 INFO L858 garLoopResultBuilder]: For program point memcpy_implEXIT(lines 7373 7385) no Hoare annotation was computed. [2021-12-17 23:30:00,424 INFO L861 garLoopResultBuilder]: At program point memcpy_implENTRY(lines 7373 7385) the Hoare annotation is: true [2021-12-17 23:30:00,424 INFO L858 garLoopResultBuilder]: For program point L7381-4(lines 7381 7382) no Hoare annotation was computed. [2021-12-17 23:30:00,424 INFO L861 garLoopResultBuilder]: At program point L7374-1(line 7374) the Hoare annotation is: true [2021-12-17 23:30:00,424 INFO L858 garLoopResultBuilder]: For program point aws_array_list_lengthEXIT(lines 3487 3498) no Hoare annotation was computed. [2021-12-17 23:30:00,424 INFO L861 garLoopResultBuilder]: At program point aws_array_list_lengthENTRY(lines 3487 3498) the Hoare annotation is: true [2021-12-17 23:30:00,424 INFO L858 garLoopResultBuilder]: For program point aws_array_list_lengthFINAL(lines 3487 3498) no Hoare annotation was computed. [2021-12-17 23:30:00,424 INFO L861 garLoopResultBuilder]: At program point L3496(line 3496) the Hoare annotation is: true [2021-12-17 23:30:00,424 INFO L861 garLoopResultBuilder]: At program point L3494(line 3494) the Hoare annotation is: true [2021-12-17 23:30:00,424 INFO L858 garLoopResultBuilder]: For program point L3496-2(line 3496) no Hoare annotation was computed. [2021-12-17 23:30:00,424 INFO L861 garLoopResultBuilder]: At program point L3496-1(line 3496) the Hoare annotation is: true [2021-12-17 23:30:00,424 INFO L858 garLoopResultBuilder]: For program point L3494-2(line 3494) no Hoare annotation was computed. [2021-12-17 23:30:00,424 INFO L858 garLoopResultBuilder]: For program point L3493(line 3493) no Hoare annotation was computed. [2021-12-17 23:30:00,424 INFO L861 garLoopResultBuilder]: At program point L3494-1(line 3494) the Hoare annotation is: true [2021-12-17 23:30:00,425 INFO L858 garLoopResultBuilder]: For program point L3493-3(line 3493) no Hoare annotation was computed. [2021-12-17 23:30:00,425 INFO L861 garLoopResultBuilder]: At program point L3493-2(line 3493) the Hoare annotation is: true [2021-12-17 23:30:00,425 INFO L861 garLoopResultBuilder]: At program point can_fail_mallocENTRY(lines 2795 2799) the Hoare annotation is: true [2021-12-17 23:30:00,425 INFO L861 garLoopResultBuilder]: At program point L2798(line 2798) the Hoare annotation is: true [2021-12-17 23:30:00,425 INFO L861 garLoopResultBuilder]: At program point L2796(line 2796) the Hoare annotation is: true [2021-12-17 23:30:00,425 INFO L858 garLoopResultBuilder]: For program point L2798-1(line 2798) no Hoare annotation was computed. [2021-12-17 23:30:00,425 INFO L858 garLoopResultBuilder]: For program point L2796-1(lines 2796 2798) no Hoare annotation was computed. [2021-12-17 23:30:00,425 INFO L858 garLoopResultBuilder]: For program point L2796-3(lines 2796 2798) no Hoare annotation was computed. [2021-12-17 23:30:00,425 INFO L858 garLoopResultBuilder]: For program point can_fail_mallocFINAL(lines 2795 2799) no Hoare annotation was computed. [2021-12-17 23:30:00,425 INFO L858 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 2795 2799) no Hoare annotation was computed. [2021-12-17 23:30:00,425 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2021-12-17 23:30:00,425 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-12-17 23:30:00,425 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-17 23:30:00,425 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-12-17 23:30:00,425 INFO L854 garLoopResultBuilder]: At program point aws_raise_errorENTRY(lines 1988 1999) the Hoare annotation is: (or (= ~tl_last_error~0 |old(~tl_last_error~0)|) (not (< 0 |#StackHeapBarrier|))) [2021-12-17 23:30:00,425 INFO L858 garLoopResultBuilder]: For program point aws_raise_errorFINAL(lines 1988 1999) no Hoare annotation was computed. [2021-12-17 23:30:00,425 INFO L858 garLoopResultBuilder]: For program point L7363(lines 7363 7365) no Hoare annotation was computed. [2021-12-17 23:30:00,425 INFO L858 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2021-12-17 23:30:00,425 INFO L861 garLoopResultBuilder]: At program point my_memcpyENTRY(lines 7387 7389) the Hoare annotation is: true [2021-12-17 23:30:00,425 INFO L858 garLoopResultBuilder]: For program point my_memcpyFINAL(lines 7387 7389) no Hoare annotation was computed. [2021-12-17 23:30:00,425 INFO L858 garLoopResultBuilder]: For program point L7388-1(line 7388) no Hoare annotation was computed. [2021-12-17 23:30:00,426 INFO L861 garLoopResultBuilder]: At program point L7388(line 7388) the Hoare annotation is: true [2021-12-17 23:30:00,426 INFO L858 