./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_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 bc5ed5fb850d9a2c9d9a14514ffc7939afe81a277edfb59aefd3c5f66024eda8 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 03:23:28,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 03:23:28,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 03:23:28,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 03:23:28,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 03:23:28,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 03:23:28,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 03:23:28,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 03:23:28,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 03:23:28,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 03:23:28,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 03:23:28,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 03:23:28,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 03:23:28,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 03:23:28,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 03:23:28,721 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 03:23:28,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 03:23:28,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 03:23:28,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 03:23:28,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 03:23:28,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 03:23:28,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 03:23:28,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 03:23:28,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 03:23:28,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 03:23:28,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 03:23:28,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 03:23:28,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 03:23:28,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 03:23:28,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 03:23:28,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 03:23:28,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 03:23:28,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 03:23:28,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 03:23:28,744 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 03:23:28,744 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 03:23:28,745 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 03:23:28,745 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 03:23:28,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 03:23:28,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 03:23:28,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 03:23:28,747 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 03:23:28,772 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 03:23:28,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 03:23:28,773 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 03:23:28,774 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 03:23:28,774 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 03:23:28,774 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 03:23:28,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 03:23:28,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 03:23:28,775 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 03:23:28,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 03:23:28,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 03:23:28,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 03:23:28,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 03:23:28,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 03:23:28,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 03:23:28,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 03:23:28,777 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 03:23:28,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 03:23:28,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 03:23:28,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 03:23:28,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 03:23:28,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 03:23:28,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 03:23:28,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 03:23:28,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 03:23:28,778 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 03:23:28,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 03:23:28,779 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 03:23:28,779 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 03:23:28,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 03:23:28,779 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 03:23:28,780 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc5ed5fb850d9a2c9d9a14514ffc7939afe81a277edfb59aefd3c5f66024eda8 [2021-12-16 03:23:28,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 03:23:29,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 03:23:29,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 03:23:29,010 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 03:23:29,010 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 03:23:29,011 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2021-12-16 03:23:29,060 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b8bd5628/b62f04601f7a4fc1b81e56e42fb302dc/FLAG67edc90f4 [2021-12-16 03:23:29,650 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 03:23:29,650 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2021-12-16 03:23:29,681 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b8bd5628/b62f04601f7a4fc1b81e56e42fb302dc/FLAG67edc90f4 [2021-12-16 03:23:30,084 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b8bd5628/b62f04601f7a4fc1b81e56e42fb302dc [2021-12-16 03:23:30,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 03:23:30,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 03:23:30,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 03:23:30,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 03:23:30,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 03:23:30,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:23:30" (1/1) ... [2021-12-16 03:23:30,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@689ae567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:30, skipping insertion in model container [2021-12-16 03:23:30,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:23:30" (1/1) ... [2021-12-16 03:23:30,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 03:23:30,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 03:23:30,409 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_destroy_secure_harness.i[4499,4512] [2021-12-16 03:23:30,416 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_destroy_secure_harness.i[4559,4572] [2021-12-16 03:23:31,134 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:31,135 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:31,137 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:31,138 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:31,139 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:31,157 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:31,158 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:31,159 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:31,159 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:31,413 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-16 03:23:31,414 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-16 03:23:31,415 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-16 03:23:31,416 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-16 03:23:31,418 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-16 03:23:31,418 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-16 03:23:31,419 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-16 03:23:31,421 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-16 03:23:31,421 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-16 03:23:31,422 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-16 03:23:31,541 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-16 03:23:31,624 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:31,639 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:31,739 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:23:31,781 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 03:23:31,798 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_destroy_secure_harness.i[4499,4512] [2021-12-16 03:23:31,799 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_destroy_secure_harness.i[4559,4572] [2021-12-16 03:23:31,831 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:31,832 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:31,833 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:31,833 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:31,833 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:31,839 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:31,840 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:31,841 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:31,841 