./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/aws-c-common/aws_array_list_front_harness.i --full-output --preprocessor.use.memory.slicer false --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version abd6749d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 ../../../trunk/examples/svcomp/aws-c-common/aws_array_list_front_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 --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 fab77e35ee9737971bef4cfaab645b79b32b241c77e037d17af53d4cd9996d59 --preprocessor.use.memory.slicer false --- Real Ultimate output --- This is Ultimate 0.2.3-?-abd6749-m [2023-11-23 07:59:13,617 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 07:59:13,710 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 07:59:13,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 07:59:13,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 07:59:13,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 07:59:13,759 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 07:59:13,759 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 07:59:13,760 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 07:59:13,764 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 07:59:13,765 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 07:59:13,765 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 07:59:13,766 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 07:59:13,768 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 07:59:13,768 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 07:59:13,768 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 07:59:13,769 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 07:59:13,769 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 07:59:13,769 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 07:59:13,769 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 07:59:13,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 07:59:13,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 07:59:13,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 07:59:13,772 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 07:59:13,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 07:59:13,773 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 07:59:13,773 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 07:59:13,774 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 07:59:13,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 07:59:13,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 07:59:13,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 07:59:13,776 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 07:59:13,776 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 07:59:13,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 07:59:13,776 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 07:59:13,777 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 07:59:13,777 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 07:59:13,777 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 07:59:13,777 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 07:59:13,778 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fab77e35ee9737971bef4cfaab645b79b32b241c77e037d17af53d4cd9996d59 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> false [2023-11-23 07:59:14,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 07:59:14,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 07:59:14,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 07:59:14,107 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 07:59:14,108 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 07:59:14,109 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_array_list_front_harness.i [2023-11-23 07:59:15,444 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 07:59:15,947 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 07:59:15,948 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_front_harness.i [2023-11-23 07:59:15,983 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b87d59b1a/f246823ee9444dfaae6223f4aa2c8908/FLAG510187f61 [2023-11-23 07:59:15,998 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b87d59b1a/f246823ee9444dfaae6223f4aa2c8908 [2023-11-23 07:59:16,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 07:59:16,003 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 07:59:16,006 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 07:59:16,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 07:59:16,011 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 07:59:16,012 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:59:16" (1/1) ... [2023-11-23 07:59:16,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71010098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:16, skipping insertion in model container [2023-11-23 07:59:16,013 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:59:16" (1/1) ... [2023-11-23 07:59:16,119 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 07:59:16,411 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_front_harness.i[4494,4507] [2023-11-23 07:59:16,422 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_front_harness.i[4554,4567] [2023-11-23 07:59:17,316 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:59:17,316 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:59:17,317 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:59:17,317 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:59:17,318 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:59:17,327 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:59:17,328 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:59:17,330 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:59:17,330 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:59:17,332 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:59:17,332 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:59:17,333 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:59:17,333 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:59:17,665 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 07:59:17,667 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 07:59:17,668 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 07:59:17,671 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 07:59:17,676 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 07:59:17,677 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 07:59:17,677 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 07:59:17,678 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 07:59:17,683 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 07:59:17,683 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 07:59:17,862 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:59:17,881 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:59:17,978 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 07:59:18,024 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 07:59:18,054 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_front_harness.i[4494,4507] [2023-11-23 07:59:18,055 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_front_harness.i[4554,4567] [2023-11-23 07:59:18,121 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:59:18,125 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:59:18,125 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:59:18,126 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:59:18,127 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:59:18,132 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:59:18,133 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:59:18,134 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:59:18,135 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:59:18,138 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:59:18,139 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:59:18,139 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:59:18,140 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:59:18,169 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 07:59:18,171 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 07:59:18,172 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 07:59:18,173 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 07:59:18,174 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 07:59:18,176 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 07:59:18,176 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 07:59:18,176 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 07:59:18,177 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 07:59:18,177 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 07:59:18,213 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:59:18,219 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:59:18,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7767-7778] [2023-11-23 07:59:18,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 07:59:18,465 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:59:18,465 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:59:18,465 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:59:18,465 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:59:18,466 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:59:18,466 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:59:18,467 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:59:18,467 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:59:18,467 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:59:18,467 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:59:18,467 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:59:18,468 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:59:18,468 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:59:18,468 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:59:18,468 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:59:18,469 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:59:18,476 INFO L206 MainTranslator]: Completed translation [2023-11-23 07:59:18,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:18 WrapperNode [2023-11-23 07:59:18,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 07:59:18,479 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 07:59:18,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 07:59:18,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 07:59:18,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:18" (1/1) ... [2023-11-23 07:59:18,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:18" (1/1) ... [2023-11-23 07:59:18,676 INFO L138 Inliner]: procedures = 690, calls = 1691, calls flagged for inlining = 54, calls inlined = 9, statements flattened = 669 [2023-11-23 07:59:18,677 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 07:59:18,678 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 07:59:18,678 