./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 35987657 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-?-3598765 [2022-07-21 09:52:41,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 09:52:41,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 09:52:41,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 09:52:41,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 09:52:41,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 09:52:41,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 09:52:41,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 09:52:41,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 09:52:41,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 09:52:41,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 09:52:41,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 09:52:41,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 09:52:41,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 09:52:41,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 09:52:41,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 09:52:41,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 09:52:41,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 09:52:41,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 09:52:41,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 09:52:41,550 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 09:52:41,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 09:52:41,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 09:52:41,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 09:52:41,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 09:52:41,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 09:52:41,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 09:52:41,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 09:52:41,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 09:52:41,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 09:52:41,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 09:52:41,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 09:52:41,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 09:52:41,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 09:52:41,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 09:52:41,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 09:52:41,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 09:52:41,570 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 09:52:41,570 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 09:52:41,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 09:52:41,571 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 09:52:41,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 09:52:41,577 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 09:52:41,612 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 09:52:41,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 09:52:41,613 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 09:52:41,613 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 09:52:41,614 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 09:52:41,614 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 09:52:41,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 09:52:41,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 09:52:41,615 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 09:52:41,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 09:52:41,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 09:52:41,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 09:52:41,616 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 09:52:41,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 09:52:41,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 09:52:41,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 09:52:41,617 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 09:52:41,617 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 09:52:41,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 09:52:41,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 09:52:41,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 09:52:41,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 09:52:41,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 09:52:41,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 09:52:41,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 09:52:41,619 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 09:52:41,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 09:52:41,619 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 09:52:41,619 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 09:52:41,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 09:52:41,620 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 364b54724e976c015f9881f66521e5c6d863e13e3a8324ac15c0186b650523fa [2022-07-21 09:52:41,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 09:52:41,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 09:52:41,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 09:52:41,935 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 09:52:41,935 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 09:52:41,936 INFO L432 ainManager$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 [2022-07-21 09:52:41,988 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e25020d9/b783941e5fb94889951d1e4811a8e3f3/FLAGce1ec2f90 [2022-07-21 09:52:42,641 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 09:52:42,641 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i [2022-07-21 09:52:42,682 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e25020d9/b783941e5fb94889951d1e4811a8e3f3/FLAGce1ec2f90 [2022-07-21 09:52:42,968 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e25020d9/b783941e5fb94889951d1e4811a8e3f3 [2022-07-21 09:52:42,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 09:52:42,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 09:52:42,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 09:52:42,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 09:52:42,977 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 09:52:42,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:52:42" (1/1) ... [2022-07-21 09:52:42,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@338892f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:52:42, skipping insertion in model container [2022-07-21 09:52:42,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:52:42" (1/1) ... [2022-07-21 09:52:42,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 09:52:43,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 09:52:43,296 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] [2022-07-21 09:52:43,302 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] [2022-07-21 09:52:43,896 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:43,898 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:43,900 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:43,901 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:43,902 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:43,912 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:43,912 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:43,914 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:43,914 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:44,140 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-21 09:52:44,141 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-21 09:52:44,142 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-21 09:52:44,143 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-21 09:52:44,144 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-21 09:52:44,145 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-21 09:52:44,145 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-21 09:52:44,146 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-21 09:52:44,146 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-21 09:52:44,147 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-21 09:52:44,254 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-21 09:52:44,348 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:44,348 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:44,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 09:52:44,445 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 09:52:44,466 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] [2022-07-21 09:52:44,468 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] [2022-07-21 09:52:44,526 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:44,527 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:44,527 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:44,528 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:44,528 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:44,539 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:44,540 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:44,540 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:44,541 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:44,575 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-21 09:52:44,577 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-21 09:52:44,577 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-21 09:52:44,578 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-21 09:52:44,578 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-21 09:52:44,579 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-21 09:52:44,579 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-21 09:52:44,579 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-21 09:52:44,580 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-21 09:52:44,580 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-21 09:52:44,596 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-21 09:52:44,659 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:44,660 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:52:44,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 