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:31,866 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-16 03:23:31,866 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-16 03:23:31,867 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-16 03:23:31,867 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-16 03:23:31,867 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-16 03:23:31,868 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-16 03:23:31,868 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-16 03:23:31,868 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-16 03:23:31,868 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-16 03:23:31,869 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-16 03:23:31,881 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-16 03:23:31,922 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:31,923 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:31,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:23:32,131 INFO L208 MainTranslator]: Completed translation [2021-12-16 03:23:32,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:32 WrapperNode [2021-12-16 03:23:32,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 03:23:32,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 03:23:32,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 03:23:32,133 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 03:23:32,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:32" (1/1) ... [2021-12-16 03:23:32,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:32" (1/1) ... [2021-12-16 03:23:32,288 INFO L137 Inliner]: procedures = 693, calls = 2772, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 812 [2021-12-16 03:23:32,289 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 03:23:32,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 03:23:32,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 03:23:32,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 03:23:32,296 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:32" (1/1) ... [2021-12-16 03:23:32,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:32" (1/1) ... [2021-12-16 03:23:32,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:32" (1/1) ... [2021-12-16 03:23:32,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:32" (1/1) ... [2021-12-16 03:23:32,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:32" (1/1) ... [2021-12-16 03:23:32,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:32" (1/1) ... [2021-12-16 03:23:32,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:32" (1/1) ... [2021-12-16 03:23:32,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 03:23:32,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 03:23:32,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 03:23:32,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 03:23:32,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:32" (1/1) ... [2021-12-16 03:23:32,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 03:23:32,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:32,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 03:23:32,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 03:23:32,430 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-12-16 03:23:32,430 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-12-16 03:23:32,431 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2021-12-16 03:23:32,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2021-12-16 03:23:32,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 03:23:32,431 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-16 03:23:32,431 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-16 03:23:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 03:23:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-16 03:23:32,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-16 03:23:32,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 03:23:32,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 03:23:32,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 03:23:32,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 03:23:32,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 03:23:32,433 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-16 03:23:32,434 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-16 03:23:32,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 03:23:32,434 INFO L130 BoogieDeclarations]: Found specification of procedure aws_secure_zero [2021-12-16 03:23:32,434 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_secure_zero [2021-12-16 03:23:32,434 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2021-12-16 03:23:32,434 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2021-12-16 03:23:32,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 03:23:32,434 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 03:23:32,435 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2021-12-16 03:23:32,435 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2021-12-16 03:23:32,435 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 03:23:32,435 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 03:23:32,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 03:23:32,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 03:23:32,435 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-16 03:23:32,435 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-16 03:23:32,436 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-16 03:23:32,436 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-16 03:23:32,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 03:23:32,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 03:23:32,634 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 03:23:32,636 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 03:23:33,172 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 03:23:33,179 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 03:23:33,179 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 03:23:33,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:23:33 BoogieIcfgContainer [2021-12-16 03:23:33,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 03:23:33,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 03:23:33,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 03:23:33,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 03:23:33,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 03:23:30" (1/3) ... [2021-12-16 03:23:33,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d87ed43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:23:33, skipping insertion in model container [2021-12-16 03:23:33,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:32" (2/3) ... [2021-12-16 03:23:33,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d87ed43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:23:33, skipping insertion in model container [2021-12-16 03:23:33,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:23:33" (3/3) ... [2021-12-16 03:23:33,189 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_secure_harness.i [2021-12-16 03:23:33,193 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 03:23:33,193 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 03:23:33,233 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 03:23:33,240 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 03:23:33,241 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 03:23:33,255 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 70 states have (on average 1.2) internal successors, (84), 71 states have internal predecessors, (84), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2021-12-16 03:23:33,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-12-16 03:23:33,261 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:33,263 INFO L514 BasicCegarLoop]: 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] [2021-12-16 03:23:33,264 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:33,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:33,267 INFO L85 PathProgramCache]: Analyzing trace with hash 513295118, now seen corresponding path program 1 times [2021-12-16 03:23:33,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:33,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536776980] [2021-12-16 03:23:33,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:33,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:33,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:33,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:33,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 03:23:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:33,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 03:23:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:33,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:33,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:33,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:33,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:33,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 03:23:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:33,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 