./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_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 b64b813c3d856efe8cd859d380d09d4b682c371a0a165a5a5fe0d11dc206dad7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 22:20:09,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 22:20:09,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 22:20:09,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 22:20:09,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 22:20:09,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 22:20:09,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 22:20:09,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 22:20:09,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 22:20:09,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 22:20:09,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 22:20:09,625 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 22:20:09,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 22:20:09,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 22:20:09,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 22:20:09,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 22:20:09,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 22:20:09,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 22:20:09,647 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 22:20:09,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 22:20:09,655 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 22:20:09,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 22:20:09,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 22:20:09,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 22:20:09,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 22:20:09,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 22:20:09,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 22:20:09,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 22:20:09,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 22:20:09,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 22:20:09,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 22:20:09,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 22:20:09,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 22:20:09,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 22:20:09,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 22:20:09,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 22:20:09,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 22:20:09,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 22:20:09,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 22:20:09,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 22:20:09,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 22:20:09,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 22:20:09,680 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 22:20:09,724 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 22:20:09,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 22:20:09,726 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 22:20:09,727 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 22:20:09,728 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 22:20:09,728 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 22:20:09,729 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 22:20:09,729 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 22:20:09,729 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 22:20:09,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 22:20:09,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 22:20:09,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 22:20:09,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 22:20:09,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 22:20:09,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 22:20:09,731 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 22:20:09,731 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 22:20:09,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 22:20:09,732 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 22:20:09,732 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 22:20:09,732 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 22:20:09,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 22:20:09,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 22:20:09,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 22:20:09,733 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 22:20:09,733 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 22:20:09,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 22:20:09,738 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 22:20:09,738 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 22:20:09,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 22:20:09,739 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b64b813c3d856efe8cd859d380d09d4b682c371a0a165a5a5fe0d11dc206dad7 [2022-07-19 22:20:10,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 22:20:10,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 22:20:10,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 22:20:10,047 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 22:20:10,047 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 22:20:10,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i [2022-07-19 22:20:10,123 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef8ef3a57/35ae70c6a24c4b3c92f5460db4cb07e0/FLAGd76741db3 [2022-07-19 22:20:10,791 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 22:20:10,795 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i [2022-07-19 22:20:10,850 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef8ef3a57/35ae70c6a24c4b3c92f5460db4cb07e0/FLAGd76741db3 [2022-07-19 22:20:10,937 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef8ef3a57/35ae70c6a24c4b3c92f5460db4cb07e0 [2022-07-19 22:20:10,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 22:20:10,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 22:20:10,943 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 22:20:10,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 22:20:10,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 22:20:10,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:20:10" (1/1) ... [2022-07-19 22:20:10,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e609572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:20:10, skipping insertion in model container [2022-07-19 22:20:10,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:20:10" (1/1) ... [2022-07-19 22:20:10,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 22:20:11,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 22:20:11,316 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i[4493,4506] [2022-07-19 22:20:11,325 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i[4553,4566] [2022-07-19 22:20:12,066 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:12,071 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:12,071 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:12,072 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:12,073 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:12,084 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:12,085 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:12,087 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:12,088 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:12,367 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-19 22:20:12,368 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-19 22:20:12,369 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-19 22:20:12,371 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-19 22:20:12,375 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-19 22:20:12,380 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-19 22:20:12,381 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-19 22:20:12,382 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-19 22:20:12,385 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-19 