./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_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 364b54724e976c015f9881f66521e5c6d863e13e3a8324ac15c0186b650523fa --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 22:20:22,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 22:20:22,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 22:20:22,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 22:20:22,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 22:20:22,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 22:20:22,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 22:20:22,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 22:20:22,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 22:20:22,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 22:20:22,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 22:20:22,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 22:20:22,626 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 22:20:22,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 22:20:22,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 22:20:22,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 22:20:22,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 22:20:22,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 22:20:22,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 22:20:22,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 22:20:22,640 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 22:20:22,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 22:20:22,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 22:20:22,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 22:20:22,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 22:20:22,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 22:20:22,648 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 22:20:22,648 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 22:20:22,649 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 22:20:22,649 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 22:20:22,650 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 22:20:22,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 22:20:22,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 22:20:22,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 22:20:22,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 22:20:22,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 22:20:22,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 22:20:22,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 22:20:22,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 22:20:22,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 22:20:22,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 22:20:22,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 22:20:22,657 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 22:20:22,678 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 22:20:22,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 22:20:22,679 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 22:20:22,679 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 22:20:22,680 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 22:20:22,680 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 22:20:22,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 22:20:22,680 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 22:20:22,681 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 22:20:22,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 22:20:22,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 22:20:22,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 22:20:22,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 22:20:22,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 22:20:22,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 22:20:22,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 22:20:22,682 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 22:20:22,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 22:20:22,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 22:20:22,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 22:20:22,683 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 22:20:22,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 22:20:22,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 22:20:22,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 22:20:22,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 22:20:22,684 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 22:20:22,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 22:20:22,684 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 22:20:22,684 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 22:20:22,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 22:20:22,684 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 364b54724e976c015f9881f66521e5c6d863e13e3a8324ac15c0186b650523fa [2022-07-19 22:20:22,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 22:20:22,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 22:20:22,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 22:20:22,894 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 22:20:22,894 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 22:20:22,895 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i [2022-07-19 22:20:22,954 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c274bd82/3ce629bf80a84b9190b07c3dbaeb394d/FLAG59ecdd35e [2022-07-19 22:20:23,567 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 22:20:23,568 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i [2022-07-19 22:20:23,593 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c274bd82/3ce629bf80a84b9190b07c3dbaeb394d/FLAG59ecdd35e [2022-07-19 22:20:23,979 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c274bd82/3ce629bf80a84b9190b07c3dbaeb394d [2022-07-19 22:20:23,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 22:20:23,982 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 22:20:23,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 22:20:23,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 22:20:23,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 22:20:23,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:20:23" (1/1) ... [2022-07-19 22:20:23,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@693b1729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:20:23, skipping insertion in model container [2022-07-19 22:20:23,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:20:23" (1/1) ... [2022-07-19 22:20:23,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 22:20:24,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 22:20:24,287 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_array_harness.i[4499,4512] [2022-07-19 22:20:24,292 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_array_harness.i[4559,4572] [2022-07-19 22:20:24,888 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:24,896 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:24,897 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:24,897 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:24,898 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:24,905 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:24,910 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:24,911 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:24,912 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:25,121 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-19 22:20:25,123 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-19 22:20:25,125 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-19 22:20:25,125 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-19 22:20:25,126 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-19 22:20:25,148 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-19 22:20:25,150 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-19 22:20:25,151 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-19 22:20:25,152 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-19 22:20:25,154 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-19 22:20:25,310 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-19 22:20:25,462 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:25,463 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:25,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 22:20:25,589 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 22:20:25,606 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_array_harness.i[4499,4512] [2022-07-19 22:20:25,608 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_array_harness.i[4559,4572] [2022-07-19 22:20:25,640 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:25,640 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:25,641 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:25,642 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:25,642 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:25,647 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:25,648 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:25,649 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:25,649 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:25,694 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-19 22:20:25,695 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-19 22:20:25,695 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-19 22:20:25,696 