./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/aws-c-common/aws_priority_queue_push_ref_harness.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_priority_queue_push_ref_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 00eefb20b1e97d60d3c6a842acdb225be14d327e18edfa8146d29fe131145042 --preprocessor.use.memory.slicer true --- Real Ultimate output --- This is Ultimate 0.2.3-?-abd6749-m [2023-11-23 07:37:49,136 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 07:37:49,215 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 07:37:49,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 07:37:49,224 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 07:37:49,253 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 07:37:49,254 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 07:37:49,254 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 07:37:49,255 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 07:37:49,259 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 07:37:49,259 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 07:37:49,259 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 07:37:49,260 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 07:37:49,262 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 07:37:49,262 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 07:37:49,262 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 07:37:49,263 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 07:37:49,263 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 07:37:49,263 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 07:37:49,263 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 07:37:49,264 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 07:37:49,264 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 07:37:49,264 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 07:37:49,265 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 07:37:49,265 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 07:37:49,265 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 07:37:49,266 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 07:37:49,266 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 07:37:49,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 07:37:49,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 07:37:49,268 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 07:37:49,268 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 07:37:49,268 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 07:37:49,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 07:37:49,268 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 07:37:49,269 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 07:37:49,269 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 07:37:49,269 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 07:37:49,269 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 07:37:49,269 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00eefb20b1e97d60d3c6a842acdb225be14d327e18edfa8146d29fe131145042 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> true [2023-11-23 07:37:49,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 07:37:49,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 07:37:49,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 07:37:49,557 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 07:37:49,557 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 07:37:49,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_priority_queue_push_ref_harness.i [2023-11-23 07:37:50,731 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 07:37:51,207 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 07:37:51,207 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_priority_queue_push_ref_harness.i [2023-11-23 07:37:51,246 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1c1f56d0/5afebf094431471590993088c82b0cd9/FLAGfa8bf5c44 [2023-11-23 07:37:51,260 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1c1f56d0/5afebf094431471590993088c82b0cd9 [2023-11-23 07:37:51,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 07:37:51,263 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 07:37:51,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 07:37:51,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 07:37:51,271 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 07:37:51,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:37:51" (1/1) ... [2023-11-23 07:37:51,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3595c24e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:51, skipping insertion in model container [2023-11-23 07:37:51,273 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:37:51" (1/1) ... [2023-11-23 07:37:51,410 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 07:37:51,656 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_priority_queue_push_ref_harness.i[4501,4514] [2023-11-23 07:37:51,665 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_priority_queue_push_ref_harness.i[4561,4574] [2023-11-23 07:37:52,505 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:52,507 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:52,507 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:52,508 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:52,511 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:52,523 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:52,533 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:52,535 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:52,535 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:52,537 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:52,538 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:52,540 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:52,540 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:52,889 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 07:37:52,890 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 07:37:52,891 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 07:37:52,892 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 07:37:52,893 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 07:37:52,893 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 07:37:52,894 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 07:37:52,894 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 07:37:52,895 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 07:37:52,895 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 07:37:53,102 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,108 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,172 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,174 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,175 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,175 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,175 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,177 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,178 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,178 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,179 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,179 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,179 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,180 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,180 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,186 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,186 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,186 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,187 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,192 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,193 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,209 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,212 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,212 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 07:37:53,286 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 07:37:53,306 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_priority_queue_push_ref_harness.i[4501,4514] [2023-11-23 07:37:53,307 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_priority_queue_push_ref_harness.i[4561,4574] [2023-11-23 07:37:53,359 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,362 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,363 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,363 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,364 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,373 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,375 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,376 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,376 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,377 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,377 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,378 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,379 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,417 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 07:37:53,418 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 07:37:53,418 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 07:37:53,419 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 07:37:53,420 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 07:37:53,420 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 07:37:53,420 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 07:37:53,421 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 07:37:53,422 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 07:37:53,422 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 07:37:53,465 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,475 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,480 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7771-7782] [2023-11-23 07:37:53,505 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,508 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,508 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,508 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,509 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,509 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,509 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,510 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,510 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,510 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,510 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,511 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,511 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,512 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,512 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,512 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,512 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,514 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,514 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,526 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,526 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,527 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:37:53,536 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 07:37:53,780 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:37:53,780 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:37:53,780 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:37:53,781 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:37:53,781 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:37:53,781 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:37:53,781 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:37:53,781 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:37:53,781 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:37:53,781 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:37:53,782 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:37:53,782 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:37:53,782 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:37:53,782 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:37:53,782 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:37:53,789 INFO L206 MainTranslator]: Completed translation [2023-11-23 07:37:53,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:53 WrapperNode [2023-11-23 07:37:53,791 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 07:37:53,792 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 07:37:53,793 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 07:37:53,793 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 07:37:53,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:53" (1/1) ... [2023-11-23 07:37:53,884 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:53" (1/1) ... [2023-11-23 07:37:53,950 INFO L138 Inliner]: procedures = 696, calls = 1881, calls flagged for inlining = 58, calls inlined = 17, statements flattened = 1147 [2023-11-23 07:37:53,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 07:37:53,951 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 07:37:53,951 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 07:37:53,951 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 07:37:53,962 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:53" (1/1) ... [2023-11-23 07:37:53,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:53" (1/1) ... [2023-11-23 07:37:53,972 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:53" (1/1) ... [2023-11-23 07:37:54,112 INFO L188 MemorySlicer]: Split 372 memory accesses to 8 slices as follows [2, 91, 24, 236, 7, 0, 9, 3]. 63 percent of accesses are in the largest equivalence class. The 249 initializations are split as follows [2, 0, 5, 236, 2, 0, 1, 3]. The 23 writes are split as follows [0, 13, 8, 0, 1, 0, 1, 0]. [2023-11-23 07:37:54,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:53" (1/1) ... [2023-11-23 07:37:54,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:53" (1/1) ... [2023-11-23 07:37:54,170 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:53" (1/1) ... [2023-11-23 07:37:54,187 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:53" (1/1) ... [2023-11-23 07:37:54,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:53" (1/1) ... [2023-11-23 07:37:54,214 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:53" (1/1) ... [2023-11-23 07:37:54,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 07:37:54,237 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 07:37:54,237 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 07:37:54,237 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 07:37:54,238 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:53" (1/1) ... [2023-11-23 07:37:54,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 07:37:54,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:37:54,269 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 07:37:54,297 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 07:37:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2023-11-23 07:37:54,326 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2023-11-23 07:37:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2023-11-23 07:37:54,326 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2023-11-23 07:37:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2023-11-23 07:37:54,326 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2023-11-23 07:37:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 07:37:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2023-11-23 07:37:54,327 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2023-11-23 07:37:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2023-11-23 07:37:54,327 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2023-11-23 07:37:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-23 07:37:54,327 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-23 07:37:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2023-11-23 07:37:54,327 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2023-11-23 07:37:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2023-11-23 07:37:54,328 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2023-11-23 07:37:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-23 07:37:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-23 07:37:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-23 07:37:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-23 07:37:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-23 07:37:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-23 07:37:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-23 07:37:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-23 07:37:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-23 07:37:54,330 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-23 07:37:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 07:37:54,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 07:37:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 07:37:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 07:37:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-23 07:37:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-23 07:37:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-23 07:37:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-23 07:37:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-23 07:37:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-23 07:37:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-23 07:37:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-23 07:37:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2023-11-23 07:37:54,335 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2023-11-23 07:37:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2023-11-23 07:37:54,336 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2023-11-23 07:37:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 07:37:54,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 07:37:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 07:37:54,336 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 