22:20:12,387 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-19 22:20:12,584 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-19 22:20:12,692 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:12,692 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:12,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 22:20:12,763 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 22:20:12,793 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i[4493,4506] [2022-07-19 22:20:12,795 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i[4553,4566] [2022-07-19 22:20:12,840 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:12,841 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:12,841 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:12,841 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:12,842 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:12,846 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:12,847 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:12,848 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:12,848 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:12,903 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-19 22:20:12,904 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-19 22:20:12,905 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-19 22:20:12,913 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-19 22:20:12,915 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-19 22:20:12,916 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-19 22:20:12,916 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-19 22:20:12,916 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-19 22:20:12,917 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-19 22:20:12,917 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-19 22:20:12,947 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-19 22:20:13,028 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:13,029 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:13,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 22:20:13,239 INFO L208 MainTranslator]: Completed translation [2022-07-19 22:20:13,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:20:13 WrapperNode [2022-07-19 22:20:13,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 22:20:13,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 22:20:13,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 22:20:13,241 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 22:20:13,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:20:13" (1/1) ... [2022-07-19 22:20:13,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:20:13" (1/1) ... [2022-07-19 22:20:13,431 INFO L137 Inliner]: procedures = 681, calls = 2272, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 391 [2022-07-19 22:20:13,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 22:20:13,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 22:20:13,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 22:20:13,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 22:20:13,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:20:13" (1/1) ... [2022-07-19 22:20:13,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:20:13" (1/1) ... [2022-07-19 22:20:13,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:20:13" (1/1) ... [2022-07-19 22:20:13,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:20:13" (1/1) ... [2022-07-19 22:20:13,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:20:13" (1/1) ... [2022-07-19 22:20:13,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:20:13" (1/1) ... [2022-07-19 22:20:13,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:20:13" (1/1) ... [2022-07-19 22:20:13,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 22:20:13,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 22:20:13,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 22:20:13,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 22:20:13,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:20:13" (1/1) ... [2022-07-19 22:20:13,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 22:20:13,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 22:20:13,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-19 22:20:13,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-19 22:20:13,608 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_c_str [2022-07-19 22:20:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_c_str [2022-07-19 22:20:13,609 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-07-19 22:20:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-07-19 22:20:13,609 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2022-07-19 22:20:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2022-07-19 22:20:13,610 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-07-19 22:20:13,610 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-07-19 22:20:13,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-19 22:20:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-07-19 22:20:13,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-07-19 22:20:13,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 22:20:13,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 22:20:13,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 22:20:13,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 22:20:13,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 22:20:13,613 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-07-19 22:20:13,614 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-07-19 22:20:13,614 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-19 22:20:13,614 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-19 22:20:13,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 22:20:13,614 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-07-19 22:20:13,614 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-07-19 22:20:13,615 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-07-19 22:20:13,615 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-07-19 22:20:13,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-19 22:20:13,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 22:20:13,861 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 22:20:13,863 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 22:20:14,248 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 22:20:14,257 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 22:20:14,258 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-19 22:20:14,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:20:14 BoogieIcfgContainer [2022-07-19 22:20:14,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 22:20:14,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 22:20:14,265 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 22:20:14,268 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 22:20:14,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:20:10" (1/3) ... [2022-07-19 22:20:14,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6602ccfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:20:14, skipping insertion in model container [2022-07-19 22:20:14,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:20:13" (2/3) ... [2022-07-19 22:20:14,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6602ccfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:20:14, skipping insertion in model container [2022-07-19 22:20:14,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:20:14" (3/3) ... [2022-07-19 22:20:14,272 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_eq_c_str_harness.i [2022-07-19 22:20:14,286 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 22:20:14,287 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 22:20:14,346 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 22:20:14,352 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@46740945, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5daf4431 [2022-07-19 22:20:14,352 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 22:20:14,356 