./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/aws-c-common/aws_hash_table_put_harness_negated.i --full-output --preprocessor.use.memory.slicer true --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_table_put_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 489929a5e16ca7b6c37431f1402d7909a8c53c05fad96c5d5ea6a1c3ea89ee37 --preprocessor.use.memory.slicer true --- Real Ultimate output --- This is Ultimate 0.2.3-?-abd6749-m [2023-11-23 07:22:40,965 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 07:22:41,025 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 07:22:41,028 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 07:22:41,028 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 07:22:41,041 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 07:22:41,041 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 07:22:41,041 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 07:22:41,042 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 07:22:41,042 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 07:22:41,042 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 07:22:41,043 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 07:22:41,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 07:22:41,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 07:22:41,043 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 07:22:41,044 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 07:22:41,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 07:22:41,044 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 07:22:41,044 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 07:22:41,044 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 07:22:41,045 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 07:22:41,047 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 07:22:41,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 07:22:41,047 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 07:22:41,047 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 07:22:41,048 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 07:22:41,048 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 07:22:41,048 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 07:22:41,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 07:22:41,048 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 07:22:41,048 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 07:22:41,048 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 07:22:41,049 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 07:22:41,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 07:22:41,049 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 07:22:41,049 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 07:22:41,049 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 07:22:41,049 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 07:22:41,049 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 07:22:41,049 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 489929a5e16ca7b6c37431f1402d7909a8c53c05fad96c5d5ea6a1c3ea89ee37 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> true [2023-11-23 07:22:41,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 07:22:41,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 07:22:41,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 07:22:41,287 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 07:22:41,288 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 07:22:41,288 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_hash_table_put_harness_negated.i [2023-11-23 07:22:42,217 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 07:22:42,614 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 07:22:42,615 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_table_put_harness_negated.i [2023-11-23 07:22:42,644 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2da7b2894/883f75a01eb74f5e903991a7ce4fa957/FLAGb56dd00ff [2023-11-23 07:22:42,660 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2da7b2894/883f75a01eb74f5e903991a7ce4fa957 [2023-11-23 07:22:42,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 07:22:42,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 07:22:42,667 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 07:22:42,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 07:22:42,671 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 07:22:42,673 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:22:42" (1/1) ... [2023-11-23 07:22:42,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a92cb6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:22:42, skipping insertion in model container [2023-11-23 07:22:42,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:22:42" (1/1) ... [2023-11-23 07:22:42,761 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 07:22:43,020 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_table_put_harness_negated.i[4492,4505] [2023-11-23 07:22:43,031 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_table_put_harness_negated.i[4552,4565] [2023-11-23 07:22:43,947 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:43,947 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:43,947 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:43,948 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:43,949 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:43,958 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:43,958 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:43,960 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:43,960 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:43,961 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:43,962 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:43,963 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:43,963 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,297 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 07:22:44,298 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 07:22:44,299 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 07:22:44,300 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 07:22:44,302 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 07:22:44,304 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 07:22:44,304 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 07:22:44,306 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 07:22:44,307 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 07:22:44,307 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 07:22:44,626 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,627 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,638 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,639 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,642 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,642 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,649 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,650 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,650 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,650 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,650 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,651 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,651 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 07:22:44,690 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 07:22:44,699 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_table_put_harness_negated.i[4492,4505] [2023-11-23 07:22:44,700 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_table_put_harness_negated.i[4552,4565] [2023-11-23 07:22:44,718 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,719 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,719 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,719 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,719 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,723 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,723 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,724 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,726 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,726 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,727 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,727 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,728 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,757 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 07:22:44,758 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 07:22:44,759 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 07:22:44,760 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 07:22:44,760 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 07:22:44,761 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 07:22:44,761 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 07:22:44,761 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 07:22:44,762 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 07:22:44,763 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 07:22:44,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7544-7555] [2023-11-23 07:22:44,898 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,898 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,904 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,905 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,906 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,907 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,915 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,916 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,916 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,916 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,916 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,917 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,917 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:22:44,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 07:22:45,102 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:22:45,102 WARN L675 CHandler]: The function equals_fn is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:22:45,102 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:22:45,102 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:22:45,102 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:22:45,102 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:22:45,103 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:22:45,103 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:22:45,103 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:22:45,103 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:22:45,103 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:22:45,103 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:22:45,103 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:22:45,103 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:22:45,104 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:22:45,104 WARN L675 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:22:45,104 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:22:45,104 WARN L675 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:22:45,110 INFO L206 MainTranslator]: Completed translation [2023-11-23 07:22:45,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:22:45 WrapperNode [2023-11-23 07:22:45,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 07:22:45,111 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 07:22:45,111 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 07:22:45,111 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 07:22:45,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:22:45" (1/1) ... [2023-11-23 07:22:45,193 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:22:45" (1/1) ... [2023-11-23 07:22:45,277 INFO L138 Inliner]: procedures = 773, calls = 2490, calls flagged for inlining = 70, calls inlined = 25, statements flattened = 1457 [2023-11-23 07:22:45,277 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 07:22:45,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 07:22:45,278 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 07:22:45,278 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 07:22:45,296 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:22:45" (1/1) ... [2023-11-23 07:22:45,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:22:45" (1/1) ... [2023-11-23 07:22:45,318 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:22:45" (1/1) ... [2023-11-23 07:22:45,356 WARN L107 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2023-11-23 07:22:45,356 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:22:45" (1/1) ... [2023-11-23 07:22:45,356 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:22:45" (1/1) ... [2023-11-23 07:22:45,398 