garLoopResultBuilder]: For program point my_memcpyEXIT(lines 7387 7389) no Hoare annotation was computed. [2021-12-17 23:30:00,426 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 2785 2787) no Hoare annotation was computed. [2021-12-17 23:30:00,426 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 2785 2787) no Hoare annotation was computed. [2021-12-17 23:30:00,426 INFO L861 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 2785 2787) the Hoare annotation is: true [2021-12-17 23:30:00,426 INFO L854 garLoopResultBuilder]: At program point __CPROVER_overflow_multENTRY(lines 253 256) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |#valid| |old(#valid)|) (= |#length| |old(#length)|))) [2021-12-17 23:30:00,426 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_multEXIT(lines 253 256) no Hoare annotation was computed. [2021-12-17 23:30:00,426 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_multFINAL(lines 253 256) no Hoare annotation was computed. [2021-12-17 23:30:00,426 INFO L858 garLoopResultBuilder]: For program point L3330-2(line 3330) no Hoare annotation was computed. [2021-12-17 23:30:00,426 INFO L854 garLoopResultBuilder]: At program point L3330-1(line 3330) the Hoare annotation is: false [2021-12-17 23:30:00,426 INFO L858 garLoopResultBuilder]: For program point L7996-1(line 7996) no Hoare annotation was computed. [2021-12-17 23:30:00,426 INFO L854 garLoopResultBuilder]: At program point L7996(line 7996) the Hoare annotation is: false [2021-12-17 23:30:00,426 INFO L858 garLoopResultBuilder]: For program point L7980-1(line 7980) no Hoare annotation was computed. [2021-12-17 23:30:00,426 INFO L854 garLoopResultBuilder]: At program point L7980(line 7980) the Hoare annotation is: false [2021-12-17 23:30:00,426 INFO L858 garLoopResultBuilder]: For program point L3331(line 3331) no Hoare annotation was computed. [2021-12-17 23:30:00,426 INFO L858 garLoopResultBuilder]: For program point L3331-3(line 3331) no Hoare annotation was computed. [2021-12-17 23:30:00,426 INFO L854 garLoopResultBuilder]: At program point L3331-2(line 3331) the Hoare annotation is: false [2021-12-17 23:30:00,426 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 23:30:00,426 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 23:30:00,426 INFO L858 garLoopResultBuilder]: For program point L7196-1(line 7196) no Hoare annotation was computed. [2021-12-17 23:30:00,426 INFO L858 garLoopResultBuilder]: For program point L7997-1(line 7997) no Hoare annotation was computed. [2021-12-17 23:30:00,427 INFO L854 garLoopResultBuilder]: At program point L7196(line 7196) the Hoare annotation is: false [2021-12-17 23:30:00,427 INFO L854 garLoopResultBuilder]: At program point L7997(line 7997) the Hoare annotation is: false [2021-12-17 23:30:00,427 INFO L858 garLoopResultBuilder]: For program point L7989-2(line 7989) no Hoare annotation was computed. [2021-12-17 23:30:00,427 INFO L854 garLoopResultBuilder]: At program point L7989-1(line 7989) the Hoare annotation is: false [2021-12-17 23:30:00,427 INFO L861 garLoopResultBuilder]: At program point L7188(lines 7188 7205) the Hoare annotation is: true [2021-12-17 23:30:00,427 INFO L854 garLoopResultBuilder]: At program point L7989(line 7989) the Hoare annotation is: false [2021-12-17 23:30:00,427 INFO L858 garLoopResultBuilder]: For program point L7981-1(line 7981) no Hoare annotation was computed. [2021-12-17 23:30:00,427 INFO L858 garLoopResultBuilder]: For program point L7180(lines 7180 7186) no Hoare annotation was computed. [2021-12-17 23:30:00,427 INFO L854 garLoopResultBuilder]: At program point L7981(line 7981) the Hoare annotation is: false [2021-12-17 23:30:00,427 INFO L858 garLoopResultBuilder]: For program point L7990(line 7990) no Hoare annotation was computed. [2021-12-17 23:30:00,427 INFO L858 garLoopResultBuilder]: For program point L7990-3(line 7990) no Hoare annotation was computed. [2021-12-17 23:30:00,427 INFO L854 garLoopResultBuilder]: At program point L7990-2(line 7990) the Hoare annotation is: false [2021-12-17 23:30:00,427 INFO L854 garLoopResultBuilder]: At program point L3341-1(line 3341) the Hoare annotation is: false [2021-12-17 23:30:00,428 INFO L854 garLoopResultBuilder]: At program point L3341(line 3341) the Hoare annotation is: false [2021-12-17 23:30:00,428 INFO L858 garLoopResultBuilder]: For program point L7181(lines 7181 7185) no Hoare annotation was computed. [2021-12-17 23:30:00,428 INFO L858 garLoopResultBuilder]: For program point L3341-2(line 3341) no Hoare annotation was computed. [2021-12-17 23:30:00,428 INFO L854 garLoopResultBuilder]: At program point L7198(line 