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-19 22:20:25,697 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-19 22:20:25,697 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-19 22:20:25,697 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-19 22:20:25,697 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-19 22:20:25,698 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-19 22:20:25,698 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-19 22:20:25,710 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-19 22:20:25,752 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:25,753 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:25,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 22:20:25,954 INFO L208 MainTranslator]: Completed translation [2022-07-19 22:20:25,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:20:25 WrapperNode [2022-07-19 22:20:25,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 22:20:25,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 22:20:25,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 22:20:25,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 22:20:25,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:20:25" (1/1) ... [2022-07-19 22:20:26,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:20:25" (1/1) ... [2022-07-19 22:20:26,140 INFO L137 Inliner]: procedures = 690, calls = 2737, calls flagged for inlining = 58, calls inlined = 6, statements flattened = 793 [2022-07-19 22:20:26,140 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 22:20:26,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 22:20:26,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 22:20:26,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 22:20:26,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:20:25" (1/1) ... [2022-07-19 22:20:26,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:20:25" (1/1) ... [2022-07-19 22:20:26,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:20:25" (1/1) ... [2022-07-19 22:20:26,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:20:25" (1/1) ... [2022-07-19 22:20:26,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:20:25" (1/1) ... [2022-07-19 22:20:26,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:20:25" (1/1) ... [2022-07-19 22:20:26,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:20:25" (1/1) ... [2022-07-19 22:20:26,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 22:20:26,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 22:20:26,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 22:20:26,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 22:20:26,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:20:25" (1/1) ... [2022-07-19 22:20:26,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 22:20:26,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 22:20:26,283 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-19 22:20:26,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-19 22:20:26,338 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-07-19 22:20:26,338 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-07-19 22:20:26,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 22:20:26,339 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-07-19 22:20:26,339 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-07-19 22:20:26,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2022-07-19 22:20:26,339 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-07-19 22:20:26,339 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-07-19 22:20:26,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-19 22:20:26,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-19 22:20:26,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-19 22:20:26,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-19 22:20:26,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-19 22:20:26,340 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-07-19 22:20:26,340 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-07-19 22:20:26,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-07-19 22:20:26,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-07-19 22:20:26,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 22:20:26,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 22:20:26,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 22:20:26,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 22:20:26,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 22:20:26,341 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-07-19 22:20:26,341 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-07-19 22:20:26,341 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2022-07-19 22:20:26,341 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2022-07-19 22:20:26,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-19 22:20:26,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-19 22:20:26,342 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-07-19 22:20:26,342 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-07-19 22:20:26,342 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-19 22:20:26,342 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-19 22:20:26,342 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-07-19 22:20:26,342 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-07-19 22:20:26,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 22:20:26,342 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-07-19 22:20:26,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-07-19 22:20:26,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 22:20:26,343 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2022-07-19 22:20:26,343 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2022-07-19 22:20:26,343 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-07-19 22:20:26,343 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-07-19 22:20:26,343 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-07-19 22:20:26,343 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-07-19 22:20:26,343 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-07-19 22:20:26,344 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-07-19 22:20:26,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-19 22:20:26,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real [2022-07-19 22:20:26,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 22:20:26,500 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 22:20:26,501 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 22:20:26,633 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !true; [2022-07-19 22:20:27,227 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 22:20:27,233 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 22:20:27,234 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-19 22:20:27,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:20:27 BoogieIcfgContainer [2022-07-19 22:20:27,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 22:20:27,238 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 22:20:27,238 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 22:20:27,241 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 22:20:27,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:20:23" (1/3) ... [2022-07-19 22:20:27,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e2da300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:20:27, skipping insertion in model container [2022-07-19 22:20:27,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:20:25" (2/3) ... [2022-07-19 22:20:27,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e2da300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:20:27, skipping insertion in model container [2022-07-19 22:20:27,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:20:27" (3/3) ... [2022-07-19 22:20:27,243 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_array_harness.i [2022-07-19 22:20:27,257 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 22:20:27,257 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 22:20:27,303 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 22:20:27,312 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@27a41ea9, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@28718cee [2022-07-19 22:20:27,312 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 22:20:27,318 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 83 states have (on average 1.1686746987951808) internal successors, (97), 83 states have internal predecessors, (97), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2022-07-19 22:20:27,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-07-19 22:20:27,328 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:20:27,329 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:20:27,329 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:20:27,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:20:27,335 INFO L85 PathProgramCache]: Analyzing trace with hash -2057633121, now seen corresponding path program 1 times [2022-07-19 22:20:27,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:20:27,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150013784] [2022-07-19 22:20:27,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:20:27,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:20:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:27,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 22:20:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:27,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 