./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/aws-c-common/aws_hash_iter_delete_harness_negated.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_hash_iter_delete_harness_negated.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 153b65773966546d8fd416fac373e8e3e127696e78fd1e5e636cc0e37a9471f2 --preprocessor.use.memory.slicer false --- Real Ultimate output --- This is Ultimate 0.2.3-?-abd6749-m [2023-11-23 08:37:17,726 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 08:37:17,798 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 08:37:17,803 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 08:37:17,804 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 08:37:17,846 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 08:37:17,846 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 08:37:17,847 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 08:37:17,847 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 08:37:17,850 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 08:37:17,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 08:37:17,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 08:37:17,852 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 08:37:17,853 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 08:37:17,853 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 08:37:17,853 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 08:37:17,853 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 08:37:17,854 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 08:37:17,854 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 08:37:17,854 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 08:37:17,854 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 08:37:17,854 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 08:37:17,855 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 08:37:17,855 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 08:37:17,855 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 08:37:17,856 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 08:37:17,856 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 08:37:17,856 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 08:37:17,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 08:37:17,856 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 08:37:17,857 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 08:37:17,857 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 08:37:17,857 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 08:37:17,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 08:37:17,858 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 08:37:17,858 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 08:37:17,858 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 08:37:17,858 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 08:37:17,859 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 08:37:17,859 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 153b65773966546d8fd416fac373e8e3e127696e78fd1e5e636cc0e37a9471f2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> false [2023-11-23 08:37:18,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 08:37:18,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 08:37:18,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 08:37:18,135 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 08:37:18,135 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 08:37:18,136 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_hash_iter_delete_harness_negated.i [2023-11-23 08:37:19,176 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 08:37:19,582 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 08:37:19,583 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_iter_delete_harness_negated.i [2023-11-23 08:37:19,611 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/391825d84/c4bf0ecb80404505ba315f63854576aa/FLAG3e279c6bb [2023-11-23 08:37:19,623 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/391825d84/c4bf0ecb80404505ba315f63854576aa [2023-11-23 08:37:19,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 08:37:19,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 08:37:19,642 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 08:37:19,642 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 08:37:19,646 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 08:37:19,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:37:19" (1/1) ... [2023-11-23 08:37:19,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19d0aac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:19, skipping insertion in model container [2023-11-23 08:37:19,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:37:19" (1/1) ... [2023-11-23 08:37:19,739 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 08:37:19,950 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_hash_iter_delete_harness_negated.i[4494,4507] [2023-11-23 08:37:19,957 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_hash_iter_delete_harness_negated.i[4554,4567] [2023-11-23 08:37:20,535 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:20,537 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:20,538 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:20,539 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:20,540 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:20,561 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:20,565 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:20,567 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:20,571 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:20,572 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:20,576 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:20,576 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:20,576 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:20,806 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 08:37:20,807 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 08:37:20,808 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 08:37:20,809 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 08:37:20,809 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 08:37:20,810 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 08:37:20,810 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 08:37:20,811 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 08:37:20,811 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 08:37:20,812 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 08:37:21,189 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,191 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,255 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,256 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,258 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,259 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,286 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,289 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,290 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,290 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,291 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,291 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,292 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,327 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 08:37:21,354 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 08:37:21,372 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_hash_iter_delete_harness_negated.i[4494,4507] [2023-11-23 08:37:21,372 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_hash_iter_delete_harness_negated.i[4554,4567] [2023-11-23 08:37:21,400 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,401 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,401 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,401 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,402 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,408 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,409 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,410 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,410 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,411 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,411 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,411 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,412 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,437 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 08:37:21,438 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 08:37:21,439 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 08:37:21,441 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 08:37:21,442 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 08:37:21,443 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 08:37:21,443 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 08:37:21,443 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 08:37:21,443 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 08:37:21,444 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 08:37:21,472 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] [2023-11-23 08:37:21,543 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,543 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,549 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,550 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,552 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,552 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,560 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,561 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,561 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,561 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,562 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,562 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,562 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:37:21,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 08:37:21,742 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:37:21,743 WARN L675 CHandler]: The function equals_fn is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:37:21,743 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:37:21,743 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:37:21,743 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:37:21,743 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:37:21,743 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:37:21,743 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:37:21,743 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:37:21,743 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:37:21,744 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:37:21,744 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:37:21,744 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:37:21,744 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:37:21,744 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:37:21,744 WARN L675 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:37:21,744 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:37:21,744 WARN L675 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:37:21,750 INFO L206 MainTranslator]: Completed translation [2023-11-23 08:37:21,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:21 WrapperNode [2023-11-23 08:37:21,752 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 08:37:21,753 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 08:37:21,753 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 08:37:21,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 08:37:21,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:21" (1/1) ... [2023-11-23 08:37:21,814 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:21" (1/1) ... [2023-11-23 08:37:21,878 INFO L138 Inliner]: procedures = 772, calls = 2461, calls flagged for inlining = 66, calls inlined = 11, statements flattened = 749 [2023-11-23 08:37:21,883 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 08:37:21,884 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 08:37:21,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 08:37:21,884 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 08:37:21,891 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:21" (1/1) ... [2023-11-23 08:37:21,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:21" (1/1) ... [2023-11-23 08:37:21,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:21" (1/1) ... [2023-11-23 08:37:21,903 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:21" (1/1) ... [2023-11-23 08:37:21,940 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:21" (1/1) ... [2023-11-23 08:37:21,950 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:21" (1/1) ... [2023-11-23 08:37:21,965 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:21" (1/1) ... [2023-11-23 08:37:21,968 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:21" (1/1) ... [2023-11-23 08:37:21,982 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 08:37:21,986 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 08:37:21,986 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 08:37:21,987 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 08:37:21,987 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:21" (1/1) ... [2023-11-23 08:37:21,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 08:37:22,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 08:37:22,023 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 08:37:22,049 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 08:37:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-23 08:37:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-23 08:37:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-23 08:37:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 08:37:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-23 08:37:22,082 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-23 08:37:22,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 08:37:22,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 08:37:22,082 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2023-11-23 08:37:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2023-11-23 08:37:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 08:37:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 08:37:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 08:37:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 08:37:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 08:37:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 08:37:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 08:37:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-23 08:37:22,084 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-23 08:37:22,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 08:37:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 08:37:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 08:37:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2023-11-23 08:37:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2023-11-23 08:37:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 08:37:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-23 08:37:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-23 08:37:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 08:37:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2023-11-23 08:37:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2023-11-23 08:37:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 08:37:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2023-11-23 08:37:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2023-11-23 08:37:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 08:37:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 08:37:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 08:37:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 08:37:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2023-11-23 08:37:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2023-11-23 08:37:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2023-11-23 08:37:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2023-11-23 08:37:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 08:37:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-23 08:37:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-23 08:37:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2023-11-23 08:37:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2023-11-23 08:37:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2023-11-23 08:37:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2023-11-23 08:37:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_delete [2023-11-23 08:37:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_delete [2023-11-23 08:37:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 08:37:22,389 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 08:37:22,391 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 08:37:22,555 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !true; [2023-11-23 08:37:22,556 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !true; [2023-11-23 08:37:23,045 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 08:37:23,119 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 08:37:23,119 INFO L309 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-23 08:37:23,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:37:23 BoogieIcfgContainer [2023-11-23 08:37:23,120 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 08:37:23,121 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 08:37:23,121 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 08:37:23,124 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 08:37:23,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:37:19" (1/3) ... [2023-11-23 08:37:23,125 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3db9017b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:37:23, skipping insertion in model container [2023-11-23 08:37:23,125 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:21" (2/3) ... [2023-11-23 08:37:23,125 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3db9017b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:37:23, skipping insertion in model container [2023-11-23 08:37:23,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:37:23" (3/3) ... [2023-11-23 08:37:23,127 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_delete_harness_negated.i [2023-11-23 08:37:23,140 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 08:37:23,140 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 08:37:23,176 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 08:37:23,182 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;@5a2f7239, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 