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 07:59:18,678 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 07:59:18,688 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:18" (1/1) ... [2023-11-23 07:59:18,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:18" (1/1) ... [2023-11-23 07:59:18,701 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:18" (1/1) ... [2023-11-23 07:59:18,701 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:18" (1/1) ... [2023-11-23 07:59:18,748 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:18" (1/1) ... [2023-11-23 07:59:18,759 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:18" (1/1) ... [2023-11-23 07:59:18,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:18" (1/1) ... [2023-11-23 07:59:18,782 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:18" (1/1) ... [2023-11-23 07:59:18,801 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 07:59:18,802 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 07:59:18,802 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 07:59:18,802 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 07:59:18,803 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:18" (1/1) ... [2023-11-23 07:59:18,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 07:59:18,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:59:18,842 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) [2023-11-23 07:59:18,880 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 [2023-11-23 07:59:18,914 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 07:59:18,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 07:59:18,915 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2023-11-23 07:59:18,915 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2023-11-23 07:59:18,915 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2023-11-23 07:59:18,915 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2023-11-23 07:59:18,916 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-23 07:59:18,916 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-23 07:59:18,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 07:59:18,917 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-23 07:59:18,917 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-23 07:59:18,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 07:59:18,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 07:59:18,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 07:59:18,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 07:59:18,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 07:59:18,918 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2023-11-23 07:59:18,918 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2023-11-23 07:59:18,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 07:59:18,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 07:59:18,919 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 07:59:18,919 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 07:59:18,919 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2023-11-23 07:59:18,920 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2023-11-23 07:59:18,920 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-23 07:59:18,920 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-23 07:59:18,920 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2023-11-23 07:59:18,920 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2023-11-23 07:59:18,920 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2023-11-23 07:59:18,921 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2023-11-23 07:59:18,921 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 07:59:18,921 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 07:59:18,921 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2023-11-23 07:59:18,921 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2023-11-23 07:59:18,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 07:59:18,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 07:59:18,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 07:59:18,923 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-23 07:59:18,923 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-23 07:59:18,923 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-23 07:59:18,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-23 07:59:18,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 07:59:18,924 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2023-11-23 07:59:18,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2023-11-23 07:59:18,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 07:59:19,228 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 07:59:19,232 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 07:59:19,948 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 07:59:20,058 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 07:59:20,059 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 07:59:20,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:59:20 BoogieIcfgContainer [2023-11-23 07:59:20,060 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 07:59:20,062 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 07:59:20,062 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 07:59:20,065 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 07:59:20,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:59:16" (1/3) ... [2023-11-23 07:59:20,067 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@625aeb89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:59:20, skipping insertion in model container [2023-11-23 07:59:20,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:59:18" (2/3) ... [2023-11-23 07:59:20,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@625aeb89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:59:20, skipping insertion in model container [2023-11-23 07:59:20,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:59:20" (3/3) ... [2023-11-23 07:59:20,070 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_front_harness.i [2023-11-23 07:59:20,121 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 07:59:20,121 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 07:59:20,183 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 07:59:20,189 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=LoopHeads, 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2706fefc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 07:59:20,189 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 07:59:20,194 INFO L276 IsEmpty]: Start isEmpty. Operand has 164 states, 92 states have (on average 1.25) internal successors, (115), 93 states have internal predecessors, (115), 54 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-23 07:59:20,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-23 07:59:20,207 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:59:20,208 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 07:59:20,208 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:59:20,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:59:20,213 INFO L85 PathProgramCache]: Analyzing trace with hash -972351710, now seen corresponding path program 1 times [2023-11-23 07:59:20,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:59:20,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971698471] [2023-11-23 07:59:20,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:59:20,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:59:20,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:20,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:59:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:20,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 07:59:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:20,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 07:59:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:20,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 07:59:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:20,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 07:59:20,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:20,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 07:59:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:20,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 07:59:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:20,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 07:59:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:20,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 07:59:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:21,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:59:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:21,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-23 07:59:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:21,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 07:59:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:21,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-23 07:59:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:21,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 07:59:21,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:21,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-23 07:59:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:21,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-23 07:59:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:21,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 07:59:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:21,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-23 07:59:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:21,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 07:59:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:21,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-23 07:59:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:21,197 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 07:59:21,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:59:21,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971698471] [2023-11-23 07:59:21,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971698471] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:59:21,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 07:59:21,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 07:59:21,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891711183] [2023-11-23 07:59:21,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:59:21,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 07:59:21,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:59:21,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 07:59:21,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-23 07:59:21,245 INFO L87 Difference]: Start difference. First operand has 164 states, 92 states have (on average 1.25) internal successors, (115), 93 