09:52:44,922 INFO L208 MainTranslator]: Completed translation [2022-07-21 09:52:44,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:52:44 WrapperNode [2022-07-21 09:52:44,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 09:52:44,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 09:52:44,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 09:52:44,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 09:52:44,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:52:44" (1/1) ... [2022-07-21 09:52:45,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:52:44" (1/1) ... [2022-07-21 09:52:45,122 INFO L137 Inliner]: procedures = 690, calls = 2737, calls flagged for inlining = 58, calls inlined = 6, statements flattened = 793 [2022-07-21 09:52:45,122 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 09:52:45,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 09:52:45,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 09:52:45,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 09:52:45,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:52:44" (1/1) ... [2022-07-21 09:52:45,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:52:44" (1/1) ... [2022-07-21 09:52:45,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:52:44" (1/1) ... [2022-07-21 09:52:45,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:52:44" (1/1) ... [2022-07-21 09:52:45,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:52:44" (1/1) ... [2022-07-21 09:52:45,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:52:44" (1/1) ... [2022-07-21 09:52:45,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:52:44" (1/1) ... [2022-07-21 09:52:45,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 09:52:45,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 09:52:45,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 09:52:45,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 09:52:45,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:52:44" (1/1) ... [2022-07-21 09:52:45,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 09:52:45,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:52:45,252 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) [2022-07-21 09:52:45,278 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 [2022-07-21 09:52:45,293 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-07-21 09:52:45,293 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-07-21 09:52:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 09:52:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-07-21 09:52:45,294 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-07-21 09:52:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2022-07-21 09:52:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-07-21 09:52:45,295 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-07-21 09:52:45,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 09:52:45,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 09:52:45,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 09:52:45,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 09:52:45,296 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 09:52:45,297 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-07-21 09:52:45,297 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-07-21 09:52:45,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-07-21 09:52:45,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-07-21 09:52:45,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 09:52:45,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 09:52:45,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 09:52:45,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 09:52:45,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 09:52:45,298 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-07-21 09:52:45,298 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-07-21 09:52:45,298 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2022-07-21 09:52:45,299 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2022-07-21 09:52:45,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 09:52:45,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 09:52:45,300 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-07-21 09:52:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-07-21 09:52:45,300 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 09:52:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 09:52:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-07-21 09:52:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-07-21 09:52:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 09:52:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-07-21 09:52:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-07-21 09:52:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 09:52:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2022-07-21 09:52:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2022-07-21 09:52:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-07-21 09:52:45,302 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-07-21 09:52:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-07-21 09:52:45,302 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-07-21 09:52:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-07-21 09:52:45,303 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-07-21 09:52:45,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 09:52:45,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real [2022-07-21 09:52:45,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 09:52:45,622 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 09:52:45,623 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 09:52:45,780 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !true; [2022-07-21 09:52:46,652 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 09:52:46,664 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 09:52:46,665 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-21 09:52:46,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:52:46 BoogieIcfgContainer [2022-07-21 09:52:46,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 09:52:46,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 09:52:46,669 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 09:52:46,672 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 09:52:46,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 09:52:42" (1/3) ... [2022-07-21 09:52:46,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@663dc361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 09:52:46, skipping insertion in model container [2022-07-21 09:52:46,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:52:44" (2/3) ... [2022-07-21 09:52:46,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@663dc361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 09:52:46, skipping insertion in model container [2022-07-21 09:52:46,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:52:46" (3/3) ... [2022-07-21 09:52:46,675 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_array_harness.i [2022-07-21 09:52:46,687 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 09:52:46,687 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 09:52:46,748 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 09:52:46,757 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@58049eb5, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@78cacf35 [2022-07-21 09:52:46,757 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 09:52:46,761 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) [2022-07-21 09:52:46,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-07-21 09:52:46,773 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:52:46,774 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] [2022-07-21 09:52:46,774 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:52:46,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:52:46,781 INFO L85 PathProgramCache]: Analyzing trace with hash -2057633121, now seen corresponding path program 1 times [2022-07-21 09:52:46,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:52:46,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565961288] [2022-07-21 09:52:46,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:52:46,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:52:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:47,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:52:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:47,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 09:52:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:47,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 09:52:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:47,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:47,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 09:52:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:47,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 09:52:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:47,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-21 09:52:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:47,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 09:52:47,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:47,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:47,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 09:52:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:47,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 09:52:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:47,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:47,468 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-07-21 09:52:47,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:52:47,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565961288] [2022-07-21 09:52:47,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565961288] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:52:47,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:52:47,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 