22:20:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:27,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 22:20:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:27,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:20:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:27,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 22:20:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:27,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 22:20:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:27,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 22:20:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:27,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 22:20:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:27,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:20:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:27,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:20:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:27,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 22:20:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:27,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:20:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:27,916 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-07-19 22:20:27,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:20:27,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150013784] [2022-07-19 22:20:27,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150013784] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:20:27,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:20:27,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 22:20:27,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723537039] [2022-07-19 22:20:27,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:20:27,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 22:20:27,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:20:27,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 22:20:27,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-19 22:20:27,947 INFO L87 Difference]: Start difference. First operand has 133 states, 83 states have (on average 1.1686746987951808) internal successors, (97), 83 states have internal predecessors, (97), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 2 states have internal predecessors, (32), 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) [2022-07-19 22:20:28,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:20:28,250 INFO L93 Difference]: Finished difference Result 277 states and 358 transitions. [2022-07-19 22:20:28,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 22:20:28,252 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 2 states have internal predecessors, (32), 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 71 [2022-07-19 22:20:28,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:20:28,259 INFO L225 Difference]: With dead ends: 277 [2022-07-19 22:20:28,259 INFO L226 Difference]: Without dead ends: 144 [2022-07-19 22:20:28,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-19 22:20:28,264 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 57 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 22:20:28,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 214 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 22:20:28,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2022-07-19 22:20:28,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 127. [2022-07-19 22:20:28,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 77 states have (on average 1.1428571428571428) internal successors, (88), 78 states have internal predecessors, (88), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-07-19 22:20:28,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 153 transitions. [2022-07-19 22:20:28,315 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 153 transitions. Word has length 71 [2022-07-19 22:20:28,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:20:28,315 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 153 transitions. [2022-07-19 22:20:28,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 2 states have internal predecessors, (32), 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) [2022-07-19 22:20:28,316 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 153 transitions. [2022-07-19 22:20:28,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-07-19 22:20:28,318 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:20:28,318 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:20:28,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 22:20:28,318 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:20:28,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:20:28,319 INFO L85 PathProgramCache]: Analyzing trace with hash 866247645, now seen corresponding path program 1 times [2022-07-19 22:20:28,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:20:28,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767072109] [2022-07-19 22:20:28,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:20:28,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:20:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:28,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 22:20:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:28,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 22:20:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:28,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 22:20:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:28,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:20:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:28,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 22:20:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:28,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 22:20:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:28,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 22:20:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:28,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 22:20:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:28,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:20:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:28,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:20:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:28,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 22:20:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:28,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:20:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:28,611 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-07-19 22:20:28,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:20:28,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767072109] [2022-07-19 22:20:28,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767072109] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:20:28,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:20:28,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 22:20:28,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776055302] [2022-07-19 22:20:28,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:20:28,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 22:20:28,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:20:28,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 22:20:28,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-19 22:20:28,614 INFO L87 Difference]: Start difference. First operand 127 states and 153 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 1 states have call successors, (12) [2022-07-19 22:20:29,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:20:29,104 INFO L93 Difference]: Finished difference Result 188 states and 225 transitions. [2022-07-19 22:20:29,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 22:20:29,105 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 1 states have call successors, (12) Word has length 71 [2022-07-19 22:20:29,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:20:29,106 INFO L225 Difference]: With dead ends: 188 [2022-07-19 22:20:29,106 INFO L226 Difference]: Without dead ends: 149 [2022-07-19 22:20:29,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-19 22:20:29,107 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 59 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-19 22:20:29,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 368 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-19 22:20:29,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2022-07-19 22:20:29,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 132. [2022-07-19 22:20:29,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 81 states have (on average 1.1358024691358024) internal successors, (92), 82 states have internal predecessors, (92), 33 states have call successors, (33), 16 states have call predecessors, (33), 17 states have return successors, (33), 33 states have call predecessors, (33), 32 states have call successors, (33) [2022-07-19 22:20:29,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 158 transitions. [2022-07-19 22:20:29,118 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 158 transitions. Word has length 71 [2022-07-19 22:20:29,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:20:29,119 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 158 transitions. [2022-07-19 22:20:29,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 