7198) the Hoare annotation is: false [2021-12-17 23:30:00,428 INFO L858 garLoopResultBuilder]: For program point L7198-1(line 7198) no Hoare annotation was computed. [2021-12-17 23:30:00,428 INFO L854 garLoopResultBuilder]: At program point L3342(line 3342) the Hoare annotation is: false [2021-12-17 23:30:00,428 INFO L854 garLoopResultBuilder]: At program point L3342-2(lines 3328 3343) the Hoare annotation is: false [2021-12-17 23:30:00,428 INFO L858 garLoopResultBuilder]: For program point L3342-1(line 3342) no Hoare annotation was computed. [2021-12-17 23:30:00,429 INFO L854 garLoopResultBuilder]: At program point L3334(line 3334) the Hoare annotation is: false [2021-12-17 23:30:00,429 INFO L858 garLoopResultBuilder]: For program point L3334-1(lines 3334 3339) no Hoare annotation was computed. [2021-12-17 23:30:00,429 INFO L858 garLoopResultBuilder]: For program point L7199-1(line 7199) no Hoare annotation was computed. [2021-12-17 23:30:00,429 INFO L854 garLoopResultBuilder]: At program point L7199(line 7199) the Hoare annotation is: false [2021-12-17 23:30:00,429 INFO L858 garLoopResultBuilder]: For program point L7183-1(line 7183) no Hoare annotation was computed. [2021-12-17 23:30:00,429 INFO L854 garLoopResultBuilder]: At program point L7183(line 7183) the Hoare annotation is: false [2021-12-17 23:30:00,429 INFO L858 garLoopResultBuilder]: For program point L7976-2(line 7976) no Hoare annotation was computed. [2021-12-17 23:30:00,429 INFO L854 garLoopResultBuilder]: At program point L7976-1(line 7976) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2021-12-17 23:30:00,429 INFO L854 garLoopResultBuilder]: At program point L7976(line 7976) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2021-12-17 23:30:00,430 INFO L854 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: false [2021-12-17 23:30:00,430 INFO L858 garLoopResultBuilder]: For program point L3335-1(line 3335) no Hoare annotation was computed. [2021-12-17 23:30:00,430 INFO L854 garLoopResultBuilder]: At program point L3335(line 3335) the Hoare annotation is: false [2021-12-17 23:30:00,430 INFO L858 garLoopResultBuilder]: For program point L7200-1(line 7200) no Hoare annotation was computed. [2021-12-17 23:30:00,430 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 23:30:00,430 INFO L858 garLoopResultBuilder]: For program point L8001-1(line 8001) no Hoare annotation was computed. [2021-12-17 23:30:00,430 INFO L854 garLoopResultBuilder]: At program point L7200(line 7200) the Hoare annotation is: false [2021-12-17 23:30:00,430 INFO L854 garLoopResultBuilder]: At program point L8001(line 8001) the Hoare annotation is: false [2021-12-17 23:30:00,430 INFO L854 garLoopResultBuilder]: At program point L7993-2(lines 7993 7998) the Hoare annotation is: false [2021-12-17 23:30:00,431 INFO L858 garLoopResultBuilder]: For program point L7993(lines 7993 7998) no Hoare annotation was computed. [2021-12-17 23:30:00,431 INFO L854 garLoopResultBuilder]: At program point L3336(line 3336) the Hoare annotation is: false [2021-12-17 23:30:00,431 INFO L854 garLoopResultBuilder]: At program point L7977-1(line 7977) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2021-12-17 23:30:00,431 INFO L854 garLoopResultBuilder]: At program point L7977(line 7977) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2021-12-17 23:30:00,431 INFO L858 garLoopResultBuilder]: For program point L3336-1(line 3336) no Hoare annotation was computed. [2021-12-17 23:30:00,431 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 23:30:00,431 INFO L858 garLoopResultBuilder]: For program point L7201-1(line 7201) no Hoare annotation was computed. [2021-12-17 23:30:00,431 INFO L854 garLoopResultBuilder]: At program point L7201(line 7201) the Hoare annotation is: false [2021-12-17 23:30:00,431 INFO L858 garLoopResultBuilder]: For program point L7193(lines 7193 7197) no Hoare annotation was computed. [2021-12-17 23:30:00,432 INFO L854 garLoopResultBuilder]: At program point L7978(line 7978) the Hoare annotation is: (= |ULTIMATE.start_aws_array_list_front_harness_#t~ret797#1| 0) [2021-12-17 23:30:00,432 INFO L854 garLoopResultBuilder]: At program point L3337-1(line 3337) the Hoare annotation is: false [2021-12-17 23:30:00,432 INFO L854 garLoopResultBuilder]: At program point L3337(line 3337) the Hoare annotation is: false [2021-12-17 23:30:00,432 INFO L858 garLoopResultBuilder]: For program point L7978-1(line 7978) no Hoare annotation was computed. [2021-12-17 23:30:00,432 INFO L858 garLoopResultBuilder]: For program point L3337-2(line 3337) no Hoare annotation was computed. [2021-12-17 23:30:00,432 INFO