08:37:23,182 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 08:37:23,187 INFO L276 IsEmpty]: Start isEmpty. Operand has 197 states, 124 states have (on average 1.346774193548387) internal successors, (167), 123 states have internal predecessors, (167), 54 states have call successors, (54), 19 states have call predecessors, (54), 19 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-23 08:37:23,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-11-23 08:37:23,200 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 08:37:23,200 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:37:23,201 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 08:37:23,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 08:37:23,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1756986890, now seen corresponding path program 1 times [2023-11-23 08:37:23,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 08:37:23,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164422611] [2023-11-23 08:37:23,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:37:23,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 08:37:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:23,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 08:37:23,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164422611] [2023-11-23 08:37:23,582 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-23 08:37:23,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476251121] [2023-11-23 08:37:23,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:37:23,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 08:37:23,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 08:37:23,584 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 08:37:23,608 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 08:37:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:24,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 2513 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 08:37:24,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 08:37:24,159 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2023-11-23 08:37:24,159 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 08:37:24,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476251121] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 08:37:24,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 08:37:24,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 08:37:24,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508381515] [2023-11-23 08:37:24,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 08:37:24,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 08:37:24,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 08:37:24,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 08:37:24,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 08:37:24,196 INFO L87 Difference]: Start difference. First operand has 197 states, 124 states have (on average 1.346774193548387) internal successors, (167), 123 states have internal predecessors, (167), 54 states have call successors, (54), 19 states have call predecessors, (54), 19 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-23 08:37:24,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 08:37:24,294 INFO L93 Difference]: Finished difference Result 390 states and 585 transitions. [2023-11-23 08:37:24,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 08:37:24,296 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 191 [2023-11-23 08:37:24,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 08:37:24,303 INFO L225 Difference]: With dead ends: 390 [2023-11-23 08:37:24,303 INFO L226 Difference]: Without dead ends: 195 [2023-11-23 08:37:24,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 08:37:24,309 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 08:37:24,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 248 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 08:37:24,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2023-11-23 08:37:24,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2023-11-23 08:37:24,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 121 states have (on average 1.2975206611570247) internal successors, (157), 122 states have internal predecessors, (157), 54 states have call successors, (54), 19 states have call predecessors, (54), 19 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2023-11-23 08:37:24,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 264 transitions. [2023-11-23 08:37:24,344 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 264 transitions. Word has length 191 [2023-11-23 08:37:24,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 08:37:24,345 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 264 transitions. [2023-11-23 08:37:24,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-23 08:37:24,345 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 264 transitions. [2023-11-23 08:37:24,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-11-23 08:37:24,348 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 08:37:24,348 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:37:24,379 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 08:37:24,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 08:37:24,564 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 08:37:24,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 08:37:24,565 INFO L85 PathProgramCache]: Analyzing trace with hash -758705024, now seen corresponding path program 1 times [2023-11-23 08:37:24,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 08:37:24,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379046456] [2023-11-23 08:37:24,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:37:24,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 08:37:24,688 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 08:37:24,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [235207856] [2023-11-23 08:37:24,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:37:24,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 08:37:24,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 08:37:24,690 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 08:37:24,723 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 08:37:25,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:25,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 2513 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 08:37:25,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 08:37:25,163 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 15 proven. 39 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2023-11-23 08:37:25,164 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 08:37:25,272 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-23 08:37:25,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 08:37:25,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379046456] [2023-11-23 08:37:25,273 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 08:37:25,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235207856] [2023-11-23 08:37:25,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [235207856] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-23 08:37:25,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 08:37:25,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2023-11-23 08:37:25,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306712279] [2023-11-23 08:37:25,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 08:37:25,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 08:37:25,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 08:37:25,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 08:37:25,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-23 08:37:25,276 INFO L87 Difference]: Start difference. First operand 195 states and 264 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-23 08:37:25,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 08:37:25,497 INFO L93 Difference]: Finished difference Result 203 states and 272 transitions. [2023-11-23 08:37:25,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 08:37:25,497 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 191 [2023-11-23 08:37:25,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 08:37:25,499 INFO L225 Difference]: With dead ends: 203 [2023-11-23 08:37:25,499 INFO L226 Difference]: Without dead ends: 201 [2023-11-23 08:37:25,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-11-23 08:37:25,501 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 6 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 963 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 08:37:25,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 963 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 08:37:25,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2023-11-23 08:37:25,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 200. [2023-11-23 08:37:25,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 124 states have (on average 1.2903225806451613) internal successors, (160), 126 states have internal predecessors, (160), 55 states have call successors, (55), 20 states have call predecessors, (55), 20 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-23 08:37:25,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 269 transitions. [2023-11-23 08:37:25,512 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 269 transitions. Word has length 191 [2023-11-23 08:37:25,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 08:37:25,513 INFO L495 AbstractCegarLoop]: Abstraction has 200 states and 269 transitions. [2023-11-23 08:37:25,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-23 08:37:25,513 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 269 transitions. [2023-11-23 08:37:25,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-23 08:37:25,515 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 08:37:25,515 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:37:25,547 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 08:37:25,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-23 08:37:25,729 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 08:37:25,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 08:37:25,731 INFO L85 PathProgramCache]: Analyzing trace with hash 829163572, now seen corresponding path program 1 times [2023-11-23 08:37:25,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 08:37:25,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305992727] [2023-11-23 08:37:25,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:37:25,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 08:37:25,821 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 08:37:25,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [795687128] [2023-11-23 08:37:25,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:37:25,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 08:37:25,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 08:37:25,823 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 08:37:25,841 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 08:37:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:26,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 2533 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 08:37:26,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 08:37:26,347 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 19 proven. 39 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2023-11-23 08:37:26,347 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 08:37:26,477 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2023-11-23 08:37:26,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 08:37:26,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305992727] [2023-11-23 08:37:26,477 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 08:37:26,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795687128] [2023-11-23 08:37:26,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795687128] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-23 08:37:26,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 08:37:26,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 14 [2023-11-23 08:37:26,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673497025] [2023-11-23 08:37:26,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 08:37:26,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 08:37:26,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 08:37:26,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 08:37:26,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2023-11-23 08:37:26,480 INFO L87 Difference]: Start difference. First operand 200 states and 269 transitions. Second operand has 7 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-23 08:37:26,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 08:37:26,864 INFO L93 Difference]: Finished difference Result 212 states and 285 transitions. [2023-11-23 08:37:26,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 08:37:26,864 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) Word has length 197 [2023-11-23 08:37:26,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 08:37:26,868 INFO L225 Difference]: With dead ends: 212 [2023-11-23 08:37:26,868 INFO L226 Difference]: Without dead ends: 210 [2023-11-23 08:37:26,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 380 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2023-11-23 08:37:26,869 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 7 mSDsluCounter, 1205 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1450 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 08:37:26,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1450 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 08:37:26,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2023-11-23 08:37:26,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 203. [2023-11-23 08:37:26,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 126 states have (on average 1.2857142857142858) internal successors, (162), 128 states have internal predecessors, (162), 55 states have call successors, (55), 20 states have call predecessors, (55), 21 states have return successors, (59), 54 states have call predecessors, (59), 54 states have call successors, (59) [2023-11-23 08:37:26,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 276 transitions. [2023-11-23 08:37:26,880 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 276 transitions. Word has length 197 [2023-11-23 08:37:26,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 08:37:26,881 INFO L495 AbstractCegarLoop]: Abstraction has 203 states and 276 transitions. [2023-11-23 08:37:26,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-23 08:37:26,881 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 276 transitions. [2023-11-23 08:37:26,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-11-23 08:37:26,884 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 08:37:26,884 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:37:26,903 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 08:37:27,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 08:37:27,088 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 08:37:27,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 08:37:27,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1380017678, now seen corresponding path program 1 times [2023-11-23 08:37:27,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 08:37:27,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640472467] [2023-11-23 08:37:27,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:37:27,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 08:37:27,148 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 08:37:27,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1622176016] [2023-11-23 08:37:27,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:37:27,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 08:37:27,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 08:37:27,150 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 08:37:27,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 08:37:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:27,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 2564 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-23 08:37:27,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 08:37:27,822 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2023-11-23 08:37:27,822 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 08:37:28,267 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 700 trivial. 