09:52:47,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096193031] [2022-07-21 09:52:47,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:52:47,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 09:52:47,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:52:47,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 09:52:47,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-21 09:52:47,506 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) [2022-07-21 09:52:47,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:52:47,880 INFO L93 Difference]: Finished difference Result 277 states and 358 transitions. [2022-07-21 09:52:47,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 09:52:47,882 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 [2022-07-21 09:52:47,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:52:47,904 INFO L225 Difference]: With dead ends: 277 [2022-07-21 09:52:47,904 INFO L226 Difference]: Without dead ends: 144 [2022-07-21 09:52:47,907 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 [2022-07-21 09:52:47,910 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 57 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 09:52:47,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 214 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 09:52:47,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2022-07-21 09:52:47,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 127. [2022-07-21 09:52:47,968 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) [2022-07-21 09:52:47,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 153 transitions. [2022-07-21 09:52:47,973 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 153 transitions. Word has length 71 [2022-07-21 09:52:47,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:52:47,973 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 153 transitions. [2022-07-21 09:52:47,973 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) [2022-07-21 09:52:47,974 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 153 transitions. [2022-07-21 09:52:47,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-07-21 09:52:47,976 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:52:47,976 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] [2022-07-21 09:52:47,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 09:52:47,976 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:52:47,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:52:47,977 INFO L85 PathProgramCache]: Analyzing trace with hash 866247645, now seen corresponding path program 1 times [2022-07-21 09:52:47,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:52:47,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092064635] [2022-07-21 09:52:47,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:52:47,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:52:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:48,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:52:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:48,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 09:52:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:48,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 09:52:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:48,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:48,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 09:52:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:48,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 09:52:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:48,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-21 09:52:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:48,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 09:52:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:48,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:48,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 09:52:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:48,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 09:52:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:48,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:48,408 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-07-21 09:52:48,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:52:48,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092064635] [2022-07-21 09:52:48,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092064635] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:52:48,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:52:48,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 09:52:48,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498218476] [2022-07-21 09:52:48,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:52:48,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 09:52:48,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:52:48,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 09:52:48,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-21 09:52:48,412 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) [2022-07-21 09:52:49,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:52:49,050 INFO L93 Difference]: Finished difference Result 188 states and 225 transitions. [2022-07-21 09:52:49,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 09:52:49,050 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 [2022-07-21 09:52:49,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:52:49,052 INFO L225 Difference]: With dead ends: 188 [2022-07-21 09:52:49,052 INFO L226 Difference]: Without dead ends: 149 [2022-07-21 09:52:49,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-21 09:52:49,054 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 59 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 09:52:49,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 368 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 09:52:49,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2022-07-21 09:52:49,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 132. [2022-07-21 09:52:49,066 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) [2022-07-21 09:52:49,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 158 transitions. [2022-07-21 09:52:49,067 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 158 transitions. Word has length 71 [2022-07-21 09:52:49,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:52:49,068 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 158 transitions. [2022-07-21 09:52:49,068 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) [2022-07-21 09:52:49,068 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 158 transitions. [2022-07-21 09:52:49,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-07-21 09:52:49,069 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:52:49,069 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] [2022-07-21 09:52:49,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 09:52:49,070 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:52:49,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:52:49,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1202353843, now seen corresponding path program 1 times [2022-07-21 09:52:49,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:52:49,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040099891] [2022-07-21 09:52:49,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:52:49,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:52:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:49,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:52:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:49,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 09:52:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:49,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 09:52:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:49,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:49,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 09:52:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:49,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 09:52:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:49,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-21 09:52:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:49,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 09:52:49,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:49,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:49,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 09:52:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:49,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 09:52:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:49,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:49,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 09:52:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:49,423 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-07-21 09:52:49,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:52:49,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040099891] [2022-07-21 09:52:49,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040099891] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:52:49,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:52:49,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 09:52:49,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76125293] [2022-07-21 09:52:49,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:52:49,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 09:52:49,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:52:49,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 09:52:49,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-21 09:52:49,427 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) [2022-07-21 09:52:50,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:52:50,107 INFO L93 Difference]: Finished difference