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:22:45" (1/1) ... [2023-11-23 07:22:45,408 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:22:45" (1/1) ... [2023-11-23 07:22:45,425 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:22:45" (1/1) ... [2023-11-23 07:22:45,439 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:22:45" (1/1) ... [2023-11-23 07:22:45,450 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 07:22:45,451 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 07:22:45,451 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 07:22:45,451 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 07:22:45,452 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:22:45" (1/1) ... [2023-11-23 07:22:45,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 07:22:45,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:22:45,482 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 07:22:45,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 07:22:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-23 07:22:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-23 07:22:45,534 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-23 07:22:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2023-11-23 07:22:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 07:22:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-23 07:22:45,535 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-23 07:22:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 07:22:45,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 07:22:45,536 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2023-11-23 07:22:45,536 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2023-11-23 07:22:45,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 07:22:45,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 07:22:45,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 07:22:45,536 INFO L130 BoogieDeclarations]: Found specification of procedure s_emplace_item [2023-11-23 07:22:45,536 INFO L138 BoogieDeclarations]: Found implementation of procedure s_emplace_item [2023-11-23 07:22:45,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 07:22:45,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 07:22:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 07:22:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 07:22:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-23 07:22:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-23 07:22:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 07:22:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2023-11-23 07:22:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2023-11-23 07:22:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 07:22:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2023-11-23 07:22:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2023-11-23 07:22:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 07:22:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-23 07:22:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-23 07:22:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 07:22:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2023-11-23 07:22:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2023-11-23 07:22:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2023-11-23 07:22:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2023-11-23 07:22:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure s_update_template_size [2023-11-23 07:22:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure s_update_template_size [2023-11-23 07:22:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2023-11-23 07:22:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2023-11-23 07:22:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2023-11-23 07:22:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2023-11-23 07:22:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 07:22:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2023-11-23 07:22:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2023-11-23 07:22:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 07:22:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_calloc [2023-11-23 07:22:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_calloc [2023-11-23 07:22:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-23 07:22:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2023-11-23 07:22:45,542 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2023-11-23 07:22:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 07:22:45,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 07:22:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2023-11-23 07:22:45,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2023-11-23 07:22:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2023-11-23 07:22:45,543 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2023-11-23 07:22:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2023-11-23 07:22:45,545 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2023-11-23 07:22:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 07:22:45,546 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 07:22:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2023-11-23 07:22:45,546 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2023-11-23 07:22:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 07:22:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-23 07:22:45,547 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-23 07:22:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-23 07:22:45,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-23 07:22:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2023-11-23 07:22:45,551 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2023-11-23 07:22:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure s_alloc_state [2023-11-23 07:22:45,552 INFO L138 BoogieDeclarations]: Found implementation of procedure s_alloc_state [2023-11-23 07:22:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 07:22:45,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 07:22:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 07:22:45,920 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 07:22:45,924 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 07:22:46,186 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !true; [2023-11-23 07:22:46,229 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !true; [2023-11-23 07:22:46,724 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume !true; [2023-11-23 07:22:46,725 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !true; [2023-11-23 07:22:47,452 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 07:22:47,511 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 07:22:47,512 INFO L309 CfgBuilder]: Removed 11 assume(true) statements. [2023-11-23 07:22:47,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:22:47 BoogieIcfgContainer [2023-11-23 07:22:47,512 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 07:22:47,514 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 07:22:47,514 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 07:22:47,516 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 07:22:47,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:22:42" (1/3) ... [2023-11-23 07:22:47,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75c98c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:22:47, skipping insertion in model container [2023-11-23 07:22:47,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:22:45" (2/3) ... [2023-11-23 07:22:47,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75c98c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:22:47, skipping insertion in model container [2023-11-23 07:22:47,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:22:47" (3/3) ... [2023-11-23 07:22:47,518 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_table_put_harness_negated.i [2023-11-23 07:22:47,531 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 07:22:47,531 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 07:22:47,568 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 07:22:47,573 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;@5d880b84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 07:22:47,573 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 07:22:47,578 INFO L276 IsEmpty]: Start isEmpty. Operand has 359 states, 246 states have (on average 1.3739837398373984) internal successors, (338), 243 states have internal predecessors, (338), 86 states have call successors, (86), 29 states have call predecessors, (86), 29 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2023-11-23 07:22:47,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-23 07:22:47,588 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:22:47,589 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2023-11-23 07:22:47,589 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:22:47,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:22:47,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1645753899, now seen corresponding path program 1 times [2023-11-23 07:22:47,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:22:47,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857760922] [2023-11-23 07:22:47,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:22:47,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:22:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:48,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:22:48,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857760922] [2023-11-23 07:22:48,134 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-23 07:22:48,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063501687] [2023-11-23 07:22:48,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:22:48,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:22:48,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:22:48,136 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 07:22:48,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 07:22:48,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:48,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 2588 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 07:22:48,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:22:48,785 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2023-11-23 07:22:48,785 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 07:22:48,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063501687] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:22:48,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 07:22:48,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 07:22:48,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075738094] [2023-11-23 07:22:48,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:22:48,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 07:22:48,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:22:48,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 07:22:48,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 07:22:48,811 INFO L87 Difference]: Start difference. First operand has 359 states, 246 states have (on average 1.3739837398373984) internal successors, (338), 243 states have internal predecessors, (338), 86 states have call successors, (86), 29 states have call predecessors, (86), 29 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-23 07:22:48,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:22:48,957 INFO L93 Difference]: Finished difference Result 714 states and 1070 transitions. [2023-11-23 07:22:48,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 07:22:48,959 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 119 [2023-11-23 07:22:48,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:22:48,967 INFO L225 Difference]: With dead ends: 714 [2023-11-23 07:22:48,967 INFO L226 Difference]: Without dead ends: 357 [2023-11-23 07:22:48,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 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 07:22:48,977 INFO L413 NwaCegarLoop]: 472 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 07:22:48,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 472 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 07:22:48,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2023-11-23 07:22:49,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2023-11-23 07:22:49,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 241 states have (on average 1.3526970954356847) internal successors, (326), 242 states have internal predecessors, (326), 86 states have call successors, (86), 29 states have call predecessors, (86), 29 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2023-11-23 