L858 garLoopResultBuilder]: For program point L7202(lines 7202 7204) no Hoare annotation was computed. [2021-12-17 23:30:00,432 INFO L858 garLoopResultBuilder]: For program point L7995-1(line 7995) no Hoare annotation was computed. [2021-12-17 23:30:00,432 INFO L854 garLoopResultBuilder]: At program point L7995(line 7995) the Hoare annotation is: false [2021-12-17 23:30:00,432 INFO L858 garLoopResultBuilder]: For program point L7203-1(line 7203) no Hoare annotation was computed. [2021-12-17 23:30:00,433 INFO L854 garLoopResultBuilder]: At program point L7203(line 7203) the Hoare annotation is: false [2021-12-17 23:30:00,433 INFO L858 garLoopResultBuilder]: For program point L7971(lines 7971 8003) no Hoare annotation was computed. [2021-12-17 23:30:00,433 INFO L854 garLoopResultBuilder]: At program point L3330(line 3330) the Hoare annotation is: false [2021-12-17 23:30:00,433 INFO L861 garLoopResultBuilder]: At program point L8004(line 8004) the Hoare annotation is: true [2021-12-17 23:30:00,433 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-12-17 23:30:00,433 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-12-17 23:30:00,433 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-12-17 23:30:00,433 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-12-17 23:30:00,433 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-12-17 23:30:00,434 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-12-17 23:30:00,436 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-17 23:30:00,437 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 23:30:00,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 11:30:00 BoogieIcfgContainer [2021-12-17 23:30:00,443 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 23:30:00,444 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 23:30:00,444 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 23:30:00,444 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 23:30:00,444 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 11:29:54" (3/4) ... [2021-12-17 23:30:00,446 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 23:30:00,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2021-12-17 23:30:00,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-12-17 23:30:00,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_array_list_has_allocated_data_member [2021-12-17 23:30:00,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_bounded [2021-12-17 23:30:00,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_valid [2021-12-17 23:30:00,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-12-17 23:30:00,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-12-17 23:30:00,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2021-12-17 23:30:00,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure my_memcpy [2021-12-17 23:30:00,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2021-12-17 23:30:00,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2021-12-17 23:30:00,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_byte_from_buffer_matches [2021-12-17 23:30:00,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2021-12-17 23:30:00,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure memcpy_impl [2021-12-17 23:30:00,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_length [2021-12-17 23:30:00,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-12-17 23:30:00,459 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 145 nodes and edges [2021-12-17 23:30:00,464 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 65 nodes and edges [2021-12-17 23:30:00,465 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-12-17 23:30:00,466 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-12-17 23:30:00,466 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-12-17 23:30:00,467 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-12-17 23:30:00,468 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 23:30:00,469 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 23:30:00,985 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 23:30:00,986 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 23:30:00,986 INFO L158 Benchmark]: Toolchain (without parser) took 8557.28ms. Allocated memory was 88.1MB in the beginning and 226.5MB in the end (delta: 138.4MB). Free memory was 48.0MB in the beginning and 81.2MB in the end (delta: -33.2MB). Peak memory consumption was 163.4MB. Max. memory is 16.1GB. [2021-12-17 23:30:00,986 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 88.1MB. Free memory was 45.4MB in the beginning and 45.4MB in the end (delta: 35.