states have internal predecessors, (115), 54 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-23 07:59:21,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:59:21,956 INFO L93 Difference]: Finished difference Result 340 states and 509 transitions. [2023-11-23 07:59:21,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 07:59:21,962 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 119 [2023-11-23 07:59:21,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:59:21,974 INFO L225 Difference]: With dead ends: 340 [2023-11-23 07:59:21,975 INFO L226 Difference]: Without dead ends: 175 [2023-11-23 07:59:21,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-23 07:59:21,986 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 139 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 07:59:21,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 209 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 07:59:22,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-11-23 07:59:22,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 158. [2023-11-23 07:59:22,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 88 states have (on average 1.1931818181818181) internal successors, (105), 89 states have internal predecessors, (105), 54 states have call successors, (54), 16 states have call predecessors, (54), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-23 07:59:22,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 211 transitions. [2023-11-23 07:59:22,067 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 211 transitions. Word has length 119 [2023-11-23 07:59:22,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:59:22,068 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 211 transitions. [2023-11-23 07:59:22,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-23 07:59:22,068 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 211 transitions. [2023-11-23 07:59:22,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-23 07:59:22,074 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:59:22,074 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 07:59:22,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 07:59:22,075 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:59:22,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:59:22,075 INFO L85 PathProgramCache]: Analyzing trace with hash 450386146, now seen corresponding path program 1 times [2023-11-23 07:59:22,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:59:22,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265241621] [2023-11-23 07:59:22,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:59:22,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:59:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:22,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:59:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:22,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 07:59:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:22,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 07:59:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:22,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 07:59:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:22,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 07:59:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:22,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 07:59:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:22,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 07:59:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:23,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 07:59:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:23,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 07:59:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:23,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:59:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:23,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-23 07:59:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:23,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 07:59:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:23,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-23 07:59:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:23,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 07:59:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:23,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-23 07:59:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:23,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-23 07:59:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:23,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 07:59:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:23,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-23 07:59:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:23,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 07:59:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:23,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-23 07:59:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:23,208 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 07:59:23,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:59:23,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265241621] [2023-11-23 07:59:23,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265241621] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:59:23,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 07:59:23,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-23 07:59:23,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064760317] [2023-11-23 07:59:23,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:59:23,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 07:59:23,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:59:23,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 07:59:23,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-11-23 07:59:23,216 INFO L87 Difference]: Start difference. First operand 158 states and 211 transitions. Second operand has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 6 states have internal predecessors, (38), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-23 07:59:24,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:59:24,599 INFO L93 Difference]: Finished difference Result 337 states and 475 transitions. [2023-11-23 07:59:24,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 07:59:24,599 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 6 states have internal predecessors, (38), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) Word has length 119 [2023-11-23 07:59:24,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:59:24,602 INFO L225 Difference]: With dead ends: 337 [2023-11-23 07:59:24,603 INFO L226 Difference]: Without dead ends: 232 [2023-11-23 07:59:24,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-11-23 07:59:24,605 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 80 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 867 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 954 SdHoareTripleChecker+Invalid, 945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-23 07:59:24,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 954 Invalid, 945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 867 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-23 07:59:24,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2023-11-23 07:59:24,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 169. [2023-11-23 07:59:24,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 95 states have (on average 1.1894736842105262) internal successors, (113), 96 states have internal predecessors, (113), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (56), 56 states have call predecessors, (56), 55 states have call successors, (56) [2023-11-23 07:59:24,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 226 transitions. [2023-11-23 07:59:24,636 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 226 transitions. Word has length 119 [2023-11-23 07:59:24,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:59:24,638 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 226 transitions. [2023-11-23 07:59:24,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 6 states have internal predecessors, (38), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-23 07:59:24,639 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 226 transitions. [2023-11-23 07:59:24,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-23 07:59:24,642 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:59:24,643 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 07:59:24,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 07:59:24,644 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:59:24,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:59:24,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1326405152, now seen corresponding path program 1 times [2023-11-23 07:59:24,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:59:24,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156600370] [2023-11-23 07:59:24,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:59:24,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:59:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:25,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:59:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:25,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 07:59:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:25,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 07:59:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:25,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 07:59:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:25,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 07:59:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:25,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 07:59:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:25,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 07:59:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:25,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 07:59:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:25,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 07:59:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:25,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:59:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:25,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-23 07:59:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:25,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 07:59:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:25,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-23 07:59:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:25,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 