07:22:49,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 497 transitions. [2023-11-23 07:22:49,042 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 497 transitions. Word has length 119 [2023-11-23 07:22:49,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:22:49,043 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 497 transitions. [2023-11-23 07:22:49,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-23 07:22:49,044 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 497 transitions. [2023-11-23 07:22:49,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-23 07:22:49,047 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:22:49,047 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2023-11-23 07:22:49,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 07:22:49,256 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 07:22:49,256 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:22:49,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:22:49,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1207087141, now seen corresponding path program 1 times [2023-11-23 07:22:49,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:22:49,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4234897] [2023-11-23 07:22:49,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:22:49,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:22:49,448 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 07:22:49,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [955649860] [2023-11-23 07:22:49,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:22:49,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:22:49,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:22:49,465 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 07:22:49,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 07:22:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:50,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 2588 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 07:22:50,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:22:50,087 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-23 07:22:50,087 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 07:22:50,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:22:50,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4234897] [2023-11-23 07:22:50,088 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 07:22:50,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955649860] [2023-11-23 07:22:50,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955649860] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:22:50,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 07:22:50,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 07:22:50,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900350167] [2023-11-23 07:22:50,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:22:50,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 07:22:50,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:22:50,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 07:22:50,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 07:22:50,090 INFO L87 Difference]: Start difference. First operand 357 states and 497 transitions. Second operand has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-23 07:22:50,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:22:50,353 INFO L93 Difference]: Finished difference Result 710 states and 992 transitions. [2023-11-23 07:22:50,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 07:22:50,354 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 119 [2023-11-23 07:22:50,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:22:50,357 INFO L225 Difference]: With dead ends: 710 [2023-11-23 07:22:50,358 INFO L226 Difference]: Without dead ends: 361 [2023-11-23 07:22:50,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 115 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 07:22:50,360 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 1 mSDsluCounter, 1403 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1872 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 07:22:50,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1872 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 07:22:50,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2023-11-23 07:22:50,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2023-11-23 07:22:50,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 244 states have (on average 1.348360655737705) internal successors, (329), 245 states have internal predecessors, (329), 86 states have call successors, (86), 29 states have call predecessors, (86), 30 states have return successors, (89), 86 states have call predecessors, (89), 85 states have call successors, (89) [2023-11-23 07:22:50,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 504 transitions. [2023-11-23 07:22:50,406 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 504 transitions. Word has length 119 [2023-11-23 07:22:50,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:22:50,406 INFO L495 AbstractCegarLoop]: Abstraction has 361 states and 504 transitions. [2023-11-23 07:22:50,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-23 07:22:50,407 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 504 transitions. [2023-11-23 07:22:50,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-23 07:22:50,408 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:22:50,408 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2023-11-23 07:22:50,424 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 07:22:50,624 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 07:22:50,625 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:22:50,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:22:50,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1650953712, now seen corresponding path program 1 times [2023-11-23 07:22:50,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:22:50,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48091506] [2023-11-23 07:22:50,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:22:50,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:22:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:51,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:22:51,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:51,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 07:22:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:51,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 07:22:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:51,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 07:22:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:51,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 07:22:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:51,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:22:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:51,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:22:51,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:51,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 07:22:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:51,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 07:22:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:51,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 07:22:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:51,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:22:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:51,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 07:22:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:52,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-23 07:22:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:52,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 07:22:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:52,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-23 07:22:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:52,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-23 07:22:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:52,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 07:22:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:52,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-23 07:22:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:52,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 07:22:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:52,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 07:22:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:52,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-23 07:22:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:52,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-23 07:22:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:52,159 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-23 07:22:52,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:22:52,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48091506] [2023-11-23 07:22:52,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48091506] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:22:52,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 07:22:52,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-23 07:22:52,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381191222] [2023-11-23 07:22:52,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:22:52,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-23 07:22:52,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:22:52,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-23 07:22:52,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-11-23 07:22:52,163 INFO L87 Difference]: Start difference. First operand 361 states and 504 transitions. Second operand has 13 states, 11 states have (on average 4.636363636363637) internal successors, (51), 9 states have internal predecessors, (51), 4 states have call successors, (24), 5 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2023-11-23 07:22:56,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:22:56,787 INFO L93 Difference]: Finished difference Result 756 states and 1059 transitions. [2023-11-23 07:22:56,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 07:22:56,787 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 4.636363636363637) internal successors, (51), 9 states have internal predecessors, (51), 4 states have call successors, (24), 5 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 123 [2023-11-23 07:22:56,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:22:56,790 INFO L225 Difference]: With dead ends: 756 [2023-11-23 07:22:56,790 INFO L226 Difference]: Without dead ends: 413 [2023-11-23 07:22:56,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 41 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 07:22:56,792 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 424 mSDsluCounter, 1605 mSDsCounter, 0 mSdLazyCounter, 2440 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 1877 SdHoareTripleChecker+Invalid, 2630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 2440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-23 07:22:56,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 1877 Invalid, 2630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 2440 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-11-23 07:22:56,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2023-11-23 07:22:56,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 365. [2023-11-23 07:22:56,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 247 states have (on average 1.3481781376518218) internal successors, (333), 249 states have internal predecessors, (333), 86 states have call successors, (86), 29 states have call predecessors, (86), 31 states have return successors, (90), 86 states have call predecessors, (90), 85 states have call successors, (90) [2023-11-23 07:22:56,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 509 transitions. [2023-11-23 07:22:56,820 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 509 transitions. Word has length 123 [2023-11-23 07:22:56,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:22:56,822 INFO L495 AbstractCegarLoop]: Abstraction has 365 states and 509 transitions. [2023-11-23 07:22:56,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 4.636363636363637) internal successors, (51), 9 states have internal predecessors, (51), 4 states have call successors, (24), 5 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2023-11-23 07:22:56,823 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 509 transitions. [2023-11-23 07:22:56,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-23 07:22:56,825 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:22:56,826 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2023-11-23 07:22:56,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 07:22:56,826 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:22:56,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:22:56,826 INFO L85 PathProgramCache]: Analyzing trace with hash 957833746, now seen corresponding path program 1 times [2023-11-23 07:22:56,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:22:56,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103284341] [2023-11-23 07:22:56,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:22:56,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:22:56,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:57,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:22:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:57,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 07:22:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:57,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 07:22:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:57,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 07:22:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:57,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 07:22:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:57,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:22:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:57,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:22:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:57,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 07:22:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:57,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 07:22:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:57,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 07:22:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:57,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:22:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:57,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 07:22:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:57,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-23 07:22:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:57,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 07:22:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:57,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-23 07:22:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:57,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-23 07:22:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:57,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 07:22:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:57,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-23 07:22:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:57,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 07:22:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:57,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 07:22:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:57,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-23 07:22:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:57,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-23 07:22:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:22:57,380 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-23 07:22:57,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:22:57,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103284341] [2023-11-23 07:22:57,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103284341] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:22:57,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 07:22:57,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 07:22:57,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688623728] [2023-11-23 07:22:57,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:22:57,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 07:22:57,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:22:57,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 07:22:57,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-23 07:22:57,384 INFO L87 Difference]: Start difference. First operand 365 states and 509 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-23 07:23:00,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:23:00,081 INFO L93 Difference]: Finished difference Result 761 states and 1065 transitions. [2023-11-23 07:23:00,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 07:23:00,082 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 123 [2023-11-23 07:23:00,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:23:00,085 INFO L225 Difference]: With dead ends: 761 [2023-11-23 07:23:00,085 INFO L226 Difference]: Without dead ends: 408 [2023-11-23 07:23:00,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 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 07:23:00,086 INFO L413 NwaCegarLoop]: 269 mSDtfsCounter, 476 mSDsluCounter, 865 mSDsCounter, 0 mSdLazyCounter, 1354 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 545 SdHoareTripleChecker+Valid, 1134 SdHoareTripleChecker+Invalid, 1545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 1354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-23 07:23:00,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [545 Valid, 1134 Invalid, 1545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 1354 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-23 07:23:00,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2023-11-23 07:23:00,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 363. [2023-11-23 07:23:00,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 245 states have (on average 1.3428571428571427) internal successors, (329), 247 states have internal predecessors, (329), 86 states have call successors, (86), 29 states have call predecessors, (86), 31 states have return successors, (90), 86 states have call predecessors, (90), 85 states have call successors, (90) [2023-11-23 07:23:00,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 505 transitions. [2023-11-23 07:23:00,120 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 505 transitions. Word has length 123 [2023-11-23 07:23:00,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:23:00,123 INFO L495 AbstractCegarLoop]: Abstraction has 363 states and 505 transitions. [2023-11-23 07:23:00,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-23 07:23:00,124 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 505 transitions. [2023-11-23 07:23:00,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-23 07:23:00,126 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:23:00,127 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2023-11-23 07:23:00,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 07:23:00,127 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:23:00,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:23:00,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1529225708, now seen corresponding path program 1 times [2023-11-23 07:23:00,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:23:00,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213078129] [2023-11-23 07:23:00,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:23:00,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:23:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:00,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:23:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:00,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 07:23:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:00,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 07:23:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:00,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 07:23:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:00,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 07:23:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:00,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:23:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:00,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:23:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:00,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 07:23:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:00,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 07:23:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:00,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 07:23:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:00,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:23:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:00,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 07:23:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:00,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 07:23:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:00,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 07:23:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:00,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-23 07:23:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:00,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-23 07:23:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:00,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 07:23:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:00,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-23 07:23:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:00,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 07:23:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:00,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 07:23:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:00,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 07:23:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:00,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 07:23:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:00,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-23 07:23:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:00,955 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2023-11-23 07:23:00,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:23:00,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213078129] [2023-11-23 07:23:00,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213078129] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 07:23:00,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468749908] [2023-11-23 07:23:00,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:23:00,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:23:00,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:23:00,959 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 07:23:00,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 07:23:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:01,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 2611 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-23 07:23:01,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:23:01,669 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-23 07:23:01,669 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 07:23:01,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468749908] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:23:01,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 07:23:01,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 17 [2023-11-23 07:23:01,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292738055] [2023-11-23 07:23:01,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:23:01,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 07:23:01,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:23:01,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 07:23:01,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2023-11-23 07:23:01,671 INFO L87 Difference]: Start difference. First operand 363 states and 505 transitions. Second operand has 9 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-23 07:23:02,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:23:02,281 INFO L93 Difference]: Finished difference Result 713 states and 996 transitions. [2023-11-23 07:23:02,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 07:23:02,282 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) Word has length 129 [2023-11-23 07:23:02,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:23:02,284 INFO L225 Difference]: With dead ends: 713 [2023-11-23 07:23:02,285 INFO L226 Difference]: Without dead ends: 368 [2023-11-23 07:23:02,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 166 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 07:23:02,286 INFO L413 NwaCegarLoop]: 448 mSDtfsCounter, 3 mSDsluCounter, 3086 