07:37:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-23 07:37:54,342 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-23 07:37:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2023-11-23 07:37:54,342 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2023-11-23 07:37:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2023-11-23 07:37:54,342 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2023-11-23 07:37:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2023-11-23 07:37:54,343 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2023-11-23 07:37:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2023-11-23 07:37:54,343 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2023-11-23 07:37:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-23 07:37:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-23 07:37:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-23 07:37:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-23 07:37:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-23 07:37:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-23 07:37:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-23 07:37:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-23 07:37:54,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-23 07:37:54,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-23 07:37:54,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-23 07:37:54,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-23 07:37:54,345 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-23 07:37:54,345 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-23 07:37:54,345 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-23 07:37:54,345 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-23 07:37:54,345 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 07:37:54,345 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 07:37:54,345 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2023-11-23 07:37:54,345 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2023-11-23 07:37:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2023-11-23 07:37:54,346 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2023-11-23 07:37:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2023-11-23 07:37:54,346 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2023-11-23 07:37:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 07:37:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2023-11-23 07:37:54,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2023-11-23 07:37:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-23 07:37:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-23 07:37:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-23 07:37:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-23 07:37:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-23 07:37:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-23 07:37:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-23 07:37:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-23 07:37:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-23 07:37:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-23 07:37:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-23 07:37:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-23 07:37:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-23 07:37:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-23 07:37:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-23 07:37:54,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-23 07:37:54,349 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_push_ref [2023-11-23 07:37:54,349 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_push_ref [2023-11-23 07:37:54,349 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2023-11-23 07:37:54,349 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2023-11-23 07:37:54,349 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-23 07:37:54,349 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-23 07:37:54,349 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-23 07:37:54,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-23 07:37:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2023-11-23 07:37:54,350 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2023-11-23 07:37:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-23 07:37:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-23 07:37:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-23 07:37:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-23 07:37:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-23 07:37:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-23 07:37:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-23 07:37:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-23 07:37:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2023-11-23 07:37:54,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2023-11-23 07:37:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2023-11-23 07:37:54,351 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2023-11-23 07:37:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2023-11-23 07:37:54,351 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2023-11-23 07:37:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 07:37:54,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 07:37:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 07:37:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-23 07:37:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-23 07:37:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-23 07:37:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-23 07:37:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-23 07:37:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-23 07:37:54,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-23 07:37:54,689 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 07:37:54,692 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 07:37:55,815 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 07:37:55,915 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 07:37:55,916 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-23 07:37:55,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:37:55 BoogieIcfgContainer [2023-11-23 07:37:55,916 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 07:37:55,918 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 07:37:55,918 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 07:37:55,922 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 07:37:55,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:37:51" (1/3) ... [2023-11-23 07:37:55,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55081b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:37:55, skipping insertion in model container [2023-11-23 07:37:55,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:53" (2/3) ... [2023-11-23 07:37:55,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55081b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:37:55, skipping insertion in model container [2023-11-23 07:37:55,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:37:55" (3/3) ... [2023-11-23 07:37:55,924 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_ref_harness.i [2023-11-23 07:37:55,941 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 07:37:55,941 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-23 07:37:55,992 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 07:37:55,998 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;@60caaad1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 07:37:55,999 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-23 07:37:56,004 INFO L276 IsEmpty]: Start isEmpty. Operand has 504 states, 275 states have (on average 1.2763636363636364) internal successors, (351), 278 states have internal predecessors, (351), 193 states have call successors, (193), 34 states have call predecessors, (193), 34 states have return successors, (193), 193 states have call predecessors, (193), 193 states have call successors, (193) [2023-11-23 07:37:56,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-23 07:37:56,020 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:37:56,021 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-23 07:37:56,022 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:37:56,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:37:56,027 INFO L85 PathProgramCache]: Analyzing trace with hash 642277253, now seen corresponding path program 1 times [2023-11-23 07:37:56,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:37:56,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232121081] [2023-11-23 07:37:56,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:37:56,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:37:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:37:56,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:37:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:37:56,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 07:37:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:37:56,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 07:37:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:37:56,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 07:37:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:37:57,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 07:37:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:37:57,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 07:37:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:37:57,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 07:37:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:37:57,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 07:37:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:37:57,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 07:37:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:37:57,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 07:37:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:37:57,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-23 07:37:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:37:57,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 07:37:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:37:57,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:37:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:37:57,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-23 07:37:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:37:57,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:37:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:37:57,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 07:37:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:37:57,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-23 07:37:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:37:57,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 07:37:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:37:57,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 07:37:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:37:57,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 07:37:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:37:57,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-23 07:37:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:37:57,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-23 07:37:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:37:57,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-23 07:37:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:37:57,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 07:37:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:37:57,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-23 07:37:57,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:37:57,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-23 07:37:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:37:57,445 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2023-11-23 07:37:57,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:37:57,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232121081] [2023-11-23 07:37:57,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232121081] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:37:57,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 07:37:57,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 07:37:57,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118668531] [2023-11-23 07:37:57,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:37:57,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 07:37:57,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:37:57,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 07:37:57,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-23 07:37:57,491 INFO L87 Difference]: Start difference. First operand has 504 states, 275 states have (on average 1.2763636363636364) internal successors, (351), 278 states have internal predecessors, (351), 193 states have call successors, (193), 34 states have call predecessors, (193), 34 states have return successors, (193), 193 states have call predecessors, (193), 193 states have call successors, (193) Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (26), 5 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-23 07:38:00,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:38:00,143 INFO L93 Difference]: Finished difference Result 1153 states and 1944 transitions. [2023-11-23 07:38:00,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 07:38:00,145 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (26), 5 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 151 [2023-11-23 07:38:00,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:38:00,172 INFO L225 Difference]: With dead ends: 1153 [2023-11-23 07:38:00,172 INFO L226 Difference]: Without dead ends: 655 [2023-11-23 07:38:00,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-23 07:38:00,187 INFO L413 NwaCegarLoop]: 566 mSDtfsCounter, 316 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 569 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 1056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 569 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-23 07:38:00,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 834 Invalid, 1056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [569 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-23 07:38:00,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2023-11-23 07:38:00,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 501. [2023-11-23 07:38:00,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 273 states have (on average 1.2527472527472527) internal successors, (342), 275 states have internal predecessors, (342), 193 states have call successors, (193), 34 states have call predecessors, (193), 33 states have return successors, (191), 191 states have call predecessors, (191), 191 states have call successors, (191) [2023-11-23 07:38:00,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 726 transitions. [2023-11-23 07:38:00,332 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 726 transitions. Word has length 151 [2023-11-23 07:38:00,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:38:00,333 INFO L495 AbstractCegarLoop]: Abstraction has 501 states and 726 transitions. [2023-11-23 07:38:00,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (26), 5 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-23 07:38:00,333 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 726 transitions. [2023-11-23 07:38:00,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-23 07:38:00,345 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:38:00,345 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-23 07:38:00,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 07:38:00,345 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:38:00,346 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:38:00,346 INFO L85 PathProgramCache]: Analyzing trace with hash -2054018241, now seen corresponding path program 1 times [2023-11-23 07:38:00,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:38:00,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460460098] [2023-11-23 07:38:00,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:00,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:38:00,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:00,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:38:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:00,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 07:38:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:00,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 07:38:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:00,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 07:38:00,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:00,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 07:38:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:01,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 07:38:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:01,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 07:38:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:01,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 07:38:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:01,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 07:38:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:01,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 07:38:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:01,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-23 07:38:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:01,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 07:38:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:01,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:38:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:01,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-23 