Result 203 states and 248 transitions. [2022-07-21 09:52:50,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 09:52:50,108 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 [2022-07-21 09:52:50,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:52:50,109 INFO L225 Difference]: With dead ends: 203 [2022-07-21 09:52:50,109 INFO L226 Difference]: Without dead ends: 162 [2022-07-21 09:52:50,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-07-21 09:52:50,111 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 131 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 09:52:50,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 385 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 09:52:50,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2022-07-21 09:52:50,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 127. [2022-07-21 09:52:50,122 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) [2022-07-21 09:52:50,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 151 transitions. [2022-07-21 09:52:50,123 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 151 transitions. Word has length 77 [2022-07-21 09:52:50,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:52:50,124 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 151 transitions. [2022-07-21 09:52:50,124 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) [2022-07-21 09:52:50,124 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 151 transitions. [2022-07-21 09:52:50,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-07-21 09:52:50,126 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:52:50,126 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] [2022-07-21 09:52:50,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 09:52:50,126 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:52:50,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:52:50,127 INFO L85 PathProgramCache]: Analyzing trace with hash 845366680, now seen corresponding path program 1 times [2022-07-21 09:52:50,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:52:50,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075646357] [2022-07-21 09:52:50,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:52:50,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:52:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:50,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:52:50,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:50,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 09:52:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:50,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 09:52:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:50,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:50,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 09:52:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:50,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 09:52:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:50,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-21 09:52:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:50,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 09:52:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:50,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-21 09:52:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:50,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 09:52:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:50,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:50,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:50,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 09:52:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:50,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:50,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:50,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 09:52:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:50,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 09:52:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:50,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 09:52:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:50,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:50,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 09:52:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:50,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 09:52:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:50,578 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-21 09:52:50,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:52:50,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075646357] [2022-07-21 09:52:50,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075646357] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:52:50,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:52:50,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-21 09:52:50,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930374742] [2022-07-21 09:52:50,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:52:50,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 09:52:50,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:52:50,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 09:52:50,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-07-21 09:52:50,581 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) [2022-07-21 09:52:51,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:52:51,538 INFO L93 Difference]: Finished difference Result 206 states and 248 transitions. [2022-07-21 09:52:51,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-21 09:52:51,539 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 [2022-07-21 09:52:51,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:52:51,542 INFO L225 Difference]: With dead ends: 206 [2022-07-21 09:52:51,542 INFO L226 Difference]: Without dead ends: 152 [2022-07-21 09:52:51,543 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 [2022-07-21 09:52:51,544 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 83 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-07-21 09:52:51,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 474 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-21 09:52:51,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2022-07-21 09:52:51,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 132. [2022-07-21 09:52:51,555 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) [2022-07-21 09:52:51,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 156 transitions. [2022-07-21 09:52:51,556 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 156 transitions. Word has length 121 [2022-07-21 09:52:51,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:52:51,557 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 156 transitions. [2022-07-21 09:52:51,557 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) [2022-07-21 09:52:51,557 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 156 transitions. [2022-07-21 09:52:51,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-21 09:52:51,558 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:52:51,559 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] [2022-07-21 09:52:51,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 09:52:51,559 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:52:51,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:52:51,560 INFO L85 PathProgramCache]: Analyzing trace with hash 606085033, now seen corresponding path program 1 times [2022-07-21 09:52:51,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:52:51,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320554126] [2022-07-21 09:52:51,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:52:51,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:52:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:51,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:52:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:51,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 09:52:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:51,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 09:52:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:51,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:51,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 09:52:51,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:51,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 09:52:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:51,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-21 09:52:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:51,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 09:52:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:51,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-21 09:52:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:51,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 09:52:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:51,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:51,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 09:52:51,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:51,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:51,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:51,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 09:52:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:51,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 09:52:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:51,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 09:52:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:51,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:51,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-21 09:52:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:51,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 09:52:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:51,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 09:52:51,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:51,958 