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3534 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 07:23:02,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3534 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 07:23:02,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2023-11-23 07:23:02,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 366. [2023-11-23 07:23:02,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 247 states have (on average 1.3400809716599191) internal successors, (331), 249 states have internal predecessors, (331), 86 states have call successors, (86), 29 states have call predecessors, (86), 32 states have return successors, (97), 87 states have call predecessors, (97), 85 states have call successors, (97) [2023-11-23 07:23:02,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 514 transitions. [2023-11-23 07:23:02,304 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 514 transitions. Word has length 129 [2023-11-23 07:23:02,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:23:02,305 INFO L495 AbstractCegarLoop]: Abstraction has 366 states and 514 transitions. [2023-11-23 07:23:02,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-23 07:23:02,305 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 514 transitions. [2023-11-23 07:23:02,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-23 07:23:02,306 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:23:02,306 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2023-11-23 07:23:02,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-23 07:23:02,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:23:02,526 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:23:02,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:23:02,526 INFO L85 PathProgramCache]: Analyzing trace with hash 943881105, now seen corresponding path program 1 times [2023-11-23 07:23:02,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:23:02,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131709500] [2023-11-23 07:23:02,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:23:02,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:23:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:02,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:23:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:02,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 07:23:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:02,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 07:23:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:02,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 07:23:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:03,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 07:23:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:03,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:23:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:03,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:23:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:03,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 07:23:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:03,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 07:23:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:03,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 07:23:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:03,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:23:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:03,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 07:23:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:03,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 07:23:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:03,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 07:23:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:03,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-23 07:23:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:03,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 07:23:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:03,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-23 07:23:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:03,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 07:23:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:03,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 07:23:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:03,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-23 07:23:03,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:03,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 07:23:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:03,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-23 07:23:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:03,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-23 07:23:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:03,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 07:23:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:03,181 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2023-11-23 07:23:03,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:23:03,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131709500] [2023-11-23 07:23:03,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131709500] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:23:03,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 07:23:03,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-23 07:23:03,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117072871] [2023-11-23 07:23:03,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:23:03,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 07:23:03,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:23:03,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 07:23:03,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-23 07:23:03,183 INFO L87 Difference]: Start difference. First operand 366 states and 514 transitions. Second operand has 9 states, 8 states have (on average 7.25) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (26), 5 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-23 07:23:05,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:23:05,688 INFO L93 Difference]: Finished difference Result 736 states and 1036 transitions. [2023-11-23 07:23:05,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 07:23:05,689 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.25) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (26), 5 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 135 [2023-11-23 07:23:05,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:23:05,691 INFO L225 Difference]: With dead ends: 736 [2023-11-23 07:23:05,691 INFO L226 Difference]: Without dead ends: 411 [2023-11-23 07:23:05,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-11-23 07:23:05,693 INFO L413 NwaCegarLoop]: 269 mSDtfsCounter, 522 mSDsluCounter, 1206 mSDsCounter, 0 mSdLazyCounter, 1640 mSolverCounterSat, 309 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 1475 SdHoareTripleChecker+Invalid, 1949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 309 IncrementalHoareTripleChecker+Valid, 1640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-23 07:23:05,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [571 Valid, 1475 Invalid, 1949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [309 Valid, 1640 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-23 07:23:05,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2023-11-23 07:23:05,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 366. [2023-11-23 07:23:05,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 247 states have (on average 1.3400809716599191) internal successors, (331), 249 states have internal predecessors, (331), 86 states have call successors, (86), 29 states have call predecessors, (86), 32 states have return successors, (96), 87 states have call predecessors, (96), 85 states have call successors, (96) [2023-11-23 07:23:05,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 513 transitions. [2023-11-23 07:23:05,708 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 513 transitions. Word has length 135 [2023-11-23 07:23:05,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:23:05,708 INFO L495 AbstractCegarLoop]: Abstraction has 366 states and 513 transitions. [2023-11-23 07:23:05,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.25) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (26), 5 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-23 07:23:05,709 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 513 transitions. [2023-11-23 07:23:05,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-23 07:23:05,710 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:23:05,710 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2023-11-23 07:23:05,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 07:23:05,710 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:23:05,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:23:05,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1427026186, now seen corresponding path program 1 times [2023-11-23 07:23:05,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:23:05,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652001926] [2023-11-23 07:23:05,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:23:05,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:23:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:06,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:23:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:06,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 07:23:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:06,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 07:23:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:06,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 07:23:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:06,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 07:23:06,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:06,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:23:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:06,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:23:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:06,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 07:23:06,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:06,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 07:23:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:06,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 07:23:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:06,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:23:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:06,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 07:23:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:06,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 07:23:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:06,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 07:23:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:06,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-23 07:23:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:06,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 07:23:06,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:07,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-23 07:23:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:07,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 07:23:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:07,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 07:23:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:07,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-23 07:23:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:07,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 07:23:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:07,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-23 07:23:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:07,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-23 07:23:07,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:07,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 07:23:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:07,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-23 07:23:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:07,079 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-11-23 07:23:07,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:23:07,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652001926] [2023-11-23 07:23:07,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652001926] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 