07:38:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:01,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:38:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:01,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 07:38:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:01,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-23 07:38:01,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:01,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 07:38:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:01,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 07:38:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:01,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 07:38:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:01,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-23 07:38:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:01,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-23 07:38:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:01,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-23 07:38:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:01,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 07:38:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:01,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-23 07:38:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:01,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-23 07:38:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:01,361 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2023-11-23 07:38:01,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:38:01,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460460098] [2023-11-23 07:38:01,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460460098] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 07:38:01,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346450696] [2023-11-23 07:38:01,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:01,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:38:01,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:38:01,364 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 07:38:01,371 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 07:38:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:01,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 2898 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 07:38:01,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:38:02,070 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-11-23 07:38:02,071 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 07:38:02,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1346450696] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:38:02,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 07:38:02,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2023-11-23 07:38:02,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459366479] [2023-11-23 07:38:02,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:38:02,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 07:38:02,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:38:02,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 07:38:02,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-23 07:38:02,075 INFO L87 Difference]: Start difference. First operand 501 states and 726 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-23 07:38:02,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:38:02,350 INFO L93 Difference]: Finished difference Result 975 states and 1422 transitions. [2023-11-23 07:38:02,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 07:38:02,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 151 [2023-11-23 07:38:02,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:38:02,354 INFO L225 Difference]: With dead ends: 975 [2023-11-23 07:38:02,354 INFO L226 Difference]: Without dead ends: 503 [2023-11-23 07:38:02,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-23 07:38:02,358 INFO L413 NwaCegarLoop]: 683 mSDtfsCounter, 32 mSDsluCounter, 1984 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 2667 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 07:38:02,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 2667 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 07:38:02,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2023-11-23 07:38:02,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 503. [2023-11-23 07:38:02,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 274 states have (on average 1.2518248175182483) internal successors, (343), 277 states have internal predecessors, (343), 193 states have call successors, (193), 34 states have call predecessors, (193), 34 states have return successors, (199), 191 states have call predecessors, (199), 191 states have call successors, (199) [2023-11-23 07:38:02,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 735 transitions. [2023-11-23 07:38:02,430 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 735 transitions. Word has length 151 [2023-11-23 07:38:02,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:38:02,431 INFO L495 AbstractCegarLoop]: Abstraction has 503 states and 735 transitions. [2023-11-23 07:38:02,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-23 07:38:02,431 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 735 transitions. [2023-11-23 07:38:02,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-23 07:38:02,433 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:38:02,433 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-23 07:38:02,456 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 07:38:02,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:38:02,654 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:38:02,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:38:02,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1771671069, now seen corresponding path program 1 times [2023-11-23 07:38:02,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:38:02,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267322306] [2023-11-23 07:38:02,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:02,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:38:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:03,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:38:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:03,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 07:38:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:03,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 07:38:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:03,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 07:38:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:03,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 07:38:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:03,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 07:38:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:03,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 07:38:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:03,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 07:38:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:03,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 07:38:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:03,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 07:38:03,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:03,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 07:38:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:03,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 07:38:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:03,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 07:38:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:03,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:38:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:03,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-23 07:38:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:03,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:38:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:03,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-23 07:38:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:03,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 07:38:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:03,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-23 07:38:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:03,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-23 07:38:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:03,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-23 07:38:03,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:03,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-23 07:38:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:03,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 07:38:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:03,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-23 07:38:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:03,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-23 07:38:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:03,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-23 07:38:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:03,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-23 07:38:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:03,698 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2023-11-23 07:38:03,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:38:03,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267322306] [2023-11-23 07:38:03,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267322306] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 07:38:03,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170215865] [2023-11-23 07:38:03,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:03,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:38:03,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:38:03,700 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 07:38:03,706 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 07:38:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:04,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 3004 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 07:38:04,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:38:04,466 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-11-23 07:38:04,467 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 07:38:04,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [170215865] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:38:04,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 07:38:04,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2023-11-23 07:38:04,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355024624] [2023-11-23 07:38:04,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:38:04,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 07:38:04,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:38:04,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 07:38:04,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-11-23 07:38:04,471 INFO L87 Difference]: Start difference. First operand 503 states and 735 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 4 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2023-11-23 07:38:05,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:38:05,282 INFO L93 Difference]: Finished difference Result 998 states and 1498 transitions. [2023-11-23 07:38:05,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 07:38:05,282 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 4 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 159 [2023-11-23 07:38:05,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:38:05,288 INFO L225 Difference]: With dead ends: 998 [2023-11-23 07:38:05,288 INFO L226 Difference]: Without dead ends: 524 [2023-11-23 07:38:05,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2023-11-23 07:38:05,293 INFO L413 NwaCegarLoop]: 646 mSDtfsCounter, 83 mSDsluCounter, 3095 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 3741 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 07:38:05,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 3741 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 07:38:05,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2023-11-23 07:38:05,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 522. [2023-11-23 07:38:05,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 290 states have (on average 1.2586206896551724) internal successors, (365), 293 states have internal predecessors, (365), 195 states have call successors, (195), 34 states have call predecessors, (195), 35 states have return successors, (233), 194 states have call predecessors, (233), 193 states have call successors, (233) [2023-11-23 07:38:05,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 793 transitions. [2023-11-23 07:38:05,349 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 793 transitions. Word has length 159 [2023-11-23 07:38:05,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:38:05,350 INFO L495 AbstractCegarLoop]: Abstraction has 522 states and 793 transitions. [2023-11-23 07:38:05,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 4 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2023-11-23 07:38:05,350 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 793 transitions. [2023-11-23 07:38:05,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-23 07:38:05,353 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:38:05,353 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-23 07:38:05,376 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-23 07:38:05,572 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,SelfDestructingSolverStorable2 [2023-11-23 07:38:05,573 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:38:05,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:38:05,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1068715458, now seen corresponding path program 1 times [2023-11-23 07:38:05,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:38:05,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459268813] [2023-11-23 07:38:05,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:05,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:38:05,697 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 07:38:05,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1584409982] [2023-11-23 07:38:05,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:05,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:38:05,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:38:05,699 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 07:38:05,715 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 07:38:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:06,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 3199 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 07:38:06,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:38:06,481 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-11-23 07:38:06,481 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 07:38:06,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:38:06,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459268813] [2023-11-23 07:38:06,482 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 07:38:06,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584409982] [2023-11-23 07:38:06,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584409982] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:38:06,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 07:38:06,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 07:38:06,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117176363] [2023-11-23 07:38:06,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:38:06,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 07:38:06,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:38:06,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 07:38:06,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 07:38:06,485 INFO L87 Difference]: Start difference. First operand 522 states and 793 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2023-11-23 07:38:06,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:38:06,984 INFO L93 Difference]: Finished difference Result 1021 states and 1567 transitions. [2023-11-23 07:38:06,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 07:38:06,985 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 172 [2023-11-23 07:38:06,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:38:06,989 INFO L225 Difference]: With dead ends: 1021 [2023-11-23 07:38:06,990 INFO L226 Difference]: Without dead ends: 528 [2023-11-23 07:38:06,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-23 07:38:06,997 INFO L413 NwaCegarLoop]: 676 mSDtfsCounter, 51 mSDsluCounter, 2619 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 3295 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 07:38:06,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 3295 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 07:38:07,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2023-11-23 07:38:07,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 522. [2023-11-23 07:38:07,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 290 states have (on average 1.2586206896551724) internal successors, (365), 293 states have internal predecessors, (365), 195 states have call successors, (195), 34 states have call predecessors, (195), 35 states have return successors, (233), 194 states have call predecessors, (233), 193 states have call successors, (233) [2023-11-23 07:38:07,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 793 transitions. [2023-11-23 07:38:07,046 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 793 transitions. Word has length 172 [2023-11-23 07:38:07,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:38:07,049 INFO