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-21 09:52:51,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:52:51,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320554126] [2022-07-21 09:52:51,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320554126] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:52:51,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:52:51,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-21 09:52:51,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680524702] [2022-07-21 09:52:51,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:52:51,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 09:52:51,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:52:51,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 09:52:51,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-21 09:52:51,966 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) [2022-07-21 09:52:52,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:52:52,966 INFO L93 Difference]: Finished difference Result 212 states and 256 transitions. [2022-07-21 09:52:52,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-21 09:52:52,966 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 [2022-07-21 09:52:52,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:52:52,968 INFO L225 Difference]: With dead ends: 212 [2022-07-21 09:52:52,968 INFO L226 Difference]: Without dead ends: 144 [2022-07-21 09:52:52,969 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 [2022-07-21 09:52:52,970 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 109 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-07-21 09:52:52,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 463 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 694 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-21 09:52:52,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2022-07-21 09:52:52,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 125. [2022-07-21 09:52:52,978 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) [2022-07-21 09:52:52,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 146 transitions. [2022-07-21 09:52:52,979 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 146 transitions. Word has length 127 [2022-07-21 09:52:52,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:52:52,980 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 146 transitions. [2022-07-21 09:52:52,980 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) [2022-07-21 09:52:52,980 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 146 transitions. [2022-07-21 09:52:52,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-07-21 09:52:52,982 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:52:52,982 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] [2022-07-21 09:52:52,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 09:52:52,983 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:52:52,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:52:52,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1368893272, now seen corresponding path program 1 times [2022-07-21 09:52:52,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:52:52,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746846888] [2022-07-21 09:52:52,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:52:52,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:52:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:53,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:52:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:53,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 09:52:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:53,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 09:52:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:53,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:53,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 09:52:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:53,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 09:52:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:53,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-21 09:52:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:53,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 09:52:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:53,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-21 09:52:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:53,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 09:52:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:53,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:53,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 09:52:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:53,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:53,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:53,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 09:52:53,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:53,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 09:52:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:53,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 09:52:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:53,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:53,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 09:52:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:53,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:52:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:53,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 09:52:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:53,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-21 09:52:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:54,004 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 21 proven. 24 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-07-21 09:52:54,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:52:54,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746846888] [2022-07-21 09:52:54,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746846888] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 09:52:54,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621653262] [2022-07-21 09:52:54,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:52:54,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:52:54,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:52:54,008 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) [2022-07-21 09:52:54,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 09:52:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:52:54,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 2752 conjuncts, 110 conjunts are in the unsatisfiable core [2022-07-21 09:52:54,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:52:55,792 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 [2022-07-21 09:52:55,933 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 [2022-07-21 09:52:55,961 INFO L356 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-07-21 09:52:55,963 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-07-21 09:52:55,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-21 09:52:56,183 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 [2022-07-21 09:52:56,184 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:764) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:725) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:643) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:335) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:176) 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:265) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:251) 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) [2022-07-21 09:52:56,188 INFO L158 Benchmark]: Toolchain (without parser) took 13215.67ms. Allocated memory was 56.6MB in the beginning and 270.5MB in the end (delta: 213.9MB). Free memory was 25.9MB in the beginning and 221.8MB in the end (delta: -195.9MB). Peak memory consumption was 143.6MB. Max. memory is 16.1GB. [2022-07-21 09:52:56,188 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 09:52:56,188 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1954.26ms. Allocated memory was 56.6MB in the beginning and 113.2MB in the end (delta: 56.6MB). Free memory was 25.7MB in the beginning and 62.4MB in the end (delta: -36.7MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2022-07-21 09:52:56,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 193.04ms. Allocated memory is still 113.2MB. Free memory was 62.4MB in the beginning and 51.2MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-21 09:52:56,189 INFO L158 Benchmark]: Boogie Preprocessor took 100.15ms. Allocated memory is still 113.2MB. Free memory was 51.2MB in the beginning and 44.2MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-21 09:52:56,189 INFO L158 Benchmark]: RCFGBuilder took 1443.68ms. Allocated memory was 113.2MB in the beginning and 142.6MB in the end (delta: 29.4MB). Free memory was 44.2MB in the beginning and 72.4MB in the end (delta: -28.2MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2022-07-21 09:52:56,189 INFO L158 Benchmark]: TraceAbstraction took 9517.73ms. Allocated memory was 142.6MB in the beginning and 270.5MB in the end (delta: 127.9MB). Free memory was 71.4MB in the beginning and 221.8MB in the end (delta: -150.4MB). Peak memory consumption was 103.1MB. Max. memory is 16.1GB. [2022-07-21 09:52:56,191 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1954.26ms. Allocated memory was 56.6MB in the beginning and 113.2MB in the end (delta: 56.6MB). Free memory was 25.7MB in the beginning and 62.4MB in the end (delta: -36.7MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 193.04ms. Allocated memory is still 113.2MB. Free memory was 62.4MB in the beginning and 51.2MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.15ms. Allocated memory is still 113.2MB. Free memory was 51.2MB in the beginning and 44.2MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1443.68ms. Allocated memory was 113.2MB in the beginning and 142.6MB in the end (delta: 29.4MB). Free memory was 44.2MB in the beginning and 72.4MB in the end (delta: -28.2MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. * TraceAbstraction took 9517.73ms. Allocated memory was 142.6MB in the beginning and 270.5MB in the end (delta: 127.9MB). Free memory was 71.4MB in the beginning and 221.8MB in the end (delta: -150.4MB). Peak memory consumption was 103.1MB. 