07:23:07,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12727773] [2023-11-23 07:23:07,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:23:07,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:23:07,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:23:07,081 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 07:23:07,100 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 07:23:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:07,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 2673 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-23 07:23:07,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:23:07,789 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2023-11-23 07:23:07,789 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 07:23:07,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12727773] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:23:07,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 07:23:07,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 14 [2023-11-23 07:23:07,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690077639] [2023-11-23 07:23:07,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:23:07,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 07:23:07,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:23:07,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 07:23:07,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2023-11-23 07:23:07,791 INFO L87 Difference]: Start difference. First operand 366 states and 513 transitions. Second operand has 9 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-23 07:23:08,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:23:08,295 INFO L93 Difference]: Finished difference Result 696 states and 980 transitions. [2023-11-23 07:23:08,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 07:23:08,296 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 2 states have call successors, (25) Word has length 141 [2023-11-23 07:23:08,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:23:08,298 INFO L225 Difference]: With dead ends: 696 [2023-11-23 07:23:08,298 INFO L226 Difference]: Without dead ends: 371 [2023-11-23 07:23:08,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2023-11-23 07:23:08,300 INFO L413 NwaCegarLoop]: 448 mSDtfsCounter, 2 mSDsluCounter, 3087 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3535 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 07:23:08,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3535 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 07:23:08,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2023-11-23 07:23:08,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2023-11-23 07:23:08,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 250 states have (on average 1.336) internal successors, (334), 253 states have internal predecessors, (334), 86 states have call successors, (86), 29 states have call predecessors, (86), 34 states have return successors, (104), 88 states have call predecessors, (104), 85 states have call successors, (104) [2023-11-23 07:23:08,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 524 transitions. [2023-11-23 07:23:08,315 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 524 transitions. Word has length 141 [2023-11-23 07:23:08,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:23:08,316 INFO L495 AbstractCegarLoop]: Abstraction has 371 states and 524 transitions. [2023-11-23 07:23:08,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-23 07:23:08,317 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 524 transitions. [2023-11-23 07:23:08,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-23 07:23:08,318 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:23:08,318 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2023-11-23 07:23:08,337 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 07:23:08,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:23:08,520 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:23:08,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:23:08,521 INFO L85 PathProgramCache]: Analyzing trace with hash -117193647, now seen corresponding path program 1 times [2023-11-23 07:23:08,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:23:08,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042469446] [2023-11-23 07:23:08,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:23:08,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:23:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:09,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:23:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:09,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 07:23:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:09,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 07:23:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:09,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 07:23:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:09,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 07:23:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:09,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:23:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:09,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:23:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:09,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 07:23:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:09,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 07:23:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:09,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 07:23:09,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:09,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:23:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:09,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 07:23:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:09,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 07:23:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:09,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 07:23:09,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:09,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-23 07:23:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:09,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 07:23:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:09,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-23 07:23:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:09,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 07:23:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:09,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 07:23:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:09,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-23 07:23:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:09,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 07:23:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:09,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-23 07:23:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:09,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-23 07:23:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:09,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 07:23:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:09,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-23 07:23:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:09,475 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-11-23 07:23:09,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:23:09,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042469446] [2023-11-23 07:23:09,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042469446] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 07:23:09,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420820156] [2023-11-23 07:23:09,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:23:09,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:23:09,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:23:09,477 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 07:23:09,478 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 07:23:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:10,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 2677 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-23 07:23:10,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:23:10,191 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 07:23:10,191 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 07:23:10,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [420820156] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:23:10,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 07:23:10,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [10] total 17 [2023-11-23 07:23:10,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695637819] [2023-11-23 07:23:10,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:23:10,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-23 07:23:10,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:23:10,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-23 07:23:10,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2023-11-23 07:23:10,194 INFO L87 Difference]: Start difference. First operand 371 states and 524 transitions. Second operand has 12 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 3 states have call successors, (27), 2 states have call predecessors, (27), 6 states have return successors, (25), 5 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-23 07:23:10,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:23:10,823 INFO L93 Difference]: Finished difference Result 728 states and 1026 transitions. [2023-11-23 07:23:10,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 07:23:10,824 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 3 states have call successors, (27), 2 states have call predecessors, (27), 6 states have return successors, (25), 5 states have call predecessors, (25), 3 states have call successors, (25) Word has length 143 [2023-11-23 07:23:10,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:23:10,826 INFO L225 Difference]: With dead ends: 728 [2023-11-23 07:23:10,826 INFO L226 Difference]: Without dead ends: 375 [2023-11-23 07:23:10,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2023-11-23 07:23:10,828 INFO L413 NwaCegarLoop]: 447 mSDtfsCounter, 3 mSDsluCounter, 4417 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 4864 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 07:23:10,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 4864 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 07:23:10,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2023-11-23 07:23:10,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 369. [2023-11-23 07:23:10,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 249 states have (on average 1.3373493975903614) internal successors, (333), 251 states have internal predecessors, (333), 86 states have call successors, (86), 29 states have call predecessors, (86), 33 states have return successors, (98), 88 states have call predecessors, (98), 85 states have call successors, (98) [2023-11-23 07:23:10,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 517 transitions. [2023-11-23 07:23:10,843 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 517 transitions. Word has length 143 [2023-11-23 07:23:10,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:23:10,844 INFO L495 AbstractCegarLoop]: Abstraction has 369 states and 517 transitions. [2023-11-23 07:23:10,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 3 states have call successors, (27), 2 states have call predecessors, (27), 6 states have return successors, (25), 5 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-23 07:23:10,844 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 517 transitions. [2023-11-23 07:23:10,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-23 07:23:10,846 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:23:10,846 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 2, 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] [2023-11-23 07:23:10,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-23 07:23:11,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:23:11,056 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:23:11,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:23:11,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1983573652, now seen corresponding path program 2 times [2023-11-23 07:23:11,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:23:11,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491084332] [2023-11-23 