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 70 states have (on average 1.2428571428571429) internal successors, (87), 71 states have internal predecessors, (87), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2022-07-19 22:20:14,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-07-19 22:20:14,365 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:20:14,366 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:20:14,366 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:20:14,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:20:14,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1676862830, now seen corresponding path program 1 times [2022-07-19 22:20:14,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:20:14,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987650639] [2022-07-19 22:20:14,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:20:14,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:20:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:14,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 22:20:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:14,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 22:20:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:14,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 22:20:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:14,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 22:20:14,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:14,834 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 22:20:14,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:20:14,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987650639] [2022-07-19 22:20:14,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987650639] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:20:14,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:20:14,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 22:20:14,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74854415] [2022-07-19 22:20:14,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:20:14,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 22:20:14,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:20:14,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 22:20:14,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 22:20:14,874 INFO L87 Difference]: Start difference. First operand has 107 states, 70 states have (on average 1.2428571428571429) internal successors, (87), 71 states have internal predecessors, (87), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-19 22:20:14,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:20:14,904 INFO L93 Difference]: Finished difference Result 205 states and 281 transitions. [2022-07-19 22:20:14,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 22:20:14,917 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36 [2022-07-19 22:20:14,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:20:14,925 INFO L225 Difference]: With dead ends: 205 [2022-07-19 22:20:14,925 INFO L226 Difference]: Without dead ends: 101 [2022-07-19 22:20:14,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 22:20:14,931 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 22:20:14,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 22:20:14,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-07-19 22:20:14,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2022-07-19 22:20:14,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 65 states have (on average 1.1846153846153846) internal successors, (77), 66 states have internal predecessors, (77), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2022-07-19 22:20:14,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 128 transitions. [2022-07-19 22:20:14,973 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 128 transitions. Word has length 36 [2022-07-19 22:20:14,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:20:14,980 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 128 transitions. [2022-07-19 22:20:14,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-19 22:20:14,981 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 128 transitions. [2022-07-19 22:20:14,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-07-19 22:20:14,984 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:20:14,985 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:20:14,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 22:20:14,985 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:20:14,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:20:14,986 INFO L85 PathProgramCache]: Analyzing trace with hash -12080912, now seen corresponding path program 1 times [2022-07-19 22:20:14,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:20:14,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651394147] [2022-07-19 22:20:14,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:20:14,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:20:15,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:15,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 22:20:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:15,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 22:20:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:15,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 22:20:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:15,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 22:20:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:15,200 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 22:20:15,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:20:15,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651394147] [2022-07-19 22:20:15,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651394147] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:20:15,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:20:15,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 22:20:15,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022691044] [2022-07-19 22:20:15,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:20:15,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 22:20:15,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:20:15,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 22:20:15,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 22:20:15,212 INFO L87 Difference]: Start difference. First operand 101 states and 128 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-19 22:20:15,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:20:15,272 INFO L93 Difference]: Finished difference Result 148 states and 186 transitions. [2022-07-19 22:20:15,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 22:20:15,273 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 36 [2022-07-19 22:20:15,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:20:15,276 INFO L225 Difference]: With dead ends: 148 [2022-07-19 22:20:15,277 INFO L226 Difference]: Without dead ends: 101 [2022-07-19 22:20:15,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 22:20:15,279 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 6 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 22:20:15,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 380 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 22:20:15,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-07-19 22:20:15,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2022-07-19 22:20:15,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 65 states have (on average 1.1692307692307693) internal successors, (76), 66 states have internal predecessors, (76), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2022-07-19 22:20:15,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 127 transitions. [2022-07-19 22:20:15,290 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 127 transitions. Word has length 36 [2022-07-19 22:20:15,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:20:15,291 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 127 transitions. [2022-07-19 