0 not checked. [2023-11-23 08:37:28,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 08:37:28,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640472467] [2023-11-23 08:37:28,268 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 08:37:28,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622176016] [2023-11-23 08:37:28,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1622176016] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-23 08:37:28,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 08:37:28,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [13] total 19 [2023-11-23 08:37:28,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816669799] [2023-11-23 08:37:28,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 08:37:28,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 08:37:28,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 08:37:28,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 08:37:28,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=301, Unknown=0, NotChecked=0, Total=342 [2023-11-23 08:37:28,271 INFO L87 Difference]: Start difference. First operand 203 states and 276 transitions. Second operand has 10 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 2 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (34), 3 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-23 08:37:28,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 08:37:28,694 INFO L93 Difference]: Finished difference Result 219 states and 298 transitions. [2023-11-23 08:37:28,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 08:37:28,694 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 2 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (34), 3 states have call predecessors, (34), 1 states have call successors, (34) Word has length 203 [2023-11-23 08:37:28,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 08:37:28,699 INFO L225 Difference]: With dead ends: 219 [2023-11-23 08:37:28,699 INFO L226 Difference]: Without dead ends: 217 [2023-11-23 08:37:28,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 387 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2023-11-23 08:37:28,701 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 7 mSDsluCounter, 1929 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2173 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 08:37:28,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2173 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 08:37:28,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2023-11-23 08:37:28,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 206. [2023-11-23 08:37:28,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 128 states have (on average 1.28125) internal successors, (164), 130 states have internal predecessors, (164), 55 states have call successors, (55), 20 states have call predecessors, (55), 22 states have return successors, (61), 55 states have call predecessors, (61), 54 states have call successors, (61) [2023-11-23 08:37:28,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 280 transitions. [2023-11-23 08:37:28,721 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 280 transitions. Word has length 203 [2023-11-23 08:37:28,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 08:37:28,722 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 280 transitions. [2023-11-23 08:37:28,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 2 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (34), 3 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-23 08:37:28,722 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 280 transitions. [2023-11-23 08:37:28,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-11-23 08:37:28,724 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 08:37:28,724 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:37:28,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-23 08:37:28,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 08:37:28,948 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 08:37:28,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 08:37:28,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1066868105, now seen corresponding path program 1 times [2023-11-23 08:37:28,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 08:37:28,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569404804] [2023-11-23 08:37:28,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:37:28,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 08:37:29,072 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 08:37:29,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [246933762] [2023-11-23 08:37:29,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:37:29,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 08:37:29,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 08:37:29,089 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 08:37:29,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-23 08:37:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:29,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 2568 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-23 08:37:29,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 08:37:29,638 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2023-11-23 08:37:29,639 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 08:37:29,849 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2023-11-23 08:37:29,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 08:37:29,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569404804] [2023-11-23 08:37:29,850 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 08:37:29,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246933762] [2023-11-23 08:37:29,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [246933762] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 08:37:29,850 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 08:37:29,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 9 [2023-11-23 08:37:29,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904336673] [2023-11-23 08:37:29,851 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 08:37:29,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 08:37:29,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 08:37:29,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 08:37:29,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-23 08:37:29,852 INFO L87 Difference]: Start difference. First operand 206 states and 280 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 5 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (34), 5 states have call predecessors, (34), 4 states have call successors, (34) [2023-11-23 08:37:30,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 08:37:30,426 INFO L93 Difference]: Finished difference Result 356 states and 500 transitions. [2023-11-23 08:37:30,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 08:37:30,427 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 5 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (34), 5 states have call predecessors, (34), 4 states have call successors, (34) Word has length 205 [2023-11-23 08:37:30,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 08:37:30,429 INFO L225 Difference]: With dead ends: 356 [2023-11-23 08:37:30,429 INFO L226 Difference]: Without dead ends: 254 [2023-11-23 08:37:30,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 402 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-11-23 08:37:30,430 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 47 mSDsluCounter, 898 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 1127 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 08:37:30,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 1127 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 08:37:30,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2023-11-23 08:37:30,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 244. [2023-11-23 08:37:30,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 154 states have (on average 1.2922077922077921) internal successors, (199), 156 states have internal predecessors, (199), 66 states have call successors, (66), 21 states have call predecessors, (66), 23 states have return successors, (77), 66 states have call predecessors, (77), 65 states have call successors, (77) [2023-11-23 08:37:30,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 342 transitions. [2023-11-23 08:37:30,446 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 342 transitions. Word has length 205 [2023-11-23 08:37:30,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 08:37:30,451 INFO L495 AbstractCegarLoop]: Abstraction has 244 states and 342 transitions. [2023-11-23 08:37:30,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 5 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (34), 5 states have call predecessors, (34), 4 states have call successors, (34) [2023-11-23 08:37:30,452 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 342 transitions. [2023-11-23 08:37:30,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-23 08:37:30,454 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 08:37:30,454 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:37:30,474 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-23 08:37:30,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 08:37:30,670 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 08:37:30,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 08:37:30,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1882606955, now seen corresponding path program 1 times [2023-11-23 08:37:30,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 08:37:30,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254179501] [2023-11-23 08:37:30,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:37:30,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 08:37:30,735 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 08:37:30,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [81216846] [2023-11-23 08:37:30,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:37:30,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 08:37:30,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 08:37:30,738 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 08:37:30,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-23 08:37:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:31,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 2630 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-23 08:37:31,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 08:37:31,296 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 97 proven. 36 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2023-11-23 08:37:31,296 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 08:37:31,677 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 61 proven. 5 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2023-11-23 08:37:31,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 08:37:31,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254179501] [2023-11-23 08:37:31,677 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 08:37:31,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81216846] [2023-11-23 08:37:31,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81216846] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 08:37:31,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 08:37:31,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 17 [2023-11-23 08:37:31,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068137305] [2023-11-23 08:37:31,678 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 08:37:31,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-23 08:37:31,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 08:37:31,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-23 08:37:31,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2023-11-23 08:37:31,681 INFO L87 Difference]: Start difference. First operand 244 states and 342 transitions. Second operand has 17 states, 12 states have (on average 7.666666666666667) internal successors, (92), 12 states have internal predecessors, (92), 5 states have call successors, (42), 3 states have call predecessors, (42), 7 states have return successors, (41), 6 states have call predecessors, (41), 5 states have call successors, (41) [2023-11-23 08:37:32,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 08:37:32,534 INFO L93 Difference]: Finished difference Result 349 states and 485 transitions. [2023-11-23 08:37:32,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 08:37:32,534 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 12 states have (on average 7.666666666666667) internal successors, (92), 12 states have internal predecessors, (92), 5 states have call successors, (42), 3 states have call predecessors, (42), 7 states have return successors, (41), 6 states have call predecessors, (41), 5 states have call successors, (41) Word has length 217 [2023-11-23 08:37:32,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 08:37:32,536 INFO L225 Difference]: With dead ends: 349 [2023-11-23 08:37:32,536 INFO L226 Difference]: Without dead ends: 211 [2023-11-23 08:37:32,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 417 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2023-11-23 08:37:32,537 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 4 mSDsluCounter, 2851 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 3077 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-23 08:37:32,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 3077 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-23 08:37:32,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2023-11-23 08:37:32,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 208. [2023-11-23 08:37:32,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 129 states have (on average 1.2790697674418605) internal successors, (165), 132 states have internal predecessors, (165), 55 states have call successors, (55), 20 states have call predecessors, (55), 23 states have return successors, (63), 55 states have call predecessors, (63), 54 states have call successors, (63) [2023-11-23 08:37:32,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 283 transitions. [2023-11-23 08:37:32,552 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 283 transitions. Word has length 217 [2023-11-23 08:37:32,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 08:37:32,556 INFO L495 AbstractCegarLoop]: Abstraction has 208 states and 283 transitions. [2023-11-23 08:37:32,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 12 states have (on average 7.666666666666667) internal successors, (92), 12 states have internal predecessors, (92), 5 states have call successors, (42), 3 states have call predecessors, (42), 7 states have return successors, (41), 6 states have call predecessors, (41), 5 states have call successors, (41) [2023-11-23 08:37:32,557 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 283 transitions. [2023-11-23 08:37:32,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-11-23 08:37:32,558 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 08:37:32,558 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:37:32,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-23 08:37:32,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 08:37:32,774 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 08:37:32,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 08:37:32,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1502810810, now seen corresponding path program 2 times [2023-11-23 08:37:32,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 08:37:32,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592968152] [2023-11-23 08:37:32,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:37:32,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 08:37:32,841 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 08:37:32,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1870308112] [2023-11-23 08:37:32,842 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-23 08:37:32,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 08:37:32,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 08:37:32,848 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 08:37:32,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-23 08:37:33,321 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-23 08:37:33,321 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 08:37:33,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 1808 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 08:37:33,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 08:37:33,541 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2023-11-23 08:37:33,541 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 08:37:33,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 08:37:33,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592968152] [2023-11-23 08:37:33,542 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 08:37:33,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870308112] [2023-11-23 08:37:33,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870308112] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 08:37:33,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 08:37:33,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-23 08:37:33,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595377051] [2023-11-23 08:37:33,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 08:37:33,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-23 08:37:33,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 08:37:33,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-23 08:37:33,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-11-23 08:37:33,545 INFO L87 Difference]: Start difference. First operand 208 states and 283 transitions. Second operand has 12 states, 10 states have (on average 7.6) internal successors, (76), 9 states have internal predecessors, (76), 3 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-23 08:37:36,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 08:37:37,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 08:37:37,062 INFO L93 Difference]: Finished difference Result 229 states and 309 transitions. [2023-11-23 08:37:37,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 08:37:37,062 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.6) internal successors, (76), 9 states have internal predecessors, (76), 3 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) Word has length 219 [2023-11-23 08:37:37,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 08:37:37,064 INFO L225 Difference]: With dead ends: 229 [2023-11-23 08:37:37,064 INFO L226 Difference]: Without dead ends: 227 [2023-11-23 08:37:37,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 208 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2023-11-23 08:37:37,065 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 20 mSDsluCounter, 2306 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 2552 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-23 08:37:37,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 2552 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 478 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2023-11-23 08:37:37,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2023-11-23 08:37:37,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 214. [2023-11-23 08:37:37,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 133 states have (on average 1.2706766917293233) internal successors, (169), 137 states have internal predecessors, (169), 55 states have call successors, (55), 20 states have call predecessors, (55), 25 states have return successors, (70), 56 states have call predecessors, (70), 54 states have call successors, (70) [2023-11-23 08:37:37,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 294 transitions. [2023-11-23 08:37:37,077 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 294 transitions. Word has length 219 [2023-11-23 08:37:37,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 08:37:37,079 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 294 transitions. [2023-11-23 08:37:37,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.6) internal successors, (76), 9 states have internal predecessors, (76), 3 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-23 08:37:37,079 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 294 transitions. [2023-11-23 08:37:37,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-11-23 08:37:37,082 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 08:37:37,082 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:37:37,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-23 08:37:37,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 08:37:37,298 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 08:37:37,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 