07:23:11,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:23:11,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:23:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:11,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:23:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:11,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 07:23:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:11,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 07:23:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:11,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 07:23:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:11,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 07:23:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:11,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:23:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:11,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:23:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:11,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 07:23:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:11,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 07:23:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:11,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 07:23:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:11,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:23:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:11,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 07:23:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:11,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 07:23:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:11,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 07:23:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:11,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-23 07:23:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:11,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 07:23:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:11,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-23 07:23:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:11,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 07:23:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:11,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-23 07:23:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:11,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-23 07:23:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:11,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-23 07:23:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:11,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-23 07:23:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:11,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-23 07:23:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:11,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 07:23:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:11,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-23 07:23:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:11,996 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2023-11-23 07:23:11,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:23:11,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491084332] [2023-11-23 07:23:11,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491084332] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 07:23:11,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924489175] [2023-11-23 07:23:11,997 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-23 07:23:11,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:23:11,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:23:11,998 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 07:23:12,000 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 07:23:12,635 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-23 07:23:12,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 07:23:12,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 2681 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-23 07:23:12,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:23:12,673 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-11-23 07:23:12,673 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 07:23:12,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [924489175] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:23:12,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 07:23:12,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 11 [2023-11-23 07:23:12,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274619996] [2023-11-23 07:23:12,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:23:12,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 07:23:12,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:23:12,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 07:23:12,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-23 07:23:12,675 INFO L87 Difference]: Start difference. First operand 369 states and 517 transitions. Second operand has 7 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-23 07:23:13,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:23:13,193 INFO L93 Difference]: Finished difference Result 733 states and 1025 transitions. [2023-11-23 07:23:13,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 07:23:13,194 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 145 [2023-11-23 07:23:13,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:23:13,196 INFO L225 Difference]: With dead ends: 733 [2023-11-23 07:23:13,196 INFO L226 Difference]: Without dead ends: 369 [2023-11-23 07:23:13,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-11-23 07:23:13,197 INFO L413 NwaCegarLoop]: 449 mSDtfsCounter, 2 mSDsluCounter, 2196 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2645 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 07:23:13,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2645 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 07:23:13,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2023-11-23 07:23:13,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2023-11-23 07:23:13,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 249 states have (on average 1.3373493975903614) internal successors, (333), 251 states have internal predecessors, (333), 86 states have call successors, (86), 29 states have call predecessors, (86), 33 states have return successors, (97), 88 states have call predecessors, (97), 85 states have call successors, (97) [2023-11-23 07:23:13,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 516 transitions. [2023-11-23 07:23:13,209 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 516 transitions. Word has length 145 [2023-11-23 07:23:13,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:23:13,209 INFO L495 AbstractCegarLoop]: Abstraction has 369 states and 516 transitions. [2023-11-23 07:23:13,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-23 07:23:13,210 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 516 transitions. [2023-11-23 07:23:13,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-23 07:23:13,211 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:23:13,211 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2023-11-23 07:23:13,232 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 07:23:13,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:23:13,427 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:23:13,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:23:13,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1355526919, now seen corresponding path program 1 times [2023-11-23 07:23:13,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:23:13,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518986959] [2023-11-23 07:23:13,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:23:13,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:23:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:14,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:23:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:14,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 07:23:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:14,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 07:23:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:14,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 07:23:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:14,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 07:23:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:14,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:23:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:14,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:23:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:14,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 07:23:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:14,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-23 07:23:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:14,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 07:23:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:14,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:23:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:14,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-23 07:23:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:14,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 07:23:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:14,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 07:23:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:14,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-23 07:23:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:14,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-23 07:23:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:14,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 07:23:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:14,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 07:23:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:14,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 07:23:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:14,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 07:23:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:14,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-23 07:23:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:14,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 07:23:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:14,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-23 07:23:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:14,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 07:23:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:14,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-23 07:23:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:14,433 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-23 07:23:14,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:23:14,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518986959] [2023-11-23 07:23:14,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518986959] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 07:23:14,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725595557] [2023-11-23 07:23:14,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:23:14,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:23:14,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:23:14,435 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 07:23:14,448 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 07:23:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:15,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 2685 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 07:23:15,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:23:15,193 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-11-23 07:23:15,193 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 07:23:15,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [725595557] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:23:15,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 07:23:15,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 10 [2023-11-23 07:23:15,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398734329] [2023-11-23 07:23:15,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:23:15,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 07:23:15,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:23:15,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 07:23:15,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-11-23 07:23:15,197 INFO L87 Difference]: Start difference. First operand 369 states and 516 