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 23:30:00,986 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1347.48ms. Allocated memory was 88.1MB in the beginning and 157.3MB in the end (delta: 69.2MB). Free memory was 47.8MB in the beginning and 104.4MB in the end (delta: -56.6MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2021-12-17 23:30:00,987 INFO L158 Benchmark]: Boogie Procedure Inliner took 125.96ms. Allocated memory is still 157.3MB. Free memory was 104.4MB in the beginning and 95.2MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-17 23:30:00,987 INFO L158 Benchmark]: Boogie Preprocessor took 81.30ms. Allocated memory is still 157.3MB. Free memory was 95.2MB in the beginning and 88.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-17 23:30:00,987 INFO L158 Benchmark]: RCFGBuilder took 701.43ms. Allocated memory is still 157.3MB. Free memory was 88.9MB in the beginning and 87.3MB in the end (delta: 1.6MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2021-12-17 23:30:00,987 INFO L158 Benchmark]: TraceAbstraction took 5751.15ms. Allocated memory was 157.3MB in the beginning and 226.5MB in the end (delta: 69.2MB). Free memory was 87.0MB in the beginning and 64.4MB in the end (delta: 22.7MB). Peak memory consumption was 91.9MB. Max. memory is 16.1GB. [2021-12-17 23:30:00,987 INFO L158 Benchmark]: Witness Printer took 541.85ms. Allocated memory is still 226.5MB. Free memory was 64.4MB in the beginning and 81.2MB in the end (delta: -16.9MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2021-12-17 23:30:00,988 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 88.1MB. Free memory was 45.4MB in the beginning and 45.4MB in the end (delta: 35.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1347.48ms. Allocated memory was 88.1MB in the beginning and 157.3MB in the end (delta: 69.2MB). Free memory was 47.8MB in the beginning and 104.4MB in the end (delta: -56.6MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 125.96ms. Allocated memory is still 157.3MB. Free memory was 104.4MB in the beginning and 95.2MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.30ms. Allocated memory is still 157.3MB. Free memory was 95.2MB in the beginning and 88.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 701.43ms. Allocated memory is still 157.3MB. Free memory was 88.9MB in the beginning and 87.3MB in the end (delta: 1.6MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5751.15ms. Allocated memory was 157.3MB in the beginning and 226.5MB in the end (delta: 69.2MB). Free memory was 87.0MB in the beginning and 64.4MB in the end (delta: 22.7MB). Peak memory consumption was 91.9MB. Max. memory is 16.1GB. * Witness Printer took 541.85ms. Allocated memory is still 226.5MB. Free memory was 64.4MB in the beginning and 81.2MB in the end (delta: -16.9MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 17 procedures, 182 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.7s, OverallIterations: 5, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 509 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 447 mSDsluCounter, 4400 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3445 mSDsCounter, 455 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1647 IncrementalHoareTripleChecker+Invalid, 2102 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 455 mSolverCounterUnsat, 955 mSDtfsCounter, 1647 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 465 GetRequests, 419 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=194occurred in iteration=4, InterpolantAutomatonStates: 40, 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, 5 MinimizatonAttempts, 147 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 76 LocationsWithAnnotation, 405 PreInvPairs, 413 NumberOfFragments, 323 HoareAnnotationTreeSize, 405 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 76 FomulaSimplificationsInter, 278 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 759 NumberOfCodeBlocks, 759 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 753 ConstructedInterpolants, 0 QuantifiedInterpolants, 1539 SizeOfPredicates, 4 NumberOfNonLiveVariables, 4583 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 1291/1320 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 3328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2495]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8004]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7188]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7381]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-17 23:30:01,011 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE