./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 15:38:28,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 15:38:28,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 15:38:28,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 15:38:28,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 15:38:28,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 15:38:28,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 15:38:28,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 15:38:28,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 15:38:28,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 15:38:28,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 15:38:28,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 15:38:28,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 15:38:28,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 15:38:28,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 15:38:28,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 15:38:28,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 15:38:28,635 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 15:38:28,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 15:38:28,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 15:38:28,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 15:38:28,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 15:38:28,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 15:38:28,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 15:38:28,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 15:38:28,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 15:38:28,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 15:38:28,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 15:38:28,647 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 15:38:28,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 15:38:28,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 15:38:28,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 15:38:28,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 15:38:28,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 15:38:28,650 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 15:38:28,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 15:38:28,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 15:38:28,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 15:38:28,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 15:38:28,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 15:38:28,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 15:38:28,660 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 15:38:28,687 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 15:38:28,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 15:38:28,688 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 15:38:28,688 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 15:38:28,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 15:38:28,689 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 15:38:28,690 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 15:38:28,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 15:38:28,690 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 15:38:28,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 15:38:28,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 15:38:28,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 15:38:28,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 15:38:28,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 15:38:28,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 15:38:28,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 15:38:28,692 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 15:38:28,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 15:38:28,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 15:38:28,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 15:38:28,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 15:38:28,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:38:28,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 15:38:28,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 15:38:28,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 15:38:28,693 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 15:38:28,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 15:38:28,694 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 15:38:28,695 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 15:38:28,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 15:38:28,695 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 15:38:28,695 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 [2021-12-21 15:38:28,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 15:38:28,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 15:38:28,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 15:38:28,916 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 15:38:28,917 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 15:38:28,919 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2021-12-21 15:38:29,007 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1921cef73/e6e0f7c170794cc8ac43dc9836122f38/FLAGe74801c91 [2021-12-21 15:38:29,626 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 15:38:29,627 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2021-12-21 15:38:29,661 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1921cef73/e6e0f7c170794cc8ac43dc9836122f38/FLAGe74801c91 [2021-12-21 15:38:29,802 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1921cef73/e6e0f7c170794cc8ac43dc9836122f38 [2021-12-21 15:38:29,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 15:38:29,808 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 15:38:29,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 15:38:29,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 15:38:29,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 15:38:29,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:38:29" (1/1) ... [2021-12-21 15:38:29,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa3da63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:38:29, skipping insertion in model container [2021-12-21 15:38:29,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:38:29" (1/1) ... [2021-12-21 15:38:29,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 15:38:29,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 15:38:30,136 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4500,4513] [2021-12-21 15:38:30,142 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4560,4573] [2021-12-21 15:38:30,733 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:38:30,734 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:38:30,735 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:38:30,735 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:38:30,737 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:38:30,760 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:38:30,762 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:38:30,763 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:38:30,765 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:38:31,015 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-21 15:38:31,019 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-21 15:38:31,020 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-21 15:38:31,020 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-21 15:38:31,021 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-21 15:38:31,022 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-21 15:38:31,022 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-21 15:38:31,023 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-21 15:38:31,035 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-21 15:38:31,035 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-21 15:38:31,125 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-21 15:38:31,179 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:38:31,179 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:38:31,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:38:31,268 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 15:38:31,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4500,4513] [2021-12-21 15:38:31,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4560,4573] [2021-12-21 15:38:31,328 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:38:31,329 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:38:31,330 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:38:31,330 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:38:31,330 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:38:31,340 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:38:31,341 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:38:31,342 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:38:31,342 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:38:31,381 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-21 15:38:31,383 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-21 15:38:31,384 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-21 15:38:31,384 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-21 15:38:31,385 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-21 15:38:31,386 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-21 15:38:31,386 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-21 15:38:31,387 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-21 15:38:31,387 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-21 15:38:31,388 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-21 15:38:31,402 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-21 15:38:31,473 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:38:31,473 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:38:31,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:38:31,657 INFO L208 MainTranslator]: Completed translation [2021-12-21 15:38:31,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:38:31 WrapperNode [2021-12-21 15:38:31,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 15:38:31,659 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 15:38:31,659 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 15:38:31,659 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 15:38:31,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:38:31" (1/1) ... [2021-12-21 15:38:31,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:38:31" (1/1) ... [2021-12-21 15:38:31,821 INFO L137 Inliner]: procedures = 690, calls = 2740, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 831 [2021-12-21 15:38:31,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 15:38:31,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 15:38:31,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 15:38:31,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 15:38:31,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:38:31" (1/1) ... [2021-12-21 15:38:31,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:38:31" (1/1) ... [2021-12-21 15:38:31,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:38:31" (1/1) ... [2021-12-21 15:38:31,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:38:31" (1/1) ... [2021-12-21 15:38:31,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:38:31" (1/1) ... [2021-12-21 15:38:31,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:38:31" (1/1) ... [2021-12-21 15:38:31,913 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:38:31" (1/1) ... [2021-12-21 15:38:31,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 15:38:31,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 15:38:31,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 15:38:31,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 15:38:31,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:38:31" (1/1) ... [2021-12-21 15:38:31,932 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:38:31,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:38:31,956 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) [2021-12-21 15:38:31,962 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 [2021-12-21 15:38:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-12-21 15:38:31,983 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-12-21 15:38:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 15:38:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-21 15:38:31,984 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-21 15:38:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2021-12-21 15:38:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2021-12-21 15:38:31,984 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2021-12-21 15:38:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 15:38:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 15:38:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 15:38:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 15:38:31,986 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 15:38:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-21 15:38:31,986 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-21 15:38:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-21 15:38:31,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-21 15:38:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 15:38:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 15:38:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 15:38:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 15:38:31,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 15:38:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-21 15:38:31,987 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-21 15:38:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 15:38:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 15:38:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-12-21 15:38:31,988 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-12-21 15:38:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 15:38:31,988 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 15:38:31,989 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2021-12-21 15:38:31,989 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2021-12-21 15:38:31,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 15:38:31,989 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-12-21 15:38:31,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-12-21 15:38:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 15:38:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 15:38:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2021-12-21 15:38:31,990 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2021-12-21 15:38:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-21 15:38:31,990 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-21 15:38:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-12-21 15:38:31,990 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-12-21 15:38:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-21 15:38:31,991 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-21 15:38:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 15:38:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real [2021-12-21 15:38:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_string [2021-12-21 15:38:31,991 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_string [2021-12-21 15:38:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 15:38:32,235 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 15:38:32,240 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 15:38:32,370 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !true; [2021-12-21 15:38:32,973 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 15:38:32,982 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 15:38:32,982 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-21 15:38:32,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:38:32 BoogieIcfgContainer [2021-12-21 15:38:32,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 15:38:32,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 15:38:32,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 15:38:32,988 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 15:38:32,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 03:38:29" (1/3) ... [2021-12-21 15:38:32,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7611f8ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:38:32, skipping insertion in model container [2021-12-21 15:38:32,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:38:31" (2/3) ... [2021-12-21 15:38:32,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7611f8ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:38:32, skipping insertion in model container [2021-12-21 15:38:32,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:38:32" (3/3) ... [2021-12-21 15:38:32,991 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_string_harness.i [2021-12-21 15:38:32,994 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 15:38:32,994 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 15:38:33,032 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 15:38:33,040 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 [2021-12-21 15:38:33,041 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 15:38:33,056 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 97 states have (on average 1.175257731958763) internal successors, (114), 97 states have internal predecessors, (114), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2021-12-21 15:38:33,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-12-21 15:38:33,089 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:38:33,090 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:38:33,091 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:38:33,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:38:33,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1670706302, now seen corresponding path program 1 times [2021-12-21 15:38:33,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:38:33,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454451318] [2021-12-21 15:38:33,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:33,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:38:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:33,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:33,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:38:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:33,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 15:38:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:33,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:33,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-21 15:38:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:33,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-21 15:38:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:33,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:33,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 15:38:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:33,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:33,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:33,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 15:38:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:33,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 15:38:33,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:33,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:33,721 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-12-21 15:38:33,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:38:33,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454451318] [2021-12-21 15:38:33,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454451318] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:38:33,722 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:38:33,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 15:38:33,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268519511] [2021-12-21 15:38:33,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:38:33,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 15:38:33,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:38:33,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 15:38:33,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-21 15:38:33,751 INFO L87 Difference]: Start difference. First operand has 153 states, 97 states have (on average 1.175257731958763) internal successors, (114), 97 states have internal predecessors, (114), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-21 15:38:34,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:38:34,110 INFO L93 Difference]: Finished difference Result 317 states and 419 transitions. [2021-12-21 15:38:34,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 15:38:34,112 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 80 [2021-12-21 15:38:34,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:38:34,120 INFO L225 Difference]: With dead ends: 317 [2021-12-21 15:38:34,120 INFO L226 Difference]: Without dead ends: 164 [2021-12-21 15:38:34,126 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-21 15:38:34,131 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 60 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-21 15:38:34,131 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 264 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-21 15:38:34,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-12-21 15:38:34,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 147. [2021-12-21 15:38:34,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 91 states have (on average 1.164835164835165) internal successors, (106), 92 states have internal predecessors, (106), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2021-12-21 15:38:34,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 183 transitions. [2021-12-21 15:38:34,185 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 183 transitions. Word has length 80 [2021-12-21 15:38:34,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:38:34,185 INFO L470 AbstractCegarLoop]: Abstraction has 147 states and 183 transitions. [2021-12-21 15:38:34,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-21 15:38:34,186 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 183 transitions. [2021-12-21 15:38:34,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-12-21 15:38:34,191 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:38:34,191 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:38:34,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 15:38:34,192 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:38:34,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:38:34,192 INFO L85 PathProgramCache]: Analyzing trace with hash 2065694084, now seen corresponding path program 1 times [2021-12-21 15:38:34,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:38:34,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575221516] [2021-12-21 15:38:34,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:34,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:38:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:34,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:34,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:38:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:34,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 15:38:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:34,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:34,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-21 15:38:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:34,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-21 15:38:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:34,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:34,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 15:38:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:34,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:34,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 15:38:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:34,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 15:38:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:34,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:34,596 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-12-21 15:38:34,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:38:34,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575221516] [2021-12-21 15:38:34,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575221516] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:38:34,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:38:34,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-21 15:38:34,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372868969] [2021-12-21 15:38:34,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:38:34,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-21 15:38:34,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:38:34,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-21 15:38:34,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-12-21 15:38:34,599 INFO L87 Difference]: Start difference. First operand 147 states and 183 transitions. Second operand has 12 states, 11 states have (on average 3.909090909090909) internal successors, (43), 10 states have internal predecessors, (43), 4 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (12), 4 states have call predecessors, (12), 3 states have call successors, (12) [2021-12-21 15:38:35,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:38:35,557 INFO L93 Difference]: Finished difference Result 246 states and 315 transitions. [2021-12-21 15:38:35,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-21 15:38:35,558 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.909090909090909) internal successors, (43), 10 states have internal predecessors, (43), 4 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (12), 4 states have call predecessors, (12), 3 states have call successors, (12) Word has length 80 [2021-12-21 15:38:35,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:38:35,562 INFO L225 Difference]: With dead ends: 246 [2021-12-21 15:38:35,562 INFO L226 Difference]: Without dead ends: 199 [2021-12-21 15:38:35,562 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-12-21 15:38:35,563 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 84 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1157 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-21 15:38:35,563 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 1157 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-21 15:38:35,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2021-12-21 15:38:35,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 160. [2021-12-21 15:38:35,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 99 states have (on average 1.1515151515151516) internal successors, (114), 102 states have internal predecessors, (114), 42 states have call successors, (42), 16 states have call predecessors, (42), 18 states have return successors, (43), 41 states have call predecessors, (43), 41 states have call successors, (43) [2021-12-21 15:38:35,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 199 transitions. [2021-12-21 15:38:35,578 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 199 transitions. Word has length 80 [2021-12-21 15:38:35,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:38:35,579 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 199 transitions. [2021-12-21 15:38:35,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.909090909090909) internal successors, (43), 10 states have internal predecessors, (43), 4 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (12), 4 states have call predecessors, (12), 3 states have call successors, (12) [2021-12-21 15:38:35,579 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 199 transitions. [2021-12-21 15:38:35,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-12-21 15:38:35,580 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:38:35,580 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:38:35,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 15:38:35,581 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:38:35,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:38:35,581 INFO L85 PathProgramCache]: Analyzing trace with hash -305918410, now seen corresponding path program 1 times [2021-12-21 15:38:35,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:38:35,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381433651] [2021-12-21 15:38:35,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:35,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:38:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:35,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:35,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:38:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:35,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 15:38:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:35,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:35,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-21 15:38:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:35,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-21 15:38:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:35,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:35,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 15:38:35,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:35,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:38:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:35,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:35,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:35,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 15:38:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:35,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 15:38:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:35,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:35,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 15:38:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:35,958 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-12-21 15:38:35,958 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:38:35,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381433651] [2021-12-21 15:38:35,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381433651] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:38:35,958 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:38:35,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-21 15:38:35,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688400340] [2021-12-21 15:38:35,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:38:35,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-21 15:38:35,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:38:35,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-21 15:38:35,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-21 15:38:35,963 INFO L87 Difference]: Start difference. First operand 160 states and 199 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 1 states have call successors, (14) [2021-12-21 15:38:36,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:38:36,608 INFO L93 Difference]: Finished difference Result 256 states and 325 transitions. [2021-12-21 15:38:36,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-21 15:38:36,608 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 1 states have call successors, (14) Word has length 95 [2021-12-21 15:38:36,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:38:36,610 INFO L225 Difference]: With dead ends: 256 [2021-12-21 15:38:36,610 INFO L226 Difference]: Without dead ends: 216 [2021-12-21 15:38:36,611 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-12-21 15:38:36,612 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 141 mSDsluCounter, 703 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-21 15:38:36,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 873 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-21 15:38:36,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-12-21 15:38:36,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 170. [2021-12-21 15:38:36,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 106 states have (on average 1.1415094339622642) internal successors, (121), 109 states have internal predecessors, (121), 42 states have call successors, (42), 16 states have call predecessors, (42), 21 states have return successors, (48), 44 states have call predecessors, (48), 41 states have call successors, (48) [2021-12-21 15:38:36,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 211 transitions. [2021-12-21 15:38:36,643 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 211 transitions. Word has length 95 [2021-12-21 15:38:36,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:38:36,643 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 211 transitions. [2021-12-21 15:38:36,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 1 states have call successors, (14) [2021-12-21 15:38:36,644 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 211 transitions. [2021-12-21 15:38:36,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-12-21 15:38:36,645 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:38:36,645 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:38:36,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 15:38:36,646 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:38:36,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:38:36,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1176778786, now seen corresponding path program 1 times [2021-12-21 15:38:36,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:38:36,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135624291] [2021-12-21 15:38:36,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:36,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:38:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:36,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:36,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:38:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:36,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 15:38:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:36,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:36,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-21 15:38:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:36,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 15:38:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:36,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:38:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:36,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:36,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 15:38:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:36,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:36,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 15:38:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:36,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 15:38:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:36,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:36,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 15:38:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:36,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-21 15:38:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:36,972 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-12-21 15:38:36,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:38:36,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135624291] [2021-12-21 15:38:36,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135624291] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:38:36,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:38:36,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-21 15:38:36,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107954429] [2021-12-21 15:38:36,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:38:36,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-21 15:38:36,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:38:36,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-21 15:38:36,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-12-21 15:38:36,975 INFO L87 Difference]: Start difference. First operand 170 states and 211 transitions. Second operand has 13 states, 11 states have (on average 5.090909090909091) internal successors, (56), 9 states have internal predecessors, (56), 6 states have call successors, (16), 5 states have call predecessors, (16), 3 states have return successors, (15), 5 states have call predecessors, (15), 6 states have call successors, (15) [2021-12-21 15:38:37,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:38:37,985 INFO L93 Difference]: Finished difference Result 282 states and 362 transitions. [2021-12-21 15:38:37,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-21 15:38:37,986 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 5.090909090909091) internal successors, (56), 9 states have internal predecessors, (56), 6 states have call successors, (16), 5 states have call predecessors, (16), 3 states have return successors, (15), 5 states have call predecessors, (15), 6 states have call successors, (15) Word has length 99 [2021-12-21 15:38:37,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:38:37,991 INFO L225 Difference]: With dead ends: 282 [2021-12-21 15:38:37,992 INFO L226 Difference]: Without dead ends: 226 [2021-12-21 15:38:37,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=132, Invalid=518, Unknown=0, NotChecked=0, Total=650 [2021-12-21 15:38:37,995 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 264 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 1095 SdHoareTripleChecker+Invalid, 1149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-21 15:38:37,996 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [283 Valid, 1095 Invalid, 1149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-21 15:38:37,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2021-12-21 15:38:38,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 162. [2021-12-21 15:38:38,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 101 states have (on average 1.1485148514851484) internal successors, (116), 103 states have internal predecessors, (116), 41 states have call successors, (41), 16 states have call predecessors, (41), 19 states have return successors, (42), 42 states have call predecessors, (42), 39 states have call successors, (42) [2021-12-21 15:38:38,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 199 transitions. [2021-12-21 15:38:38,022 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 199 transitions. Word has length 99 [2021-12-21 15:38:38,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:38:38,023 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 199 transitions. [2021-12-21 15:38:38,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 5.090909090909091) internal successors, (56), 9 states have internal predecessors, (56), 6 states have call successors, (16), 5 states have call predecessors, (16), 3 states have return successors, (15), 5 states have call predecessors, (15), 6 states have call successors, (15) [2021-12-21 15:38:38,024 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 199 transitions. [2021-12-21 15:38:38,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-12-21 15:38:38,025 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:38:38,025 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:38:38,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 15:38:38,033 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:38:38,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:38:38,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1965360267, now seen corresponding path program 1 times [2021-12-21 15:38:38,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:38:38,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186952652] [2021-12-21 15:38:38,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:38,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:38:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:38,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:38,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:38:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:38,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 15:38:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:38,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:38,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-21 15:38:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:38,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-21 15:38:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:38,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:38,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:38,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 15:38:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:38,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:38:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:38,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:38,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:38,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 15:38:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:38,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 15:38:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:38,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:38,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 15:38:38,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:38,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 15:38:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:38,447 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-12-21 15:38:38,448 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:38:38,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186952652] [2021-12-21 15:38:38,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186952652] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:38:38,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448693624] [2021-12-21 15:38:38,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:38,449 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:38,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:38:38,450 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) [2021-12-21 15:38:38,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-21 15:38:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:38,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 2690 conjuncts, 104 conjunts are in the unsatisfiable core [2021-12-21 15:38:38,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:38:39,110 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-21 15:38:41,380 INFO L353 Elim1Store]: treesize reduction 120, result has 21.6 percent of original size [2021-12-21 15:38:41,380 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 223 treesize of output 163 [2021-12-21 15:38:41,649 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 22 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-12-21 15:38:41,650 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 15:38:44,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448693624] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:38:44,044 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-21 15:38:44,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 30] total 40 [2021-12-21 15:38:44,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290356021] [2021-12-21 15:38:44,045 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-21 15:38:44,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2021-12-21 15:38:44,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:38:44,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-12-21 15:38:44,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=2209, Unknown=0, NotChecked=0, Total=2352 [2021-12-21 15:38:44,047 INFO L87 Difference]: Start difference. First operand 162 states and 199 transitions. Second operand has 40 states, 34 states have (on average 3.1470588235294117) internal successors, (107), 29 states have internal predecessors, (107), 14 states have call successors, (32), 8 states have call predecessors, (32), 9 states have return successors, (30), 14 states have call predecessors, (30), 13 states have call successors, (30) [2021-12-21 15:38:44,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:38:44,548 INFO L93 Difference]: Finished difference Result 174 states and 209 transitions. [2021-12-21 15:38:44,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-21 15:38:44,549 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 34 states have (on average 3.1470588235294117) internal successors, (107), 29 states have internal predecessors, (107), 14 states have call successors, (32), 8 states have call predecessors, (32), 9 states have return successors, (30), 14 states have call predecessors, (30), 13 states have call successors, (30) Word has length 103 [2021-12-21 15:38:44,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:38:44,549 INFO L225 Difference]: With dead ends: 174 [2021-12-21 15:38:44,549 INFO L226 Difference]: Without dead ends: 0 [2021-12-21 15:38:44,550 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 117 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=200, Invalid=2880, Unknown=0, NotChecked=0, Total=3080 [2021-12-21 15:38:44,551 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 31 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 56 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 15:38:44,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 190 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 294 Invalid, 0 Unknown, 56 Unchecked, 0.2s Time] [2021-12-21 15:38:44,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-21 15:38:44,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-21 15:38:44,552 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) [2021-12-21 15:38:44,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-21 15:38:44,552 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2021-12-21 15:38:44,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:38:44,552 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 15:38:44,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 34 states have (on average 3.1470588235294117) internal successors, (107), 29 states have internal predecessors, (107), 14 states have call successors, (32), 8 states have call predecessors, (32), 9 states have return successors, (30), 14 states have call predecessors, (30), 13 states have call successors, (30) [2021-12-21 15:38:44,553 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-21 15:38:44,553 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-21 15:38:44,556 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 15:38:44,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-21 15:38:44,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:44,785 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-21 15:38:44,880 INFO L854 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6882 6887) the Hoare annotation is: (or (not (= 195 |~#s_can_fail_allocator_static~0.base|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-12-21 15:38:44,881 INFO L858 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6882 6887) no Hoare annotation was computed. [2021-12-21 15:38:44,881 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2021-12-21 15:38:44,881 INFO L858 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2021-12-21 15:38:44,881 INFO L854 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: (or (not (= 195 |~#s_can_fail_allocator_static~0.base|)) (and (= |bounded_malloc_#in~size| bounded_malloc_~size) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-12-21 15:38:44,881 INFO L861 garLoopResultBuilder]: At program point aws_mem_acquireENTRY(lines 6928 6938) the Hoare annotation is: true [2021-12-21 15:38:44,881 INFO L858 garLoopResultBuilder]: For program point L6934(lines 6934 6936) no Hoare annotation was computed. [2021-12-21 15:38:44,881 INFO L858 garLoopResultBuilder]: For program point L6935-1(line 6935) no Hoare annotation was computed. [2021-12-21 15:38:44,881 INFO L861 garLoopResultBuilder]: At program point L6935(line 6935) the Hoare annotation is: true [2021-12-21 15:38:44,881 INFO L858 garLoopResultBuilder]: For program point aws_mem_acquireEXIT(lines 6928 6938) no Hoare annotation was computed. [2021-12-21 15:38:44,882 INFO L861 garLoopResultBuilder]: At program point L6931-1(line 6931) the Hoare annotation is: true [2021-12-21 15:38:44,882 INFO L861 garLoopResultBuilder]: At program point L6931(line 6931) the Hoare annotation is: true [2021-12-21 15:38:44,882 INFO L858 garLoopResultBuilder]: For program point L6934-2(lines 6934 6936) no Hoare annotation was computed. [2021-12-21 15:38:44,882 INFO L858 garLoopResultBuilder]: For program point L6933(line 6933) no Hoare annotation was computed. [2021-12-21 15:38:44,882 INFO L858 garLoopResultBuilder]: For program point L6929-2(line 6929) no Hoare annotation was computed. [2021-12-21 15:38:44,882 INFO L861 garLoopResultBuilder]: At program point L6929-1(line 6929) the Hoare annotation is: true [2021-12-21 15:38:44,882 INFO L861 garLoopResultBuilder]: At program point L6929(line 6929) the Hoare annotation is: true [2021-12-21 15:38:44,882 INFO L858 garLoopResultBuilder]: For program point aws_mem_acquireFINAL(lines 6928 6938) no Hoare annotation was computed. [2021-12-21 15:38:44,882 INFO L858 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2021-12-21 15:38:44,882 INFO L858 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2021-12-21 15:38:44,882 INFO L861 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2021-12-21 15:38:44,882 INFO L861 garLoopResultBuilder]: At program point aws_string_is_validENTRY(lines 6252 6257) the Hoare annotation is: true [2021-12-21 15:38:44,882 INFO L858 garLoopResultBuilder]: For program point L6256-2(line 6256) no Hoare annotation was computed. [2021-12-21 15:38:44,883 INFO L858 garLoopResultBuilder]: For program point L6256(line 6256) no Hoare annotation was computed. [2021-12-21 15:38:44,883 INFO L858 garLoopResultBuilder]: For program point L6256-5(line 6256) no Hoare annotation was computed. [2021-12-21 15:38:44,883 INFO L858 garLoopResultBuilder]: For program point aws_string_is_validFINAL(lines 6252 6257) no Hoare annotation was computed. [2021-12-21 15:38:44,883 INFO L858 garLoopResultBuilder]: For program point L6256-3(line 6256) no Hoare annotation was computed. [2021-12-21 15:38:44,883 INFO L858 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6252 6257) no Hoare annotation was computed. [2021-12-21 15:38:44,883 INFO L858 garLoopResultBuilder]: For program point aws_allocator_is_validFINAL(lines 6923 6926) no Hoare annotation was computed. [2021-12-21 15:38:44,883 INFO L858 garLoopResultBuilder]: For program point L6925-1(line 6925) no Hoare annotation was computed. [2021-12-21 15:38:44,883 INFO L861 garLoopResultBuilder]: At program point L6925(line 6925) the Hoare annotation is: true [2021-12-21 15:38:44,883 INFO L861 garLoopResultBuilder]: At program point aws_allocator_is_validENTRY(lines 6923 6926) the Hoare annotation is: true [2021-12-21 15:38:44,884 INFO L858 garLoopResultBuilder]: For program point aws_allocator_is_validEXIT(lines 6923 6926) no Hoare annotation was computed. [2021-12-21 15:38:44,884 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2021-12-21 15:38:44,884 INFO L861 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2021-12-21 15:38:44,884 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2021-12-21 15:38:44,884 INFO L861 garLoopResultBuilder]: At program point __CPROVER_overflow_plusENTRY(lines 248 251) the Hoare annotation is: true [2021-12-21 15:38:44,884 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_plusFINAL(lines 248 251) no Hoare annotation was computed. [2021-12-21 15:38:44,884 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_plusEXIT(lines 248 251) no Hoare annotation was computed. [2021-12-21 15:38:44,884 INFO L858 garLoopResultBuilder]: For program point L8989(line 8989) no Hoare annotation was computed. [2021-12-21 15:38:44,885 INFO L858 garLoopResultBuilder]: For program point L8990-1(line 8990) no Hoare annotation was computed. [2021-12-21 15:38:44,885 INFO L861 garLoopResultBuilder]: At program point L8989-1(line 8989) the Hoare annotation is: true [2021-12-21 15:38:44,885 INFO L858 garLoopResultBuilder]: For program point L8989-2(line 8989) no Hoare annotation was computed. [2021-12-21 15:38:44,885 INFO L861 garLoopResultBuilder]: At program point aws_string_new_from_stringENTRY(lines 8988 8991) the Hoare annotation is: true [2021-12-21 15:38:44,885 INFO L861 garLoopResultBuilder]: At program point L8990(line 8990) the Hoare annotation is: true [2021-12-21 15:38:44,885 INFO L861 garLoopResultBuilder]: At program point L8989-4(line 8989) the Hoare annotation is: true [2021-12-21 15:38:44,885 INFO L858 garLoopResultBuilder]: For program point L8989-5(line 8989) no Hoare annotation was computed. [2021-12-21 15:38:44,885 INFO L858 garLoopResultBuilder]: For program point aws_string_new_from_stringEXIT(lines 8988 8991) no Hoare annotation was computed. [2021-12-21 15:38:44,885 INFO L858 garLoopResultBuilder]: For program point aws_string_new_from_stringFINAL(lines 8988 8991) no Hoare annotation was computed. [2021-12-21 15:38:44,885 INFO L861 garLoopResultBuilder]: At program point can_fail_mallocENTRY(lines 6899 6903) the Hoare annotation is: true [2021-12-21 15:38:44,885 INFO L858 garLoopResultBuilder]: For program point L6900-3(lines 6900 6902) no Hoare annotation was computed. [2021-12-21 15:38:44,886 INFO L861 garLoopResultBuilder]: At program point L6902(line 6902) the Hoare annotation is: true [2021-12-21 15:38:44,886 INFO L858 garLoopResultBuilder]: For program point can_fail_mallocFINAL(lines 6899 6903) no Hoare annotation was computed. [2021-12-21 15:38:44,886 INFO L858 garLoopResultBuilder]: For program point L6900-1(lines 6900 6902) no Hoare annotation was computed. [2021-12-21 15:38:44,886 INFO L858 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 6899 6903) no Hoare annotation was computed. [2021-12-21 15:38:44,886 INFO L861 garLoopResultBuilder]: At program point L6900(line 6900) the Hoare annotation is: true [2021-12-21 15:38:44,886 INFO L858 garLoopResultBuilder]: For program point L6902-1(line 6902) no Hoare annotation was computed. [2021-12-21 15:38:44,886 INFO L861 garLoopResultBuilder]: At program point aws_string_new_from_arrayENTRY(lines 8964 8986) the Hoare annotation is: true [2021-12-21 15:38:44,886 INFO L858 garLoopResultBuilder]: For program point L8985-4(line 8985) no Hoare annotation was computed. [2021-12-21 15:38:44,886 INFO L861 garLoopResultBuilder]: At program point L8985-1(line 8985) the Hoare annotation is: true [2021-12-21 15:38:44,886 INFO L861 garLoopResultBuilder]: At program point L8983(line 8983) the Hoare annotation is: true [2021-12-21 15:38:44,887 INFO L858 garLoopResultBuilder]: For program point L8985-2(line 8985) no Hoare annotation was computed. [2021-12-21 15:38:44,887 INFO L858 garLoopResultBuilder]: For program point L8983-1(line 8983) no Hoare annotation was computed. [2021-12-21 15:38:44,887 INFO L861 garLoopResultBuilder]: At program point L8985-3(line 8985) the Hoare annotation is: true [2021-12-21 15:38:44,887 INFO L861 garLoopResultBuilder]: At program point L8973(line 8973) the Hoare annotation is: true [2021-12-21 15:38:44,887 INFO L858 garLoopResultBuilder]: For program point L8973-1(line 8973) no Hoare annotation was computed. [2021-12-21 15:38:44,887 INFO L861 garLoopResultBuilder]: At program point L8965(line 8965) the Hoare annotation is: true [2021-12-21 15:38:44,887 INFO L858 garLoopResultBuilder]: For program point aws_string_new_from_arrayFINAL(lines 8964 8986) no Hoare annotation was computed. [2021-12-21 15:38:44,887 INFO L861 garLoopResultBuilder]: At program point L8965-1(line 8965) the Hoare annotation is: true [2021-12-21 15:38:44,887 INFO L858 garLoopResultBuilder]: For program point aws_string_new_from_arrayEXIT(lines 8964 8986) no Hoare annotation was computed. [2021-12-21 15:38:44,887 INFO L858 garLoopResultBuilder]: For program point L8974(lines 8974 8978) no Hoare annotation was computed. [2021-12-21 15:38:44,887 INFO L861 garLoopResultBuilder]: At program point L8968(line 8968) the Hoare annotation is: true [2021-12-21 15:38:44,887 INFO L858 garLoopResultBuilder]: For program point L8968-1(line 8968) no Hoare annotation was computed. [2021-12-21 15:38:44,887 INFO L858 garLoopResultBuilder]: For program point L8966(line 8966) no Hoare annotation was computed. [2021-12-21 15:38:44,887 INFO L858 garLoopResultBuilder]: For program point L8968-2(lines 8968 8972) no Hoare annotation was computed. [2021-12-21 15:38:44,887 INFO L861 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-12-21 15:38:44,888 INFO L861 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: true [2021-12-21 15:38:44,888 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memcpyFINAL(line -1) no Hoare annotation was computed. [2021-12-21 15:38:44,888 INFO L861 garLoopResultBuilder]: At program point #Ultimate.C_memcpyENTRY(line -1) the Hoare annotation is: true [2021-12-21 15:38:44,888 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memcpyEXIT(line -1) no Hoare annotation was computed. [2021-12-21 15:38:44,888 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2021-12-21 15:38:44,888 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-12-21 15:38:44,888 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-21 15:38:44,888 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-12-21 15:38:44,888 INFO L861 garLoopResultBuilder]: At program point aws_raise_errorENTRY(lines 1988 1999) the Hoare annotation is: true [2021-12-21 15:38:44,888 INFO L858 garLoopResultBuilder]: For program point aws_raise_errorFINAL(lines 1988 1999) no Hoare annotation was computed. [2021-12-21 15:38:44,889 INFO L858 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2021-12-21 15:38:44,889 INFO L858 garLoopResultBuilder]: For program point L7317(lines 7317 7319) no Hoare annotation was computed. [2021-12-21 15:38:44,889 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6889 6891) no Hoare annotation was computed. [2021-12-21 15:38:44,889 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6889 6891) no Hoare annotation was computed. [2021-12-21 15:38:44,889 INFO L861 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6889 6891) the Hoare annotation is: true [2021-12-21 15:38:44,889 INFO L861 garLoopResultBuilder]: At program point L2545(lines 2541 2546) the Hoare annotation is: true [2021-12-21 15:38:44,889 INFO L861 garLoopResultBuilder]: At program point aws_add_size_checkedENTRY(lines 2613 2621) the Hoare annotation is: true [2021-12-21 15:38:44,889 INFO L861 garLoopResultBuilder]: At program point L2542(line 2542) the Hoare annotation is: true [2021-12-21 15:38:44,889 INFO L858 garLoopResultBuilder]: For program point L2543-1(line 2543) no Hoare annotation was computed. [2021-12-21 15:38:44,890 INFO L861 garLoopResultBuilder]: At program point L2543(line 2543) the Hoare annotation is: true [2021-12-21 15:38:44,890 INFO L858 garLoopResultBuilder]: For program point L2542-1(lines 2542 2543) no Hoare annotation was computed. [2021-12-21 15:38:44,890 INFO L858 garLoopResultBuilder]: For program point aws_add_size_checkedFINAL(lines 2613 2621) no Hoare annotation was computed. [2021-12-21 15:38:44,890 INFO L858 garLoopResultBuilder]: For program point aws_add_size_checkedEXIT(lines 2613 2621) no Hoare annotation was computed. [2021-12-21 15:38:44,890 INFO L854 garLoopResultBuilder]: At program point L6815(lines 6806 6816) the Hoare annotation is: false [2021-12-21 15:38:44,890 INFO L858 garLoopResultBuilder]: For program point L9338(lines 9338 9344) no Hoare annotation was computed. [2021-12-21 15:38:44,890 INFO L858 garLoopResultBuilder]: For program point L7100-1(lines 7099 7112) no Hoare annotation was computed. [2021-12-21 15:38:44,890 INFO L854 garLoopResultBuilder]: At program point L7100(line 7100) the Hoare annotation is: false [2021-12-21 15:38:44,890 INFO L858 garLoopResultBuilder]: For program point L6807-1(line 6807) no Hoare annotation was computed. [2021-12-21 15:38:44,891 INFO L854 garLoopResultBuilder]: At program point L6807(line 6807) the Hoare annotation is: (and (let ((.cse0 (* (div |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) 18446744073709551616))) (<= (+ 18446744073709551616 .cse0) (+ |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1| (* 18446744073709551616 (div (+ (* (- 1) |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1|) 18446744073710786164 .cse0) 18446744073709551616))))) (= 195 |~#s_can_fail_allocator_static~0.base|) (<= 18446744073709551616 (+ |ULTIMATE.start_ensure_string_is_allocated_~len#1| (* 18446744073709551616 (div (+ 18446744073710786164 (* (- 1) |ULTIMATE.start_ensure_string_is_allocated_~len#1|)) 18446744073709551616)))) (= (+ |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| (- 18446744073710786165)) 0)) [2021-12-21 15:38:44,891 INFO L854 garLoopResultBuilder]: At program point L6803(lines 6800 6804) the Hoare annotation is: false [2021-12-21 15:38:44,891 INFO L854 garLoopResultBuilder]: At program point L9338-2(lines 9338 9344) the Hoare annotation is: false [2021-12-21 15:38:44,891 INFO L854 garLoopResultBuilder]: At program point L6795(lines 6793 6798) the Hoare annotation is: false [2021-12-21 15:38:44,891 INFO L861 garLoopResultBuilder]: At program point L9347(line 9347) the Hoare annotation is: true [2021-12-21 15:38:44,891 INFO L858 garLoopResultBuilder]: For program point L9343-2(line 9343) no Hoare annotation was computed. [2021-12-21 15:38:44,891 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-21 15:38:44,891 INFO L854 garLoopResultBuilder]: At program point L9339(line 9339) the Hoare annotation is: false [2021-12-21 15:38:44,892 INFO L858 garLoopResultBuilder]: For program point L9339-1(line 9339) no Hoare annotation was computed. [2021-12-21 15:38:44,892 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-21 15:38:44,892 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-21 15:38:44,892 INFO L854 garLoopResultBuilder]: At program point L9343(line 9343) the Hoare annotation is: false [2021-12-21 15:38:44,892 INFO L854 garLoopResultBuilder]: At program point L9343-1(line 9343) the Hoare annotation is: false [2021-12-21 15:38:44,892 INFO L854 garLoopResultBuilder]: At program point L9335(line 9335) the Hoare annotation is: false [2021-12-21 15:38:44,892 INFO L858 garLoopResultBuilder]: For program point L9335-1(line 9335) no Hoare annotation was computed. [2021-12-21 15:38:44,892 INFO L854 garLoopResultBuilder]: At program point L7110(line 7110) the Hoare annotation is: false [2021-12-21 15:38:44,892 INFO L854 garLoopResultBuilder]: At program point L7106(line 7106) the Hoare annotation is: false [2021-12-21 15:38:44,893 INFO L858 garLoopResultBuilder]: For program point L7110-1(line 7110) no Hoare annotation was computed. [2021-12-21 15:38:44,893 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-21 15:38:44,893 INFO L854 garLoopResultBuilder]: At program point L9340(line 9340) the Hoare annotation is: false [2021-12-21 15:38:44,893 INFO L858 garLoopResultBuilder]: For program point L9340-1(line 9340) no Hoare annotation was computed. [2021-12-21 15:38:44,893 INFO L858 garLoopResultBuilder]: For program point L7106-1(line 7106) no Hoare annotation was computed. [2021-12-21 15:38:44,893 INFO L858 garLoopResultBuilder]: For program point L9332(line 9332) no Hoare annotation was computed. [2021-12-21 15:38:44,893 INFO L854 garLoopResultBuilder]: At program point L9332-2(line 9332) the Hoare annotation is: false [2021-12-21 15:38:44,893 INFO L858 garLoopResultBuilder]: For program point L6801-1(line 6801) no Hoare annotation was computed. [2021-12-21 15:38:44,893 INFO L854 garLoopResultBuilder]: At program point L6801(line 6801) the Hoare annotation is: (and (= 195 |~#s_can_fail_allocator_static~0.base|) (= (+ |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| (- 18446744073710786165)) 0)) [2021-12-21 15:38:44,894 INFO L858 garLoopResultBuilder]: For program point L9332-3(line 9332) no Hoare annotation was computed. [2021-12-21 15:38:44,894 INFO L858 garLoopResultBuilder]: For program point L9332-4(line 9332) no Hoare annotation was computed. [2021-12-21 15:38:44,894 INFO L858 garLoopResultBuilder]: For program point L7107-1(lines 7107 7109) no Hoare annotation was computed. [2021-12-21 15:38:44,894 INFO L854 garLoopResultBuilder]: At program point L7107(lines 7107 7109) the Hoare annotation is: false [2021-12-21 15:38:44,894 INFO L854 garLoopResultBuilder]: At program point L9341(line 9341) the Hoare annotation is: false [2021-12-21 15:38:44,894 INFO L858 garLoopResultBuilder]: For program point L9341-1(line 9341) no Hoare annotation was computed. [2021-12-21 15:38:44,894 INFO L854 garLoopResultBuilder]: At program point L6810(line 6810) the Hoare annotation is: false [2021-12-21 15:38:44,894 INFO L854 garLoopResultBuilder]: At program point L9345(line 9345) the Hoare annotation is: false [2021-12-21 15:38:44,894 INFO L858 garLoopResultBuilder]: For program point L7099(lines 7099 7112) no Hoare annotation was computed. [2021-12-21 15:38:44,895 INFO L858 garLoopResultBuilder]: For program point L9345-1(line 9345) no Hoare annotation was computed. [2021-12-21 15:38:44,895 INFO L858 garLoopResultBuilder]: For program point L6810-3(line 6810) no Hoare