L495 AbstractCegarLoop]: Abstraction has 522 states and 793 transitions. [2023-11-23 07:38:07,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2023-11-23 07:38:07,049 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 793 transitions. [2023-11-23 07:38:07,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-11-23 07:38:07,052 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:38:07,052 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 07:38:07,077 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 07:38:07,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:38:07,268 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:38:07,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:38:07,269 INFO L85 PathProgramCache]: Analyzing trace with hash -100863187, now seen corresponding path program 1 times [2023-11-23 07:38:07,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:38:07,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808670565] [2023-11-23 07:38:07,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:07,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:38:07,354 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 07:38:07,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [597556482] [2023-11-23 07:38:07,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:07,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:38:07,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:38:07,357 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 07:38:07,373 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 07:38:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:08,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 3322 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 07:38:08,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:38:08,177 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-11-23 07:38:08,177 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 07:38:08,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:38:08,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808670565] [2023-11-23 07:38:08,177 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 07:38:08,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597556482] [2023-11-23 07:38:08,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597556482] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:38:08,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 07:38:08,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 07:38:08,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437197989] [2023-11-23 07:38:08,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:38:08,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 07:38:08,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:38:08,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 07:38:08,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-23 07:38:08,180 INFO L87 Difference]: Start difference. First operand 522 states and 793 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 5 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) [2023-11-23 07:38:09,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:38:09,091 INFO L93 Difference]: Finished difference Result 1047 states and 1605 transitions. [2023-11-23 07:38:09,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 07:38:09,092 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 5 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) Word has length 188 [2023-11-23 07:38:09,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:38:09,098 INFO L225 Difference]: With dead ends: 1047 [2023-11-23 07:38:09,098 INFO L226 Difference]: Without dead ends: 554 [2023-11-23 07:38:09,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-23 07:38:09,101 INFO L413 NwaCegarLoop]: 640 mSDtfsCounter, 102 mSDsluCounter, 3684 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 4324 SdHoareTripleChecker+Invalid, 744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-23 07:38:09,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 4324 Invalid, 744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 734 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-23 07:38:09,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2023-11-23 07:38:09,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 522. [2023-11-23 07:38:09,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 290 states have (on average 1.2586206896551724) internal successors, (365), 293 states have internal predecessors, (365), 195 states have call successors, (195), 34 states have call predecessors, (195), 35 states have return successors, (233), 194 states have call predecessors, (233), 193 states have call successors, (233) [2023-11-23 07:38:09,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 793 transitions. [2023-11-23 07:38:09,141 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 793 transitions. Word has length 188 [2023-11-23 07:38:09,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:38:09,141 INFO L495 AbstractCegarLoop]: Abstraction has 522 states and 793 transitions. [2023-11-23 07:38:09,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 5 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) [2023-11-23 07:38:09,142 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 793 transitions. [2023-11-23 07:38:09,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-23 07:38:09,144 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:38:09,145 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-23 07:38:09,168 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 07:38:09,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:38:09,365 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:38:09,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:38:09,366 INFO L85 PathProgramCache]: Analyzing trace with hash -57519510, now seen corresponding path program 2 times [2023-11-23 07:38:09,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:38:09,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632504858] [2023-11-23 07:38:09,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:09,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:38:09,475 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 07:38:09,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [626622001] [2023-11-23 07:38:09,476 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-23 07:38:09,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:38:09,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:38:09,477 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 07:38:09,492 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 07:38:10,210 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-23 07:38:10,210 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 07:38:10,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 3517 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 07:38:10,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:38:10,300 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-23 07:38:10,301 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 07:38:10,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:38:10,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632504858] [2023-11-23 07:38:10,301 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 07:38:10,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626622001] [2023-11-23 07:38:10,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626622001] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:38:10,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 07:38:10,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 07:38:10,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522926670] [2023-11-23 07:38:10,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:38:10,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 07:38:10,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:38:10,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 07:38:10,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-23 07:38:10,304 INFO L87 Difference]: Start difference. First operand 522 states and 793 transitions. Second operand has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 4 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2023-11-23 07:38:10,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:38:10,842 INFO L93 Difference]: Finished difference Result 1005 states and 1535 transitions. [2023-11-23 07:38:10,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 07:38:10,843 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 4 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) Word has length 201 [2023-11-23 07:38:10,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:38:10,847 INFO L225 Difference]: With dead ends: 1005 [2023-11-23 07:38:10,847 INFO L226 Difference]: Without dead ends: 524 [2023-11-23 07:38:10,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-23 07:38:10,851 INFO L413 NwaCegarLoop]: 675 mSDtfsCounter, 124 mSDsluCounter, 3180 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 3855 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 07:38:10,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 3855 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 07:38:10,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2023-11-23 07:38:10,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2023-11-23 07:38:10,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 291 states have (on average 1.2577319587628866) internal successors, (366), 295 states have internal predecessors, (366), 195 states have call successors, (195), 34 states have call predecessors, (195), 36 states have return successors, (237), 194 states have call predecessors, (237), 193 states have call successors, (237) [2023-11-23 07:38:10,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 798 transitions. [2023-11-23 07:38:10,894 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 798 transitions. Word has length 201 [2023-11-23 07:38:10,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:38:10,894 INFO L495 AbstractCegarLoop]: Abstraction has 524 states and 798 transitions. [2023-11-23 07:38:10,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 4 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2023-11-23 07:38:10,895 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 798 transitions. [2023-11-23 07:38:10,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-23 07:38:10,897 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:38:10,897 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-23 07:38:10,918 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 07:38:11,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:38:11,115 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:38:11,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:38:11,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1974065394, now seen corresponding path program 1 times [2023-11-23 07:38:11,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:38:11,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642044009] [2023-11-23 07:38:11,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:11,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:38:11,196 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 07:38:11,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1090786130] [2023-11-23 07:38:11,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:11,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:38:11,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:38:11,198 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 07:38:11,215 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 07:38:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:11,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 3623 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 07:38:11,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:38:11,978 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2023-11-23 07:38:11,979 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 07:38:11,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:38:11,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642044009] [2023-11-23 07:38:11,979 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 07:38:11,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090786130] [2023-11-23 07:38:11,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090786130] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:38:11,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 07:38:11,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-23 07:38:11,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050059211] [2023-11-23 07:38:11,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:38:11,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 07:38:11,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:38:11,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 07:38:11,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-23 07:38:11,983 INFO L87 Difference]: Start difference. First operand 524 states and 798 transitions. Second operand has 9 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 5 states have call successors, (31), 3 states have call predecessors, (31), 4 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2023-11-23 07:38:12,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:38:12,926 INFO L93 Difference]: Finished difference Result 1023 states and 1565 transitions. [2023-11-23 07:38:12,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 07:38:12,926 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 5 states have call successors, (31), 3 states have call predecessors, (31), 4 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) Word has length 209 [2023-11-23 07:38:12,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:38:12,930 INFO L225 Difference]: With dead ends: 1023 [2023-11-23 07:38:12,931 INFO L226 Difference]: Without dead ends: 540 [2023-11-23 07:38:12,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-11-23 07:38:12,934 INFO L413 NwaCegarLoop]: 657 mSDtfsCounter, 158 mSDsluCounter, 4304 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 4961 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-23 07:38:12,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 4961 Invalid, 852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-23 07:38:12,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2023-11-23 07:38:12,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 538. [2023-11-23 07:38:12,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 304 states have (on average 1.263157894736842) internal successors, (384), 307 states have internal predecessors, (384), 196 states have call successors, (196), 34 states have call predecessors, (196), 36 states have return successors, (238), 196 states have call predecessors, (238), 194 states have call successors, (238) [2023-11-23 07:38:12,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 818 transitions. [2023-11-23 07:38:12,970 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 818 transitions. Word has length 209 [2023-11-23 07:38:12,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:38:12,971 INFO L495 AbstractCegarLoop]: Abstraction has 538 states and 818 transitions. [2023-11-23 07:38:12,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 5 states have call successors, (31), 3 states have call predecessors, (31), 4 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2023-11-23 07:38:12,971 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 818 transitions. [2023-11-23 07:38:12,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-11-23 07:38:12,974 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:38:12,974 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-23 07:38:12,998 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 07:38:13,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:38:13,195 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:38:13,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:38:13,196 INFO L85 PathProgramCache]: Analyzing trace with hash -560749105, now seen corresponding path program 2 times [2023-11-23 07:38:13,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:38:13,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786694712] [2023-11-23 07:38:13,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:13,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:38:13,294 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 07:38:13,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [211067846] [2023-11-23 07:38:13,294 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-23 07:38:13,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:38:13,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:38:13,296 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 07:38:13,312 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 07:38:14,016 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-23 07:38:14,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 07:38:14,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 3818 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 07:38:14,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:38:14,122 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-11-23 07:38:14,123 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 07:38:14,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:38:14,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786694712] [2023-11-23 07:38:14,123 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 07:38:14,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211067846] [2023-11-23 07:38:14,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211067846] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:38:14,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 07:38:14,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 07:38:14,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411121603] [2023-11-23 07:38:14,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:38:14,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 