07:59:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:25,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-23 07:59:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:25,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-23 07:59:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:25,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 07:59:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:25,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-23 07:59:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:25,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 07:59:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:25,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-23 07:59:25,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:25,556 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 07:59:25,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:59:25,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156600370] [2023-11-23 07:59:25,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156600370] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:59:25,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 07:59:25,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-23 07:59:25,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663709344] [2023-11-23 07:59:25,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:59:25,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-23 07:59:25,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:59:25,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-23 07:59:25,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-23 07:59:25,559 INFO L87 Difference]: Start difference. First operand 169 states and 226 transitions. Second operand has 11 states, 10 states have (on average 3.8) internal successors, (38), 7 states have internal predecessors, (38), 4 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2023-11-23 07:59:27,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:59:27,260 INFO L93 Difference]: Finished difference Result 331 states and 464 transitions. [2023-11-23 07:59:27,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 07:59:27,261 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.8) internal successors, (38), 7 states have internal predecessors, (38), 4 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) Word has length 119 [2023-11-23 07:59:27,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:59:27,265 INFO L225 Difference]: With dead ends: 331 [2023-11-23 07:59:27,268 INFO L226 Difference]: Without dead ends: 232 [2023-11-23 07:59:27,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2023-11-23 07:59:27,270 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 127 mSDsluCounter, 912 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 1091 SdHoareTripleChecker+Invalid, 1092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-23 07:59:27,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 1091 Invalid, 1092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-23 07:59:27,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2023-11-23 07:59:27,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 175. [2023-11-23 07:59:27,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 98 states have (on average 1.183673469387755) internal successors, (116), 99 states have internal predecessors, (116), 60 states have call successors, (60), 16 states have call predecessors, (60), 16 states have return successors, (59), 59 states have call predecessors, (59), 58 states have call successors, (59) [2023-11-23 07:59:27,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 235 transitions. [2023-11-23 07:59:27,301 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 235 transitions. Word has length 119 [2023-11-23 07:59:27,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:59:27,302 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 235 transitions. [2023-11-23 07:59:27,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.8) internal successors, (38), 7 states have internal predecessors, (38), 4 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2023-11-23 07:59:27,302 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 235 transitions. [2023-11-23 07:59:27,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-23 07:59:27,304 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:59:27,304 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 07:59:27,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 07:59:27,305 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:59:27,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:59:27,305 INFO L85 PathProgramCache]: Analyzing trace with hash 932038366, now seen corresponding path program 1 times [2023-11-23 07:59:27,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:59:27,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453586186] [2023-11-23 07:59:27,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:59:27,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:59:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:27,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:59:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:27,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 07:59:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:27,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 07:59:27,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:27,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 07:59:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:27,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 07:59:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:27,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 07:59:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:27,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 07:59:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:27,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 07:59:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:27,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 07:59:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:27,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:59:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:27,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-23 07:59:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:27,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 07:59:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:27,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-23 07:59:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:27,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 07:59:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:27,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-23 07:59:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:27,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-23 07:59:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:27,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 07:59:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:27,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-23 07:59:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:27,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 07:59:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:27,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-23 07:59:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:27,961 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 29 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2023-11-23 07:59:27,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:59:27,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453586186] [2023-11-23 07:59:27,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453586186] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 07:59:27,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453512448] [2023-11-23 07:59:27,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:59:27,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:59:27,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:59:27,968 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) [2023-11-23 07:59:27,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 07:59:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:28,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 2203 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 07:59:28,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:59:28,500 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2023-11-23 07:59:28,516 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 07:59:28,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453512448] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:59:28,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 07:59:28,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 11 [2023-11-23 07:59:28,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649501987] [2023-11-23 07:59:28,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:59:28,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 07:59:28,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:59:28,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 07:59:28,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-11-23 07:59:28,519 INFO L87 Difference]: Start difference. First operand 175 states and 235 transitions. Second operand has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-23 07:59:28,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:59:28,904 INFO L93 Difference]: Finished difference Result 274 states and 365 transitions. [2023-11-23 07:59:28,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 07:59:28,904 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 119 [2023-11-23 07:59:28,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:59:28,906 INFO L225 Difference]: With dead ends: 274 [2023-11-23 07:59:28,906 INFO L226 Difference]: Without dead ends: 158 [2023-11-23 07:59:28,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-11-23 07:59:28,908 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 2 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 07:59:28,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 684 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 07:59:28,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2023-11-23 07:59:28,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2023-11-23 07:59:28,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 88 states have (on average 1.1704545454545454) internal successors, (103), 89 states have internal predecessors, (103), 54 states have call successors, (54), 16 states have call predecessors, (54), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-23 07:59:28,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 209 transitions. [2023-11-23 07:59:28,920 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 