annotation was computed. [2021-12-21 15:38:44,895 INFO L854 garLoopResultBuilder]: At program point L6810-2(line 6810) the Hoare annotation is: false [2021-12-21 15:38:44,895 INFO L858 garLoopResultBuilder]: For program point L6810-1(lines 6810 6811) no Hoare annotation was computed. [2021-12-21 15:38:44,895 INFO L854 garLoopResultBuilder]: At program point L6802(line 6802) the Hoare annotation is: (and (= 195 |~#s_can_fail_allocator_static~0.base|) (= (+ |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| (- 18446744073710786165)) 0)) [2021-12-21 15:38:44,895 INFO L858 garLoopResultBuilder]: For program point L6810-5(lines 6810 6811) no Hoare annotation was computed. [2021-12-21 15:38:44,895 INFO L858 garLoopResultBuilder]: For program point L6802-1(line 6802) no Hoare annotation was computed. [2021-12-21 15:38:44,895 INFO L858 garLoopResultBuilder]: For program point L9329(lines 9329 9346) no Hoare annotation was computed. [2021-12-21 15:38:44,895 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-12-21 15:38:44,895 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-12-21 15:38:44,896 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-12-21 15:38:44,896 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-12-21 15:38:44,896 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-12-21 15:38:44,896 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-12-21 15:38:44,898 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-21 15:38:44,899 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 15:38:44,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 03:38:44 BoogieIcfgContainer [2021-12-21 15:38:44,906 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 15:38:44,906 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 15:38:44,906 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 15:38:44,907 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 15:38:44,907 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:38:32" (3/4) ... [2021-12-21 15:38:44,909 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-21 15:38:44,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2021-12-21 15:38:44,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-12-21 15:38:44,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_acquire [2021-12-21 15:38:44,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_new_from_array [2021-12-21 15:38:44,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-12-21 15:38:44,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2021-12-21 15:38:44,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-12-21 15:38:44,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2021-12-21 15:38:44,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2021-12-21 15:38:44,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2021-12-21 15:38:44,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_allocator_is_valid [2021-12-21 15:38:44,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_add_size_checked [2021-12-21 15:38:44,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2021-12-21 15:38:44,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-12-21 15:38:44,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_plus [2021-12-21 15:38:44,915 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_new_from_string [2021-12-21 15:38:44,923 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 154 nodes and edges [2021-12-21 15:38:44,925 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2021-12-21 15:38:44,926 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2021-12-21 15:38:44,926 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-12-21 15:38:44,927 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-12-21 15:38:44,928 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-12-21 15:38:44,929 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-21 15:38:44,929 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 15:38:45,492 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 15:38:45,493 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 15:38:45,493 INFO L158 Benchmark]: Toolchain (without parser) took 15685.83ms. Allocated memory was 104.9MB in the beginning and 362.8MB in the end (delta: 257.9MB). Free memory was 82.2MB in the beginning and 139.0MB in the end (delta: -56.8MB). Peak memory consumption was 259.0MB. Max. memory is 16.1GB. [2021-12-21 15:38:45,494 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 81.8MB. Free memory was 45.8MB in the beginning and 45.8MB in the end (delta: 48.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 15:38:45,494 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1847.01ms. Allocated memory was 104.9MB in the beginning and 146.8MB in the end (delta: 41.9MB). Free memory was 81.8MB in the beginning and 69.6MB in the end (delta: 12.3MB). Peak memory consumption was 84.5MB. Max. memory is 16.1GB. [2021-12-21 15:38:45,494 INFO L158 Benchmark]: Boogie Procedure Inliner took 163.07ms. Allocated memory is still 146.8MB. Free memory was 69.6MB in the beginning and 57.7MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-21 15:38:45,494 INFO L158 Benchmark]: Boogie Preprocessor took 100.32ms. Allocated memory is still 146.8MB. Free memory was 57.7MB in the beginning and 88.7MB in the end (delta: -31.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-21 15:38:45,495 INFO L158 Benchmark]: RCFGBuilder took 1061.22ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 88.7MB in the beginning and 98.6MB in the end (delta: -9.9MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2021-12-21 15:38:45,495 INFO L158 Benchmark]: TraceAbstraction took 11920.25ms. Allocated memory was 176.2MB in the beginning and 302.0MB in the end (delta: 125.8MB). Free memory was 98.6MB in the beginning and 94.8MB in the end (delta: 3.8MB). Peak memory consumption was 128.6MB. Max. memory is 16.1GB. [2021-12-21 15:38:45,495 INFO L158 Benchmark]: Witness Printer took 586.68ms. Allocated memory was 302.0MB in the beginning and 362.8MB in the end (delta: 60.8MB). Free memory was 94.8MB in the beginning and 139.0MB in the end (delta: -44.2MB). Peak memory consumption was 76.0MB. Max. memory is 16.1GB. [2021-12-21 15:38:45,496 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 81.8MB. Free memory was 45.8MB in the beginning and 45.8MB in the end (delta: 48.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1847.01ms. Allocated memory was 104.9MB in the beginning and 146.8MB in the end (delta: 41.9MB). Free memory was 81.8MB in the beginning and 69.6MB in the end (delta: 12.3MB). Peak memory consumption was 84.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 163.07ms. Allocated memory is still 146.8MB. Free memory was 69.6MB in the beginning and 57.7MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.32ms. Allocated memory is still 146.8MB. Free memory was 57.7MB in the beginning and 88.7MB in the end (delta: -31.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1061.22ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 88.7MB in the beginning and 98.6MB in the end (delta: -9.9MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. * TraceAbstraction took 11920.25ms. Allocated memory was 176.2MB in the beginning and 302.0MB in the end (delta: 125.8MB). Free memory was 98.6MB in the beginning and 94.8MB in the end (delta: 3.8MB). Peak memory consumption was 128.6MB. Max. memory is 16.1GB. * Witness Printer took 586.68ms. Allocated memory was 302.0MB in the beginning and 362.8MB in the end (delta: 60.8MB). Free memory was 94.8MB in the beginning and 139.0MB in the end (delta: -44.2MB). Peak memory consumption was 76.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 17 procedures, 153 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.9s, OverallIterations: 5, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 646 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 580 mSDsluCounter, 3579 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 56 IncrementalHoareTripleChecker+Unchecked, 2874 mSDsCounter, 412 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2655 IncrementalHoareTripleChecker+Invalid, 3123 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 412 mSolverCounterUnsat, 705 mSDtfsCounter, 2655 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 336 GetRequests, 229 SyntacticMatches, 1 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 673 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=170occurred in iteration=3, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 166 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 191 PreInvPairs, 193 NumberOfFragments, 148 HoareAnnotationTreeSize, 191 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 62 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.7s InterpolantComputationTime, 560 NumberOfCodeBlocks, 560 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 554 ConstructedInterpolants, 7 QuantifiedInterpolants, 3542 SizeOfPredicates, 32 NumberOfNonLiveVariables, 2690 ConjunctsInSsa, 104 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 233/254 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6793]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8985]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9347]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6800]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-12-21 15:38:45,526 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