22:20:15,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-19 22:20:15,291 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 127 transitions. [2022-07-19 22:20:15,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-07-19 22:20:15,293 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:20:15,294 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:20:15,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 22:20:15,294 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:20:15,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:20:15,295 INFO L85 PathProgramCache]: Analyzing trace with hash 2108660913, now seen corresponding path program 1 times [2022-07-19 22:20:15,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:20:15,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704892597] [2022-07-19 22:20:15,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:20:15,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:20:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:15,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 22:20:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:15,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 22:20:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:15,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 22:20:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:15,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 22:20:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:15,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 22:20:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:15,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:20:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:15,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 22:20:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:15,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-19 22:20:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:15,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-19 22:20:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:15,547 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-19 22:20:15,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:20:15,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704892597] [2022-07-19 22:20:15,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704892597] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:20:15,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:20:15,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-19 22:20:15,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501112315] [2022-07-19 22:20:15,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:20:15,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 22:20:15,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:20:15,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 22:20:15,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 22:20:15,549 INFO L87 Difference]: Start difference. First operand 101 states and 127 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2022-07-19 22:20:15,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:20:15,919 INFO L93 Difference]: Finished difference Result 138 states and 169 transitions. [2022-07-19 22:20:15,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 22:20:15,920 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) Word has length 64 [2022-07-19 22:20:15,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:20:15,924 INFO L225 Difference]: With dead ends: 138 [2022-07-19 22:20:15,924 INFO L226 Difference]: Without dead ends: 101 [2022-07-19 22:20:15,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-07-19 22:20:15,926 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 89 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-19 22:20:15,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 454 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-19 22:20:15,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-07-19 22:20:15,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2022-07-19 22:20:15,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 65 states have (on average 1.1538461538461537) internal successors, (75), 66 states have internal predecessors, (75), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2022-07-19 22:20:15,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 126 transitions. [2022-07-19 22:20:15,948 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 126 transitions. Word has length 64 [2022-07-19 22:20:15,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:20:15,951 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 126 transitions. [2022-07-19 22:20:15,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2022-07-19 22:20:15,951 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 126 transitions. [2022-07-19 22:20:15,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-07-19 22:20:15,953 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:20:15,953 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:20:15,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 22:20:15,954 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:20:15,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:20:15,954 INFO L85 PathProgramCache]: Analyzing trace with hash -63104247, now seen corresponding path program 1 times [2022-07-19 22:20:15,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:20:15,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149701336] [2022-07-19 22:20:15,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:20:15,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:20:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:16,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 22:20:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:16,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 22:20:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:16,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 22:20:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:16,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 22:20:16,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:16,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 22:20:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:16,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:20:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:16,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 22:20:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:16,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-19 22:20:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:16,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-19 22:20:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:16,202 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-19 22:20:16,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:20:16,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149701336] [2022-07-19 22:20:16,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149701336] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:20:16,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:20:16,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 22:20:16,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723885340] [2022-07-19 22:20:16,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:20:16,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 22:20:16,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:20:16,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 22:20:16,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 22:20:16,206 INFO L87 Difference]: Start difference. First operand 101 states and 126 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-07-19 22:20:16,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:20:16,457 INFO L93 Difference]: Finished difference Result 159 states and 199 transitions. [2022-07-19 22:20:16,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 22:20:16,457 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 65 [2022-07-19 22:20:16,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:20:16,463 