07:38:14,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:38:14,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 07:38:14,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-23 07:38:14,126 INFO L87 Difference]: Start difference. First operand 538 states and 818 transitions. Second operand has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 5 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2023-11-23 07:38:14,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:38:14,967 INFO L93 Difference]: Finished difference Result 1041 states and 1592 transitions. [2023-11-23 07:38:14,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 07:38:14,968 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 5 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) Word has length 222 [2023-11-23 07:38:14,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:38:14,971 INFO L225 Difference]: With dead ends: 1041 [2023-11-23 07:38:14,971 INFO L226 Difference]: Without dead ends: 544 [2023-11-23 07:38:14,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-23 07:38:14,975 INFO L413 NwaCegarLoop]: 668 mSDtfsCounter, 143 mSDsluCounter, 3793 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 4461 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 07:38:14,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 4461 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 07:38:14,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2023-11-23 07:38:15,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 538. [2023-11-23 07:38:15,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 304 states have (on average 1.263157894736842) internal successors, (384), 307 states have internal predecessors, (384), 196 states have call successors, (196), 34 states have call predecessors, (196), 36 states have return successors, (238), 196 states have call predecessors, (238), 194 states have call successors, (238) [2023-11-23 07:38:15,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 818 transitions. [2023-11-23 07:38:15,013 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 818 transitions. Word has length 222 [2023-11-23 07:38:15,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:38:15,014 INFO L495 AbstractCegarLoop]: Abstraction has 538 states and 818 transitions. [2023-11-23 07:38:15,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 5 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2023-11-23 07:38:15,014 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 818 transitions. [2023-11-23 07:38:15,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-11-23 07:38:15,017 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:38:15,017 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-23 07:38:15,042 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 07:38:15,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:38:15,240 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:38:15,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:38:15,241 INFO L85 PathProgramCache]: Analyzing trace with hash -597697538, now seen corresponding path program 1 times [2023-11-23 07:38:15,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:38:15,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119325346] [2023-11-23 07:38:15,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:15,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:38:15,325 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 07:38:15,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [733740158] [2023-11-23 07:38:15,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:15,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:38:15,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:38:15,327 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 07:38:15,329 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 07:38:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:16,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 3941 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 07:38:16,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:38:16,289 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2023-11-23 07:38:16,290 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 07:38:16,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:38:16,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119325346] [2023-11-23 07:38:16,290 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 07:38:16,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733740158] [2023-11-23 07:38:16,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733740158] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:38:16,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 07:38:16,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-23 07:38:16,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002119094] [2023-11-23 07:38:16,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:38:16,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 07:38:16,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:38:16,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 07:38:16,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-23 07:38:16,293 INFO L87 Difference]: Start difference. First operand 538 states and 818 transitions. Second operand has 10 states, 9 states have (on average 10.444444444444445) internal successors, (94), 9 states have internal predecessors, (94), 6 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (29), 5 states have call predecessors, (29), 6 states have call successors, (29) [2023-11-23 07:38:17,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:38:17,445 INFO L93 Difference]: Finished difference Result 1051 states and 1601 transitions. [2023-11-23 07:38:17,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 07:38:17,446 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.444444444444445) internal successors, (94), 9 states have internal predecessors, (94), 6 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (29), 5 states have call predecessors, (29), 6 states have call successors, (29) Word has length 238 [2023-11-23 07:38:17,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:38:17,451 INFO L225 Difference]: With dead ends: 1051 [2023-11-23 07:38:17,451 INFO L226 Difference]: Without dead ends: 554 [2023-11-23 07:38:17,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2023-11-23 07:38:17,458 INFO L413 NwaCegarLoop]: 632 mSDtfsCounter, 194 mSDsluCounter, 4776 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 5408 SdHoareTripleChecker+Invalid, 1005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-23 07:38:17,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 5408 Invalid, 1005 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-23 07:38:17,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2023-11-23 07:38:17,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 522. [2023-11-23 07:38:17,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 290 states have (on average 1.2586206896551724) internal successors, (365), 293 states have internal predecessors, (365), 195 states have call successors, (195), 34 states have call predecessors, (195), 35 states have return successors, (229), 194 states have call predecessors, (229), 193 states have call successors, (229) [2023-11-23 07:38:17,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 789 transitions. [2023-11-23 07:38:17,495 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 789 transitions. Word has length 238 [2023-11-23 07:38:17,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:38:17,498 INFO L495 AbstractCegarLoop]: Abstraction has 522 states and 789 transitions. [2023-11-23 07:38:17,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.444444444444445) internal successors, (94), 9 states have internal predecessors, (94), 6 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (29), 5 states have call predecessors, (29), 6 states have call successors, (29) [2023-11-23 07:38:17,499 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 789 transitions. [2023-11-23 07:38:17,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2023-11-23 07:38:17,501 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:38:17,501 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-23 07:38:17,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-23 07:38:17,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-23 07:38:17,716 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:38:17,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:38:17,717 INFO L85 PathProgramCache]: Analyzing trace with hash -528570219, now seen corresponding path program 2 times [2023-11-23 07:38:17,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:38:17,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459465561] [2023-11-23 07:38:17,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:17,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:38:17,810 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 07:38:17,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [18411227] [2023-11-23 07:38:17,811 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-23 07:38:17,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:38:17,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:38:17,817 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 07:38:17,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-23 07:38:18,583 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-23 07:38:18,583 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 07:38:18,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 4136 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 07:38:18,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:38:18,698 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2023-11-23 07:38:18,698 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 07:38:18,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:38:18,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459465561] [2023-11-23 07:38:18,699 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 07:38:18,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18411227] [2023-11-23 07:38:18,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18411227] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:38:18,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 07:38:18,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 07:38:18,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068674030] [2023-11-23 07:38:18,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:38:18,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 07:38:18,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:38:18,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 07:38:18,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-23 07:38:18,703 INFO L87 Difference]: Start difference. First operand 522 states and 789 transitions. Second operand has 8 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 5 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 5 states have call successors, (27) [2023-11-23 07:38:19,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:38:19,479 INFO L93 Difference]: Finished difference Result 997 states and 1508 transitions. [2023-11-23 07:38:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 07:38:19,480 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 5 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 5 states have call successors, (27) Word has length 251 [2023-11-23 07:38:19,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:38:19,484 INFO L225 Difference]: With dead ends: 997 [2023-11-23 07:38:19,484 INFO L226 Difference]: Without dead ends: 522 [2023-11-23 07:38:19,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-23 07:38:19,487 INFO L413 NwaCegarLoop]: 648 mSDtfsCounter, 126 mSDsluCounter, 3650 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 4298 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 07:38:19,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 4298 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 07:38:19,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2023-11-23 07:38:19,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 522. [2023-11-23 07:38:19,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 290 states have (on average 1.2586206896551724) internal successors, (365), 293 states have internal predecessors, (365), 195 states have call successors, (195), 34 states have call predecessors, (195), 35 states have return successors, (226), 194 states have call predecessors, (226), 193 states have call successors, (226) [2023-11-23 07:38:19,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 786 transitions. [2023-11-23 07:38:19,567 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 786 transitions. Word has length 251 [2023-11-23 07:38:19,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:38:19,567 INFO L495 AbstractCegarLoop]: Abstraction has 522 states and 786 transitions. [2023-11-23 07:38:19,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 5 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 5 states have call successors, (27) [2023-11-23 07:38:19,568 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 786 transitions. [2023-11-23 07:38:19,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2023-11-23 07:38:19,571 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:38:19,571 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-23 07:38:19,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-23 07:38:19,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-23 07:38:19,795 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:38:19,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:38:19,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1615124458, now seen corresponding path program 3 times [2023-11-23 07:38:19,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:38:19,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578847601] [2023-11-23 07:38:19,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:19,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:38:19,897 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 07:38:19,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1212452291] [2023-11-23 07:38:19,898 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-23 07:38:19,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:38:19,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:38:19,899 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 07:38:19,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-23 07:38:20,502 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-23 07:38:20,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 07:38:20,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 1989 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 07:38:20,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:38:20,554 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2023-11-23 07:38:20,554 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 07:38:20,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:38:20,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578847601] [2023-11-23 07:38:20,554 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 07:38:20,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212452291] [2023-11-23 07:38:20,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212452291] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:38:20,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 07:38:20,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 07:38:20,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382072272] [2023-11-23 07:38:20,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:38:20,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 07:38:20,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:38:20,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 07:38:20,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 07:38:20,557 INFO L87 Difference]: Start difference. First operand 522 states and 786 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-11-23 07:38:21,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:38:21,044 INFO L93 Difference]: Finished difference Result 992 states and 1511 transitions. [2023-11-23 07:38:21,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 07:38:21,044 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 264 [2023-11-23 07:38:21,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:38:21,049 INFO L225 Difference]: With dead ends: 992 [2023-11-23 07:38:21,049 INFO L226 Difference]: Without dead ends: 522 [2023-11-23 07:38:21,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-23 07:38:21,053 INFO L413 NwaCegarLoop]: 656 mSDtfsCounter, 2 mSDsluCounter, 2533 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3189 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 07:38:21,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3189 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 07:38:21,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2023-11-23 07:38:21,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 522. [2023-11-23 07:38:21,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 290 states have (on average 1.2586206896551724) internal successors, (365), 293 states have internal predecessors, (365), 195 states have call successors, (195), 34 states have call predecessors, (195), 35 states have return successors, (225), 194 states have call predecessors, (225), 193 states have call successors, (225) [2023-11-23 07:38:21,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 785 transitions. [2023-11-23 07:38:21,092 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 785 transitions. Word has length 264 [2023-11-23 07:38:21,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:38:21,093 INFO L495 AbstractCegarLoop]: Abstraction has 522 states and 785 transitions. [2023-11-23 07:38:21,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-11-23 07:38:21,093 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 785 transitions. [2023-11-23 07:38:21,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2023-11-23 07:38:21,095 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:38:21,096 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-23 07:38:21,118 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-23 07:38:21,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-23 07:38:21,313 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:38:21,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:38:21,313 INFO L85 PathProgramCache]: Analyzing trace with hash 830495139, now seen corresponding path program 4 times [2023-11-23 07:38:21,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:38:21,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7560766] [2023-11-23 07:38:21,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:21,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:38:21,453 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 07:38:21,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1011241422] [2023-11-23 07:38:21,453 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-23 07:38:21,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:38:21,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:38:21,455 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 07:38:21,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-23 07:38:22,367 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-23 07:38:22,368 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 07:38:22,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 4526 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 07:38:22,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:38:22,503 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 521 trivial. 