03:23:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:33,786 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-16 03:23:33,786 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:33,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536776980] [2021-12-16 03:23:33,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536776980] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:33,791 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:23:33,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 03:23:33,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203508204] [2021-12-16 03:23:33,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:33,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 03:23:33,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:33,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 03:23:33,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-16 03:23:33,814 INFO L87 Difference]: Start difference. First operand has 104 states, 70 states have (on average 1.2) internal successors, (84), 71 states have internal predecessors, (84), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-16 03:23:34,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:34,016 INFO L93 Difference]: Finished difference Result 209 states and 259 transitions. [2021-12-16 03:23:34,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-16 03:23:34,018 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 65 [2021-12-16 03:23:34,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:34,025 INFO L225 Difference]: With dead ends: 209 [2021-12-16 03:23:34,025 INFO L226 Difference]: Without dead ends: 103 [2021-12-16 03:23:34,028 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-16 03:23:34,035 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 85 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:34,036 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 150 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 03:23:34,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-12-16 03:23:34,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 95. [2021-12-16 03:23:34,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 63 states have (on average 1.1428571428571428) internal successors, (72), 63 states have internal predecessors, (72), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2021-12-16 03:23:34,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 111 transitions. [2021-12-16 03:23:34,071 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 111 transitions. Word has length 65 [2021-12-16 03:23:34,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:34,072 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 111 transitions. [2021-12-16 03:23:34,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-16 03:23:34,073 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 111 transitions. [2021-12-16 03:23:34,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-12-16 03:23:34,074 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:34,075 INFO L514 BasicCegarLoop]: 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] [2021-12-16 03:23:34,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 03:23:34,075 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:34,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:34,076 INFO L85 PathProgramCache]: Analyzing trace with hash 702801866, now seen corresponding path program 1 times [2021-12-16 03:23:34,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:34,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486201467] [2021-12-16 03:23:34,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:34,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 03:23:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 03:23:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:34,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 03:23:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 03:23:34,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,810 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-16 03:23:34,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:34,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486201467] [2021-12-16 03:23:34,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486201467] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:34,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501708154] [2021-12-16 03:23:34,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:34,812 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:34,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:34,813 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 03:23:34,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-16 03:23:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 2546 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-16 03:23:35,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:35,408 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-16 03:23:35,408 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:35,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501708154] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:35,409 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:35,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [17] total 22 [2021-12-16 03:23:35,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577967205] [2021-12-16 03:23:35,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:35,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-16 03:23:35,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:35,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-16 03:23:35,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2021-12-16 03:23:35,422 INFO L87 Difference]: Start difference. First operand 95 states and 111 transitions. Second operand has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 9 states have internal predecessors, (40), 4 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2021-12-16 03:23:35,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:35,576 INFO L93 Difference]: Finished difference Result 136 states and 161 transitions. [2021-12-16 03:23:35,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-16 03:23:35,576 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 9 states have internal predecessors, (40), 4 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) Word has length 65 [2021-12-16 03:23:35,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:35,578 INFO L225 Difference]: With dead ends: 136 [2021-12-16 03:23:35,578 INFO L226 Difference]: Without dead ends: 117 [2021-12-16 03:23:35,579 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 74 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=631, Unknown=0, NotChecked=0, Total=702 [2021-12-16 03:23:35,595 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 54 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 1161 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:35,596 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 1161 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 03:23:35,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-12-16 03:23:35,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 102. [2021-12-16 03:23:35,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 68 states have (on average 1.1470588235294117) internal successors, (78), 68 states have internal predecessors, (78), 22 states have call successors, (22), 12 states have call predecessors, (22), 11 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2021-12-16 03:23:35,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 121 transitions. [2021-12-16 03:23:35,604 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 121 transitions. Word has length 65 [2021-12-16 03:23:35,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:35,604 INFO L470 AbstractCegarLoop]: Abstraction has 102 states and 121 transitions. [2021-12-16 03:23:35,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 9 states have internal predecessors, (40), 4 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2021-12-16 03:23:35,605 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 121 transitions. [2021-12-16 03:23:35,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-12-16 03:23:35,606 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:35,606 INFO L514 BasicCegarLoop]: 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] [2021-12-16 03:23:35,635 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-16 03:23:35,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:35,816 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:35,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:35,816 INFO L85 PathProgramCache]: Analyzing trace with hash 193328776, now seen corresponding path program 1 times [2021-12-16 03:23:35,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:35,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527131110] [2021-12-16 03:23:35,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:35,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:35,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 03:23:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 03:23:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 