INFO L225 Difference]: With dead ends: 159 [2022-07-19 22:20:16,463 INFO L226 Difference]: Without dead ends: 101 [2022-07-19 22:20:16,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 22:20:16,468 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 41 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 22:20:16,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 288 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 22:20:16,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-07-19 22:20:16,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2022-07-19 22:20:16,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 65 states have (on average 1.1384615384615384) internal successors, (74), 66 states have internal predecessors, (74), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2022-07-19 22:20:16,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 125 transitions. [2022-07-19 22:20:16,494 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 125 transitions. Word has length 65 [2022-07-19 22:20:16,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:20:16,494 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 125 transitions. [2022-07-19 22:20:16,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-07-19 22:20:16,496 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 125 transitions. [2022-07-19 22:20:16,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-07-19 22:20:16,500 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:20:16,500 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:20:16,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 22:20:16,501 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:20:16,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:20:16,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1726009102, now seen corresponding path program 1 times [2022-07-19 22:20:16,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:20:16,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079188368] [2022-07-19 22:20:16,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:20:16,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:20:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:16,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 22:20:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:16,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 22:20:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:16,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:20:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:16,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:20:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:17,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 22:20:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:17,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:20:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:17,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 22:20:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:17,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-19 22:20:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:17,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-19 22:20:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:17,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-19 22:20:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:17,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-19 22:20:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:17,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:20:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:17,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-19 22:20:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:17,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-19 22:20:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:17,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-19 22:20:17,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:17,285 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-07-19 22:20:17,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:20:17,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079188368] [2022-07-19 22:20:17,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079188368] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 22:20:17,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233445509] [2022-07-19 22:20:17,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:20:17,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 22:20:17,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 22:20:17,291 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 22:20:17,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 22:20:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:17,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 911 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-19 22:20:17,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 22:20:17,748 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-07-19 22:20:17,749 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 22:20:17,889 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-07-19 22:20:17,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233445509] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 22:20:17,890 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 22:20:17,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 11, 11] total 27 [2022-07-19 22:20:17,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275087098] [2022-07-19 22:20:17,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 22:20:17,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-07-19 22:20:17,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:20:17,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-07-19 22:20:17,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=642, Unknown=0, NotChecked=0, Total=702 [2022-07-19 22:20:17,893 INFO L87 Difference]: Start difference. First operand 101 states and 125 transitions. Second operand has 27 states, 25 states have (on average 3.12) internal successors, (78), 20 states have internal predecessors, (78), 10 states have call successors, (26), 4 states have call predecessors, (26), 7 states have return successors, (25), 13 states have call predecessors, (25), 10 states have call successors, (25) [2022-07-19 22:20:18,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:20:18,503 INFO L93 Difference]: Finished difference Result 116 states and 137 transitions. [2022-07-19 22:20:18,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 22:20:18,503 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 3.12) internal successors, (78), 20 states have internal predecessors, (78), 10 states have call successors, (26), 4 states have call predecessors, (26), 7 states have return successors, (25), 13 states have call predecessors, (25), 10 states have call successors, (25) Word has length 99 [2022-07-19 22:20:18,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:20:18,504 INFO L225 Difference]: With dead ends: 116 [2022-07-19 22:20:18,504 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 22:20:18,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=146, Invalid=1336, Unknown=0, NotChecked=0, Total=1482 [2022-07-19 22:20:18,505 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 58 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-19 22:20:18,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 316 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-19 22:20:18,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 22:20:18,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 22:20:18,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 22:20:18,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 22:20:18,506 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2022-07-19 22:20:18,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:20:18,507 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 22:20:18,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 3.12) internal successors, (78), 20 states