0 not checked. [2023-11-23 07:38:22,504 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 07:38:22,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:38:22,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7560766] [2023-11-23 07:38:22,504 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 07:38:22,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011241422] [2023-11-23 07:38:22,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011241422] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:38:22,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 07:38:22,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-23 07:38:22,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114822160] [2023-11-23 07:38:22,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:38:22,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 07:38:22,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:38:22,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 07:38:22,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-23 07:38:22,507 INFO L87 Difference]: Start difference. First operand 522 states and 785 transitions. Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 8 states have internal predecessors, (71), 6 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (27), 6 states have call predecessors, (27), 5 states have call successors, (27) [2023-11-23 07:38:23,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:38:23,301 INFO L93 Difference]: Finished difference Result 1002 states and 1511 transitions. [2023-11-23 07:38:23,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 07:38:23,302 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 8 states have internal predecessors, (71), 6 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (27), 6 states have call predecessors, (27), 5 states have call successors, (27) Word has length 277 [2023-11-23 07:38:23,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:38:23,306 INFO L225 Difference]: With dead ends: 1002 [2023-11-23 07:38:23,306 INFO L226 Difference]: Without dead ends: 533 [2023-11-23 07:38:23,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-11-23 07:38:23,310 INFO L413 NwaCegarLoop]: 642 mSDtfsCounter, 131 mSDsluCounter, 4900 mSDsCounter, 0 mSdLazyCounter, 775 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 5542 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 07:38:23,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 5542 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 775 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 07:38:23,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2023-11-23 07:38:23,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 533. [2023-11-23 07:38:23,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 295 states have (on average 1.2576271186440677) internal successors, (371), 298 states have internal predecessors, (371), 200 states have call successors, (200), 35 states have call predecessors, (200), 36 states have return successors, (230), 199 states have call predecessors, (230), 198 states have call successors, (230) [2023-11-23 07:38:23,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 801 transitions. [2023-11-23 07:38:23,348 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 801 transitions. Word has length 277 [2023-11-23 07:38:23,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:38:23,349 INFO L495 AbstractCegarLoop]: Abstraction has 533 states and 801 transitions. [2023-11-23 07:38:23,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 8 states have internal predecessors, (71), 6 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (27), 6 states have call predecessors, (27), 5 states have call successors, (27) [2023-11-23 07:38:23,349 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 801 transitions. [2023-11-23 07:38:23,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2023-11-23 07:38:23,351 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:38:23,351 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-23 07:38:23,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-23 07:38:23,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-23 07:38:23,564 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:38:23,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:38:23,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1218094988, now seen corresponding path program 1 times [2023-11-23 07:38:23,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:38:23,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393173008] [2023-11-23 07:38:23,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:23,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:38:23,647 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 07:38:23,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [448244198] [2023-11-23 07:38:23,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:23,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:38:23,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:38:23,649 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 07:38:23,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-23 07:38:24,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:24,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 4721 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-23 07:38:24,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:38:24,730 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 266 proven. 2 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2023-11-23 07:38:24,730 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 07:38:24,980 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 615 trivial. 0 not checked. [2023-11-23 07:38:24,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:38:24,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393173008] [2023-11-23 07:38:24,981 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 07:38:24,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448244198] [2023-11-23 07:38:24,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448244198] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 07:38:24,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 07:38:24,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2023-11-23 07:38:24,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887453090] [2023-11-23 07:38:24,982 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 07:38:24,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 07:38:24,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:38:24,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 07:38:24,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-23 07:38:24,983 INFO L87 Difference]: Start difference. First operand 533 states and 801 transitions. Second operand has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 5 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (34), 6 states have call predecessors, (34), 5 states have call successors, (34) [2023-11-23 07:38:25,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:38:25,920 INFO L93 Difference]: Finished difference Result 1095 states and 1656 transitions. [2023-11-23 07:38:25,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 07:38:25,920 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 5 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (34), 6 states have call predecessors, (34), 5 states have call successors, (34) Word has length 290 [2023-11-23 07:38:25,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:38:25,925 INFO L225 Difference]: With dead ends: 1095 [2023-11-23 07:38:25,926 INFO L226 Difference]: Without dead ends: 612 [2023-11-23 07:38:25,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 581 GetRequests, 570 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-11-23 07:38:25,929 INFO L413 NwaCegarLoop]: 712 mSDtfsCounter, 110 mSDsluCounter, 5663 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 6375 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-23 07:38:25,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 6375 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-23 07:38:25,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2023-11-23 07:38:25,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 607. [2023-11-23 07:38:25,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 336 states have (on average 1.2648809523809523) internal successors, (425), 340 states have internal predecessors, (425), 231 states have call successors, (231), 36 states have call predecessors, (231), 38 states have return successors, (265), 230 states have call predecessors, (265), 229 states have call successors, (265) [2023-11-23 07:38:25,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 921 transitions. [2023-11-23 07:38:25,975 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 921 transitions. Word has length 290 [2023-11-23 07:38:25,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:38:25,975 INFO L495 AbstractCegarLoop]: Abstraction has 607 states and 921 transitions. [2023-11-23 07:38:25,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 5 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (34), 6 states have call predecessors, (34), 5 states have call successors, (34) [2023-11-23 07:38:25,976 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 921 transitions. [2023-11-23 07:38:25,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2023-11-23 07:38:25,978 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:38:25,978 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-23 07:38:25,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-23 07:38:26,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-23 07:38:26,184 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:38:26,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:38:26,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1897367242, now seen corresponding path program 1 times [2023-11-23 07:38:26,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:38:26,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913386481] [2023-11-23 07:38:26,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:26,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:38:26,280 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 07:38:26,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [410728871] [2023-11-23 07:38:26,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:26,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:38:26,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:38:26,282 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 07:38:26,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-23 07:38:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:27,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 4718 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-23 07:38:27,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:38:27,385 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 324 proven. 2 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-23 07:38:27,385 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 07:38:27,742 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 615 trivial. 0 not checked. [2023-11-23 07:38:27,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:38:27,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913386481] [2023-11-23 07:38:27,744 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 07:38:27,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410728871] [2023-11-23 07:38:27,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410728871] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 07:38:27,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 07:38:27,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2023-11-23 07:38:27,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947971899] [2023-11-23 07:38:27,750 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 07:38:27,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 07:38:27,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:38:27,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 07:38:27,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-23 07:38:27,753 INFO L87 Difference]: Start difference. First operand 607 states and 921 transitions. Second operand has 9 states, 8 states have (on average 10.625) internal successors, (85), 7 states have internal predecessors, (85), 4 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (37), 5 states have call predecessors, (37), 4 states have call successors, (37) [2023-11-23 07:38:28,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:38:28,357 INFO L93 Difference]: Finished difference Result 1103 states and 1666 transitions. [2023-11-23 07:38:28,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 07:38:28,357 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.625) internal successors, (85), 7 states have internal predecessors, (85), 4 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (37), 5 states have call predecessors, (37), 4 states have call successors, (37) Word has length 290 [2023-11-23 07:38:28,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:38:28,362 INFO L225 Difference]: With dead ends: 1103 [2023-11-23 07:38:28,362 INFO L226 Difference]: Without dead ends: 612 [2023-11-23 07:38:28,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 580 GetRequests, 571 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-23 07:38:28,365 INFO L413 NwaCegarLoop]: 733 mSDtfsCounter, 96 mSDsluCounter, 5066 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 5799 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 07:38:28,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 5799 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 07:38:28,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2023-11-23 07:38:28,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 607. [2023-11-23 07:38:28,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 336 states have (on average 1.2619047619047619) internal successors, (424), 340 states have internal predecessors, (424), 231 states have call successors, (231), 36 states have call predecessors, (231), 38 states have return successors, (265), 230 states have call predecessors, (265), 229 states have call successors, (265) [2023-11-23 07:38:28,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 920 transitions. [2023-11-23 07:38:28,408 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 920 transitions. Word has length 290 [2023-11-23 07:38:28,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:38:28,409 INFO L495 AbstractCegarLoop]: Abstraction has 607 states and 920 transitions. [2023-11-23 07:38:28,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.625) internal successors, (85), 7 states have internal predecessors, (85), 4 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (37), 5 states have call predecessors, (37), 4 states have call successors, (37) [2023-11-23 07:38:28,409 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 920 transitions. [2023-11-23 07:38:28,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2023-11-23 07:38:28,411 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:38:28,411 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-23 07:38:28,433 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-23 07:38:28,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-23 07:38:28,620 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:38:28,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:38:28,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1013858252, now seen corresponding path program 1 times [2023-11-23 07:38:28,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:38:28,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031992527] [2023-11-23 07:38:28,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:28,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:38:28,706 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 07:38:28,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1831205148] [2023-11-23 07:38:28,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:28,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:38:28,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:38:28,707 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 07:38:28,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-23 07:38:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:29,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 4715 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 07:38:29,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:38:29,718 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 302 proven. 