1 states have call successors, (12) [2022-07-19 22:20:29,119 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 158 transitions. [2022-07-19 22:20:29,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-07-19 22:20:29,120 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:20:29,121 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:20:29,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 22:20:29,121 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:20:29,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:20:29,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1202353843, now seen corresponding path program 1 times [2022-07-19 22:20:29,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:20:29,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612497135] [2022-07-19 22:20:29,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:20:29,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:20:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:29,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 22:20:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:29,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 22:20:29,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:29,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 22:20:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:29,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:20:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:29,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 22:20:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:29,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 22:20:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:29,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 22:20:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:29,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 22:20:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:29,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:20:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:29,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:20:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:29,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 22:20:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:29,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:20:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:29,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:20:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:29,370 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-07-19 22:20:29,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:20:29,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612497135] [2022-07-19 22:20:29,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612497135] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:20:29,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:20:29,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 22:20:29,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406298678] [2022-07-19 22:20:29,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:20:29,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 22:20:29,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:20:29,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 22:20:29,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-19 22:20:29,372 INFO L87 Difference]: Start difference. First operand 132 states and 158 transitions. Second operand has 8 states, 8 states have (on average 4.5) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (14), 5 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2022-07-19 22:20:29,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:20:29,862 INFO L93 Difference]: Finished difference Result 203 states and 248 transitions. [2022-07-19 22:20:29,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-19 22:20:29,862 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (14), 5 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 77 [2022-07-19 22:20:29,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:20:29,864 INFO L225 Difference]: With dead ends: 203 [2022-07-19 22:20:29,864 INFO L226 Difference]: Without dead ends: 162 [2022-07-19 22:20:29,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-07-19 22:20:29,865 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 131 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-19 22:20:29,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 385 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-19 22:20:29,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2022-07-19 22:20:29,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 127. [2022-07-19 22:20:29,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 77 states have (on average 1.1168831168831168) internal successors, (86), 78 states have internal predecessors, (86), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-07-19 22:20:29,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 151 transitions. [2022-07-19 22:20:29,874 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 151 transitions. Word has length 77 [2022-07-19 22:20:29,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:20:29,874 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 151 transitions. [2022-07-19 22:20:29,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (14), 5 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2022-07-19 22:20:29,888 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 151 transitions. [2022-07-19 22:20:29,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-07-19 22:20:29,891 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:20:29,891 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:20:29,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 22:20:29,891 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:20:29,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:20:29,892 INFO L85 PathProgramCache]: Analyzing trace with hash 845366680, now seen corresponding path program 1 times [2022-07-19 22:20:29,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:20:29,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558584683] [2022-07-19 22:20:29,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:20:29,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:20:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:30,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 22:20:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:30,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 22:20:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:30,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 22:20:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:30,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:20:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:30,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 22:20:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:30,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 22:20:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:30,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 22:20:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:30,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 22:20:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:30,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-19 22:20:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:30,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-19 22:20:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:30,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:20:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:30,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-19 22:20:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:30,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:20:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:30,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:20:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:30,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 22:20:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:30,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-19 22:20:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:30,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 22:20:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:30,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:20:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:30,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-19 22:20:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:30,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-19 22:20:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:30,219 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-19 22:20:30,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:20:30,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558584683] [2022-07-19 22:20:30,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558584683] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:20:30,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:20:30,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-19 22:20:30,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056849430] [2022-07-19 22:20:30,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:20:30,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-19 22:20:30,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:20:30,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-19 