08:37:37,300 INFO L85 PathProgramCache]: Analyzing trace with hash -2104850056, now seen corresponding path program 1 times [2023-11-23 08:37:37,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 08:37:37,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162437812] [2023-11-23 08:37:37,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:37:37,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 08:37:37,378 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 08:37:37,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [111435220] [2023-11-23 08:37:37,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:37:37,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 08:37:37,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 08:37:37,380 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 08:37:37,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-23 08:37:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:37,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 2640 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 08:37:37,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 08:37:37,897 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2023-11-23 08:37:37,899 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 08:37:37,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 08:37:37,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162437812] [2023-11-23 08:37:37,900 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 08:37:37,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111435220] [2023-11-23 08:37:37,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111435220] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 08:37:37,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 08:37:37,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 08:37:37,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184054443] [2023-11-23 08:37:37,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 08:37:37,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 08:37:37,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 08:37:37,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 08:37:37,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 08:37:37,904 INFO L87 Difference]: Start difference. First operand 214 states and 294 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-23 08:37:38,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 08:37:38,151 INFO L93 Difference]: Finished difference Result 397 states and 547 transitions. [2023-11-23 08:37:38,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 08:37:38,152 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) Word has length 222 [2023-11-23 08:37:38,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 08:37:38,153 INFO L225 Difference]: With dead ends: 397 [2023-11-23 08:37:38,153 INFO L226 Difference]: Without dead ends: 218 [2023-11-23 08:37:38,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 08:37:38,154 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 1 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 08:37:38,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 976 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 08:37:38,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2023-11-23 08:37:38,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2023-11-23 08:37:38,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 136 states have (on average 1.2647058823529411) internal successors, (172), 140 states have internal predecessors, (172), 55 states have call successors, (55), 20 states have call predecessors, (55), 26 states have return successors, (71), 57 states have call predecessors, (71), 54 states have call successors, (71) [2023-11-23 08:37:38,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 298 transitions. [2023-11-23 08:37:38,170 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 298 transitions. Word has length 222 [2023-11-23 08:37:38,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 08:37:38,171 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 298 transitions. [2023-11-23 08:37:38,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-23 08:37:38,171 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 298 transitions. [2023-11-23 08:37:38,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-11-23 08:37:38,172 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 08:37:38,173 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:37:38,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-23 08:37:38,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-23 08:37:38,388 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 08:37:38,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 08:37:38,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1072601124, now seen corresponding path program 1 times [2023-11-23 08:37:38,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 08:37:38,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87592763] [2023-11-23 08:37:38,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:37:38,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 08:37:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:39,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 08:37:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:39,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 08:37:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:39,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 08:37:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:39,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 08:37:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:39,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 08:37:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:39,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 08:37:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:39,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 08:37:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:39,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 08:37:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:39,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 08:37:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:39,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 08:37:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:40,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 08:37:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:40,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 08:37:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:40,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-23 08:37:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:40,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-23 08:37:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:40,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-23 08:37:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:40,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 08:37:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:40,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 08:37:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:40,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 08:37:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:40,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-23 08:37:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:40,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-23 08:37:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:40,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-23 08:37:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:40,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-23 08:37:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:40,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-23 08:37:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:40,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 08:37:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:40,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-23 08:37:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:40,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-23 08:37:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:40,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-23 08:37:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:40,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-23 08:37:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:40,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 08:37:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:40,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-23 08:37:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:40,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-23 08:37:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:40,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-23 08:37:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:40,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-23 08:37:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:40,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 08:37:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:40,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-23 08:37:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:40,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-11-23 08:37:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:40,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 08:37:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:40,372 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 735 trivial. 0 not checked. [2023-11-23 08:37:40,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 08:37:40,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87592763] [2023-11-23 08:37:40,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87592763] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 08:37:40,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 08:37:40,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-23 08:37:40,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666112643] [2023-11-23 08:37:40,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 08:37:40,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-23 08:37:40,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 08:37:40,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-23 08:37:40,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-11-23 08:37:40,378 INFO L87 Difference]: Start difference. First operand 218 states and 298 transitions. Second operand has 13 states, 11 states have (on average 6.454545454545454) internal successors, (71), 9 states have internal predecessors, (71), 4 states have call successors, (38), 5 states have call predecessors, (38), 3 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) [2023-11-23 08:37:42,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 08:37:42,206 INFO L93 Difference]: Finished difference Result 401 states and 557 transitions. [2023-11-23 08:37:42,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 08:37:42,207 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 6.454545454545454) internal successors, (71), 9 states have internal predecessors, (71), 4 states have call successors, (38), 5 states have call predecessors, (38), 3 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) Word has length 225 [2023-11-23 08:37:42,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 08:37:42,208 INFO L225 Difference]: With dead ends: 401 [2023-11-23 08:37:42,209 INFO L226 Difference]: Without dead ends: 234 [2023-11-23 08:37:42,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2023-11-23 08:37:42,210 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 373 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 1996 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 2221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 1996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-23 08:37:42,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 538 Invalid, 2221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 1996 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-23 08:37:42,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2023-11-23 08:37:42,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 222. [2023-11-23 08:37:42,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 139 states have (on average 1.2661870503597121) internal successors, (176), 144 states have internal predecessors, (176), 55 states have call successors, (55), 20 states have call predecessors, (55), 27 states have return successors, (72), 57 states have call predecessors, (72), 54 states have call successors, (72) [2023-11-23 08:37:42,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 303 transitions. [2023-11-23 08:37:42,222 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 303 transitions. Word has length 225 [2023-11-23 08:37:42,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 08:37:42,222 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 303 transitions. [2023-11-23 08:37:42,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 6.454545454545454) internal successors, (71), 9 states have internal predecessors, (71), 4 states have call successors, (38), 5 states have call predecessors, (38), 3 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) [2023-11-23 08:37:42,223 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 303 transitions. [2023-11-23 08:37:42,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-11-23 08:37:42,225 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 08:37:42,226 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:37:42,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-23 08:37:42,226 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 08:37:42,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 08:37:42,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1814640222, now seen corresponding path program 1 times [2023-11-23 08:37:42,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 08:37:42,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749251584] [2023-11-23 08:37:42,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:37:42,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 08:37:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 08:37:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 08:37:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 08:37:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 08:37:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 08:37:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 08:37:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 08:37:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 08:37:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 08:37:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 08:37:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 08:37:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 08:37:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-23 08:37:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-23 08:37:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-23 08:37:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 08:37:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 08:37:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 08:37:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-23 08:37:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-23 08:37:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-23 08:37:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-23 08:37:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-23 08:37:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 08:37:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-23 08:37:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-23 08:37:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-23 08:37:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-23 08:37:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 08:37:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-23 08:37:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-23 08:37:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-23 08:37:42,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-23 08:37:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 08:37:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-23 08:37:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-11-23 08:37:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 08:37:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:42,900 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 735 trivial. 