03:23:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 03:23:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,003 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-16 03:23:36,003 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:36,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527131110] [2021-12-16 03:23:36,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527131110] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:36,004 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:23:36,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 03:23:36,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505548781] [2021-12-16 03:23:36,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:36,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 03:23:36,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:36,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 03:23:36,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-16 03:23:36,005 INFO L87 Difference]: Start difference. First operand 102 states and 121 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-16 03:23:36,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:36,189 INFO L93 Difference]: Finished difference Result 136 states and 161 transitions. [2021-12-16 03:23:36,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 03:23:36,189 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (10), 4 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 [2021-12-16 03:23:36,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:36,193 INFO L225 Difference]: With dead ends: 136 [2021-12-16 03:23:36,193 INFO L226 Difference]: Without dead ends: 103 [2021-12-16 03:23:36,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-16 03:23:36,196 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 89 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:36,196 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [101 Valid, 209 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-16 03:23:36,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-12-16 03:23:36,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 95. [2021-12-16 03:23:36,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 63 states have (on average 1.1111111111111112) internal successors, (70), 63 states have internal predecessors, (70), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2021-12-16 03:23:36,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2021-12-16 03:23:36,217 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 65 [2021-12-16 03:23:36,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:36,218 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2021-12-16 03:23:36,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-16 03:23:36,219 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2021-12-16 03:23:36,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-12-16 03:23:36,221 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:36,221 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:23:36,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 03:23:36,221 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:36,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:36,221 INFO L85 PathProgramCache]: Analyzing trace with hash -216705520, now seen corresponding path program 1 times [2021-12-16 03:23:36,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:36,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660247178] [2021-12-16 03:23:36,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:36,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:36,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 03:23:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 03:23:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 03:23:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 03:23:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 03:23:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-16 03:23:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-16 03:23:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,595 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-12-16 03:23:36,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:36,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660247178] [2021-12-16 03:23:36,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660247178] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:36,596 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:23:36,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-16 03:23:36,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779146389] [2021-12-16 03:23:36,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:36,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-16 03:23:36,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:36,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-16 03:23:36,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2021-12-16 03:23:36,598 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 10 states have internal predecessors, (53), 4 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2021-12-16 03:23:37,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:37,056 INFO L93 Difference]: Finished difference Result 162 states and 185 transitions. [2021-12-16 03:23:37,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-16 03:23:37,057 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 10 states have internal predecessors, (53), 4 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) Word has length 96 [2021-12-16 03:23:37,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:37,058 INFO L225 Difference]: With dead ends: 162 [2021-12-16 03:23:37,058 INFO L226 Difference]: Without dead ends: 103 [2021-12-16 03:23:37,058 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2021-12-16 03:23:37,059 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 85 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:37,059 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 564 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-16 03:23:37,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-12-16 03:23:37,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 95. [2021-12-16 03:23:37,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 63 states have (on average 1.0952380952380953) internal successors, (69), 63 states have internal predecessors, (69), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2021-12-16 03:23:37,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2021-12-16 03:23:37,067 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 96 [2021-12-16 03:23:37,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:37,067 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2021-12-16 03:23:37,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 10 states have internal predecessors, (53), 4 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2021-12-16 03:23:37,068 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2021-12-16 03:23:37,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-12-16 03:23:37,072 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:37,073 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:23:37,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 03:23:37,073 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:37,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:37,074 INFO L85 PathProgramCache]: Analyzing trace with hash 91273307, now seen corresponding path program 1 times [2021-12-16 03:23:37,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:37,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557339628] [2021-12-16 03:23:37,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:37,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 03:23:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 03:23:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-16 03:23:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-16 03:23:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 03:23:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-16 03:23:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-16 03:23:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-16 03:23:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,536 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-12-16 03:23:37,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:37,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557339628] [2021-12-16 03:23:37,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557339628] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:37,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141992477] [2021-12-16 03:23:37,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:37,536 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:37,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:37,537 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 03:23:37,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-16 03:23:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 2686 conjuncts, 50 conjunts are in the unsatisfiable core [2021-12-16 03:23:37,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:38,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-16 03:23:38,482 