22:20:30,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-07-19 22:20:30,221 INFO L87 Difference]: Start difference. First operand 127 states and 151 transitions. Second operand has 10 states, 10 states have (on average 5.7) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-19 22:20:30,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:20:30,972 INFO L93 Difference]: Finished difference Result 206 states and 248 transitions. [2022-07-19 22:20:30,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-19 22:20:30,972 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 121 [2022-07-19 22:20:30,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:20:30,974 INFO L225 Difference]: With dead ends: 206 [2022-07-19 22:20:30,974 INFO L226 Difference]: Without dead ends: 152 [2022-07-19 22:20:30,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2022-07-19 22:20:30,975 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 83 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 22:20:30,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 474 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 22:20:30,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2022-07-19 22:20:30,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 132. [2022-07-19 22:20:30,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 81 states have (on average 1.1111111111111112) internal successors, (90), 82 states have internal predecessors, (90), 33 states have call successors, (33), 16 states have call predecessors, (33), 17 states have return successors, (33), 33 states have call predecessors, (33), 32 states have call successors, (33) [2022-07-19 22:20:30,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 156 transitions. [2022-07-19 22:20:30,984 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 156 transitions. Word has length 121 [2022-07-19 22:20:30,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:20:30,985 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 156 transitions. [2022-07-19 22:20:30,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-19 22:20:30,985 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 156 transitions. [2022-07-19 22:20:30,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-19 22:20:30,987 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:20:30,987 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:20:30,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 22:20:30,988 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:20:30,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:20:30,988 INFO L85 PathProgramCache]: Analyzing trace with hash 606085033, now seen corresponding path program 1 times [2022-07-19 22:20:30,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:20:30,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753083715] [2022-07-19 22:20:30,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:20:30,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:20:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:31,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 22:20:31,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:31,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 22:20:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:31,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 22:20:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:31,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:20:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:31,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 22:20:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:31,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 22:20:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:31,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 22:20:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:31,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 22:20:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:31,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-19 22:20:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:31,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-19 22:20:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:31,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:20:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:31,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-19 22:20:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:31,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:20:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:31,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:20:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:31,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 22:20:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:31,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-19 22:20:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:31,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 22:20:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:31,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:20:31,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:31,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 22:20:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:31,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-19 22:20:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:31,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-19 22:20:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:31,300 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-19 22:20:31,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:20:31,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753083715] [2022-07-19 22:20:31,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753083715] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:20:31,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:20:31,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-19 22:20:31,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985756446] [2022-07-19 22:20:31,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:20:31,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-19 22:20:31,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:20:31,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-19 22:20:31,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-19 22:20:31,301 INFO L87 Difference]: Start difference. First operand 132 states and 156 transitions. Second operand has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (23), 7 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-19 22:20:32,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:20:32,077 INFO L93 Difference]: Finished difference Result 212 states and 256 transitions. [2022-07-19 22:20:32,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-19 22:20:32,078 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (23), 7 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) Word has length 127 [2022-07-19 22:20:32,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:20:32,079 INFO L225 Difference]: With dead ends: 212 [2022-07-19 22:20:32,080 INFO L226 Difference]: Without dead ends: 144 [2022-07-19 22:20:32,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2022-07-19 22:20:32,081 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 109 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 22:20:32,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 463 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 694 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 22:20:32,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2022-07-19 22:20:32,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 125. [2022-07-19 22:20:32,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 76 states have (on average 1.0921052631578947) internal successors, (83), 77 states have internal predecessors, (83), 32 states have call successors, (32), 16 states have call predecessors, (32), 16 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-07-19 22:20:32,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 146 transitions. [2022-07-19 22:20:32,089 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 146 transitions. Word has length 127 [2022-07-19 22:20:32,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:20:32,090 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 146 transitions. [2022-07-19 22:20:32,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (23), 7 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-19 22:20:32,090 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 146 transitions. [2022-07-19 22:20:32,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-07-19 22:20:32,091 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:20:32,091 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:20:32,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 22:20:32,092 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:20:32,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:20:32,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1368893272, now seen corresponding path program 1 times [2022-07-19 22:20:32,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:20:32,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008678037] [2022-07-19 22:20:32,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:20:32,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:20:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:32,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 