209 transitions. Word has length 119 [2023-11-23 07:59:28,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:59:28,920 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 209 transitions. [2023-11-23 07:59:28,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-23 07:59:28,921 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 209 transitions. [2023-11-23 07:59:28,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-23 07:59:28,922 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:59:28,922 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 07:59:28,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 07:59:29,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:59:29,144 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:59:29,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:59:29,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1675864880, now seen corresponding path program 1 times [2023-11-23 07:59:29,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:59:29,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636568840] [2023-11-23 07:59:29,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:59:29,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:59:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:29,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:59:29,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:29,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 07:59:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:29,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 07:59:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:29,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 07:59:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:29,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 07:59:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:29,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 07:59:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:29,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 07:59:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:29,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 07:59:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:29,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 07:59:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:29,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:59:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:29,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 07:59:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:29,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:59:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:29,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-23 07:59:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:29,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 07:59:29,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:29,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-23 07:59:29,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:29,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-23 07:59:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:29,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-23 07:59:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:29,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 07:59:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:29,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 07:59:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:29,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-23 07:59:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:29,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-23 07:59:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:29,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-23 07:59:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:29,794 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 6 proven. 32 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2023-11-23 07:59:29,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:59:29,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636568840] [2023-11-23 07:59:29,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636568840] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 07:59:29,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122061400] [2023-11-23 07:59:29,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:59:29,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:59:29,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:59:29,801 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 07:59:29,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 07:59:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:30,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 2243 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 07:59:30,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:59:30,268 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2023-11-23 07:59:30,268 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 07:59:30,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122061400] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:59:30,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 07:59:30,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 11 [2023-11-23 07:59:30,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384965247] [2023-11-23 07:59:30,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:59:30,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 07:59:30,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:59:30,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 07:59:30,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-11-23 07:59:30,271 INFO L87 Difference]: Start difference. First operand 158 states and 209 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-23 07:59:30,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:59:30,615 INFO L93 Difference]: Finished difference Result 251 states and 336 transitions. [2023-11-23 07:59:30,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 07:59:30,616 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 129 [2023-11-23 07:59:30,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:59:30,618 INFO L225 Difference]: With dead ends: 251 [2023-11-23 07:59:30,618 INFO L226 Difference]: Without dead ends: 160 [2023-11-23 07:59:30,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-11-23 07:59:30,619 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 2 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 07:59:30,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 858 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 07:59:30,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2023-11-23 07:59:30,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2023-11-23 07:59:30,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 89 states have (on average 1.1685393258426966) internal successors, (104), 91 states have internal predecessors, (104), 54 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (59), 52 states have call predecessors, (59), 52 states have call successors, (59) [2023-11-23 07:59:30,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 217 transitions. [2023-11-23 07:59:30,635 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 217 transitions. Word has length 129 [2023-11-23 07:59:30,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:59:30,635 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 217 transitions. [2023-11-23 07:59:30,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-23 07:59:30,636 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 217 transitions. [2023-11-23 07:59:30,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-23 07:59:30,639 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:59:30,639 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 07:59:30,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 07:59:30,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:59:30,860 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:59:30,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:59:30,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1145840967, now seen corresponding path program 1 times [2023-11-23 07:59:30,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:59:30,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066450606] [2023-11-23 07:59:30,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:59:30,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:59:30,931 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 07:59:30,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [715183154] [2023-11-23 07:59:30,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:59:30,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:59:30,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:59:30,933 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 07:59:30,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 07:59:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:59:31,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 2388 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 07:59:31,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:59:31,479 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2023-11-23 07:59:31,479 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 07:59:31,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:59:31,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066450606] [2023-11-23 07:59:31,480 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 07:59:31,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715183154] [2023-11-23 07:59:31,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715183154] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:59:31,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 07:59:31,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 07:59:31,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021144568] [2023-11-23 07:59:31,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:59:31,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 07:59:31,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:59:31,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 07:59:31,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-23 07:59:31,482 INFO L87 Difference]: Start difference. First operand 160 states and 217 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 6 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2023-11-23 07:59:31,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:59:31,811 INFO L93 Difference]: Finished difference Result 230 states and 307 transitions. [2023-11-23 07:59:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 07:59:31,812 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 6 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) Word has length 142 [2023-11-23 