have internal predecessors, (78), 10 states have call successors, (26), 4 states have call predecessors, (26), 7 states have return successors, (25), 13 states have call predecessors, (25), 10 states have call successors, (25) [2022-07-19 22:20:18,507 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 22:20:18,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 22:20:18,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 22:20:18,534 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-19 22:20:18,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 22:20:18,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-19 22:20:18,919 INFO L895 garLoopResultBuilder]: At program point L6816(lines 6807 6817) the Hoare annotation is: (and (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= (+ (- 16) |ensure_string_is_allocated_bounded_length_~max_size#1|) 0)) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_#res#1.base| 0)) (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16))) [2022-07-19 22:20:18,920 INFO L899 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthEXIT(lines 6801 6805) no Hoare annotation was computed. [2022-07-19 22:20:18,920 INFO L899 garLoopResultBuilder]: For program point L6811-1(lines 6811 6812) no Hoare annotation was computed. [2022-07-19 22:20:18,920 INFO L895 garLoopResultBuilder]: At program point L6811(line 6811) the Hoare annotation is: (and (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= (+ (- 16) |ensure_string_is_allocated_bounded_length_~max_size#1|) 0)) (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16))) [2022-07-19 22:20:18,920 INFO L899 garLoopResultBuilder]: For program point L6811-5(lines 6811 6812) no Hoare annotation was computed. [2022-07-19 22:20:18,920 INFO L899 garLoopResultBuilder]: For program point L6808-1(line 6808) no Hoare annotation was computed. [2022-07-19 22:20:18,920 INFO L895 garLoopResultBuilder]: At program point L6808(line 6808) the Hoare annotation is: (let ((.cse0 (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16)))) (and (or (<= 0 (+ (* 18446744073709551616 (div (+ (* (- 1) |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) 15) 18446744073709551616)) |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|)) .cse0) (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= (+ (- 16) |ensure_string_is_allocated_bounded_length_~max_size#1|) 0)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (or .cse0 (let ((.cse1 (* 18446744073709551616 (div |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616)))) (<= .cse1 (+ |ensure_string_is_allocated_bounded_length_~len~1#1| (* 18446744073709551616 (div (+ .cse1 15 (* (- 1) |ensure_string_is_allocated_bounded_length_~len~1#1|)) 18446744073709551616)))))) (= |old(#valid)| |#valid|))) [2022-07-19 22:20:18,920 INFO L899 garLoopResultBuilder]: For program point L6811-3(line 6811) no Hoare annotation was computed. [2022-07-19 22:20:18,920 INFO L895 garLoopResultBuilder]: At program point L6811-2(line 6811) the Hoare annotation is: (and (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= (+ (- 16) |ensure_string_is_allocated_bounded_length_~max_size#1|) 0)) (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16))) [2022-07-19 22:20:18,920 INFO L895 garLoopResultBuilder]: At program point L6802(line 6802) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= (+ (- 16) |ensure_string_is_allocated_bounded_length_~max_size#1|) 0)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-07-19 22:20:18,920 INFO L899 garLoopResultBuilder]: For program point L6803-1(line 6803) no Hoare annotation was computed. [2022-07-19 22:20:18,921 INFO L895 garLoopResultBuilder]: At program point L6803(line 6803) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= (+ (- 16) |ensure_string_is_allocated_bounded_length_~max_size#1|) 0)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-07-19 22:20:18,921 INFO L895 garLoopResultBuilder]: At program point ensure_string_is_allocated_bounded_lengthENTRY(lines 6801 6805) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-07-19 22:20:18,921 INFO L899 garLoopResultBuilder]: For program point L6802-1(line 6802) no Hoare annotation was computed. [2022-07-19 22:20:18,921 INFO L899 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthFINAL(lines 6801 6805) no Hoare annotation was computed. [2022-07-19 22:20:18,921 INFO L895 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6883 6888) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-07-19 22:20:18,921 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6883 6888) no Hoare annotation was computed. [2022-07-19 22:20:18,921 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6883 6888) no Hoare annotation was computed. [2022-07-19 22:20:18,921 INFO L899 garLoopResultBuilder]: For program point L6884-1(lines 6884 6886) no Hoare annotation was computed. [2022-07-19 22:20:18,921 INFO L895 garLoopResultBuilder]: At program point L6884(lines 6884 6886) the Hoare annotation is: (and (= |bounded_malloc_#in~size| bounded_malloc_~size) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-07-19 22:20:18,921 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2022-07-19 22:20:18,921 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-07-19 22:20:18,921 INFO L902 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2022-07-19 22:20:18,921 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2022-07-19 22:20:18,921 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-07-19 22:20:18,921 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-07-19 22:20:18,921 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-07-19 22:20:18,922 INFO L899 garLoopResultBuilder]: For program point L8097(lines 8097 8101) no Hoare annotation was computed. [2022-07-19 22:20:18,922 INFO L899 garLoopResultBuilder]: For program point L8095-4(lines 8095 8108) no Hoare annotation was computed. [2022-07-19 22:20:18,922 INFO L902 garLoopResultBuilder]: At program point L8095-3(lines 8095 8108) the Hoare annotation is: true [2022-07-19 22:20:18,922 INFO L899 garLoopResultBuilder]: For program point L8095-2(lines 8095 8108) no Hoare annotation was computed. [2022-07-19 22:20:18,922 INFO L899 garLoopResultBuilder]: For program point aws_array_eq_c_strFINAL(lines 8078 8111) no Hoare annotation was computed. [2022-07-19 22:20:18,922 INFO L899 garLoopResultBuilder]: For program point L8083(lines 8083 8085) no Hoare annotation was computed. [2022-07-19 22:20:18,922 INFO L902 garLoopResultBuilder]: At program point L8080-1(line 8080) the Hoare annotation is: true [2022-07-19 22:20:18,922 INFO L902 garLoopResultBuilder]: At program point L8080(line 8080) the Hoare annotation is: true [2022-07-19 22:20:18,922 INFO L902 garLoopResultBuilder]: At program point aws_array_eq_c_strENTRY(lines 8078 8111) the Hoare annotation is: true [2022-07-19 22:20:18,922 INFO L899 garLoopResultBuilder]: For program point L8103(lines 8103 8107) no Hoare annotation was computed. [2022-07-19 22:20:18,922 INFO L899 garLoopResultBuilder]: For program point aws_array_eq_c_strEXIT(lines 8078 8111) no Hoare annotation was computed. [2022-07-19 22:20:18,922 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6890 6892) no Hoare annotation was computed. [2022-07-19 22:20:18,922 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6890 6892) no Hoare annotation was computed. [2022-07-19 22:20:18,922 INFO L902 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6890 6892) the Hoare annotation is: true [2022-07-19 22:20:18,922 INFO L902 garLoopResultBuilder]: At program point aws_string_is_validENTRY(lines 6253 6258) the Hoare annotation is: true [2022-07-19 22:20:18,922 INFO L899 garLoopResultBuilder]: For program point L6257-2(line 6257) no Hoare annotation was computed. [2022-07-19 22:20:18,923 INFO L899 garLoopResultBuilder]: For program point L6257-3(line 6257) no Hoare annotation was computed. [2022-07-19 22:20:18,923 INFO L899 garLoopResultBuilder]: For program point L6257(line 6257) no Hoare annotation was computed. [2022-07-19 22:20:18,923 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validFINAL(lines 