0 not checked. [2023-11-23 08:37:42,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 08:37:42,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749251584] [2023-11-23 08:37:42,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749251584] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 08:37:42,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 08:37:42,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 08:37:42,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121251229] [2023-11-23 08:37:42,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 08:37:42,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 08:37:42,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 08:37:42,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 08:37:42,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-23 08:37:42,903 INFO L87 Difference]: Start difference. First operand 222 states and 303 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (38), 5 states have call predecessors, (38), 2 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-11-23 08:37:43,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 08:37:43,705 INFO L93 Difference]: Finished difference Result 406 states and 563 transitions. [2023-11-23 08:37:43,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 08:37:43,705 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (38), 5 states have call predecessors, (38), 2 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 225 [2023-11-23 08:37:43,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 08:37:43,706 INFO L225 Difference]: With dead ends: 406 [2023-11-23 08:37:43,706 INFO L226 Difference]: Without dead ends: 235 [2023-11-23 08:37:43,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2023-11-23 08:37:43,707 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 356 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 717 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 08:37:43,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 231 Invalid, 931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 717 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 08:37:43,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2023-11-23 08:37:43,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 224. [2023-11-23 08:37:43,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 140 states have (on average 1.2642857142857142) internal successors, (177), 145 states have internal predecessors, (177), 56 states have call successors, (56), 20 states have call predecessors, (56), 27 states have return successors, (76), 58 states have call predecessors, (76), 55 states have call successors, (76) [2023-11-23 08:37:43,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 309 transitions. [2023-11-23 08:37:43,721 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 309 transitions. Word has length 225 [2023-11-23 08:37:43,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 08:37:43,721 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 309 transitions. [2023-11-23 08:37:43,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (38), 5 states have call predecessors, (38), 2 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-11-23 08:37:43,721 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 309 transitions. [2023-11-23 08:37:43,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2023-11-23 08:37:43,723 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 08:37:43,724 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:37:43,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-23 08:37:43,724 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 08:37:43,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 08:37:43,724 INFO L85 PathProgramCache]: Analyzing trace with hash 808840107, now seen corresponding path program 1 times [2023-11-23 08:37:43,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 08:37:43,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973657646] [2023-11-23 08:37:43,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:37:43,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 08:37:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 08:37:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 08:37:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 08:37:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 08:37:44,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 08:37:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 08:37:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 08:37:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 08:37:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 08:37:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 08:37:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 08:37:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 08:37:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 08:37:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 08:37:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-23 08:37:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 08:37:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 08:37:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-23 08:37:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-23 08:37:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-23 08:37:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-23 08:37:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-23 08:37:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-23 08:37:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-23 08:37:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-23 08:37:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-23 08:37:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-23 08:37:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-23 08:37:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-23 08:37:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 08:37:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-11-23 08:37:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-23 08:37:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-11-23 08:37:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-11-23 08:37:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 08:37:44,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-11-23 08:37:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-23 08:37:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 08:37:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:44,721 INFO L134 CoverageAnalysis]: Checked inductivity of 753 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2023-11-23 08:37:44,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 08:37:44,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973657646] [2023-11-23 08:37:44,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973657646] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 08:37:44,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899926045] [2023-11-23 08:37:44,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:37:44,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 08:37:44,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 08:37:44,722 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 08:37:44,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-23 08:37:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:45,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 2667 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-23 08:37:45,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 08:37:45,363 INFO L134 CoverageAnalysis]: Checked inductivity of 753 backedges. 318 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-23 08:37:45,363 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 08:37:45,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899926045] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 08:37:45,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 08:37:45,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 17 [2023-11-23 08:37:45,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553340993] [2023-11-23 08:37:45,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 08:37:45,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 08:37:45,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 08:37:45,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 08:37:45,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2023-11-23 08:37:45,365 INFO L87 Difference]: Start difference. First operand 224 states and 309 transitions. Second operand has 9 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (39), 2 states have call predecessors, (39), 5 states have return successors, (36), 4 states have call predecessors, (36), 3 states have call successors, (36) [2023-11-23 08:37:45,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 08:37:45,864 INFO L93 Difference]: Finished difference Result 404 states and 561 transitions. [2023-11-23 08:37:45,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 08:37:45,864 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (39), 2 states have call predecessors, (39), 5 states have return successors, (36), 4 states have call predecessors, (36), 3 states have call successors, (36) Word has length 234 [2023-11-23 08:37:45,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 08:37:45,866 INFO L225 Difference]: With dead ends: 404 [2023-11-23 08:37:45,866 INFO L226 Difference]: Without dead ends: 231 [2023-11-23 08:37:45,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2023-11-23 08:37:45,867 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 3 mSDsluCounter, 1534 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1760 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 08:37:45,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1760 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 08:37:45,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2023-11-23 08:37:45,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 224. [2023-11-23 08:37:45,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 140 states have (on average 1.2642857142857142) internal successors, (177), 145 states have internal predecessors, (177), 56 states have call successors, (56), 20 states have call predecessors, (56), 27 states have return successors, (76), 58 states have call predecessors, (76), 55 states have call successors, (76) [2023-11-23 08:37:45,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 309 transitions. [2023-11-23 08:37:45,876 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 309 transitions. Word has length 234 [2023-11-23 08:37:45,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 08:37:45,877 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 309 transitions. [2023-11-23 08:37:45,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (39), 2 states have call predecessors, (39), 5 states have return successors, (36), 4 states have call predecessors, (36), 3 states have call successors, (36) [2023-11-23 08:37:45,877 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 309 transitions. [2023-11-23 08:37:45,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-11-23 08:37:45,879 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 08:37:45,879 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:37:45,917 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-23 08:37:46,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 08:37:46,097 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 08:37:46,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 08:37:46,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1964254097, now seen corresponding path program 1 times [2023-11-23 08:37:46,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 08:37:46,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708994204] [2023-11-23 08:37:46,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:37:46,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 08:37:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 08:37:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 08:37:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 08:37:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 08:37:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 08:37:46,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 08:37:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 08:37:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 08:37:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 08:37:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 08:37:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 08:37:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 08:37:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 08:37:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 08:37:46,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-23 08:37:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-23 08:37:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 08:37:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-23 08:37:46,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-23 08:37:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-23 08:37:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-23 08:37:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-23 08:37:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-23 08:37:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-23 08:37:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-23 08:37:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-23 08:37:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-23 08:37:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-23 08:37:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-23 08:37:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-23 08:37:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 08:37:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-23 08:37:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-23 08:37:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-11-23 08:37:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-23 08:37:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 08:37:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-23 08:37:46,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-11-23 08:37:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 08:37:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:46,975 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 33 proven. 23 refuted. 0 times theorem prover too weak. 719 trivial. 0 not checked. [2023-11-23 08:37:46,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 08:37:46,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708994204] [2023-11-23 08:37:46,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708994204] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 08:37:46,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094306481] [2023-11-23 08:37:46,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:37:46,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 08:37:46,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 08:37:46,977 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 08:37:46,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-23 08:37:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:47,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 2698 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-23 08:37:47,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 08:37:47,641 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 338 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2023-11-23 08:37:47,642 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 08:37:47,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2094306481] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 08:37:47,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 08:37:47,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [9] total 18 [2023-11-23 08:37:47,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273294695] [2023-11-23 08:37:47,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 08:37:47,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-23 08:37:47,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 08:37:47,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-23 08:37:47,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=270, Unknown=0, NotChecked=0, Total=306 [2023-11-23 08:37:47,643 INFO L87 Difference]: Start difference. First operand 224 states and 309 transitions. Second operand has 12 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 states have internal predecessors, (87), 3 states have call successors, (40), 2 states have call predecessors, (40), 6 states have return successors, (37), 5 states have call predecessors, (37), 3 states have call successors, (37) [2023-11-23 08:37:48,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 08:37:48,291 INFO L93 Difference]: Finished difference Result 404 states and 561 transitions. [2023-11-23 08:37:48,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 08:37:48,291 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 states have internal predecessors, (87), 3 states have call successors, (40), 2 states have call predecessors, (40), 6 states have return successors, (37), 5 states have call predecessors, (37), 3 states have call successors, (37) Word has length 240 [2023-11-23 08:37:48,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 08:37:48,293 INFO L225 Difference]: With dead ends: 404 [2023-11-23 08:37:48,293 INFO L226 Difference]: Without dead ends: 231 [2023-11-23 08:37:48,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-23 08:37:48,294 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 3 mSDsluCounter, 2209 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2435 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 08:37:48,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2435 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 08:37:48,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2023-11-23 08:37:48,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 224. [2023-11-23 08:37:48,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 140 states have (on average 1.2642857142857142) internal successors, (177), 145 states have internal predecessors, (177), 56 states have call successors, (56), 20 states have call predecessors, (56), 27 states have return successors, (76), 58 states have call predecessors, (76), 55 states have call successors, (76) [2023-11-23 08:37:48,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 309 transitions. [2023-11-23 08:37:48,306 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 309 transitions. Word has length 240 [2023-11-23 08:37:48,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 08:37:48,306 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 309 transitions. [2023-11-23 08:37:48,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 states have internal predecessors, (87), 3 states have call successors, (40), 2 states have call predecessors, (40), 6 states have return successors, (37), 5 states have call predecessors, (37), 3 states have call successors, (37) [2023-11-23 08:37:48,307 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 309 transitions. [2023-11-23 08:37:48,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2023-11-23 08:37:48,309 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 08:37:48,309 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:37:48,336 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-23 08:37:48,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-23 08:37:48,525 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 08:37:48,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 08:37:48,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1326460470, now seen corresponding path program 1 times [2023-11-23 08:37:48,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 08:37:48,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932471117] [2023-11-23 08:37:48,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:37:48,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 08:37:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:48,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 08:37:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:48,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 08:37:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 08:37:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 08:37:49,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 08:37:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 08:37:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 08:37:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 08:37:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 08:37:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 08:37:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 08:37:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 08:37:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 08:37:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 08:37:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-23 08:37:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-23 08:37:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 08:37:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 08:37:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 08:37:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-23 08:37:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 08:37:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-23 08:37:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-23 08:37:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-23 08:37:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-23 08:37:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 08:37:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 08:37:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-23 08:37:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-23 08:37:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-23 08:37:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 08:37:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-23 08:37:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-23 08:37:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-23 08:37:49,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-23 08:37:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 08:37:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-23 08:37:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-23 08:37:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 08:37:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,338 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 33 proven. 23 refuted. 0 times theorem prover too weak. 725 trivial. 0 not checked. [2023-11-23 08:37:49,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 08:37:49,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932471117] [2023-11-23 08:37:49,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932471117] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 08:37:49,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415571641] [2023-11-23 08:37:49,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:37:49,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 08:37:49,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 08:37:49,340 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 08:37:49,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-23 08:37:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:37:49,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 2702 conjuncts, 78 conjunts are in the unsatisfiable core [2023-11-23 08:37:49,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 08:37:50,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-23 08:37:50,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-23 08:37:50,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2023-11-23 08:37:50,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 08:37:50,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 23 [2023-11-23 08:37:50,743 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 292 proven. 2 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2023-11-23 08:37:50,743 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 08:37:51,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415571641] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 08:37:51,181 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 08:37:51,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 18] total 25 [2023-11-23 08:37:51,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480843221] [2023-11-23 08:37:51,181 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 08:37:51,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-23 08:37:51,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 08:37:51,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-23 08:37:51,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=791, Unknown=0, NotChecked=0, Total=870 [2023-11-23 08:37:51,183 INFO L87 Difference]: Start difference. First operand 224 states and 309 transitions. Second operand has 25 states, 20 states have (on average 6.8) internal successors, (136), 19 states have internal predecessors, (136), 8 states have call successors, (75), 6 states have call predecessors, (75), 9 states have return successors, (69), 8 states have call predecessors, (69), 8 states have call successors, (69) [2023-11-23 08:37:53,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 08:37:55,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 08:38:00,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 08:38:00,059 INFO L93 Difference]: Finished difference Result 462 states and 639 transitions. [2023-11-23 08:38:00,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-23 08:38:00,060 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 20 states have (on average 6.8) internal successors, (136), 19 states have internal predecessors, (136), 8 states have call successors, (75), 6 states have call predecessors, (75), 9 states have return successors, (69), 8 states have call predecessors, (69), 8 states have call successors, (69) Word has length 242 [2023-11-23 08:38:00,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 08:38:00,061 INFO L225 Difference]: With dead ends: 462 [2023-11-23 08:38:00,061 INFO L226 Difference]: Without dead ends: 235 [2023-11-23 08:38:00,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 524 GetRequests, 473 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 476 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=307, Invalid=2449, Unknown=0, NotChecked=0, Total=2756 [2023-11-23 08:38:00,063 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 216 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 3515 mSolverCounterSat, 97 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 3613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 3515 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2023-11-23 08:38:00,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 878 Invalid, 3613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 3515 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2023-11-23 08:38:00,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2023-11-23 08:38:00,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 226. [2023-11-23 08:38:00,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 141 states have (on average 1.2624113475177305) internal successors, (178), 147 states have internal predecessors, (178), 56 states have call successors, (56), 20 states have call predecessors, (56), 28 states have return successors, (78), 58 states have call predecessors, (78), 55 states have call successors, (78) [2023-11-23 08:38:00,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 312 transitions. [2023-11-23 08:38:00,074 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 312 transitions. Word has length 242 [2023-11-23 08:38:00,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 08:38:00,074 INFO L495 AbstractCegarLoop]: Abstraction has 226 states and 312 transitions. [2023-11-23 08:38:00,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 20 states have (on average 6.8) internal successors, (136), 19 states have internal predecessors, (136), 8 states have call successors, (75), 6 states have call predecessors, (75), 9 states have return successors, (69), 8 states have call predecessors, (69), 8 states have call successors, (69) [2023-11-23 08:38:00,074 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 312 transitions. [2023-11-23 08:38:00,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2023-11-23 08:38:00,075 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 08:38:00,076 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:38:00,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-23 08:38:00,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-23 08:38:00,292 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 08:38:00,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 08:38:00,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1084292300, now seen corresponding path program 1 times [2023-11-23 08:38:00,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 08:38:00,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22838287] [2023-11-23 08:38:00,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:38:00,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 08:38:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 08:38:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 08:38:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 08:38:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 08:38:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 08:38:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 08:38:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 08:38:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 08:38:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-23 08:38:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 08:38:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 08:38:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-23 08:38:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 08:38:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 08:38:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-23 08:38:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-23 08:38:00,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 08:38:00,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-23 08:38:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-23 08:38:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-23 08:38:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-23 08:38:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-23 08:38:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 08:38:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 08:38:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-23 08:38:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-23 08:38:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-23 08:38:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-23 08:38:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-23 08:38:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-23 08:38:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-23 08:38:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 08:38:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-11-23 08:38:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-23 08:38:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-23 08:38:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-11-23 08:38:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:00,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 08:38:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:01,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-23 08:38:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:01,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-11-23 08:38:01,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:01,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 08:38:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:01,039 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2023-11-23 08:38:01,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 08:38:01,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22838287] [2023-11-23 08:38:01,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22838287] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 08:38:01,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803697175] [2023-11-23 08:38:01,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:38:01,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 08:38:01,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 08:38:01,041 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 08:38:01,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-23 08:38:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:38:01,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 2757 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 08:38:01,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 08:38:01,798 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 406 proven. 46 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2023-11-23 08:38:01,799 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 08:38:01,958 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2023-11-23 08:38:01,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803697175] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 08:38:01,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 08:38:01,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 15 [2023-11-23 08:38:01,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927259203] [2023-11-23 08:38:01,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 08:38:01,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-23 08:38:01,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 08:38:01,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-23 08:38:01,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2023-11-23 08:38:01,961 INFO L87 Difference]: Start difference. First operand 226 states and 312 transitions. Second operand has 15 states, 15 states have (on average 11.733333333333333) internal successors, (176), 12 states have internal predecessors, (176), 9 states have call successors, (98), 6 states have call predecessors, (98), 5 states have return successors, (92), 9 states have call predecessors, (92), 9 states have call successors, (92) [2023-11-23 08:38:02,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 08:38:02,900 INFO L93 Difference]: Finished difference Result 296 states and 400 transitions. [2023-11-23 08:38:02,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 08:38:02,901 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 11.733333333333333) internal successors, (176), 12 states have internal predecessors, (176), 9 states have call successors, (98), 6 states have call predecessors, (98), 5 states have return successors, (92), 9 states have call predecessors, (92), 9 states have call successors, (92) Word has length 252 [2023-11-23 08:38:02,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 08:38:02,901 INFO L225 Difference]: With dead ends: 296 [2023-11-23 08:38:02,901 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 08:38:02,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 595 GetRequests, 575 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2023-11-23 08:38:02,902 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 301 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-23 08:38:02,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 478 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-23 08:38:02,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 08:38:02,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 08:38:02,903 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 08:38:02,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 08:38:02,903 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 252 [2023-11-23 08:38:02,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 08:38:02,903 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 08:38:02,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 11.733333333333333) internal successors, (176), 12 states have internal predecessors, (176), 9 states have call successors, (98), 6 states have call predecessors, (98), 5 states have return successors, (92), 9 states have call predecessors, (92), 9 states have call successors, (92) [2023-11-23 08:38:02,903 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 08:38:02,903 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 08:38:02,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 08:38:02,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-23 08:38:03,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-23 08:38:03,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 08:38:03,880 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 6931 6936) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2023-11-23 08:38:03,880 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6931 6936) no Hoare annotation was computed. [2023-11-23 08:38:03,880 INFO L899 garLoopResultBuilder]: For program point L6932-1(lines 6932 6934) no Hoare annotation was computed. [2023-11-23 08:38:03,880 INFO L895 garLoopResultBuilder]: At program point L6932(lines 6932 6934) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2023-11-23 08:38:03,881 INFO L899 garLoopResultBuilder]: For program point L9956-7(line 9956) no Hoare annotation was computed. [2023-11-23 08:38:03,881 INFO L899 garLoopResultBuilder]: For program point L9956-3(line 9956) no Hoare annotation was computed. [2023-11-23 08:38:03,881 INFO L895 garLoopResultBuilder]: At program point L9956-4(line 9956) the Hoare annotation is: (let ((.cse4 (select (select |#memory_$Pointer$.base| |aws_hash_table_is_valid_#in~map.base|) |aws_hash_table_is_valid_#in~map.offset|))) (let ((.cse0 (or (= .cse4 0) |aws_hash_table_is_valid_#t~short1490|)) (.cse2 (= |aws_hash_table_is_valid_#in~map.base| aws_hash_table_is_valid_~map.base)) (.cse1 (= aws_hash_table_is_valid_~map.offset |aws_hash_table_is_valid_#in~map.offset|))) (and (or (and .cse0 .cse1 .cse2) (< |#StackHeapBarrier| 1)) (or (forall ((|v_ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset_BEFORE_CALL_8| Int)) (let ((.cse3 (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset_BEFORE_CALL_8|))) (or (not (= (mod (* 18446744073709551615 (select (select |#memory_int| .cse3) (+ 40 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset_BEFORE_CALL_8|)))) 18446744073709551616) 0)) (< |v_ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base_BEFORE_CALL_8| (+ .cse3 2))))) (and (= |aws_hash_table_is_valid_#t~mem1488.base| .cse4) .cse0 .cse1 .cse2 (= |aws_hash_table_is_valid_#t~mem1488.offset| (select (select |#memory_$Pointer$.offset| |aws_hash_table_is_valid_#in~map.base|) |aws_hash_table_is_valid_#in~map.offset|))) (and (= |aws_hash_table_is_valid_#in~map.base| 0) (= aws_hash_table_is_valid_~map.base 0) (or (= (select (select |#memory_$Pointer$.base| 0) |aws_hash_table_is_valid_#in~map.offset|) 0) |aws_hash_table_is_valid_#t~short1490|) .cse1))))) [2023-11-23 08:38:03,881 INFO L899 garLoopResultBuilder]: For program point L9956-5(line 9956) no Hoare annotation was computed. [2023-11-23 08:38:03,881 INFO L899 garLoopResultBuilder]: For program point aws_hash_table_is_validEXIT(lines 9954 9957) no Hoare annotation was computed. [2023-11-23 08:38:03,881 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9954 9957) the Hoare annotation is: true [2023-11-23 08:38:03,881 INFO L899 garLoopResultBuilder]: For