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-12-16 03:23:38,482 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:38,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141992477] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:38,482 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:38,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [14] total 30 [2021-12-16 03:23:38,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562490825] [2021-12-16 03:23:38,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:38,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-16 03:23:38,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:38,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-16 03:23:38,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=807, Unknown=0, NotChecked=0, Total=870 [2021-12-16 03:23:38,484 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand has 18 states, 16 states have (on average 3.6875) internal successors, (59), 16 states have internal predecessors, (59), 6 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (15), 8 states have call predecessors, (15), 6 states have call successors, (15) [2021-12-16 03:23:38,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:38,837 INFO L93 Difference]: Finished difference Result 124 states and 139 transitions. [2021-12-16 03:23:38,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-16 03:23:38,838 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 3.6875) internal successors, (59), 16 states have internal predecessors, (59), 6 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (15), 8 states have call predecessors, (15), 6 states have call successors, (15) Word has length 105 [2021-12-16 03:23:38,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:38,839 INFO L225 Difference]: With dead ends: 124 [2021-12-16 03:23:38,839 INFO L226 Difference]: Without dead ends: 96 [2021-12-16 03:23:38,839 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=107, Invalid=1375, Unknown=0, NotChecked=0, Total=1482 [2021-12-16 03:23:38,840 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 30 mSDsluCounter, 1463 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 1560 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:38,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 1560 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-16 03:23:38,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-12-16 03:23:38,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2021-12-16 03:23:38,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 64 states have (on average 1.09375) internal successors, (70), 64 states have internal predecessors, (70), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2021-12-16 03:23:38,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 109 transitions. [2021-12-16 03:23:38,844 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 109 transitions. Word has length 105 [2021-12-16 03:23:38,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:38,845 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 109 transitions. [2021-12-16 03:23:38,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 3.6875) internal successors, (59), 16 states have internal predecessors, (59), 6 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (15), 8 states have call predecessors, (15), 6 states have call successors, (15) [2021-12-16 03:23:38,845 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 109 transitions. [2021-12-16 03:23:38,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-16 03:23:38,846 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:38,846 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:23:38,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-16 03:23:39,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:39,047 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:39,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:39,047 INFO L85 PathProgramCache]: Analyzing trace with hash 469333189, now seen corresponding path program 1 times [2021-12-16 03:23:39,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:39,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394496566] [2021-12-16 03:23:39,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:39,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 03:23:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 03:23:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-16 03:23:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-16 03:23:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 03:23:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-16 03:23:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 03:23:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-16 03:23:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,479 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 03:23:39,479 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:39,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394496566] [2021-12-16 03:23:39,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394496566] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:39,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844431320] [2021-12-16 03:23:39,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:39,480 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:39,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:39,481 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 03:23:39,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-16 03:23:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:40,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 2705 conjuncts, 191 conjunts are in the unsatisfiable core [2021-12-16 03:23:40,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:40,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 53 [2021-12-16 03:23:40,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-16 03:23:40,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-16 03:23:40,304 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-12-16 03:23:40,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 66 [2021-12-16 03:23:40,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-16 03:23:40,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-12-16 03:23:40,363 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-16 03:23:40,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 51 [2021-12-16 03:23:43,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-16 03:23:43,458 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-16 03:23:43,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 32 [2021-12-16 03:23:43,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-16 03:23:44,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-16 03:23:44,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-16 03:23:44,432 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-16 03:23:44,434 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-16 03:23:44,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 30 [2021-12-16 03:23:44,582 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 38 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 03:23:44,582 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 03:23:45,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1844431320] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:45,556 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-16 03:23:45,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 51] total 62 [2021-12-16 03:23:45,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135615558] [2021-12-16 03:23:45,556 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-16 03:23:45,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2021-12-16 03:23:45,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:45,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-12-16 03:23:45,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=4212, Unknown=0, NotChecked=0, Total=4422 [2021-12-16 03:23:45,559 INFO L87 Difference]: Start difference. First operand 96 states and 109 transitions. Second operand has 62 states, 53 states have (on average 2.30188679245283) internal successors, (122), 46 states have internal predecessors, (122), 18 states have call successors, (32), 9 states have call predecessors, (32), 16 states have return successors, (30), 20 states have call predecessors, (30), 17 states have call successors, (30) [2021-12-16 03:23:46,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:46,423 INFO L93 Difference]: Finished difference Result 103 states and 114 transitions. [2021-12-16 03:23:46,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-16 03:23:46,424 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 53 states have (on average 2.30188679245283) internal successors, (122), 46 states have internal predecessors, (122), 18 states have call successors, (32), 9 states have call predecessors, (32), 16 states have return successors, (30), 20 states have call predecessors, (30), 17 states have call successors, (30) Word has length 106 [2021-12-16 03:23:46,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:46,424 INFO L225 Difference]: With dead ends: 103 [2021-12-16 03:23:46,424 INFO L226 Difference]: Without dead ends: 0 [2021-12-16 03:23:46,426 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 80 SyntacticMatches, 5 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1656 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=323, Invalid=5839, Unknown=0, NotChecked=0, Total=6162 [2021-12-16 03:23:46,427 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 46 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 174 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:46,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 368 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 610 Invalid, 0 Unknown, 174 Unchecked, 0.4s Time] [2021-12-16 03:23:46,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-16 03:23:46,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-16 03:23:46,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 03:23:46,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-16 03:23:46,428 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 106 [2021-12-16 03:23:46,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:46,428 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 03:23:46,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 53 states have (on average 2.30188679245283) internal successors, (122), 46 states have internal predecessors, (122), 18 states have call successors, (32), 9 states have call predecessors, (32), 16 states have return successors, (30), 20 states have call predecessors, (30), 17 states have call successors, (30) [2021-12-16 03:23:46,429 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-16 03:23:46,429 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-16 03:23:46,431 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-16 03:23:46,450 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-16 03:23:46,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:46,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-16 03:23:46,821 INFO L854 garLoopResultBuilder]: At program point L8735(line 8735) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_real| |old(#memory_real)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2021-12-16 03:23:46,822 INFO L858 garLoopResultBuilder]: For program point L8735-1(line 8735) no Hoare annotation was computed. [2021-12-16 03:23:46,822 INFO L858 garLoopResultBuilder]: For program point aws_secure_zeroEXIT(lines 8734 8751) no Hoare annotation was computed. [2021-12-16 03:23:46,822 INFO L854 garLoopResultBuilder]: At program point aws_secure_zeroENTRY(lines 8734 8751) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_real| |old(#memory_real)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2021-12-16 03:23:46,822 INFO L858 garLoopResultBuilder]: For program point aws_secure_zeroFINAL(lines 8734 8751) no Hoare annotation was computed. [2021-12-16 03:23:46,822 INFO L854 garLoopResultBuilder]: At program point L6815(lines 6806 6816) the Hoare annotation is: (let ((.cse0 (mod |ensure_string_is_allocated_bounded_length_#in~max_size#1| 18446744073709551616))) (and (not (= 16 |ensure_string_is_allocated_bounded_length_#in~max_size#1|)) (or (< 0 (+ (div (+ .cse0 (- 18446744073709551609)) 18446744073709551616) 1)) (let ((.cse1 (select (select |#memory_int| |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_#res#1.base|) 8))) (< (div (+ .cse0 (* .cse1 (- 1)) (- 1)) (- 18446744073709551616)) (+ (div .cse1 18446744073709551616) 1)))) (< (mod |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) .cse0) (not (= 0 |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base|)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.offset| 0) (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (not (= 0 |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_#res#1.base|)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_#res#1.offset| 0) (< (mod |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) .cse0))) [2021-12-16 03:23:46,822 INFO L858 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthEXIT(lines 6800 6804) no Hoare annotation was computed. [2021-12-16 03:23:46,822 INFO L854 garLoopResultBuilder]: At program point L6810(line 6810) the Hoare annotation is: (let ((.cse0 (mod |ensure_string_is_allocated_bounded_length_#in~max_size#1| 18446744073709551616))) (and (= |#memory_int| |old(#memory_int)|) (not (= 16 |ensure_string_is_allocated_bounded_length_#in~max_size#1|)) (< (mod |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) .cse0) (= |#memory_real| |old(#memory_real)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= 0 |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base|)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.offset| 0) (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (< (mod |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) .cse0))) [2021-12-16 03:23:46,822 INFO L858 garLoopResultBuilder]: For program point L6807-1(line 6807) no Hoare annotation was computed. [2021-12-16 03:23:46,822 INFO L854 garLoopResultBuilder]: At program point L6807(line 6807) the Hoare annotation is: (let ((.cse0 (mod |ensure_string_is_allocated_bounded_length_#in~max_size#1| 18446744073709551616))) (and (= |#memory_int| |old(#memory_int)|) (= |#valid| |old(#valid)|) (= |#length| |old(#length)|) (< (mod |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) .cse0) (= |#memory_real| |old(#memory_real)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (< (mod |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) .cse0))) [2021-12-16 03:23:46,822 INFO L858 garLoopResultBuilder]: For program point L6810-3(line 6810) no Hoare annotation was computed. [2021-12-16 03:23:46,822 INFO L854 garLoopResultBuilder]: At program point L6810-2(line 6810) the Hoare annotation is: (let ((.cse0 (mod |ensure_string_is_allocated_bounded_length_#in~max_size#1| 18446744073709551616))) (and (= |#memory_int| |old(#memory_int)|) (not (= 16 |ensure_string_is_allocated_bounded_length_#in~max_size#1|)) (< (mod |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) .cse0) (= |#memory_real| |old(#memory_real)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= 0 |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base|)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.offset| 0) (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (< (mod |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) .cse0))) [2021-12-16 03:23:46,822 INFO L858 garLoopResultBuilder]: For program point L6810-1(lines 6810 6811) no Hoare annotation was computed. [2021-12-16 03:23:46,822 INFO L854 garLoopResultBuilder]: At program point L6802(line 6802) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#valid| |old(#valid)|) (= |#length| |old(#length)|) (= |#memory_real| |old(#memory_real)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2021-12-16 03:23:46,822 INFO L854 garLoopResultBuilder]: At program point ensure_string_is_allocated_bounded_lengthENTRY(lines 6800 6804) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#valid| |old(#valid)|) (= |#length| |old(#length)|) (= |#memory_real| |old(#memory_real)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2021-12-16 03:23:46,823 INFO L858 garLoopResultBuilder]: For program point L6810-5(lines 6810 6811) no Hoare annotation was computed. [2021-12-16 03:23:46,823 INFO L858 garLoopResultBuilder]: For program point L6801-1(line 6801) no Hoare annotation was computed. [2021-12-16 03:23:46,823 INFO L854 garLoopResultBuilder]: At program point L6801(line 6801) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#valid| |old(#valid)|) (= |#length| |old(#length)|) (= |#memory_real| |old(#memory_real)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2021-12-16 03:23:46,823 INFO L858 garLoopResultBuilder]: For program point L6802-1(line 6802) no Hoare annotation was computed. [2021-12-16 03:23:46,823 INFO L858 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthFINAL(lines 6800 6804) no Hoare annotation was computed. [2021-12-16 03:23:46,823 INFO L854 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6882 6887) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#length| |old(#length)|)) [2021-12-16 03:23:46,823 INFO L858 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6882 6887) no Hoare annotation was computed. [2021-12-16 03:23:46,823 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2021-12-16 03:23:46,823 INFO L858 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2021-12-16 03:23:46,823 INFO L854 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#length| |old(#length)|) (= |bounded_malloc_#in~size| bounded_malloc_~size)) [2021-12-16 03:23:46,823 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2021-12-16 03:23:46,823 INFO L861 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-12-16 03:23:46,823 INFO L861 garLoopResultBuilder]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2021-12-16 03:23:46,823 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2021-12-16 03:23:46,823 INFO L858 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2021-12-16 03:23:46,823 INFO L858 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2021-12-16 03:23:46,823 INFO L861 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2021-12-16 03:23:46,823 INFO L858 garLoopResultBuilder]: For program point