22:20:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:32,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 22:20:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:32,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 22:20:32,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:32,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:20:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:32,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 22:20:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:32,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 22:20:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:32,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 22:20:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:32,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 22:20:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:32,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-19 22:20:32,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:32,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-19 22:20:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:32,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:20:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:32,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-19 22:20:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:32,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:20:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:32,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:20:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:32,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 22:20:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:32,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-19 22:20:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:32,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 22:20:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:32,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:20:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:32,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:20:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:33,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:20:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:33,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-19 22:20:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:33,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-19 22:20:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:33,111 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 21 proven. 24 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-07-19 22:20:33,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:20:33,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008678037] [2022-07-19 22:20:33,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008678037] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 22:20:33,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290524975] [2022-07-19 22:20:33,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:20:33,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 22:20:33,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 22:20:33,130 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 22:20:33,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 22:20:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:20:33,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 2752 conjuncts, 110 conjunts are in the unsatisfiable core [2022-07-19 22:20:33,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 22:20:34,715 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-07-19 22:20:34,819 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 75 [2022-07-19 22:20:34,846 INFO L356 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-07-19 22:20:34,848 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-07-19 22:20:34,883 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-19 22:20:35,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-07-19 22:20:35,049 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_arrayElimCell_1 input size 52 context size 52 output size 52 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1(Elim1Store.java:364) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:427) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:190) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne3(DualJunctionSaa.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne2(DualJunctionSaa.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne1(DualJunctionSaa.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne0(DualJunctionSaa.java:122) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:108) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:93) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:611) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:529) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:333) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:269) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:248) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:409) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:300) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:260) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:152) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-19 22:20:35,052 INFO L158 Benchmark]: Toolchain (without parser) took 11070.82ms. Allocated memory was 115.3MB in the beginning and 316.7MB in the end (delta: 201.3MB). Free memory was 87.6MB in the beginning and 133.3MB in the end (delta: -45.7MB). Peak memory consumption was 154.1MB. Max. memory is 16.1GB. [2022-07-19 22:20:35,053 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 88.1MB. Free memory was 59.7MB in the beginning and 59.7MB in the end (delta: 21.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 22:20:35,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1971.27ms. Allocated memory was 115.3MB in the beginning and 148.9MB in the end (delta: 33.6MB). Free memory was 87.6MB in the beginning and 78.2MB in the end (delta: 9.4MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2022-07-19 22:20:35,053 INFO L158 Benchmark]: Boogie Procedure Inliner took 185.39ms. Allocated memory is still 148.9MB. Free memory was 78.2MB in the beginning and 66.4MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-19 22:20:35,053 INFO L158 Benchmark]: Boogie Preprocessor took 88.38ms. Allocated memory is still 148.9MB. Free memory was 66.4MB in the beginning and 59.3MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-19 22:20:35,053 INFO L158 Benchmark]: RCFGBuilder took 1006.14ms. Allocated memory was 148.9MB in the beginning and 192.9MB in the end (delta: 44.0MB). Free memory was 59.3MB in the beginning and 81.6MB in the end (delta: -22.3MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2022-07-19 22:20:35,053 INFO L158 Benchmark]: TraceAbstraction took 7814.11ms. Allocated memory was 192.9MB in the beginning and 316.7MB in the end (delta: 123.7MB). Free memory was 81.6MB in the beginning and 133.3MB in the end (delta: -51.6MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. [2022-07-19 22:20:35,055 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 88.1MB. Free memory was 59.7MB in the beginning and 59.7MB in the end (delta: 21.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1971.27ms. Allocated memory was 115.3MB in the beginning and 148.9MB in the end (delta: 33.6MB). Free memory was 87.6MB in the beginning and 78.2MB in the end (delta: 9.4MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 185.39ms. Allocated memory is still 148.9MB. Free memory was 78.2MB in the beginning and 66.4MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.38ms. Allocated memory is still 148.9MB. Free memory was 66.4MB in the beginning and 59.3MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1006.14ms. Allocated memory was 148.9MB in the beginning and 192.9MB in the end (delta: 44.0MB). Free memory was 59.3MB in the beginning and 81.6MB in the end (delta: -22.3MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * TraceAbstraction took 7814.11ms. Allocated memory was 192.9MB in the beginning and 316.7MB in the end (delta: 123.7MB). Free memory was 81.6MB in the beginning and 133.3MB in the end (delta: -51.6MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimCell_1 input size 52 context size 52 output size 52 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimCell_1 input size 52 context size 52 output size 52: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1(Elim1Store.java:364) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-07-19 22:20:35,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 364b54724e976c015f9881f66521e5c6d863e13e3a8324ac15c0186b650523fa --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 22:20:37,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 22:20:37,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 22:20:37,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 22:20:37,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 22:20:37,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 22:20:37,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 22:20:37,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 22:20:37,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 22:20:37,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 22:20:37,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 22:20:37,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 