2 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2023-11-23 07:38:29,718 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 07:38:29,967 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 615 trivial. 0 not checked. [2023-11-23 07:38:29,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:38:29,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031992527] [2023-11-23 07:38:29,967 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 07:38:29,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831205148] [2023-11-23 07:38:29,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831205148] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 07:38:29,968 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 07:38:29,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2023-11-23 07:38:29,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767976910] [2023-11-23 07:38:29,968 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 07:38:29,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 07:38:29,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:38:29,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 07:38:29,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-23 07:38:29,970 INFO L87 Difference]: Start difference. First operand 607 states and 920 transitions. Second operand has 7 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 3 states have call successors, (45), 2 states have call predecessors, (45), 3 states have return successors, (42), 4 states have call predecessors, (42), 3 states have call successors, (42) [2023-11-23 07:38:30,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:38:30,344 INFO L93 Difference]: Finished difference Result 1111 states and 1676 transitions. [2023-11-23 07:38:30,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 07:38:30,345 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 3 states have call successors, (45), 2 states have call predecessors, (45), 3 states have return successors, (42), 4 states have call predecessors, (42), 3 states have call successors, (42) Word has length 290 [2023-11-23 07:38:30,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:38:30,349 INFO L225 Difference]: With dead ends: 1111 [2023-11-23 07:38:30,350 INFO L226 Difference]: Without dead ends: 612 [2023-11-23 07:38:30,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 579 GetRequests, 573 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-23 07:38:30,353 INFO L413 NwaCegarLoop]: 700 mSDtfsCounter, 5 mSDsluCounter, 3495 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 4195 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 07:38:30,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 4195 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 07:38:30,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2023-11-23 07:38:30,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 607. [2023-11-23 07:38:30,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 336 states have (on average 1.2589285714285714) internal successors, (423), 340 states have internal predecessors, (423), 231 states have call successors, (231), 36 states have call predecessors, (231), 38 states have return successors, (265), 230 states have call predecessors, (265), 229 states have call successors, (265) [2023-11-23 07:38:30,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 919 transitions. [2023-11-23 07:38:30,405 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 919 transitions. Word has length 290 [2023-11-23 07:38:30,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:38:30,405 INFO L495 AbstractCegarLoop]: Abstraction has 607 states and 919 transitions. [2023-11-23 07:38:30,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 3 states have call successors, (45), 2 states have call predecessors, (45), 3 states have return successors, (42), 4 states have call predecessors, (42), 3 states have call successors, (42) [2023-11-23 07:38:30,406 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 919 transitions. [2023-11-23 07:38:30,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2023-11-23 07:38:30,408 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:38:30,408 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-23 07:38:30,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-23 07:38:30,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:38:30,624 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:38:30,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:38:30,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1512415054, now seen corresponding path program 1 times [2023-11-23 07:38:30,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:38:30,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259063043] [2023-11-23 07:38:30,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:30,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:38:30,718 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 07:38:30,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1302997465] [2023-11-23 07:38:30,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:30,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:38:30,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:38:30,720 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 07:38:30,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-23 07:38:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:31,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 4712 conjuncts, 103 conjunts are in the unsatisfiable core [2023-11-23 07:38:31,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:38:31,718 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 8 treesize of output 1 [2023-11-23 07:38:31,721 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 8 treesize of output 1 [2023-11-23 07:38:32,387 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 370 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2023-11-23 07:38:32,388 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 07:38:32,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:38:32,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259063043] [2023-11-23 07:38:32,388 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 07:38:32,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302997465] [2023-11-23 07:38:32,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302997465] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:38:32,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 07:38:32,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-23 07:38:32,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946446583] [2023-11-23 07:38:32,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:38:32,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-23 07:38:32,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:38:32,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-23 07:38:32,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2023-11-23 07:38:32,392 INFO L87 Difference]: Start difference. First operand 607 states and 919 transitions. Second operand has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 7 states have call successors, (35), 3 states have call predecessors, (35), 4 states have return successors, (32), 7 states have call predecessors, (32), 7 states have call successors, (32) [2023-11-23 07:38:39,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:38:39,452 INFO L93 Difference]: Finished difference Result 1413 states and 2258 transitions. [2023-11-23 07:38:39,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 07:38:39,453 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 7 states have call successors, (35), 3 states have call predecessors, (35), 4 states have return successors, (32), 7 states have call predecessors, (32), 7 states have call successors, (32) Word has length 290 [2023-11-23 07:38:39,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:38:39,462 INFO L225 Difference]: With dead ends: 1413 [2023-11-23 07:38:39,462 INFO L226 Difference]: Without dead ends: 835 [2023-11-23 07:38:39,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=104, Invalid=402, Unknown=0, NotChecked=0, Total=506 [2023-11-23 07:38:39,467 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 382 mSDsluCounter, 2906 mSDsCounter, 0 mSdLazyCounter, 6288 mSolverCounterSat, 249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 3505 SdHoareTripleChecker+Invalid, 6537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 249 IncrementalHoareTripleChecker+Valid, 6288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-11-23 07:38:39,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 3505 Invalid, 6537 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [249 Valid, 6288 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2023-11-23 07:38:39,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2023-11-23 07:38:39,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 632. [2023-11-23 07:38:39,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 360 states have (on average 1.2666666666666666) internal successors, (456), 363 states have internal predecessors, (456), 231 states have call successors, (231), 36 states have call predecessors, (231), 39 states have return successors, (302), 232 states have call predecessors, (302), 229 states have call successors, (302) [2023-11-23 07:38:39,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 989 transitions. [2023-11-23 07:38:39,531 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 989 transitions. Word has length 290 [2023-11-23 07:38:39,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:38:39,532 INFO L495 AbstractCegarLoop]: Abstraction has 632 states and 989 transitions. [2023-11-23 07:38:39,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 7 states have call successors, (35), 3 states have call predecessors, (35), 4 states have return successors, (32), 7 states have call predecessors, (32), 7 states have call successors, (32) [2023-11-23 07:38:39,534 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 989 transitions. [2023-11-23 07:38:39,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2023-11-23 07:38:39,537 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:38:39,538 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-23 07:38:39,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-23 07:38:39,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-23 07:38:39,752 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:38:39,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:38:39,753 INFO L85 PathProgramCache]: Analyzing trace with hash 939856285, now seen corresponding path program 1 times [2023-11-23 07:38:39,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:38:39,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210624138] [2023-11-23 07:38:39,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:39,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:38:39,863 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 07:38:39,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1949417307] [2023-11-23 07:38:39,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:39,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:38:39,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:38:39,865 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 07:38:39,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-23 07:38:40,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:40,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 4745 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 07:38:40,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:38:40,839 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2023-11-23 07:38:40,840 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 07:38:40,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:38:40,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210624138] [2023-11-23 07:38:40,840 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 07:38:40,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949417307] [2023-11-23 07:38:40,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1949417307] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:38:40,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 07:38:40,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 07:38:40,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969852137] [2023-11-23 07:38:40,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:38:40,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 07:38:40,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:38:40,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 07:38:40,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 07:38:40,843 INFO L87 Difference]: Start difference. First operand 632 states and 989 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-23 07:38:41,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:38:41,001 INFO L93 Difference]: Finished difference Result 1238 states and 2023 transitions. [2023-11-23 07:38:41,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 07:38:41,002 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 300 [2023-11-23 07:38:41,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:38:41,007 INFO L225 Difference]: With dead ends: 1238 [2023-11-23 07:38:41,007 INFO L226 Difference]: Without dead ends: 635 [2023-11-23 07:38:41,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 07:38:41,013 INFO L413 NwaCegarLoop]: 703 mSDtfsCounter, 7 mSDsluCounter, 1386 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2089 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 07:38:41,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2089 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 07:38:41,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2023-11-23 07:38:41,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 632. [2023-11-23 07:38:41,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 360 states have (on average 1.2638888888888888) internal successors, (455), 363 states have internal predecessors, (455), 231 states have call successors, (231), 36 states have call predecessors, (231), 39 states have return successors, (302), 232 states have call predecessors, (302), 229 states have call successors, (302) [2023-11-23 07:38:41,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 988 transitions. [2023-11-23 07:38:41,064 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 988 transitions. Word has length 300 [2023-11-23 07:38:41,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:38:41,064 INFO L495 AbstractCegarLoop]: Abstraction has 632 states and 988 transitions. [2023-11-23 07:38:41,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-23 07:38:41,065 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 988 transitions. [2023-11-23 07:38:41,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2023-11-23 07:38:41,067 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:38:41,067 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-23 07:38:41,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-23 07:38:41,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-23 07:38:41,288 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:38:41,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:38:41,289 INFO L85 PathProgramCache]: Analyzing trace with hash 959571034, now seen corresponding path program 1 times [2023-11-23 07:38:41,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:38:41,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349470821] [2023-11-23 07:38:41,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:41,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:38:41,407 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 07:38:41,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1767487712] [2023-11-23 07:38:41,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:41,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:38:41,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:38:41,413 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 07:38:41,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-23 07:38:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:42,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 4722 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 07:38:42,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:38:42,815 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 266 proven. 