L7069-2(lines 7061 7074) no Hoare annotation was computed. [2021-12-16 03:23:46,824 INFO L858 garLoopResultBuilder]: For program point aws_mem_releaseEXIT(lines 7061 7074) no Hoare annotation was computed. [2021-12-16 03:23:46,824 INFO L858 garLoopResultBuilder]: For program point L7069(lines 7069 7073) no Hoare annotation was computed. [2021-12-16 03:23:46,824 INFO L854 garLoopResultBuilder]: At program point L7062(lines 7062 7064) the Hoare annotation is: (= |#valid| |old(#valid)|) [2021-12-16 03:23:46,824 INFO L854 garLoopResultBuilder]: At program point aws_mem_releaseENTRY(lines 7061 7074) the Hoare annotation is: (= |#valid| |old(#valid)|) [2021-12-16 03:23:46,824 INFO L858 garLoopResultBuilder]: For program point L7065-1(lines 7065 7067) no Hoare annotation was computed. [2021-12-16 03:23:46,824 INFO L854 garLoopResultBuilder]: At program point L7065(lines 7065 7067) the Hoare annotation is: (= |#valid| |old(#valid)|) [2021-12-16 03:23:46,824 INFO L858 garLoopResultBuilder]: For program point L7062-1(lines 7062 7064) no Hoare annotation was computed. [2021-12-16 03:23:46,824 INFO L861 garLoopResultBuilder]: At program point aws_string_bytesENTRY(lines 6242 6246) the Hoare annotation is: true [2021-12-16 03:23:46,824 INFO L858 garLoopResultBuilder]: For program point aws_string_bytesEXIT(lines 6242 6246) no Hoare annotation was computed. [2021-12-16 03:23:46,824 INFO L858 garLoopResultBuilder]: For program point aws_string_bytesFINAL(lines 6242 6246) no Hoare annotation was computed. [2021-12-16 03:23:46,824 INFO L861 garLoopResultBuilder]: At program point L6244-1(line 6244) the Hoare annotation is: true [2021-12-16 03:23:46,824 INFO L858 garLoopResultBuilder]: For program point L6244-2(line 6244) no Hoare annotation was computed. [2021-12-16 03:23:46,824 INFO L861 garLoopResultBuilder]: At program point L6244(line 6244) the Hoare annotation is: true [2021-12-16 03:23:46,824 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2021-12-16 03:23:46,824 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-12-16 03:23:46,824 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-16 03:23:46,825 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-12-16 03:23:46,825 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6889 6891) no Hoare annotation was computed. [2021-12-16 03:23:46,825 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6889 6891) no Hoare annotation was computed. [2021-12-16 03:23:46,825 INFO L861 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6889 6891) the Hoare annotation is: true [2021-12-16 03:23:46,825 INFO L861 garLoopResultBuilder]: At program point aws_string_is_validENTRY(lines 6252 6257) the Hoare annotation is: true [2021-12-16 03:23:46,825 INFO L858 garLoopResultBuilder]: For program point L6256-2(line 6256) no Hoare annotation was computed. [2021-12-16 03:23:46,825 INFO L858 garLoopResultBuilder]: For program point L6256(line 6256) no Hoare annotation was computed. [2021-12-16 03:23:46,825 INFO L858 garLoopResultBuilder]: For program point L6256-5(line 6256) no Hoare annotation was computed. [2021-12-16 03:23:46,825 INFO L858 garLoopResultBuilder]: For program point aws_string_is_validFINAL(lines 6252 6257) no Hoare annotation was computed. [2021-12-16 03:23:46,825 INFO L858 garLoopResultBuilder]: For program point L6256-3(line 6256) no Hoare annotation was computed. [2021-12-16 03:23:46,825 INFO L858 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6252 6257) no Hoare annotation was computed. [2021-12-16 03:23:46,825 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2021-12-16 03:23:46,825 INFO L861 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2021-12-16 03:23:46,825 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2021-12-16 03:23:46,826 INFO L858 garLoopResultBuilder]: For program point L9210(lines 9210 9215) no Hoare annotation was computed. [2021-12-16 03:23:46,826 INFO L858 garLoopResultBuilder]: For program point L9549(lines 9549 9551) no Hoare annotation was computed. [2021-12-16 03:23:46,826 INFO L861 garLoopResultBuilder]: At program point L9553(line 9553) the Hoare annotation is: true [2021-12-16 03:23:46,826 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-16 03:23:46,826 INFO L854 garLoopResultBuilder]: At program point L9211(line 9211) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_string_destroy_secure_harness_~str~3#1.base| 0)) (= |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1| (* 256 (div |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1| 256)))) [2021-12-16 03:23:46,826 INFO L858 garLoopResultBuilder]: For program point L9211-1(line 9211) no Hoare annotation was computed. [2021-12-16 03:23:46,826 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-16 03:23:46,826 INFO L858 garLoopResultBuilder]: For program point L9537(lines 9537 9552) no Hoare annotation was computed. [2021-12-16 03:23:46,826 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-16 03:23:46,826 INFO L854 garLoopResultBuilder]: At program point L9211-2(line 9211) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_string_destroy_secure_harness_~str~3#1.base| 0)) (= |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1| (* 256 (div |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1| 256)))) [2021-12-16 03:23:46,826 INFO L858 garLoopResultBuilder]: For program point L9211-3(line 9211) no Hoare annotation was computed. [2021-12-16 03:23:46,826 INFO L854 garLoopResultBuilder]: At program point L7118(line 7118) the Hoare annotation is: false [2021-12-16 03:23:46,826 INFO L858 garLoopResultBuilder]: For program point L9546(lines 9546 9547) no Hoare annotation was computed. [2021-12-16 03:23:46,826 INFO L858 garLoopResultBuilder]: For program point L7114(lines 7114 7122) no Hoare annotation was computed. [2021-12-16 03:23:46,826 INFO L858 garLoopResultBuilder]: For program point L235(line 235) no Hoare annotation was computed. [2021-12-16 03:23:46,828 INFO L858 garLoopResultBuilder]: For program point L7118-1(line 7118) no Hoare annotation was computed. [2021-12-16 03:23:46,828 INFO L861 garLoopResultBuilder]: At program point L9538(line 9538) the Hoare annotation is: true [2021-12-16 03:23:46,828 INFO L858 garLoopResultBuilder]: For program point L9546-2(lines 9546 9547) no Hoare annotation was computed. [2021-12-16 03:23:46,828 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-16 03:23:46,828 INFO L858 garLoopResultBuilder]: For program point L9212(lines 9212 9214) no Hoare annotation was computed. [2021-12-16 03:23:46,828 INFO L858 garLoopResultBuilder]: For program point L9538-1(line 9538) no Hoare annotation was computed. [2021-12-16 03:23:46,828 INFO L858 garLoopResultBuilder]: For program point L9208(lines 9208 9216) no Hoare annotation was computed. [2021-12-16 03:23:46,828 INFO L858 garLoopResultBuilder]: For program point L7119-1(line 7119) no Hoare annotation was computed. [2021-12-16 03:23:46,829 INFO L854 garLoopResultBuilder]: At program point L7119(line 7119) the Hoare annotation is: false [2021-12-16 03:23:46,829 INFO L858 garLoopResultBuilder]: For program point L7115(lines 7115 7121) no Hoare annotation was computed. [2021-12-16 03:23:46,829 INFO L854 garLoopResultBuilder]: At program point L9213(line 9213) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_aws_string_destroy_secure_harness_~str~3#1.base| 0)))) (or (and .cse0 (= |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1| (* 256 (div |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1| 256)))) (and (<= (mod |ULTIMATE.start_aws_string_destroy_secure_harness_~len~2#1| 18446744073709551616) 0) (= |ULTIMATE.start_aws_string_destroy_secure_harness_#t~ite1347#1.offset| 0) .cse0 (= |ULTIMATE.start_aws_string_destroy_secure_harness_~str~3#1.offset| 0)))) [2021-12-16 03:23:46,829 INFO L858 garLoopResultBuilder]: For program point L9213-1(line 9213) no Hoare annotation was computed. [2021-12-16 03:23:46,829 INFO L854 garLoopResultBuilder]: At program point L9209-4(line 9209) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_string_destroy_secure_harness_~str~3#1.base| 0)) (= |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1| (* 256 (div |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1| 256)))) [2021-12-16 03:23:46,829 INFO L858 garLoopResultBuilder]: For program point L9209-5(line 9209) no Hoare annotation was computed. [2021-12-16 03:23:46,829 INFO L858 garLoopResultBuilder]: For program point L9209(line 9209) no Hoare annotation was computed. [2021-12-16 03:23:46,829 INFO L854 garLoopResultBuilder]: At program point L9209-2(line 9209) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_string_destroy_secure_harness_~str~3#1.base| 0)) (= |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1| (* 256 (div |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1| 256)))) [2021-12-16 03:23:46,830 INFO L858 garLoopResultBuilder]: For program point L7124(lines 7124 7126) no Hoare annotation was computed. [2021-12-16 03:23:46,830 INFO L858 garLoopResultBuilder]: For program point L9209-3(line 9209) no Hoare annotation was computed. [2021-12-16 03:23:46,830 INFO L858 garLoopResultBuilder]: For program point L7120-1(line 7120) no Hoare annotation was computed. [2021-12-16 03:23:46,831 INFO