07:59:31,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:59:31,812 INFO L225 Difference]: With dead ends: 230 [2023-11-23 07:59:31,812 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 07:59:31,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-23 07:59:31,813 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 30 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 07:59:31,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 602 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 07:59:31,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 07:59:31,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 07:59:31,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 07:59:31,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 07:59:31,815 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 142 [2023-11-23 07:59:31,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:59:31,815 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 07:59:31,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 6 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2023-11-23 07:59:31,815 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 07:59:31,815 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 07:59:31,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 07:59:31,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-23 07:59:32,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:59:32,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 07:59:32,333 INFO L899 garLoopResultBuilder]: For program point L2779-1(lines 2779 2781) no Hoare annotation was computed. [2023-11-23 07:59:32,334 INFO L895 garLoopResultBuilder]: At program point L2779(lines 2779 2781) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2023-11-23 07:59:32,334 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 2778 2783) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2023-11-23 07:59:32,334 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 2778 2783) no Hoare annotation was computed. [2023-11-23 07:59:32,334 INFO L899 garLoopResultBuilder]: For program point L7011-4(lines 7010 7022) no Hoare annotation was computed. [2023-11-23 07:59:32,334 INFO L899 garLoopResultBuilder]: For program point L7011-2(lines 7011 7021) no Hoare annotation was computed. [2023-11-23 07:59:32,334 INFO L902 garLoopResultBuilder]: At program point L7018(line 7018) the Hoare annotation is: true [2023-11-23 07:59:32,335 INFO L899 garLoopResultBuilder]: For program point L7020-1(line 7020) no Hoare annotation was computed. [2023-11-23 07:59:32,335 INFO L902 garLoopResultBuilder]: At program point L7020(line 7020) the Hoare annotation is: true [2023-11-23 07:59:32,335 INFO L899 garLoopResultBuilder]: For program point ensure_array_list_has_allocated_data_memberEXIT(lines 7010 7022) no Hoare annotation was computed. [2023-11-23 07:59:32,335 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 7010 7022) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2023-11-23 07:59:32,335 INFO L899 garLoopResultBuilder]: For program point L7018-3(lines 7018 7020) no Hoare annotation was computed. [2023-11-23 07:59:32,335 INFO L899 garLoopResultBuilder]: For program point L7018-1(lines 7018 7020) no Hoare annotation was computed. [2023-11-23 07:59:32,335 INFO L899 garLoopResultBuilder]: For program point L7012-1(lines 7012 7014) no Hoare annotation was computed. [2023-11-23 07:59:32,336 INFO L895 garLoopResultBuilder]: At program point L7012(lines 7012 7014) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2023-11-23 07:59:32,336 INFO L899 garLoopResultBuilder]: For program point L7015-1(line 7015) no Hoare annotation was computed. [2023-11-23 07:59:32,336 INFO L895 garLoopResultBuilder]: At program point L7015(line 7015) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2023-11-23 07:59:32,336 INFO L899 garLoopResultBuilder]: For program point L7017-1(line 7017) no Hoare annotation was computed. [2023-11-23 07:59:32,336 INFO L895 garLoopResultBuilder]: At program point L7017(line 7017) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2023-11-23 07:59:32,336 INFO L899 garLoopResultBuilder]: For program point L7011(line 7011) no Hoare annotation was computed. [2023-11-23 07:59:32,337 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_boundedEXIT(lines 6996 7008) no Hoare annotation was computed. [2023-11-23 07:59:32,337 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6996 7008) the Hoare annotation is: true [2023-11-23 07:59:32,337 INFO L899 garLoopResultBuilder]: For program point L3281(line 3281) no Hoare annotation was computed. [2023-11-23 07:59:32,337 INFO L899 garLoopResultBuilder]: For program point L3279(lines 3279 3280) no Hoare annotation was computed. [2023-11-23 07:59:32,337 INFO L899 garLoopResultBuilder]: For program point L3281-2(line 3281) no Hoare annotation was computed. [2023-11-23 07:59:32,337 INFO L899 garLoopResultBuilder]: For program point L3279-3(lines 3279 3281) no Hoare annotation was computed. [2023-11-23 07:59:32,337 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_validEXIT(lines 3259 3286) no Hoare annotation was computed. [2023-11-23 07:59:32,337 INFO L899 garLoopResultBuilder]: For program point L3279-2(lines 3279 3280) no Hoare annotation was computed. [2023-11-23 07:59:32,338 INFO L899 garLoopResultBuilder]: For program point L3279-5(lines 3279 3281) no Hoare annotation was computed. [2023-11-23 07:59:32,338 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 3259 3286) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|)) [2023-11-23 07:59:32,338 INFO L899 garLoopResultBuilder]: For program point L3263(lines 3263 3267) no Hoare annotation was computed. [2023-11-23 07:59:32,338 INFO L895 garLoopResultBuilder]: At program point L3272(line 3272) the Hoare annotation is: (and (<= |aws_array_list_is_valid_#in~list.base| aws_array_list_is_valid_~list.base) (<= |aws_array_list_is_valid_#in~list.base| 0)) [2023-11-23 07:59:32,338 INFO L899 garLoopResultBuilder]: For program point L3272-1(line 3272) no Hoare annotation was computed. [2023-11-23 07:59:32,338 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_validFINAL(lines 3259 3286) no Hoare annotation was computed. [2023-11-23 07:59:32,339 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2023-11-23 07:59:32,339 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 261) the Hoare annotation is: true [2023-11-23 07:59:32,339 INFO L899 garLoopResultBuilder]: For program point assert_byte_from_buffer_matchesEXIT(lines 7174 7178) no Hoare annotation was computed. [2023-11-23 07:59:32,339 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7174 7178) the Hoare annotation is: true [2023-11-23 07:59:32,339 INFO L899 garLoopResultBuilder]: For program point L7175(lines 7175 7177) no Hoare annotation was computed. [2023-11-23 07:59:32,339 INFO L899 garLoopResultBuilder]: For program point L7176-1(line 7176) no Hoare annotation was computed. [2023-11-23 07:59:32,339 INFO L902 garLoopResultBuilder]: At program point L7176(line 7176) the Hoare annotation is: true [2023-11-23 07:59:32,339 INFO L899 garLoopResultBuilder]: For program point L7175-2(lines 7174 7178) no Hoare annotation was computed. [2023-11-23 07:59:32,340 INFO L895 garLoopResultBuilder]: At program point L2496(line 2496) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|)) [2023-11-23 07:59:32,340 INFO L899 garLoopResultBuilder]: For program point L2497-1(line 2497) no Hoare annotation was computed. [2023-11-23 07:59:32,340 INFO L899 garLoopResultBuilder]: For program point aws_mul_size_checkedEXIT(lines 2584 2592) no Hoare annotation was computed. [2023-11-23 07:59:32,340 INFO L902 garLoopResultBuilder]: At program point L2497(line 2497) the Hoare annotation is: true [2023-11-23 07:59:32,340 INFO L899 garLoopResultBuilder]: For program point L2496-1(lines 2496 2497) no Hoare annotation was computed. [2023-11-23 07:59:32,340 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 2584 2592) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|)) [2023-11-23 07:59:32,341 INFO L899 garLoopResultBuilder]: For program point aws_mul_u64_checked_returnLabel#1(lines 2495 2500) no Hoare annotation was computed. [2023-11-23 07:59:32,341 INFO L902 garLoopResultBuilder]: At program point L7378(line 7378) the Hoare annotation is: true [2023-11-23 07:59:32,341 INFO L902 garLoopResultBuilder]: At program point L7381-3(lines 7381 7382) the Hoare annotation is: true [2023-11-23 07:59:32,341 INFO L899 garLoopResultBuilder]: For program point L7379(line 7379) no Hoare annotation was computed. [2023-11-23 07:59:32,341 INFO L902 garLoopResultBuilder]: At program point L7374(line 7374) the Hoare annotation is: true [2023-11-23 07:59:32,341 INFO L899 garLoopResultBuilder]: For program point memcpy_implEXIT(lines 7373 7385) no Hoare annotation was computed. [2023-11-23 07:59:32,341 INFO L899 garLoopResultBuilder]: For program point L7381-4(lines 7381 7382) no Hoare annotation was computed. [2023-11-23 07:59:32,341 INFO L902 garLoopResultBuilder]: At program point L7374-1(line 7374) the Hoare annotation is: true [2023-11-23 07:59:32,342 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7373 7385) the Hoare annotation is: true [2023-11-23 07:59:32,342 INFO L899 garLoopResultBuilder]: For program point aws_array_list_lengthEXIT(lines 3487 3498) no Hoare annotation was computed. [2023-11-23 07:59:32,342 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 3487 3498) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|)) (< |aws_array_list_length_#in~list.base| 2)) [2023-11-23 07:59:32,342 INFO L895 garLoopResultBuilder]: At program point L3496(line 3496) the Hoare annotation is: (not (<= 2 |aws_array_list_length_#in~list.base|)) [2023-11-23 07:59:32,342 INFO L895 garLoopResultBuilder]: At program point L3494(line 3494) the Hoare annotation is: (or (< |aws_array_list_length_#in~list.base| 2) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (<= 2 aws_array_list_length_~list.base) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2023-11-23 07:59:32,342 INFO L899 garLoopResultBuilder]: For program point L3496-2(line 3496) no Hoare annotation was computed. [2023-11-23 07:59:32,343 INFO L895 garLoopResultBuilder]: At program point L3496-1(line 3496) the Hoare annotation is: (not (<= 2 |aws_array_list_length_#in~list.base|)) [2023-11-23 07:59:32,343 INFO L899 garLoopResultBuilder]: For program point L3494-2(line 3494) no Hoare annotation was computed. [2023-11-23 07:59:32,343 INFO L899 garLoopResultBuilder]: For program point L3493(line 3493) no Hoare annotation was computed. [2023-11-23 07:59:32,343 INFO L895 garLoopResultBuilder]: At program point L3494-1(line 3494) the Hoare annotation is: (or (= |aws_array_list_length_#t~ret271| 0) (< |aws_array_list_length_#in~list.base| 2)) [2023-11-23 07:59:32,343 INFO L899 garLoopResultBuilder]: For program point L3493-3(line 3493) no Hoare annotation was computed. [2023-11-23 