program point L9956(line 9956) no Hoare annotation was computed. [2023-11-23 08:38:03,881 INFO L899 garLoopResultBuilder]: For program point L9956-2(line 9956) no Hoare annotation was computed. [2023-11-23 08:38:03,881 INFO L902 garLoopResultBuilder]: At program point L9606-5(line 9606) the Hoare annotation is: true [2023-11-23 08:38:03,881 INFO L899 garLoopResultBuilder]: For program point L9606-6(lines 9569 9607) no Hoare annotation was computed. [2023-11-23 08:38:03,881 INFO L902 garLoopResultBuilder]: At program point L9583-2(lines 9583 9602) the Hoare annotation is: true [2023-11-23 08:38:03,882 INFO L899 garLoopResultBuilder]: For program point L9584-4(line 9584) no Hoare annotation was computed. [2023-11-23 08:38:03,882 INFO L899 garLoopResultBuilder]: For program point L9584(line 9584) no Hoare annotation was computed. [2023-11-23 08:38:03,882 INFO L899 garLoopResultBuilder]: For program point L9584-2(line 9584) no Hoare annotation was computed. [2023-11-23 08:38:03,882 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9569 9607) the Hoare annotation is: true [2023-11-23 08:38:03,882 INFO L899 garLoopResultBuilder]: For program point L9107(lines 9107 9111) no Hoare annotation was computed. [2023-11-23 08:38:03,882 INFO L902 garLoopResultBuilder]: At program point L9570(line 9570) the Hoare annotation is: true [2023-11-23 08:38:03,882 INFO L899 garLoopResultBuilder]: For program point L9595(line 9595) no Hoare annotation was computed. [2023-11-23 08:38:03,882 INFO L902 garLoopResultBuilder]: At program point L9570-1(line 9570) the Hoare annotation is: true [2023-11-23 08:38:03,882 INFO L899 garLoopResultBuilder]: For program point L9570-2(line 9570) no Hoare annotation was computed. [2023-11-23 08:38:03,882 INFO L902 garLoopResultBuilder]: At program point L9108(line 9108) the Hoare annotation is: true [2023-11-23 08:38:03,882 INFO L902 garLoopResultBuilder]: At program point L9108-1(line 9108) the Hoare annotation is: true [2023-11-23 08:38:03,882 INFO L899 garLoopResultBuilder]: For program point L9587(lines 9587 9589) no Hoare annotation was computed. [2023-11-23 08:38:03,882 INFO L899 garLoopResultBuilder]: For program point L9108-2(line 9108) no Hoare annotation was computed. [2023-11-23 08:38:03,882 INFO L899 garLoopResultBuilder]: For program point L9595-2(line 9595) no Hoare annotation was computed. [2023-11-23 08:38:03,882 INFO L899 garLoopResultBuilder]: For program point L9595-4(lines 9595 9597) no Hoare annotation was computed. [2023-11-23 08:38:03,882 INFO L902 garLoopResultBuilder]: At program point L9571(line 9571) the Hoare annotation is: true [2023-11-23 08:38:03,882 INFO L899 garLoopResultBuilder]: For program point L9571-1(line 9571) no Hoare annotation was computed. [2023-11-23 08:38:03,882 INFO L899 garLoopResultBuilder]: For program point L9605(line 9605) no Hoare annotation was computed. [2023-11-23 08:38:03,883 INFO L899 garLoopResultBuilder]: For program point L9572(line 9572) no Hoare annotation was computed. [2023-11-23 08:38:03,883 INFO L899 garLoopResultBuilder]: For program point L9605-1(line 9605) no Hoare annotation was computed. [2023-11-23 08:38:03,883 INFO L902 garLoopResultBuilder]: At program point L9605-2(line 9605) the Hoare annotation is: true [2023-11-23 08:38:03,883 INFO L902 garLoopResultBuilder]: At program point L9572-2(line 9572) the Hoare annotation is: true [2023-11-23 08:38:03,883 INFO L899 garLoopResultBuilder]: For program point L9572-3(line 9572) no Hoare annotation was computed. [2023-11-23 08:38:03,883 INFO L899 garLoopResultBuilder]: For program point L9110-1(line 9110) no Hoare annotation was computed. [2023-11-23 08:38:03,883 INFO L902 garLoopResultBuilder]: At program point L9110-2(line 9110) the Hoare annotation is: true [2023-11-23 08:38:03,883 INFO L899 garLoopResultBuilder]: For program point L9110-3(line 9110) no Hoare annotation was computed. [2023-11-23 08:38:03,883 INFO L899 garLoopResultBuilder]: For program point s_remove_entryEXIT(lines 9569 9607) no Hoare annotation was computed. [2023-11-23 08:38:03,883 INFO L902 garLoopResultBuilder]: At program point L9110-5(line 9110) the Hoare annotation is: true [2023-11-23 08:38:03,883 INFO L899 garLoopResultBuilder]: For program point L9110-6(line 9110) no Hoare annotation was computed. [2023-11-23 08:38:03,883 INFO L902 garLoopResultBuilder]: At program point L9110-8(line 9110) the Hoare annotation is: true [2023-11-23 08:38:03,883 INFO L899 garLoopResultBuilder]: For program point L9606-1(line 9606) no Hoare annotation was computed. [2023-11-23 08:38:03,883 INFO L902 garLoopResultBuilder]: At program point L9606-3(line 9606) the Hoare annotation is: true [2023-11-23 08:38:03,883 INFO L899 garLoopResultBuilder]: For program point L9606-4(line 9606) no Hoare annotation was computed. [2023-11-23 08:38:03,884 INFO L899 garLoopResultBuilder]: For program point L9606(line 9606) no Hoare annotation was computed. [2023-11-23 08:38:03,884 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2023-11-23 08:38:03,884 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 261) the Hoare annotation is: true [2023-11-23 08:38:03,884 INFO L902 garLoopResultBuilder]: At program point L10074(line 10074) the Hoare annotation is: true [2023-11-23 08:38:03,884 INFO L899 garLoopResultBuilder]: For program point L10070-1(line 10070) no Hoare annotation was computed. [2023-11-23 08:38:03,884 INFO L899 garLoopResultBuilder]: For program point L10070-2(lines 10070 10072) no Hoare annotation was computed. [2023-11-23 08:38:03,885 INFO L899 garLoopResultBuilder]: For program point L10074-1(line 10074) no Hoare annotation was computed. [2023-11-23 08:38:03,885 INFO L899 garLoopResultBuilder]: For program point L10074-2(lines 10074 10076) no Hoare annotation was computed. [2023-11-23 08:38:03,885 INFO L899 garLoopResultBuilder]: For program point hash_table_state_required_bytesEXIT(lines 10067 10079) no Hoare annotation was computed. [2023-11-23 08:38:03,885 INFO L895 garLoopResultBuilder]: At program point L10070(line 10070) the Hoare annotation is: (= ~tl_last_error~0 |old(~tl_last_error~0)|) [2023-11-23 08:38:03,885 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 10067 10079) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$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 08:38:03,920 INFO L899 garLoopResultBuilder]: For program point hash_table_state_required_bytesFINAL(lines 10067 10079) no Hoare annotation was computed. [2023-11-23 08:38:03,920 INFO L899 garLoopResultBuilder]: For program point L10042(line 10042) no Hoare annotation was computed. [2023-11-23 08:38:03,920 INFO L899 garLoopResultBuilder]: For program point L10030-1(lines 10030 10034) no Hoare annotation was computed. [2023-11-23 08:38:03,920 INFO L895 garLoopResultBuilder]: At program point L10030(line 10030) the Hoare annotation is: (or (and (= |aws_hash_iter_is_valid_#in~iter.base| 0) (= aws_hash_iter_is_valid_~iter.base 0)) (< |#StackHeapBarrier| 1)) [2023-11-23 08:38:03,921 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 10018 10059) the Hoare annotation is: true [2023-11-23 08:38:03,921 INFO L899 garLoopResultBuilder]: For program point L10020(lines 10020 10024) no Hoare annotation was computed. [2023-11-23 08:38:03,921 INFO L899 garLoopResultBuilder]: For program point L10051(line 10051) no Hoare annotation was computed. [2023-11-23 08:38:03,921 INFO L899 garLoopResultBuilder]: For program point L10051-1(line 10051) no Hoare annotation was computed. [2023-11-23 08:38:03,921 INFO L899 garLoopResultBuilder]: For program point L10045(line 10045) no Hoare annotation was computed. [2023-11-23 08:38:03,921 INFO L899 garLoopResultBuilder]: For program point L10045-1(line 10045) no Hoare annotation was computed. [2023-11-23 08:38:03,921 INFO L899 garLoopResultBuilder]: For program point L10045-3(line 10045) no Hoare annotation was computed. [2023-11-23 08:38:03,921 INFO L899 garLoopResultBuilder]: For program point L10051-3(line 10051) no Hoare annotation was computed. [2023-11-23 08:38:03,921 INFO L899 garLoopResultBuilder]: For program point aws_hash_iter_is_validEXIT(lines 10018 10059) no Hoare annotation was computed. [2023-11-23 08:38:03,922 INFO L899 garLoopResultBuilder]: For program point L10035(lines 10035 10039) no Hoare annotation was computed. [2023-11-23 08:38:03,922 INFO L899 garLoopResultBuilder]: For program point L10025(lines 10025 10029) no Hoare annotation was computed. [2023-11-23 08:38:03,922 INFO L899 garLoopResultBuilder]: For program point aws_hash_iter_is_validFINAL(lines 10018 10059) no Hoare annotation was computed. [2023-11-23 08:38:03,922 INFO L899 garLoopResultBuilder]: For program point aws_mul_size_checkedEXIT(lines 2586 2594) no Hoare annotation was computed. [2023-11-23 08:38:03,922 INFO L899 garLoopResultBuilder]: For program point L2498-1(lines 2498 2499) no Hoare annotation was computed. [2023-11-23 08:38:03,922 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 2586 2594) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|)) (< |#StackHeapBarrier| 1)) [2023-11-23 08:38:03,922 INFO L899 garLoopResultBuilder]: For program point aws_mul_u64_checked_returnLabel#1(lines 2497 2502) no Hoare annotation was computed. [2023-11-23 08:38:03,922 INFO L895 garLoopResultBuilder]: At program point L2498(line 2498) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$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|)) (< |#StackHeapBarrier| 1)) [2023-11-23 08:38:03,923 INFO L899 garLoopResultBuilder]: For program point L2499-1(line 2499) no Hoare annotation was computed. [2023-11-23 08:38:03,923 INFO L895 garLoopResultBuilder]: At program point L2499(line 2499) the Hoare annotation is: (or (= ~tl_last_error~0 |old(~tl_last_error~0)|) (< |#StackHeapBarrier| 1)) [2023-11-23 08:38:03,923 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2023-11-23 08:38:03,923 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 266) the Hoare annotation is: true [2023-11-23 08:38:03,923 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2023-11-23 08:38:03,923 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-23 08:38:03,923 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 248 251) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (< |#StackHeapBarrier| 1)) [2023-11-23 08:38:03,923 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_plusEXIT(lines 248 251) no Hoare annotation was computed. [2023-11-23 08:38:03,923 INFO L899 garLoopResultBuilder]: For program point hash_table_state_is_validEXIT(lines 9965 10012) no Hoare annotation was computed. [2023-11-23 08:38:03,924 INFO L899 garLoopResultBuilder]: For program point L9967(lines 9967 9971) no Hoare annotation was computed. [2023-11-23 08:38:03,924 INFO L899 garLoopResultBuilder]: For program point hash_table_state_is_validFINAL(lines 9965 10012) no Hoare annotation was computed. [2023-11-23 08:38:03,924 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9965 10012) the Hoare annotation is: true [2023-11-23 08:38:03,924 INFO L895 garLoopResultBuilder]: At program point L9993(line 9993) the Hoare annotation is: (let ((.cse1 (= hash_table_state_is_valid_~map.offset |hash_table_state_is_valid_#in~map.offset|)) (.cse2 (or (and (= hash_table_state_is_valid_~size_at_least_two~0 0) (exists ((hash_table_state_is_valid_~map.base Int) (hash_table_state_is_valid_~map.offset Int)) (let ((.cse4 (select (select |#memory_int| hash_table_state_is_valid_~map.base) (+ 40 hash_table_state_is_valid_~map.offset)))) (and (<= (mod .cse4 18446744073709551616) 1) (= .cse4 |hash_table_state_is_valid_#t~mem1495|))))) (and (exists ((hash_table_state_is_valid_~map.base Int) (hash_table_state_is_valid_~map.offset Int)) (let ((.cse5 (select (select |#memory_int| hash_table_state_is_valid_~map.base) (+ 40 hash_table_state_is_valid_~map.offset)))) (and (= .cse5 |hash_table_state_is_valid_#t~mem1495|) (<= 2 (mod .cse5 18446744073709551616))))) (= hash_table_state_is_valid_~size_at_least_two~0 1)))) (.cse3 (= |hash_table_state_is_valid_#in~map.base| hash_table_state_is_valid_~map.base))) (and (or (not (= |hash_table_state_is_valid_#in~map.offset| 0)) (not (= |hash_table_state_is_valid_#in~map.base| 0))) (or (forall ((|v_ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset_BEFORE_CALL_8| Int)) (let ((.cse0 (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset_BEFORE_CALL_8|))) (or (not (= (mod (* 18446744073709551615 (select (select |#memory_int| .cse0) (+ 40 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset_BEFORE_CALL_8|)))) 18446744073709551616) 0)) (< |v_ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base_BEFORE_CALL_8| (+ .cse0 2))))) (and .cse1 .cse2 (= |hash_table_state_is_valid_#t~mem1495| (select (select |#memory_int| |hash_table_state_is_valid_#in~map.base|) (+ 40 |hash_table_state_is_valid_#in~map.offset|))) .cse3)) (or (< |#StackHeapBarrier| 1) (and .cse1 .cse2 .cse3)))) [2023-11-23 08:38:03,924 INFO L899 garLoopResultBuilder]: For program point L9993-1(line 9993) no Hoare annotation was computed. [2023-11-23 08:38:03,925 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-23 08:38:03,925 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-23 08:38:03,925 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-23 08:38:03,925 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2023-11-23 08:38:03,925 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 210 212) the Hoare annotation is: true [2023-11-23 08:38:03,925 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2023-11-23 08:38:03,925 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2023-11-23 08:38:03,925 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 1988 1999) the Hoare annotation is: (or (= ~tl_last_error~0 |old(~tl_last_error~0)|) (< |#StackHeapBarrier| 1)) [2023-11-23 08:38:03,926 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2023-11-23 08:38:03,926 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_multEXIT(lines 253 256) no Hoare annotation was computed. [2023-11-23 08:38:03,926 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 253 256) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (< |#StackHeapBarrier| 1)) [2023-11-23 08:38:03,926 INFO L899 garLoopResultBuilder]: For program point L2630-5(line 2630) no Hoare annotation was computed. [2023-11-23 08:38:03,926 INFO L899 garLoopResultBuilder]: For program point L2630-7(line 2630) no Hoare annotation was computed. [2023-11-23 08:38:03,926 INFO L899 garLoopResultBuilder]: For program point aws_is_power_of_twoEXIT(lines 2626 2631) no Hoare annotation was computed. [2023-11-23 08:38:03,926 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2626 2631) the Hoare annotation is: true [2023-11-23 08:38:03,926 INFO L899 garLoopResultBuilder]: For program point L2630(line 2630) no Hoare annotation was computed. [2023-11-23 08:38:03,927 INFO L899 garLoopResultBuilder]: For program point L2630-1(line 2630) no Hoare annotation was computed. [2023-11-23 08:38:03,927 INFO L899 garLoopResultBuilder]: For program point L2630-3(line 2630) no Hoare annotation was computed. [2023-11-23 08:38:03,927 INFO L895 garLoopResultBuilder]: At program point L2542(line 2542) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$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|)) (< |#StackHeapBarrier| 1)) [2023-11-23 08:38:03,927 INFO L899 garLoopResultBuilder]: For program point L2543-1(line 2543) no Hoare annotation was computed. [2023-11-23 08:38:03,927 INFO L895 garLoopResultBuilder]: At program point L2543(line 2543) the Hoare annotation is: (or (= ~tl_last_error~0 |old(~tl_last_error~0)|) (< |#StackHeapBarrier| 1)) [2023-11-23 08:38:03,927 INFO L899 garLoopResultBuilder]: For program point L2542-1(lines 2542 2543) no Hoare annotation was computed. [2023-11-23 08:38:03,927 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 2613 2621) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$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|)) (< |#StackHeapBarrier| 1)) [2023-11-23 08:38:03,927 INFO L899 garLoopResultBuilder]: For program point aws_add_u64_checked_returnLabel#1(lines 2541 2546) no Hoare annotation was computed. [2023-11-23 08:38:03,928 INFO L899 garLoopResultBuilder]: For program point aws_add_size_checkedEXIT(lines 2613 2621) no Hoare annotation was computed. [2023-11-23 08:38:03,928 INFO L902 garLoopResultBuilder]: At program point L9850(line 9850) the Hoare annotation is: true [2023-11-23 08:38:03,928 INFO L899 garLoopResultBuilder]: For program point L9858-2(lines 9858 9860) no Hoare annotation was computed. [2023-11-23 08:38:03,928 INFO L899 garLoopResultBuilder]: For program point L9858-4(lines 9858 9860) no Hoare annotation was computed. [2023-11-23 08:38:03,928 INFO L902 garLoopResultBuilder]: At program point L9842(line 9842) the Hoare annotation is: true [2023-11-23 08:38:03,928 INFO L899 garLoopResultBuilder]: For program point L9850-1(line 9850) no Hoare annotation was computed. [2023-11-23 08:38:03,928 INFO L902 garLoopResultBuilder]: At program point L9842-1(line 9842) the Hoare annotation is: true [2023-11-23 08:38:03,928 INFO L899 garLoopResultBuilder]: For program point L9842-2(line 9842) no Hoare annotation was computed. [2023-11-23 08:38:03,928 INFO L902 garLoopResultBuilder]: At program point L9843(line 9843) the Hoare annotation is: true [2023-11-23 08:38:03,929 INFO L899 garLoopResultBuilder]: For program point L9843-1(line 9843) no Hoare annotation was computed. [2023-11-23 08:38:03,929 INFO L899 garLoopResultBuilder]: For program point L9852(lines 9852 9854) no Hoare annotation was computed. [2023-11-23 08:38:03,929 INFO L899 garLoopResultBuilder]: For program point aws_hash_iter_deleteEXIT(lines 9837 9870) no Hoare annotation was computed. [2023-11-23 08:38:03,929 INFO L899 garLoopResultBuilder]: For program point L9848(lines 9848 9855) no Hoare annotation was computed. [2023-11-23 08:38:03,929 INFO L899 garLoopResultBuilder]: For program point L9848-1(lines 9848 9855) no Hoare annotation was computed. [2023-11-23 08:38:03,929 INFO L902 garLoopResultBuilder]: At program point L9869(line 9869) the Hoare annotation is: true [2023-11-23 08:38:03,929 INFO L902 garLoopResultBuilder]: At program point L9869-1(line 9869) the Hoare annotation is: true [2023-11-23 08:38:03,929 INFO L899 garLoopResultBuilder]: For program point L9869-2(line 9869) no Hoare annotation was computed. [2023-11-23 08:38:03,929 INFO L902 garLoopResultBuilder]: At program point L9840(line 9840) the Hoare annotation is: true [2023-11-23 08:38:03,930 INFO L899 garLoopResultBuilder]: For program point L9840-1(line 9840) no Hoare annotation was computed. [2023-11-23 08:38:03,930 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9837 9870) the Hoare annotation is: true [2023-11-23 08:38:03,930 INFO L902 garLoopResultBuilder]: At program point L9853(line 9853) the Hoare annotation is: true [2023-11-23 08:38:03,930 INFO L899 garLoopResultBuilder]: For program