6253 6258) no Hoare annotation was computed. [2022-07-19 22:20:18,923 INFO L899 garLoopResultBuilder]: For program point L6257-5(line 6257) no Hoare annotation was computed. [2022-07-19 22:20:18,923 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6253 6258) no Hoare annotation was computed. [2022-07-19 22:20:18,923 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2022-07-19 22:20:18,923 INFO L902 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2022-07-19 22:20:18,923 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2022-07-19 22:20:18,923 INFO L902 garLoopResultBuilder]: At program point L8925(line 8925) the Hoare annotation is: true [2022-07-19 22:20:18,923 INFO L899 garLoopResultBuilder]: For program point L7579(line 7579) no Hoare annotation was computed. [2022-07-19 22:20:18,923 INFO L899 garLoopResultBuilder]: For program point L7100(lines 7100 7113) no Hoare annotation was computed. [2022-07-19 22:20:18,923 INFO L899 garLoopResultBuilder]: For program point L7579-5(line 7579) no Hoare annotation was computed. [2022-07-19 22:20:18,923 INFO L895 garLoopResultBuilder]: At program point L7579-4(line 7579) the Hoare annotation is: (or (and (not (= |ULTIMATE.start_aws_string_eq_c_str_~c_str#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_~str~1#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_#res#1.base| 0))) (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.base| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.offset| 0))) [2022-07-19 22:20:18,923 INFO L899 garLoopResultBuilder]: For program point L7579-3(line 7579) no Hoare annotation was computed. [2022-07-19 22:20:18,923 INFO L895 garLoopResultBuilder]: At program point L7579-2(line 7579) the Hoare annotation is: (or (and (not (= |ULTIMATE.start_aws_string_eq_c_str_~c_str#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_~str~1#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_#res#1.base| 0))) (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.base| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.offset| 0))) [2022-07-19 22:20:18,924 INFO L895 garLoopResultBuilder]: At program point L8921(line 8921) the Hoare annotation is: false [2022-07-19 22:20:18,924 INFO L899 garLoopResultBuilder]: For program point L8921-1(line 8921) no Hoare annotation was computed. [2022-07-19 22:20:18,924 INFO L899 garLoopResultBuilder]: For program point L6820-1(line 6820) no Hoare annotation was computed. [2022-07-19 22:20:18,924 INFO L895 garLoopResultBuilder]: At program point L6820(line 6820) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0)) [2022-07-19 22:20:18,924 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-19 22:20:18,924 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-19 22:20:18,924 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-19 22:20:18,924 INFO L899 garLoopResultBuilder]: For program point L7580(lines 7580 7588) no Hoare annotation was computed. [2022-07-19 22:20:18,924 INFO L899 garLoopResultBuilder]: For program point L7101-1(lines 7100 7113) no Hoare annotation was computed. [2022-07-19 22:20:18,924 INFO L895 garLoopResultBuilder]: At program point L7101(line 7101) the Hoare annotation is: false [2022-07-19 22:20:18,924 INFO L899 garLoopResultBuilder]: For program point L8918(lines 8918 8923) no Hoare annotation was computed. [2022-07-19 22:20:18,924 INFO L895 garLoopResultBuilder]: At program point L6821-1(line 6821) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0)) [2022-07-19 22:20:18,924 INFO L895 garLoopResultBuilder]: At program point L6821(line 6821) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0)) [2022-07-19 22:20:18,924 INFO L899 garLoopResultBuilder]: For program point L7589(lines 7589 7597) no Hoare annotation was computed. [2022-07-19 22:20:18,924 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-19 22:20:18,925 INFO L895 garLoopResultBuilder]: At program point L6272(lines 6263 6273) the Hoare annotation is: false [2022-07-19 22:20:18,925 INFO L899 garLoopResultBuilder]: For program point L8919-2(line 8919) no Hoare annotation was computed. [2022-07-19 22:20:18,925 INFO L895 garLoopResultBuilder]: At program point L8915(line 8915) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0)) [2022-07-19 22:20:18,925 INFO L899 garLoopResultBuilder]: For program point L8915-1(lines 8915 8916) no Hoare annotation was computed. [2022-07-19 22:20:18,925 INFO L895 garLoopResultBuilder]: At program point L8919(line 8919) the Hoare annotation is: false [2022-07-19 22:20:18,925 INFO L895 garLoopResultBuilder]: At program point L8919-1(line 8919) the Hoare annotation is: false [2022-07-19 22:20:18,925 INFO L895 garLoopResultBuilder]: At program point L7598(line 7598) the Hoare annotation is: (or (and (not (= |ULTIMATE.start_aws_string_eq_c_str_~c_str#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_~str~1#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_#res#1.base| 0))) (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.base| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.offset| 0))) [2022-07-19 22:20:18,925 INFO L895 garLoopResultBuilder]: At program point L6826(line 6826) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_~str~1#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0)) [2022-07-19 22:20:18,925 INFO L899 garLoopResultBuilder]: For program point L8915-3(lines 8915 8916) no Hoare annotation was computed. [2022-07-19 22:20:18,925 INFO L895 garLoopResultBuilder]: At program point L7598-2(lines 7577 7599) the Hoare annotation is: (or (and (not (= |ULTIMATE.start_aws_string_eq_c_str_~c_str#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_~str~1#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_#res#1.base| 0))) (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.base| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.offset| 0))) [2022-07-19 22:20:18,925 INFO L899 garLoopResultBuilder]: For program point L8911(lines 8911 8924) no Hoare annotation was computed. [2022-07-19 22:20:18,925 INFO L899 garLoopResultBuilder]: For program point L7598-1(line 7598) no Hoare annotation was computed. [2022-07-19 22:20:18,931 INFO L899 garLoopResultBuilder]: For program point L6822(line 6822) no Hoare annotation was computed. [2022-07-19 22:20:18,931 INFO L899 garLoopResultBuilder]: For program point L7111-1(line 7111) no Hoare annotation was computed. [2022-07-19 22:20:18,931 INFO L895 garLoopResultBuilder]: At program point L7111(line 7111) the Hoare annotation is: false [2022-07-19 22:20:18,931 INFO L899 garLoopResultBuilder]: For program point L6826-1(line 6826) no Hoare annotation was computed. [2022-07-19 22:20:18,932 INFO L899 garLoopResultBuilder]: For program point L7107-1(line 7107) no Hoare annotation was computed. [2022-07-19 22:20:18,932 INFO L895 garLoopResultBuilder]: At program point L7107(line 7107) the Hoare annotation is: false [2022-07-19 22:20:18,933 INFO L895 garLoopResultBuilder]: At program point L8920(line 8920) the Hoare annotation is: false [2022-07-19 22:20:18,933 INFO L899 garLoopResultBuilder]: For program point L8920-1(line 8920) no Hoare annotation was computed. [2022-07-19 22:20:18,933 INFO L899 garLoopResultBuilder]: For program point L8912-3(line 8912) no Hoare annotation was computed. [2022-07-19 22:20:18,933 INFO L899 garLoopResultBuilder]: For program point L8912-5(lines 8912 8913) no Hoare annotation was computed. [2022-07-19 22:20:18,933 INFO L902 garLoopResultBuilder]: At program point L8912(line 8912) the Hoare annotation is: true [2022-07-19 22:20:18,933 INFO L895 garLoopResultBuilder]: At program point L6827(lines 6819 6828) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_~str~1#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_#res#1.base| 0))) [2022-07-19 22:20:18,934 INFO L899 garLoopResultBuilder]: For program point L8912-1(lines 8912 8913) no Hoare annotation was computed. [2022-07-19 22:20:18,934 INFO L902 garLoopResultBuilder]: At program point L8912-2(line 8912) the Hoare annotation is: true [2022-07-19 22:20:18,934 INFO L899 garLoopResultBuilder]: For