22:20:37,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 22:20:37,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 22:20:37,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 22:20:37,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 22:20:37,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 22:20:37,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 22:20:37,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 22:20:37,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 22:20:37,404 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 22:20:37,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 22:20:37,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 22:20:37,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 22:20:37,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 22:20:37,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 22:20:37,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 22:20:37,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 22:20:37,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 22:20:37,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 22:20:37,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 22:20:37,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 22:20:37,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 22:20:37,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 22:20:37,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 22:20:37,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 22:20:37,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 22:20:37,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 22:20:37,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 22:20:37,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 22:20:37,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 22:20:37,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 22:20:37,427 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-19 22:20:37,446 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 22:20:37,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 22:20:37,446 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 22:20:37,446 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 22:20:37,447 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 22:20:37,447 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 22:20:37,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 22:20:37,448 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 22:20:37,448 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 22:20:37,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 22:20:37,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 22:20:37,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 22:20:37,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 22:20:37,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 22:20:37,449 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-19 22:20:37,450 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-19 22:20:37,450 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-19 22:20:37,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 22:20:37,450 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 22:20:37,450 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 22:20:37,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 22:20:37,450 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 22:20:37,451 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 22:20:37,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 22:20:37,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 22:20:37,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 22:20:37,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 22:20:37,451 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-19 22:20:37,451 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-19 22:20:37,452 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 22:20:37,452 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 22:20:37,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 22:20:37,452 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-19 22:20:37,452 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 364b54724e976c015f9881f66521e5c6d863e13e3a8324ac15c0186b650523fa [2022-07-19 22:20:37,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 22:20:37,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 22:20:37,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 22:20:37,726 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 22:20:37,726 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 22:20:37,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i [2022-07-19 22:20:37,768 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6a77393b/dea77ac0f2ea4c35b5030cc10f258ec6/FLAGa61678667 [2022-07-19 22:20:38,395 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 22:20:38,396 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i [2022-07-19 22:20:38,426 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6a77393b/dea77ac0f2ea4c35b5030cc10f258ec6/FLAGa61678667 [2022-07-19 22:20:38,820 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6a77393b/dea77ac0f2ea4c35b5030cc10f258ec6 [2022-07-19 22:20:38,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 22:20:38,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 22:20:38,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 22:20:38,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 22:20:38,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 22:20:38,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:20:38" (1/1) ... [2022-07-19 22:20:38,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a12dd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:20:38, skipping insertion in model container [2022-07-19 22:20:38,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:20:38" (1/1) ... [2022-07-19 22:20:38,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 22:20:38,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 22:20:39,226 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_array_harness.i[4499,4512] [2022-07-19 22:20:39,233 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_array_harness.i[4559,4572] [2022-07-19 22:20:39,770 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:39,773 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:39,781 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:39,782 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:39,783 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:39,792 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:39,794 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:39,795 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:39,796 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:20:40,007 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-19 22:20:40,008 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-19 22:20:40,009 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-19 22:20:40,010 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-19 22:20:40,013 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-19 22:20:40,015 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-19 22:20:40,016 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-19 22:20:40,017 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-19 22:20:40,018 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-19 22:20:40,020 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-19 22:20:40,141 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-19 22:20:40,160 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.ArithmeticException: BigInteger out of int range at java.base/java.math.BigInteger.intValueExact(BigInteger.java:4784) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:1009) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:968) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:249) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:2978) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2836) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2138) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-19 22:20:40,166 INFO L158 Benchmark]: Toolchain (without parser) took 1338.88ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 26.0MB in the beginning and 29.2MB in the end (delta: -3.2MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2022-07-19 22:20:40,167 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 48.2MB. Free memory was 30.7MB in the beginning and 30.6MB in the end (delta: 36.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 22:20:40,170 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1330.23ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 25.8MB in the beginning and 29.2MB in the end (delta: -3.4MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2022-07-19 22:20:40,171 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 48.2MB. Free memory was 30.7MB in the beginning and 30.6MB in the end (delta: 36.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1330.23ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 25.8MB in the beginning and 29.2MB in the end (delta: -3.4MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: ArithmeticException: BigInteger out of int range de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: ArithmeticException: BigInteger out of int range: java.base/java.math.BigInteger.intValueExact(BigInteger.java:4784) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ArithmeticException: BigInteger out of int range