point L9853-1(line 9853) no Hoare annotation was computed. [2023-11-23 08:38:03,930 INFO L902 garLoopResultBuilder]: At program point L9857(line 9857) the Hoare annotation is: true [2023-11-23 08:38:03,930 INFO L899 garLoopResultBuilder]: For program point L9857-1(line 9857) no Hoare annotation was computed. [2023-11-23 08:38:03,930 INFO L899 garLoopResultBuilder]: For program point L9849(lines 9849 9851) no Hoare annotation was computed. [2023-11-23 08:38:03,930 INFO L899 garLoopResultBuilder]: For program point L9849-2(lines 9849 9851) no Hoare annotation was computed. [2023-11-23 08:38:03,931 INFO L902 garLoopResultBuilder]: At program point L9866(line 9866) the Hoare annotation is: true [2023-11-23 08:38:03,931 INFO L899 garLoopResultBuilder]: For program point L9858(line 9858) no Hoare annotation was computed. [2023-11-23 08:38:03,931 INFO L899 garLoopResultBuilder]: For program point L9866-1(line 9866) no Hoare annotation was computed. [2023-11-23 08:38:03,931 INFO L895 garLoopResultBuilder]: At program point L10098(line 10098) the Hoare annotation is: false [2023-11-23 08:38:03,931 INFO L899 garLoopResultBuilder]: For program point L6803-1(line 6803) no Hoare annotation was computed. [2023-11-23 08:38:03,931 INFO L895 garLoopResultBuilder]: At program point L6803(line 6803) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|)) (.cse1 (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|)) (.cse2 (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|))) (or (and (<= 1 |#StackHeapBarrier|) .cse0 .cse1 .cse2) (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) .cse0 .cse1 (= (mod |ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1| 18446744073709551616) 0) .cse2))) [2023-11-23 08:38:03,931 INFO L895 garLoopResultBuilder]: At program point L6799-1(line 6799) the Hoare annotation is: (and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|)) [2023-11-23 08:38:03,931 INFO L895 garLoopResultBuilder]: At program point L10094-1(line 10094) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= 0 |ULTIMATE.start_aws_hash_iter_delete_harness_#t~ret1547#1|)) [2023-11-23 08:38:03,932 INFO L895 garLoopResultBuilder]: At program point L6799(line 6799) the Hoare annotation is: (and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|)) [2023-11-23 08:38:03,932 INFO L899 garLoopResultBuilder]: For program point L10094-2(line 10094) no Hoare annotation was computed. [2023-11-23 08:38:03,932 INFO L899 garLoopResultBuilder]: For program point L6803-3(line 6803) no Hoare annotation was computed. [2023-11-23 08:38:03,932 INFO L895 garLoopResultBuilder]: At program point L6803-2(line 6803) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|)) (.cse1 (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|)) (.cse2 (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|))) (or (and (<= 1 |#StackHeapBarrier|) .cse0 .cse1 .cse2) (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) .cse0 .cse1 (= (mod |ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1| 18446744073709551616) 0) .cse2))) [2023-11-23 08:38:03,932 INFO L895 garLoopResultBuilder]: At program point L10098-1(line 10098) the Hoare annotation is: false [2023-11-23 08:38:03,932 INFO L899 garLoopResultBuilder]: For program point L6828-1(line 6828) no Hoare annotation was computed. [2023-11-23 08:38:03,932 INFO L899 garLoopResultBuilder]: For program point L10098-2(line 10098) no Hoare annotation was computed. [2023-11-23 08:38:03,932 INFO L895 garLoopResultBuilder]: At program point L6828(line 6828) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (<= 1 |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) 0))) [2023-11-23 08:38:03,933 INFO L895 garLoopResultBuilder]: At program point L10094(line 10094) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (<= 1 |#StackHeapBarrier|) (<= 2 |ULTIMATE.start_aws_hash_iter_delete_harness_~#iter~2#1.base|)) [2023-11-23 08:38:03,933 INFO L895 garLoopResultBuilder]: At program point L10086-2(line 10086) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (<= 1 |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) 0))) [2023-11-23 08:38:03,933 INFO L899 garLoopResultBuilder]: For program point L10086-3(line 10086) no Hoare annotation was computed. [2023-11-23 08:38:03,933 INFO L899 garLoopResultBuilder]: For program point L10086(line 10086) no Hoare annotation was computed. [2023-11-23 08:38:03,933 INFO L899 garLoopResultBuilder]: For program point L6804-1(line 6804) no Hoare annotation was computed. [2023-11-23 08:38:03,933 INFO L895 garLoopResultBuilder]: At program point L6804(line 6804) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|)) (.cse1 (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|)) (.cse2 (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|))) (or (and (<= 1 |#StackHeapBarrier|) .cse0 .cse1 .cse2) (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) .cse0 .cse1 (= (mod |ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1| 18446744073709551616) 0) .cse2))) [2023-11-23 08:38:03,933 INFO L899 garLoopResultBuilder]: For program point L6800-1(line 6800) no Hoare annotation was computed. [2023-11-23 08:38:03,933 INFO L895 garLoopResultBuilder]: At program point L6800(line 6800) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|)) (.cse1 (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|)) (.cse2 (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|))) (or (and (<= 1 |#StackHeapBarrier|) .cse0 .cse1 .cse2) (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) .cse0 .cse1 (= (mod |ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1| 18446744073709551616) 0) .cse2))) [2023-11-23 08:38:03,934 INFO L899 garLoopResultBuilder]: For program point L6829-1(line 6829) no Hoare annotation was computed. [2023-11-23 08:38:03,934 INFO L895 garLoopResultBuilder]: At program point L6829(line 6829) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (<= 1 |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) 0))) [2023-11-23 08:38:03,934 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 08:38:03,934 INFO L895 garLoopResultBuilder]: At program point L10096(line 10096) the Hoare annotation is: false [2023-11-23 08:38:03,934 INFO L895 garLoopResultBuilder]: At program point L10096-1(line 10096) the Hoare annotation is: false [2023-11-23 08:38:03,934 INFO L899 garLoopResultBuilder]: For program point L10096-2(line 10096) no Hoare annotation was computed. [2023-11-23 08:38:03,934 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 08:38:03,934 INFO L895 garLoopResultBuilder]: At program point L10084(line 10084) the Hoare annotation is: (let ((.cse1 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|))) (let ((.cse0 (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0))) (.cse2 (not (= .cse1 0)))) (or (and .cse0 (= (mod (* (select (select |#memory_int| .cse1) (+ 40 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|))) 18446744073709551615) 18446744073709551616) 0) (<= (+ .cse1 2) |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) .cse2) (and .cse0 (<= 1 |#StackHeapBarrier|) .cse2)))) [2023-11-23 08:38:03,935 INFO L895 garLoopResultBuilder]: At program point L10084-1(line 10084) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0))) (.cse1 (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) 0)))) (or (and .cse0 (= 0 |ULTIMATE.start_aws_hash_iter_delete_harness_#t~ret1530#1|) .cse1) (and .cse0 (<= 1 |#StackHeapBarrier|) .cse1))) [2023-11-23 08:38:03,935 INFO L899 garLoopResultBuilder]: For program point L10084-2(line 10084) no Hoare annotation was computed. [2023-11-23 08:38:03,935 INFO L895 garLoopResultBuilder]: At program point L10088(line 10088) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (<= 1 |#StackHeapBarrier|)) [2023-11-23 08:38:03,935 INFO L899 garLoopResultBuilder]: For program point L10088-1(line 10088) no Hoare annotation was computed. [2023-11-23 08:38:03,935 INFO L895 garLoopResultBuilder]: At program point L6798(line 6798) the Hoare annotation is: (and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|)) [2023-11-23 08:38:03,935 INFO L895 garLoopResultBuilder]: At program point L10093(line 10093) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (<= 1 |#StackHeapBarrier|) (<= 2 |ULTIMATE.start_aws_hash_iter_delete_harness_~#iter~2#1.base|)) [2023-11-23 08:38:03,935 INFO L899 garLoopResultBuilder]: For program point L10093-1(line 10093) no Hoare annotation was computed. [2023-11-23 08:38:03,936 INFO L899 garLoopResultBuilder]: For program point L6827-1(line 6827) no Hoare annotation was computed. [2023-11-23 08:38:03,936 INFO L895 garLoopResultBuilder]: At program point L10097(line 10097) the Hoare annotation is: false [2023-11-23 08:38:03,936 INFO L895 garLoopResultBuilder]: At program point L6827(line 6827) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (<= 1 |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) 0))) [2023-11-23 08:38:03,936 INFO L899 garLoopResultBuilder]: For program point L10097-1(line 10097) no Hoare annotation was computed. [2023-11-23 08:38:03,936 INFO L899 garLoopResultBuilder]: For program point L6798-1(line 6798) no Hoare annotation was computed. [2023-11-23 08:38:03,936 INFO L899 garLoopResultBuilder]: For program point L10085(line 10085) no Hoare annotation was computed. [2023-11-23 08:38:03,936 INFO L895 garLoopResultBuilder]: At program point L10085-2(line 10085) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (<= 1 |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) 0))) [2023-11-23 08:38:03,936 INFO L899 garLoopResultBuilder]: For program point L10085-3(line 10085) no Hoare annotation was computed. [2023-11-23 08:38:03,937 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2023-11-23 08:38:03,937 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2023-11-23 08:38:03,937 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2023-11-23 08:38:03,937 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2023-11-23 08:38:03,937 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2023-11-23 08:38:03,937 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2023-11-23 08:38:03,939 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 08:38:03,941 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 08:38:03,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:38:03 BoogieIcfgContainer [2023-11-23 08:38:03,948 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 08:38:03,949 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 08:38:03,949 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 08:38:03,949 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 08:38:03,950 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:37:23" (3/4) ... [2023-11-23 08:38:03,951 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 08:38:03,954 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2023-11-23 08:38:03,955 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_table_is_valid [2023-11-23 08:38:03,955 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure hash_table_state_is_valid [2023-11-23 08:38:03,955 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-23 08:38:03,955 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure s_remove_entry [2023-11-23 08:38:03,955 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2023-11-23 08:38:03,955 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure hash_table_state_required_bytes [2023-11-23 08:38:03,955 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-23 08:38:03,955 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2023-11-23 08:38:03,955 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2023-11-23 08:38:03,955 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_is_power_of_two [2023-11-23 08:38:03,956 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_iter_is_valid [2023-11-23 08:38:03,956 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_add_size_checked [2023-11-23 08:38:03,956 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2023-11-23 08:38:03,956 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2023-11-23 08:38:03,956 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2023-11-23 08:38:03,956 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_iter_delete [2023-11-23 08:38:03,956 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-23 08:38:03,957 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_plus [2023-11-23 08:38:03,975 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 172 nodes and edges [2023-11-23 08:38:03,977 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 82 nodes and edges [2023-11-23 08:38:03,978 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2023-11-23 08:38:03,979 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-23 08:38:03,980 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-23 08:38:03,981 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 08:38:03,981 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-23 08:38:03,982 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 08:38:04,355 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-11-23 08:38:04,356 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2023-11-23 08:38:04,356 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 08:38:04,357 INFO L158 Benchmark]: Toolchain (without parser) took 44716.41ms. Allocated memory was 207.6MB in the beginning and 815.8MB in the end (delta: 608.2MB). Free memory was 175.5MB in the beginning and 607.2MB in the end (delta: -431.7MB). Peak memory consumption was 173.4MB. Max. memory is 16.1GB. [2023-11-23 08:38:04,357 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 134.2MB. Free memory was 100.9MB in the beginning and 100.8MB in the end (delta: 80.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 08:38:04,358 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2109.73ms. Allocated memory is still 207.6MB. Free memory was 175.3MB in the beginning and 105.9MB in the end (delta: 69.4MB). Peak memory consumption was 140.0MB. Max. memory is 16.1GB. [2023-11-23 08:38:04,358 INFO L158 Benchmark]: Boogie Procedure Inliner took 130.62ms. Allocated memory is still 207.6MB. Free memory was 105.9MB in the beginning and 94.4MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 08:38:04,359 INFO L158 Benchmark]: Boogie Preprocessor took 101.98ms. Allocated memory is still 207.6MB. Free memory was 94.4MB in the beginning and 86.0MB in the end (delta: 8.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 08:38:04,359 INFO L158 Benchmark]: RCFGBuilder took 1133.48ms. Allocated memory was 207.6MB in the beginning and 318.8MB in the end (delta: 111.1MB). Free memory was 86.0MB in the beginning and 147.9MB in the end (delta: -61.9MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2023-11-23 08:38:04,359 INFO L158 Benchmark]: TraceAbstraction took 40827.47ms. Allocated memory was 318.8MB in the beginning and 815.8MB in the end (delta: 497.0MB). Free memory was 146.8MB in the beginning and 735.2MB in the end (delta: -588.3MB). Peak memory consumption was 384.8MB. Max. memory is 16.1GB. [2023-11-23 08:38:04,359 INFO L158 Benchmark]: Witness Printer took 406.98ms. Allocated memory is still 815.8MB. Free memory was 735.2MB in the beginning and 607.2MB in the end (delta: 127.9MB). Peak memory consumption was 125.8MB. Max. memory is 16.1GB. [2023-11-23 08:38:04,364 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 134.2MB. Free memory was 100.9MB in the beginning and 100.8MB in the end (delta: 80.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2109.73ms. Allocated memory is still 207.6MB. Free memory was 175.3MB in the beginning and 105.9MB in the end (delta: 69.4MB). Peak memory consumption was 140.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 130.62ms. Allocated memory is still 207.6MB. Free memory was 105.9MB in the beginning and 94.4MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.98ms. Allocated memory is still 207.6MB. Free memory was 94.4MB in the beginning and 86.0MB in the end (delta: 8.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1133.48ms. Allocated memory was 207.6MB in the beginning and 318.8MB in the end (delta: 111.1MB). Free memory was 86.0MB in the beginning and 147.9MB in the end (delta: -61.9MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. * TraceAbstraction took 40827.47ms. Allocated memory was 318.8MB in the beginning and 815.8MB in the end (delta: 497.0MB). Free memory was 146.8MB in the beginning and 735.2MB in the end (delta: -588.3MB). Peak memory consumption was 384.8MB. Max. memory is 16.1GB. * Witness Printer took 406.98ms. Allocated memory is still 815.8MB. Free memory was 735.2MB in the beginning and 607.2MB in the end (delta: 127.9MB). Peak memory consumption was 125.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 7526]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] * 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 20 procedures, 197 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 40.8s, OverallIterations: 14, TraceHistogramMax: 19, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 20.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 1428 SdHoareTripleChecker+Valid, 18.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1344 mSDsluCounter, 18886 SdHoareTripleChecker+Invalid, 17.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16202 mSDsCounter, 691 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9608 IncrementalHoareTripleChecker+Invalid, 10301 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 691 mSolverCounterUnsat, 2684 mSDtfsCounter, 9608 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4594 GetRequests, 4371 SyntacticMatches, 2 SemanticMatches, 221 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 710 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=244occurred in iteration=5, InterpolantAutomatonStates: 158, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 91 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 76 LocationsWithAnnotation, 759 PreInvPairs, 837 NumberOfFragments, 924 HoareAnnotationTreeSize, 759 FomulaSimplifications, 599 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 76 FomulaSimplificationsInter, 774 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 9.5s InterpolantComputationTime, 4222 NumberOfCodeBlocks, 4034 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 5272 ConstructedInterpolants, 24 QuantifiedInterpolants, 8062 SizeOfPredicates, 64 NumberOfNonLiveVariables, 30593 ConjunctsInSsa, 276 ConjunctsInUnsatCore, 24 InterpolantComputations, 10 PerfectInterpolantSequences, 17411/17689 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9583]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9110]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9606]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9605]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-23 08:38:04,432 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