program point L7108-1(lines 7108 7110) no Hoare annotation was computed. [2022-07-19 22:20:18,934 INFO L895 garLoopResultBuilder]: At program point L7108(lines 7108 7110) the Hoare annotation is: false [2022-07-19 22:20:18,934 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-07-19 22:20:18,934 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-07-19 22:20:18,935 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-07-19 22:20:18,935 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-07-19 22:20:18,935 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-07-19 22:20:18,935 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-07-19 22:20:18,938 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-19 22:20:18,941 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 22:20:18,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:20:18 BoogieIcfgContainer [2022-07-19 22:20:18,959 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 22:20:18,959 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 22:20:18,959 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 22:20:18,960 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 22:20:18,960 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:20:14" (3/4) ... [2022-07-19 22:20:18,963 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-19 22:20:18,968 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_string_is_allocated_bounded_length [2022-07-19 22:20:18,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-07-19 22:20:18,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-07-19 22:20:18,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-07-19 22:20:18,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-07-19 22:20:18,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-07-19 22:20:18,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_eq_c_str [2022-07-19 22:20:18,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-07-19 22:20:18,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2022-07-19 22:20:18,985 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2022-07-19 22:20:18,985 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-07-19 22:20:18,986 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 22:20:18,987 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 22:20:19,017 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((str == 0 && !(str == 0)) && str == 0) && !(\result == 0) [2022-07-19 22:20:19,020 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(c_str == 0) && str == 0) && !(str == 0)) && str == 0) && !(\result == 0)) || (c_str == 0 && c_str == 0) [2022-07-19 22:20:19,020 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(str == 0) && (\old(max_size) == max_size || -16 + max_size == 0)) && !(\result == 0)) && !(\old(max_size) == 16) [2022-07-19 22:20:19,150 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 22:20:19,150 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 22:20:19,151 INFO L158 Benchmark]: Toolchain (without parser) took 8209.68ms. Allocated memory was 92.3MB in the beginning and 201.3MB in the end (delta: 109.1MB). Free memory was 68.8MB in the beginning and 139.0MB in the end (delta: -70.2MB). Peak memory consumption was 107.6MB. Max. memory is 16.1GB. [2022-07-19 22:20:19,152 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 75.5MB. Free memory was 51.8MB in the beginning and 51.7MB in the end (delta: 75.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 22:20:19,152 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2297.32ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 68.6MB in the beginning and 63.0MB in the end (delta: 5.6MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2022-07-19 22:20:19,152 INFO L158 Benchmark]: Boogie Procedure Inliner took 190.96ms. Allocated memory is still 111.1MB. Free memory was 63.0MB in the beginning and 53.6MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-19 22:20:19,153 INFO L158 Benchmark]: Boogie Preprocessor took 98.92ms. Allocated memory is still 111.1MB. Free memory was 53.6MB in the beginning and 49.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-19 22:20:19,153 INFO L158 Benchmark]: RCFGBuilder took 729.77ms. Allocated memory is still 111.1MB. Free memory was 48.8MB in the beginning and 40.3MB in the end (delta: 8.5MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2022-07-19 22:20:19,153 INFO L158 Benchmark]: TraceAbstraction took 4694.58ms. Allocated memory was 111.1MB in the beginning and 167.8MB in the end (delta: 56.6MB). Free memory was 39.7MB in the beginning and 47.6MB in the end (delta: -7.9MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2022-07-19 22:20:19,154 INFO L158 Benchmark]: Witness Printer took 191.08ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 47.6MB in the beginning and 139.0MB in the end (delta: -91.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-19 22:20:19,156 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 75.5MB. Free memory was 51.8MB in the beginning and 51.7MB in the end (delta: 75.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2297.32ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 68.6MB in the beginning and 63.0MB in the end (delta: 5.6MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 190.96ms. Allocated memory is still 111.1MB. Free memory was 63.0MB in the beginning and 53.6MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.92ms. Allocated memory is still 111.1MB. Free memory was 53.6MB in the beginning and 49.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 729.77ms. Allocated memory is still 111.1MB. Free memory was 48.8MB in the beginning and 40.3MB in the end (delta: 8.5MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * TraceAbstraction took 4694.58ms. Allocated memory was 111.1MB in the beginning and 167.8MB in the end (delta: 56.6MB). Free memory was 39.7MB in the beginning and 47.6MB in the end (delta: -7.9MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. * Witness Printer took 191.08ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 47.6MB in the beginning and 139.0MB in the end (delta: -91.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 107 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 5, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 208 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 194 mSDsluCounter, 1574 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1039 mSDsCounter, 128 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1086 IncrementalHoareTripleChecker+Invalid, 1214 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 128 mSolverCounterUnsat, 535 mSDtfsCounter, 1086 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 330 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred in iteration=0, InterpolantAutomatonStates: 35, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 129 PreInvPairs, 152 NumberOfFragments, 407 HoareAnnotationTreeSize, 129 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 41 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 399 NumberOfCodeBlocks, 399 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 491 ConstructedInterpolants, 0 QuantifiedInterpolants, 1120 SizeOfPredicates, 7 NumberOfNonLiveVariables, 911 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 259/291 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: 8095]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8925]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7577]: Loop Invariant Derived loop invariant: ((((!(c_str == 0) && str == 0) && !(str == 0)) && str == 0) && !(\result == 0)) || (c_str == 0 && c_str == 0) - InvariantResult [Line: 6807]: Loop Invariant Derived loop invariant: ((!(str == 0) && (\old(max_size) == max_size || -16 + max_size == 0)) && !(\result == 0)) && !(\old(max_size) == 16) - InvariantResult [Line: 6819]: Loop Invariant Derived loop invariant: ((str == 0 && !(str == 0)) && str == 0) && !(\result == 0) RESULT: Ultimate proved your program to be correct! [2022-07-19 22:20:19,196 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