07:59:32,343 INFO L895 garLoopResultBuilder]: At program point L3493-2(line 3493) the Hoare annotation is: (or (< |aws_array_list_length_#in~list.base| 2) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (<= 2 aws_array_list_length_~list.base) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2023-11-23 07:59:32,344 INFO L895 garLoopResultBuilder]: At program point L2798(line 2798) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2023-11-23 07:59:32,344 INFO L895 garLoopResultBuilder]: At program point L2796(line 2796) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2023-11-23 07:59:32,344 INFO L899 garLoopResultBuilder]: For program point L2798-1(line 2798) no Hoare annotation was computed. [2023-11-23 07:59:32,344 INFO L899 garLoopResultBuilder]: For program point L2796-1(lines 2796 2798) no Hoare annotation was computed. [2023-11-23 07:59:32,344 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 2795 2799) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2023-11-23 07:59:32,344 INFO L899 garLoopResultBuilder]: For program point L2796-3(lines 2796 2798) no Hoare annotation was computed. [2023-11-23 07:59:32,344 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 2795 2799) no Hoare annotation was computed. [2023-11-23 07:59:32,345 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2023-11-23 07:59:32,345 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 210 212) the Hoare annotation is: true [2023-11-23 07:59:32,345 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2023-11-23 07:59:32,345 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2023-11-23 07:59:32,345 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 1988 1999) the Hoare annotation is: (= ~tl_last_error~0 |old(~tl_last_error~0)|) [2023-11-23 07:59:32,345 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2023-11-23 07:59:32,345 INFO L899 garLoopResultBuilder]: For program point L7388-1(line 7388) no Hoare annotation was computed. [2023-11-23 07:59:32,345 INFO L902 garLoopResultBuilder]: At program point L7388(line 7388) the Hoare annotation is: true [2023-11-23 07:59:32,346 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7387 7389) the Hoare annotation is: true [2023-11-23 07:59:32,346 INFO L899 garLoopResultBuilder]: For program point my_memcpyEXIT(lines 7387 7389) no Hoare annotation was computed. [2023-11-23 07:59:32,346 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2785 2787) the Hoare annotation is: true [2023-11-23 07:59:32,346 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 2785 2787) no Hoare annotation was computed. [2023-11-23 07:59:32,346 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_multEXIT(lines 253 256) no Hoare annotation was computed. [2023-11-23 07:59:32,346 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 253 256) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2023-11-23 07:59:32,346 INFO L899 garLoopResultBuilder]: For program point L3330-2(line 3330) no Hoare annotation was computed. [2023-11-23 07:59:32,347 INFO L895 garLoopResultBuilder]: At program point L3330-1(line 3330) the Hoare annotation is: (or (and (<= 2 |ULTIMATE.start_aws_array_list_front_~list#1.base|) (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|)) (and (= 0 |ULTIMATE.start_aws_array_list_front_harness_~val~0#1.offset|) (= |ULTIMATE.start_aws_array_list_front_~val#1.base| 0) (= |ULTIMATE.start_aws_array_list_front_~val#1.offset| 0) (= |ULTIMATE.start_aws_array_list_front_harness_~val~0#1.base| 0))) [2023-11-23 07:59:32,347 INFO L899 garLoopResultBuilder]: For program point L7996-1(line 7996) no Hoare annotation was computed. [2023-11-23 07:59:32,347 INFO L895 garLoopResultBuilder]: At program point L7996(line 7996) the Hoare annotation is: false [2023-11-23 07:59:32,347 INFO L899 garLoopResultBuilder]: For program point L7980-1(line 7980) no Hoare annotation was computed. [2023-11-23 07:59:32,347 INFO L895 garLoopResultBuilder]: At program point L7980(line 7980) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) [2023-11-23 07:59:32,347 INFO L899 garLoopResultBuilder]: For program point L3331(line 3331) no Hoare annotation was computed. [2023-11-23 07:59:32,347 INFO L899 garLoopResultBuilder]: For program point L3331-3(line 3331) no Hoare annotation was computed. [2023-11-23 07:59:32,348 INFO L895 garLoopResultBuilder]: At program point L3331-2(line 3331) the Hoare annotation is: (or (not |ULTIMATE.start_aws_array_list_front_#t~short172#1|) (and (<= 2 |ULTIMATE.start_aws_array_list_front_~list#1.base|) (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|))) [2023-11-23 07:59:32,348 INFO L899 garLoopResultBuilder]: For program point L7196-1(line 7196) no Hoare annotation was computed. [2023-11-23 07:59:32,348 INFO L899 garLoopResultBuilder]: For program point L7997-1(line 7997) no Hoare annotation was computed. [2023-11-23 07:59:32,348 INFO L895 garLoopResultBuilder]: At program point L7196(line 7196) the Hoare annotation is: false [2023-11-23 07:59:32,348 INFO L895 garLoopResultBuilder]: At program point L7997(line 7997) the Hoare annotation is: false [2023-11-23 07:59:32,348 INFO L899 garLoopResultBuilder]: For program point L7989-2(line 7989) no Hoare annotation was computed. [2023-11-23 07:59:32,349 INFO L895 garLoopResultBuilder]: At program point L7989-1(line 7989) the Hoare annotation is: (or (< 1 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (and (= 0 |ULTIMATE.start_aws_array_list_front_harness_~val~0#1.offset|) (= |ULTIMATE.start_aws_array_list_front_harness_~val~0#1.base| 0))) [2023-11-23 07:59:32,349 INFO L899 garLoopResultBuilder]: For program point L7188(lines 7188 7205) no Hoare annotation was computed. [2023-11-23 07:59:32,349 INFO L895 garLoopResultBuilder]: At program point L7989(line 7989) the Hoare annotation is: (or (< 1 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (and (= 0 |ULTIMATE.start_aws_array_list_front_harness_~val~0#1.offset|) (= |ULTIMATE.start_aws_array_list_front_harness_~val~0#1.base| 0))) [2023-11-23 07:59:32,349 INFO L899 garLoopResultBuilder]: For program point L7981-1(line 7981) no Hoare annotation was computed. [2023-11-23 07:59:32,349 INFO L899 garLoopResultBuilder]: For program point L7180(lines 7180 7186) no Hoare annotation was computed. [2023-11-23 07:59:32,349 INFO L895 garLoopResultBuilder]: At program point L7981(line 7981) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) [2023-11-23 07:59:32,349 INFO L899 garLoopResultBuilder]: For program point L7990(line 7990) no Hoare annotation was computed. [2023-11-23 07:59:32,349 INFO L899 garLoopResultBuilder]: For program point L7990-3(line 7990) no Hoare annotation was computed. [2023-11-23 07:59:32,350 INFO L895 garLoopResultBuilder]: At program point L7990-2(line 7990) the Hoare annotation is: (or (< 1 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (and (= 0 |ULTIMATE.start_aws_array_list_front_harness_~val~0#1.offset|) (= |ULTIMATE.start_aws_array_list_front_harness_~val~0#1.base| 0))) [2023-11-23 07:59:32,350 INFO L895 garLoopResultBuilder]: At program point L3341-1(line 3341) the Hoare annotation is: false [2023-11-23 07:59:32,350 INFO L895 garLoopResultBuilder]: At program point L3341(line 3341) the Hoare annotation is: false [2023-11-23 07:59:32,350 INFO L899 garLoopResultBuilder]: For program point L7181(lines 7181 7185) no Hoare annotation was computed. [2023-11-23 07:59:32,350 INFO L899 garLoopResultBuilder]: For program point L3341-2(line 3341) no Hoare annotation was computed. [2023-11-23 07:59:32,350 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 07:59:32,350 INFO L899 garLoopResultBuilder]: For program point aws_array_list_front_returnLabel#1(lines 3328 3343) no Hoare annotation was computed. [2023-11-23 07:59:32,351 INFO L895 garLoopResultBuilder]: At program point L7198(line 7198) the Hoare annotation is: false [2023-11-23 07:59:32,351 INFO L899 garLoopResultBuilder]: For program point L7198-1(line 7198) no Hoare annotation was computed. [2023-11-23 07:59:32,351 INFO L895 garLoopResultBuilder]: At program point L3342(line 3342) the Hoare annotation is: false [2023-11-23 07:59:32,351 INFO L899 garLoopResultBuilder]: For program point L3342-1(line 3342) no Hoare annotation was computed. [2023-11-23 07:59:32,351 INFO L895 garLoopResultBuilder]: At program point L3334(line 3334) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_array_list_front_~list#1.base|) (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|)) [2023-11-23 07:59:32,351 INFO L899 garLoopResultBuilder]: For program point L3334-1(lines 3334 3339) no Hoare annotation was computed. [2023-11-23 07:59:32,351 INFO L899 garLoopResultBuilder]: For program point L7199-1(line 7199) no Hoare annotation was computed. [2023-11-23 07:59:32,351 INFO L895 garLoopResultBuilder]: At program point L7199(line 7199) the Hoare annotation is: false [2023-11-23 07:59:32,352 INFO L899 garLoopResultBuilder]: For program point L7183-1(line 7183) no Hoare annotation was computed. [2023-11-23 07:59:32,352 INFO L895 garLoopResultBuilder]: At program point L7183(line 7183) the Hoare annotation is: (or (< 1 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (and (= 0 |ULTIMATE.start_aws_array_list_front_harness_~val~0#1.offset|) (= |ULTIMATE.start_aws_array_list_front_harness_~val~0#1.base| 0))) [2023-11-23 07:59:32,352 INFO L899 garLoopResultBuilder]: For program point L7976-2(line 7976) no Hoare annotation was computed. [2023-11-23 07:59:32,352 INFO L895 garLoopResultBuilder]: At program point L7976-1(line 7976) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) [2023-11-23 07:59:32,352 INFO L895 garLoopResultBuilder]: At program point L7976(line 7976) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) [2023-11-23 07:59:32,352 INFO L899 garLoopResultBuilder]: For program point L3335-1(line 3335) no Hoare annotation was computed. [2023-11-23 07:59:32,352 INFO L895 garLoopResultBuilder]: At program point L3335(line 3335) the Hoare annotation is: false [2023-11-23 07:59:32,353 INFO L899 garLoopResultBuilder]: For program point L7200-1(line 7200) no Hoare annotation was computed. [2023-11-23 07:59:32,353 INFO L899 garLoopResultBuilder]: For program point L8001-1(line 8001) no Hoare annotation was computed. [2023-11-23 07:59:32,353 INFO L895 garLoopResultBuilder]: At program point L7200(line 7200) the Hoare annotation is: false [2023-11-23 07:59:32,353 INFO L895 garLoopResultBuilder]: At program point L8001(line 8001) the Hoare annotation is: false [2023-11-23 07:59:32,353 INFO L895 garLoopResultBuilder]: At program point L7993-2(lines 7993 7998) the Hoare annotation is: false [2023-11-23 07:59:32,353 INFO L899 garLoopResultBuilder]: For program point L7993(lines 7993 7998) no Hoare annotation was computed. [2023-11-23 07:59:32,353 INFO L895 garLoopResultBuilder]: At program point L3336(line 3336) the Hoare annotation is: false [2023-11-23 07:59:32,354 INFO L895 garLoopResultBuilder]: At program point L7977-1(line 7977) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) [2023-11-23 07:59:32,354 INFO L895 garLoopResultBuilder]: At program point L7977(line 7977) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) [2023-11-23 07:59:32,354 INFO L899 garLoopResultBuilder]: For program point L3336-1(line 3336) no Hoare annotation was computed. [2023-11-23 07:59:32,354 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 07:59:32,354 INFO L899 garLoopResultBuilder]: For program point L7201-1(line 7201) no Hoare annotation was computed. [2023-11-23 07:59:32,354 INFO L895 garLoopResultBuilder]: At program point L7201(line 7201) the Hoare annotation is: false [2023-11-23 07:59:32,354 INFO L899 garLoopResultBuilder]: For program point L7193(lines 7193 7197) no Hoare annotation was computed. [2023-11-23 07:59:32,354 INFO L895 garLoopResultBuilder]: At program point L7978(line 7978) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) [2023-11-23 07:59:32,355 INFO L895 garLoopResultBuilder]: At program point L3337-1(line 3337) the Hoare annotation is: false [2023-11-23 07:59:32,355 INFO L895 garLoopResultBuilder]: At program point L3337(line 3337) the Hoare annotation is: false [2023-11-23 07:59:32,355 INFO L899 garLoopResultBuilder]: For program point L7978-1(line 7978) no Hoare annotation was computed. [2023-11-23 07:59:32,355 INFO L899 garLoopResultBuilder]: For program point L3337-2(line 3337) no Hoare annotation was computed. [2023-11-23 07:59:32,355 INFO L899 garLoopResultBuilder]: For program point L7202(lines 7202 7204) no Hoare annotation was computed. [2023-11-23 07:59:32,355 INFO L899 garLoopResultBuilder]: For program point L7995-1(line 7995) no Hoare annotation was computed. [2023-11-23 07:59:32,355 INFO L895 garLoopResultBuilder]: At program point L7995(line 7995) the Hoare annotation is: false [2023-11-23 07:59:32,355 INFO L899 garLoopResultBuilder]: For program point L7203-1(line 7203) no Hoare annotation was computed. [2023-11-23 07:59:32,356 INFO L895 garLoopResultBuilder]: At program point L7203(line 7203) the Hoare annotation is: false [2023-11-23 07:59:32,356 INFO L895 garLoopResultBuilder]: At program point L3330(line 3330) the Hoare annotation is: (or (and (<= 2 |ULTIMATE.start_aws_array_list_front_~list#1.base|) (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|)) (and (= 0 |ULTIMATE.start_aws_array_list_front_harness_~val~0#1.offset|) (= |ULTIMATE.start_aws_array_list_front_~val#1.base| 0) (= |ULTIMATE.start_aws_array_list_front_~val#1.offset| 0) (= |ULTIMATE.start_aws_array_list_front_harness_~val~0#1.base| 0))) [2023-11-23 07:59:32,356 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2023-11-23 07:59:32,356 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2023-11-23 07:59:32,356 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2023-11-23 07:59:32,356 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2023-11-23 07:59:32,356 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2023-11-23 07:59:32,357 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2023-11-23 07:59:32,359 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-23 07:59:32,361 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 07:59:32,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 07:59:32 BoogieIcfgContainer [2023-11-23 07:59:32,369 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 07:59:32,370 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 07:59:32,370 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 07:59:32,370 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 07:59:32,371 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:59:20" (3/4) ... [2023-11-23 07:59:32,373 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 07:59:32,376 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2023-11-23 07:59:32,376 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2023-11-23 07:59:32,376 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_array_list_has_allocated_data_member [2023-11-23 07:59:32,376 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_bounded [2023-11-23 07:59:32,376 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_valid [2023-11-23 07:59:32,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2023-11-23 07:59:32,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-23 07:59:32,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2023-11-23 07:59:32,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_memcpy [2023-11-23 07:59:32,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2023-11-23 07:59:32,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2023-11-23 07:59:32,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_byte_from_buffer_matches [2023-11-23 07:59:32,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2023-11-23 07:59:32,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure memcpy_impl [2023-11-23 07:59:32,378 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_length [2023-11-23 07:59:32,378 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-23 07:59:32,398 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 153 nodes and edges [2023-11-23 07:59:32,400 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 69 nodes and edges [2023-11-23 07:59:32,401 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-11-23 07:59:32,401 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-23 07:59:32,402 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-23 07:59:32,403 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 07:59:32,404 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-23 07:59:32,405 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 07:59:32,933 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-11-23 07:59:32,933 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2023-11-23 07:59:32,934 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 07:59:32,934 INFO L158 Benchmark]: Toolchain (without parser) took 16931.51ms. Allocated memory was 155.2MB in the beginning and 390.1MB in the end (delta: 234.9MB). Free memory was 91.8MB in the beginning and 159.2MB in the end (delta: -67.3MB). Peak memory consumption was 167.3MB. Max. memory is 16.1GB. [2023-11-23 07:59:32,934 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 155.2MB. Free memory was 120.5MB in the beginning and 120.3MB in the end (delta: 169.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 07:59:32,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2472.06ms. Allocated memory was 155.2MB in the beginning and 220.2MB in the end (delta: 65.0MB). Free memory was 91.8MB in the beginning and 134.3MB in the end (delta: -42.5MB). Peak memory consumption was 75.8MB. Max. memory is 16.1GB. [2023-11-23 07:59:32,935 INFO L158 Benchmark]: Boogie Procedure Inliner took 198.62ms. Allocated memory is still 220.2MB. Free memory was 134.3MB in the beginning and 124.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 07:59:32,935 INFO L158 Benchmark]: Boogie Preprocessor took 123.21ms. Allocated memory is still 220.2MB. Free memory was 124.9MB in the beginning and 118.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 07:59:32,935 INFO L158 Benchmark]: RCFGBuilder took 1257.65ms. Allocated memory is still 220.2MB. Free memory was 118.6MB in the beginning and 81.9MB in the end (delta: 36.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-23 07:59:32,935 INFO L158 Benchmark]: TraceAbstraction took 12307.93ms. Allocated memory was 220.2MB in the beginning and 390.1MB in the end (delta: 169.9MB). Free memory was 80.8MB in the beginning and 285.0MB in the end (delta: -204.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 07:59:32,936 INFO L158 Benchmark]: Witness Printer took 563.70ms. Allocated memory is still 390.1MB. Free memory was 285.0MB in the beginning and 159.2MB in the end (delta: 125.8MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. [2023-11-23 07:59:32,937 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 155.2MB. Free memory was 120.5MB in the beginning and 120.3MB in the end (delta: 169.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2472.06ms. Allocated memory was 155.2MB in the beginning and 220.2MB in the end (delta: 65.0MB). Free memory was 91.8MB in the beginning and 134.3MB in the end (delta: -42.5MB). Peak memory consumption was 75.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 198.62ms. Allocated memory is still 220.2MB. Free memory was 134.3MB in the beginning and 124.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 123.21ms. Allocated memory is still 220.2MB. Free memory was 124.9MB in the beginning and 118.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1257.65ms. Allocated memory is still 220.2MB. Free memory was 118.6MB in the beginning and 81.9MB in the end (delta: 36.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 12307.93ms. Allocated memory was 220.2MB in the beginning and 390.1MB in the end (delta: 169.9MB). Free memory was 80.8MB in the beginning and 285.0MB in the end (delta: -204.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 563.70ms. Allocated memory is still 390.1MB. Free memory was 285.0MB in the beginning and 159.2MB in the end (delta: 125.8MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 7767]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7767-7778] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 17 procedures, 164 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.2s, OverallIterations: 6, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 454 SdHoareTripleChecker+Valid, 4.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 380 mSDsluCounter, 4398 SdHoareTripleChecker+Invalid, 3.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3448 mSDsCounter, 470 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2414 IncrementalHoareTripleChecker+Invalid, 2884 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 470 mSolverCounterUnsat, 950 mSDtfsCounter, 2414 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 642 GetRequests, 586 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=175occurred in iteration=3, InterpolantAutomatonStates: 47, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 137 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 437 PreInvPairs, 463 NumberOfFragments, 452 HoareAnnotationTreeSize, 437 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 71 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 995 NumberOfCodeBlocks, 995 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 987 ConstructedInterpolants, 0 QuantifiedInterpolants, 1911 SizeOfPredicates, 7 NumberOfNonLiveVariables, 6834 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 1819/1880 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 7381]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-23 07:59:32,967 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 Writing output log to file Ultimate.log Result: TRUE