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-23 07:23:15,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:23:15,531 INFO L93 Difference]: Finished difference Result 732 states and 1022 transitions. [2023-11-23 07:23:15,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 07:23:15,532 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 147 [2023-11-23 07:23:15,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:23:15,535 INFO L225 Difference]: With dead ends: 732 [2023-11-23 07:23:15,535 INFO L226 Difference]: Without dead ends: 371 [2023-11-23 07:23:15,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-23 07:23:15,537 INFO L413 NwaCegarLoop]: 448 mSDtfsCounter, 2 mSDsluCounter, 1744 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2192 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 07:23:15,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2192 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 07:23:15,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2023-11-23 07:23:15,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2023-11-23 07:23:15,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 250 states have (on average 1.336) internal successors, (334), 253 states have internal predecessors, (334), 86 states have call successors, (86), 29 states have call predecessors, (86), 34 states have return successors, (98), 88 states have call predecessors, (98), 85 states have call successors, (98) [2023-11-23 07:23:15,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 518 transitions. [2023-11-23 07:23:15,549 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 518 transitions. Word has length 147 [2023-11-23 07:23:15,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:23:15,549 INFO L495 AbstractCegarLoop]: Abstraction has 371 states and 518 transitions. [2023-11-23 07:23:15,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-23 07:23:15,549 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 518 transitions. [2023-11-23 07:23:15,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-23 07:23:15,552 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:23:15,552 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2023-11-23 07:23:15,572 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 07:23:15,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:23:15,768 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:23:15,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:23:15,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1308895670, now seen corresponding path program 1 times [2023-11-23 07:23:15,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:23:15,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490983858] [2023-11-23 07:23:15,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:23:15,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:23:15,843 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 07:23:15,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1654090166] [2023-11-23 07:23:15,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:23:15,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:23:15,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:23:15,846 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 07:23:15,852 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 07:23:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:23:20,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 2793 conjuncts, 255 conjunts are in the unsatisfiable core [2023-11-23 07:23:20,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:23:21,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-23 07:23:21,382 INFO L349 Elim1Store]: treesize reduction 48, result has 28.4 percent of original size [2023-11-23 07:23:21,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 24 treesize of output 28 [2023-11-23 07:23:21,447 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-23 07:23:21,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 7 [2023-11-23 07:23:22,322 INFO L349 Elim1Store]: treesize reduction 505, result has 26.9 percent of original size [2023-11-23 07:23:22,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 145 treesize of output 333 [2023-11-23 07:23:30,763 INFO L349 Elim1Store]: treesize reduction 478, result has 13.4 percent of original size [2023-11-23 07:23:30,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 98 treesize of output 178 [2023-11-23 07:23:31,021 INFO L349 Elim1Store]: treesize reduction 290, result has 1.7 percent of original size [2023-11-23 07:23:31,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 19 case distinctions, treesize of input 69 treesize of output 34 [2023-11-23 07:23:31,102 INFO L349 Elim1Store]: treesize reduction 144, result has 0.7 percent of original size [2023-11-23 07:23:31,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 55 treesize of output 1 [2023-11-23 07:23:31,140 INFO L349 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2023-11-23 07:23:31,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 24 [2023-11-23 07:23:31,156 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 07:23:31,170 INFO L349 Elim1Store]: treesize reduction 169, result has 0.6 percent of original size [2023-11-23 07:23:31,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 53 treesize of output 1 [2023-11-23 07:23:31,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 07:23:31,192 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 07:23:31,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 07:23:31,198 INFO L349 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2023-11-23 07:23:31,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 24 [2023-11-23 07:23:31,440 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 07:23:31,456 INFO L349 Elim1Store]: treesize reduction 192, result has 0.5 percent of original size [2023-11-23 07:23:31,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 53 treesize of output 1 [2023-11-23 07:23:31,485 INFO L349 Elim1Store]: treesize reduction 167, result has 0.6 percent of original size [2023-11-23 07:23:31,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 55 treesize of output 1 [2023-11-23 07:23:32,166 INFO L349 Elim1Store]: treesize reduction 2833, result has 0.0 percent of original size [2023-11-23 07:23:32,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 11 select indices, 11 select index equivalence classes, 4 disjoint index pairs (out of 55 index pairs), introduced 14 new quantified variables, introduced 89 case distinctions, treesize of input 192 treesize of output 1 [2023-11-23 07:23:32,362 INFO L349 Elim1Store]: treesize reduction 147, result has 0.7 percent of original size [2023-11-23 07:23:32,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 55 treesize of output 1 [2023-11-23 07:23:32,384 INFO L349 Elim1Store]: treesize reduction 49, result has 2.0 percent of original size [2023-11-23 07:23:32,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 45 treesize of output 1 [2023-11-23 07:23:32,555 INFO L349 Elim1Store]: treesize reduction 1358, result has 0.1 percent of original size [2023-11-23 07:23:32,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 8 select indices, 8 select index equivalence classes, 5 disjoint index pairs (out of 28 index pairs), introduced 11 new quantified variables, introduced 49 case distinctions, treesize of input 150 treesize of output 1 [2023-11-23 07:23:32,625 INFO L349 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2023-11-23 07:23:32,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 45 treesize of output 1 [2023-11-23 07:23:35,826 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-23 07:23:35,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 7 [2023-11-23 07:23:35,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 07:23:35,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 07:23:35,894 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-23 07:23:35,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 17 [2023-11-23 07:23:35,972 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 11 treesize of output 7 [2023-11-23 07:23:35,979 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 07:23:35,984 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-23 07:23:35,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 17 [2023-11-23 07:23:35,993 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 30 treesize of output 24 [2023-11-23 07:23:35,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 07:23:36,000 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 37 treesize of output 26 [2023-11-23 07:23:38,214 INFO L349 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2023-11-23 07:23:38,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 124 treesize of output 112 [2023-11-23 07:23:38,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 07:23:38,241 INFO L349 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2023-11-23 07:23:38,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 41 [2023-11-23 07:23:38,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 07:23:38,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 07:23:38,255 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-23 07:23:38,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 21 [2023-11-23 07:23:38,827 INFO L349 Elim1Store]: treesize reduction 108, result has 9.2 percent of original size [2023-11-23 07:23:38,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 1285 treesize of output 978 [2023-11-23 07:23:38,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 07:23:38,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 07:23:38,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 07:23:38,897 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-23 07:23:38,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 878 treesize of output 908 [2023-11-23 07:23:38,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 07:23:38,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 07:23:38,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 07:23:38,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 07:23:40,045 INFO L349 Elim1Store]: treesize reduction 1463, result has 18.2 percent of original size [2023-11-23 07:23:40,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 414 treesize of output 1189 [2023-11-23 07:23:44,471 INFO L349 Elim1Store]: treesize reduction 4098, result has 14.6 percent of original size [2023-11-23 07:23:44,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 11 new quantified variables, introduced 42 case distinctions, treesize of input 1676 treesize of output 3196 [2023-11-23 07:23:44,835 INFO L349 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2023-11-23 07:23:44,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 38 [2023-11-23 07:23:44,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 36 treesize of output 1 [2023-11-23 07:23:45,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 07:23:45,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 22 treesize of output 13 [2023-11-23 07:23:47,765 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 07:23:49,815 INFO L224 Elim1Store]: Index analysis took 670 ms [2023-11-23 07:23:50,261 INFO L349 Elim1Store]: treesize reduction 710, result has 10.8 percent of original size [2023-11-23 07:23:50,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 13 case distinctions, treesize of input 394 treesize of output 320 [2023-11-23 07:23:50,667 INFO L224 Elim1Store]: Index analysis took 329 ms [2023-11-23 07:23:50,836 INFO L349 Elim1Store]: treesize reduction 496, result has 3.3 percent of original size [2023-11-23 07:23:50,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 8 case distinctions, treesize of input 185 treesize of output 158 [2023-11-23 07:24:01,590 INFO L349 Elim1Store]: treesize reduction 236, result has 33.0 percent of original size [2023-11-23 07:24:01,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 775 treesize of output 777 [2023-11-23 07:24:13,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 07:24:13,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48871 treesize of output 43409 [2023-11-23 07:24:26,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-23 07:24:26,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-23 07:24:26,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-23 07:24:26,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-23 07:24:27,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-23 07:24:27,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-23 07:24:27,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-23 07:26:29,579 WARN L293 SmtUtils]: Spent 6.67s on a formula simplification. DAG size of input: 2779 DAG size of output: 2808 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Killed by 15