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. [2022-07-21 09:52:56,206 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-?-3598765 [2022-07-21 09:52:57,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 09:52:57,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 09:52:58,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 09:52:58,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 09:52:58,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 09:52:58,033 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 09:52:58,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 09:52:58,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 09:52:58,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 09:52:58,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 09:52:58,043 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 09:52:58,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 09:52:58,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 09:52:58,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 09:52:58,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 09:52:58,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 09:52:58,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 09:52:58,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 09:52:58,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 09:52:58,062 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 09:52:58,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 09:52:58,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 09:52:58,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 09:52:58,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 09:52:58,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 09:52:58,085 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 09:52:58,085 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 09:52:58,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 09:52:58,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 09:52:58,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 09:52:58,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 09:52:58,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 09:52:58,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 09:52:58,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 09:52:58,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 09:52:58,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 09:52:58,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 09:52:58,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 09:52:58,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 09:52:58,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 09:52:58,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 09:52:58,099 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 09:52:58,130 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 09:52:58,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 09:52:58,130 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 09:52:58,130 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 09:52:58,131 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 09:52:58,131 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 09:52:58,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 09:52:58,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 09:52:58,132 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 09:52:58,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 09:52:58,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 09:52:58,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 09:52:58,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 09:52:58,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 09:52:58,134 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 09:52:58,134 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 09:52:58,134 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 09:52:58,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 09:52:58,135 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 09:52:58,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 09:52:58,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 09:52:58,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 09:52:58,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 09:52:58,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 09:52:58,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 09:52:58,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 09:52:58,136 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 09:52:58,136 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 09:52:58,136 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 09:52:58,137 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 09:52:58,137 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 09:52:58,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 09:52:58,137 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 09:52:58,137 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 364b54724e976c015f9881f66521e5c6d863e13e3a8324ac15c0186b650523fa [2022-07-21 09:52:58,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 09:52:58,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 09:52:58,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 09:52:58,479 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 09:52:58,480 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 09:52:58,481 INFO L432 ainManager$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 [2022-07-21 09:52:58,532 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/586784009/24f7e2f54faa4f849645f97b65131cb6/FLAGf01d97d4b [2022-07-21 09:52:59,317 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 09:52:59,318 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i [2022-07-21 09:52:59,357 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/586784009/24f7e2f54faa4f849645f97b65131cb6/FLAGf01d97d4b [2022-07-21 09:52:59,514 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/586784009/24f7e2f54faa4f849645f97b65131cb6 [2022-07-21 09:52:59,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 09:52:59,518 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 09:52:59,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 09:52:59,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 09:52:59,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 09:52:59,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:52:59" (1/1) ... [2022-07-21 09:52:59,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d4d08fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:52:59, skipping insertion in model container [2022-07-21 09:52:59,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:52:59" (1/1) ... [2022-07-21 09:52:59,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 09:52:59,633 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 09:52:59,874 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] [2022-07-21 09:52:59,880 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] [2022-07-21 09:53:00,494 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:53:00,495 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:53:00,496 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:53:00,497 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:53:00,498 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:53:00,510 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:53:00,511 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:53:00,512 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:53:00,513 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:53:00,780 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-21 09:53:00,782 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-21 09:53:00,783 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-21 09:53:00,784 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-21 09:53:00,788 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-21 09:53:00,790 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-21 09:53:00,790 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-21 09:53:00,791 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-21 09:53:00,793 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-21 09:53:00,795 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-21 09:53:00,917 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-21 09:53:00,929 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) [2022-07-21 09:53:00,939 INFO L158 Benchmark]: Toolchain (without parser) took 1419.90ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 37.4MB in the beginning and 51.7MB in the end (delta: -14.3MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2022-07-21 09:53:00,941 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 67.1MB. Free memory was 47.4MB in the beginning and 47.3MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 09:53:00,943 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1411.12ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 37.2MB in the beginning and 51.7MB in the end (delta: -14.5MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2022-07-21 09:53:00,945 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 67.1MB. Free memory was 47.4MB in the beginning and 47.3MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1411.12ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 37.2MB in the beginning and 51.7MB in the end (delta: -14.5MB). Peak memory consumption was 13.9MB. 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