L854 garLoopResultBuilder]: At program point L7120(line 7120) the Hoare annotation is: false [2021-12-16 03:23:46,831 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-12-16 03:23:46,831 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-12-16 03:23:46,831 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-12-16 03:23:46,831 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-12-16 03:23:46,831 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-12-16 03:23:46,831 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-12-16 03:23:46,834 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-12-16 03:23:46,835 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 03:23:46,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 03:23:46 BoogieIcfgContainer [2021-12-16 03:23:46,854 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 03:23:46,855 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 03:23:46,855 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 03:23:46,855 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 03:23:46,856 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:23:33" (3/4) ... [2021-12-16 03:23:46,858 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-16 03:23:46,863 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_secure_zero [2021-12-16 03:23:46,863 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_string_is_allocated_bounded_length [2021-12-16 03:23:46,863 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-12-16 03:23:46,863 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2021-12-16 03:23:46,863 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-12-16 03:23:46,863 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_release [2021-12-16 03:23:46,863 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_bytes [2021-12-16 03:23:46,863 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-12-16 03:23:46,864 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2021-12-16 03:23:46,864 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2021-12-16 03:23:46,864 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2021-12-16 03:23:46,864 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-12-16 03:23:46,878 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 129 nodes and edges [2021-12-16 03:23:46,879 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 62 nodes and edges [2021-12-16 03:23:46,880 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-12-16 03:23:46,881 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-12-16 03:23:46,881 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-12-16 03:23:46,882 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-12-16 03:23:46,883 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-16 03:23:46,884 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 03:23:46,909 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(16 == \old(max_size)) && (0 < (\old(max_size) % 18446744073709551616 + -18446744073709551609) / 18446744073709551616 + 1 || (\old(max_size) % 18446744073709551616 + unknown-#memory_int-unknown[\result][8] * -1 + -1) / -18446744073709551616 < unknown-#memory_int-unknown[\result][8] / 18446744073709551616 + 1)) && len % 18446744073709551616 < \old(max_size) % 18446744073709551616) && !(0 == str)) && str == 0) && max_size == \old(max_size)) && !(0 == \result)) && \result == 0) && len % 18446744073709551616 < \old(max_size) % 18446744073709551616 [2021-12-16 03:23:47,394 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 03:23:47,394 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 03:23:47,395 INFO L158 Benchmark]: Toolchain (without parser) took 17306.73ms. Allocated memory was 109.1MB in the beginning and 289.4MB in the end (delta: 180.4MB). Free memory was 71.8MB in the beginning and 99.5MB in the end (delta: -27.7MB). Peak memory consumption was 213.6MB. Max. memory is 16.1GB. [2021-12-16 03:23:47,395 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory was 66.6MB in the beginning and 66.5MB in the end (delta: 49.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 03:23:47,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2043.38ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 71.3MB in the beginning and 50.4MB in the end (delta: 20.9MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. [2021-12-16 03:23:47,395 INFO L158 Benchmark]: Boogie Procedure Inliner took 156.41ms. Allocated memory was 132.1MB in the beginning and 190.8MB in the end (delta: 58.7MB). Free memory was 50.4MB in the beginning and 134.3MB in the end (delta: -83.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-16 03:23:47,395 INFO L158 Benchmark]: Boogie Preprocessor took 83.14ms. Allocated memory is still 190.8MB. Free memory was 134.3MB in the beginning and 128.0MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-16 03:23:47,396 INFO L158 Benchmark]: RCFGBuilder took 808.14ms. Allocated memory is still 190.8MB. Free memory was 128.0MB in the beginning and 118.5MB in the end (delta: 9.5MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2021-12-16 03:23:47,396 INFO L158 Benchmark]: TraceAbstraction took 13670.45ms. Allocated memory was 190.8MB in the beginning and 289.4MB in the end (delta: 98.6MB). Free memory was 117.5MB in the beginning and 88.1MB in the end (delta: 29.4MB). Peak memory consumption was 129.0MB. Max. memory is 16.1GB. [2021-12-16 03:23:47,396 INFO L158 Benchmark]: Witness Printer took 539.02ms. Allocated memory is still 289.4MB. Free memory was 88.1MB in the beginning and 99.5MB in the end (delta: -11.4MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2021-12-16 03:23:47,397 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory was 66.6MB in the beginning and 66.5MB in the end (delta: 49.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2043.38ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 71.3MB in the beginning and 50.4MB in the end (delta: 20.9MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 156.41ms. Allocated memory was 132.1MB in the beginning and 190.8MB in the end (delta: 58.7MB). Free memory was 50.4MB in the beginning and 134.3MB in the end (delta: -83.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.14ms. Allocated memory is still 190.8MB. Free memory was 134.3MB in the beginning and 128.0MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 808.14ms. Allocated memory is still 190.8MB. Free memory was 128.0MB in the beginning and 118.5MB in the end (delta: 9.5MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * TraceAbstraction took 13670.45ms. Allocated memory was 190.8MB in the beginning and 289.4MB in the end (delta: 98.6MB). Free memory was 117.5MB in the beginning and 88.1MB in the end (delta: 29.4MB). Peak memory consumption was 129.0MB. Max. memory is 16.1GB. * Witness Printer took 539.02ms. Allocated memory is still 289.4MB. Free memory was 88.1MB in the beginning and 99.5MB in the end (delta: -11.4MB). Peak memory consumption was 49.5MB. 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 13 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.6s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 429 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 389 mSDsluCounter, 4012 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 174 IncrementalHoareTripleChecker+Unchecked, 3457 mSDsCounter, 219 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1713 IncrementalHoareTripleChecker+Invalid, 2106 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 219 mSolverCounterUnsat, 555 mSDtfsCounter, 1713 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 509 GetRequests, 338 SyntacticMatches, 6 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1886 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 71, 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, 6 MinimizatonAttempts, 39 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 35 LocationsWithAnnotation, 107 PreInvPairs, 120 NumberOfFragments, 398 HoareAnnotationTreeSize, 107 FomulaSimplifications, 56 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 35 FomulaSimplificationsInter, 228 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 778 NumberOfCodeBlocks, 778 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 769 ConstructedInterpolants, 35 QuantifiedInterpolants, 5109 SizeOfPredicates, 87 NumberOfNonLiveVariables, 7937 ConjunctsInSsa, 264 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 293/353 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6806]: Loop Invariant Derived loop invariant: (((((((!(16 == \old(max_size)) && (0 < (\old(max_size) % 18446744073709551616 + -18446744073709551609) / 18446744073709551616 + 1 || (\old(max_size) % 18446744073709551616 + unknown-#memory_int-unknown[\result][8] * -1 + -1) / -18446744073709551616 < unknown-#memory_int-unknown[\result][8] / 18446744073709551616 + 1)) && len % 18446744073709551616 < \old(max_size) % 18446744073709551616) && !(0 == str)) && str == 0) && max_size == \old(max_size)) && !(0 == \result)) && \result == 0) && len % 18446744073709551616 < \old(max_size) % 18446744073709551616 RESULT: Ultimate proved your program to be correct! [2021-12-16 03:23:47,412 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