0 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2023-11-23 07:38:42,816 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 07:38:42,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:38:42,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349470821] [2023-11-23 07:38:42,816 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 07:38:42,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767487712] [2023-11-23 07:38:42,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1767487712] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:38:42,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 07:38:42,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 07:38:42,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946267865] [2023-11-23 07:38:42,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:38:42,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 07:38:42,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:38:42,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 07:38:42,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 07:38:42,820 INFO L87 Difference]: Start difference. First operand 632 states and 988 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 2 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-23 07:38:43,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:38:43,258 INFO L93 Difference]: Finished difference Result 1142 states and 1782 transitions. [2023-11-23 07:38:43,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 07:38:43,259 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 2 states have call predecessors, (29), 3 states have call successors, (29) Word has length 294 [2023-11-23 07:38:43,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:38:43,263 INFO L225 Difference]: With dead ends: 1142 [2023-11-23 07:38:43,263 INFO L226 Difference]: Without dead ends: 560 [2023-11-23 07:38:43,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 290 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 07:38:43,266 INFO L413 NwaCegarLoop]: 656 mSDtfsCounter, 2 mSDsluCounter, 1874 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2530 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 07:38:43,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2530 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 07:38:43,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2023-11-23 07:38:43,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2023-11-23 07:38:43,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 320 states have (on average 1.259375) internal successors, (403), 323 states have internal predecessors, (403), 200 states have call successors, (200), 35 states have call predecessors, (200), 38 states have return successors, (266), 201 states have call predecessors, (266), 198 states have call successors, (266) [2023-11-23 07:38:43,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 869 transitions. [2023-11-23 07:38:43,307 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 869 transitions. Word has length 294 [2023-11-23 07:38:43,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:38:43,307 INFO L495 AbstractCegarLoop]: Abstraction has 560 states and 869 transitions. [2023-11-23 07:38:43,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 2 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-23 07:38:43,308 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 869 transitions. [2023-11-23 07:38:43,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2023-11-23 07:38:43,309 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:38:43,309 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-23 07:38:43,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-23 07:38:43,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-23 07:38:43,524 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:38:43,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:38:43,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1019186203, now seen corresponding path program 1 times [2023-11-23 07:38:43,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:38:43,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7617802] [2023-11-23 07:38:43,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:43,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:38:43,607 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 07:38:43,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1703350209] [2023-11-23 07:38:43,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:43,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:38:43,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:38:43,609 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 07:38:43,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-23 07:38:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:45,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 4765 conjuncts, 77 conjunts are in the unsatisfiable core [2023-11-23 07:38:45,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:38:45,632 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 8 treesize of output 1 [2023-11-23 07:38:45,945 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 367 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2023-11-23 07:38:45,946 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 07:38:45,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:38:45,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7617802] [2023-11-23 07:38:45,946 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 07:38:45,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703350209] [2023-11-23 07:38:45,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703350209] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:38:45,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 07:38:45,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-23 07:38:45,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843919469] [2023-11-23 07:38:45,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:38:45,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 07:38:45,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:38:45,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 07:38:45,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-23 07:38:45,949 INFO L87 Difference]: Start difference. First operand 560 states and 869 transitions. Second operand has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 6 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) [2023-11-23 07:38:51,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:38:51,056 INFO L93 Difference]: Finished difference Result 1265 states and 2014 transitions. [2023-11-23 07:38:51,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 07:38:51,056 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 6 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) Word has length 304 [2023-11-23 07:38:51,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:38:51,062 INFO L225 Difference]: With dead ends: 1265 [2023-11-23 07:38:51,062 INFO L226 Difference]: Without dead ends: 734 [2023-11-23 07:38:51,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2023-11-23 07:38:51,066 INFO L413 NwaCegarLoop]: 594 mSDtfsCounter, 356 mSDsluCounter, 2122 mSDsCounter, 0 mSdLazyCounter, 3838 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 2716 SdHoareTripleChecker+Invalid, 4082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 3838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-11-23 07:38:51,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 2716 Invalid, 4082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 3838 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-11-23 07:38:51,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2023-11-23 07:38:51,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 564. [2023-11-23 07:38:51,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 324 states have (on average 1.2623456790123457) internal successors, (409), 327 states have internal predecessors, (409), 200 states have call successors, (200), 35 states have call predecessors, (200), 38 states have return successors, (266), 201 states have call predecessors, (266), 198 states have call successors, (266) [2023-11-23 07:38:51,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 875 transitions. [2023-11-23 07:38:51,116 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 875 transitions. Word has length 304 [2023-11-23 07:38:51,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:38:51,116 INFO L495 AbstractCegarLoop]: Abstraction has 564 states and 875 transitions. [2023-11-23 07:38:51,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 6 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) [2023-11-23 07:38:51,117 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 875 transitions. [2023-11-23 07:38:51,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2023-11-23 07:38:51,118 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:38:51,118 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-23 07:38:51,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-23 07:38:51,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:38:51,336 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:38:51,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:38:51,337 INFO L85 PathProgramCache]: Analyzing trace with hash 458634857, now seen corresponding path program 1 times [2023-11-23 07:38:51,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:38:51,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102202556] [2023-11-23 07:38:51,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:51,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:38:51,416 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 07:38:51,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1608331285] [2023-11-23 07:38:51,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:38:51,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:38:51,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:38:51,418 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 07:38:51,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-23 07:38:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:38:54,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 4775 conjuncts, 160 conjunts are in the unsatisfiable core [2023-11-23 07:38:54,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:38:54,852 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 8 treesize of output 1 [2023-11-23 07:38:54,853 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 8 treesize of output 1 [2023-11-23 07:38:54,854 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 8 treesize of output 1 [2023-11-23 07:38:55,688 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2023-11-23 07:38:55,689 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 07:38:55,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:38:55,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102202556] [2023-11-23 07:38:55,689 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 07:38:55,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608331285] [2023-11-23 07:38:55,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608331285] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:38:55,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 07:38:55,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-23 07:38:55,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558193583] [2023-11-23 07:38:55,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:38:55,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-23 07:38:55,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:38:55,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-23 07:38:55,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2023-11-23 07:38:55,691 INFO L87 Difference]: Start difference. First operand 564 states and 875 transitions. Second operand has 15 states, 15 states have (on average 7.6) internal successors, (114), 15 states have internal predecessors, (114), 7 states have call successors, (37), 3 states have call predecessors, (37), 4 states have return successors, (34), 7 states have call predecessors, (34), 7 states have call successors, (34) [2023-11-23 07:39:03,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:39:03,460 INFO L93 Difference]: Finished difference Result 1282 states and 2086 transitions. [2023-11-23 07:39:03,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-23 07:39:03,464 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.6) internal successors, (114), 15 states have internal predecessors, (114), 7 states have call successors, (37), 3 states have call predecessors, (37), 4 states have return successors, (34), 7 states have call predecessors, (34), 7 states have call successors, (34) Word has length 304 [2023-11-23 07:39:03,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:39:03,470 INFO L225 Difference]: With dead ends: 1282 [2023-11-23 07:39:03,470 INFO L226 Difference]: Without dead ends: 747 [2023-11-23 07:39:03,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=130, Invalid=520, Unknown=0, NotChecked=0, Total=650 [2023-11-23 07:39:03,476 INFO L413 NwaCegarLoop]: 590 mSDtfsCounter, 371 mSDsluCounter, 2892 mSDsCounter, 0 mSdLazyCounter, 6945 mSolverCounterSat, 241 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 3482 SdHoareTripleChecker+Invalid, 7186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 241 IncrementalHoareTripleChecker+Valid, 6945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2023-11-23 07:39:03,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 3482 Invalid, 7186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [241 Valid, 6945 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2023-11-23 07:39:03,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2023-11-23 07:39:03,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 566. [2023-11-23 07:39:03,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 326 states have (on average 1.2638036809815951) internal successors, (412), 329 states have internal predecessors, (412), 200 states have call successors, (200), 35 states have call predecessors, (200), 38 states have return successors, (266), 201 states have call predecessors, (266), 198 states have call successors, (266) [2023-11-23 07:39:03,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 878 transitions. [2023-11-23 07:39:03,544 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 878 transitions. Word has length 304 [2023-11-23 07:39:03,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:39:03,544 INFO L495 AbstractCegarLoop]: Abstraction has 566 states and 878 transitions. [2023-11-23 07:39:03,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.6) internal successors, (114), 15 states have internal predecessors, (114), 7 states have call successors, (37), 3 states have call predecessors, (37), 4 states have return successors, (34), 7 states have call predecessors, (34), 7 states have call successors, (34) [2023-11-23 07:39:03,545 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 878 transitions. [2023-11-23 07:39:03,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2023-11-23 07:39:03,547 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:39:03,547 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-23 07:39:03,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-11-23 07:39:03,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:39:03,768 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:39:03,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:39:03,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1722929517, now seen corresponding path program 1 times [2023-11-23 07:39:03,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:39:03,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021001587] [2023-11-23 07:39:03,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:39:03,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:39:03,849 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 07:39:03,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [891074813] [2023-11-23 07:39:03,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:39:03,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:39:03,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:39:03,851 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 07:39:03,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-23 07:39:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:39:05,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 4765 conjuncts, 88 conjunts are in the unsatisfiable core [2023-11-23 07:39:05,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:39:05,442 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 8 treesize of output 1 [2023-11-23 07:39:05,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 70 [2023-11-23 07:39:05,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 46 [2023-11-23 07:39:05,932 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 367 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2023-11-23 07:39:05,932 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 07:39:05,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:39:05,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021001587] [2023-11-23 07:39:05,932 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 07:39:05,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891074813] [2023-11-23 07:39:05,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [891074813] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:39:05,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 07:39:05,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-23 07:39:05,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570111384] [2023-11-23 07:39:05,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:39:05,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-23 07:39:05,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:39:05,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-23 07:39:05,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-11-23 07:39:05,935 INFO L87 Difference]: Start difference. First operand 566 states and 878 transitions. Second operand has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 11 states have internal predecessors, (108), 6 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) [2023-11-23 07:39:09,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:39:09,082 INFO L93 Difference]: Finished difference Result 1293 states and 2054 transitions. [2023-11-23 07:39:09,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 07:39:09,082 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 11 states have internal predecessors, (108), 6 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) Word has length 304 [2023-11-23 07:39:09,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:39:09,088 INFO L225 Difference]: With dead ends: 1293 [2023-11-23 07:39:09,088 INFO L226 Difference]: Without dead ends: 756 [2023-11-23 07:39:09,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-11-23 07:39:09,092 INFO L413 NwaCegarLoop]: 603 mSDtfsCounter, 369 mSDsluCounter, 1571 mSDsCounter, 0 mSdLazyCounter, 3010 mSolverCounterSat, 246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 2174 SdHoareTripleChecker+Invalid, 3256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 246 IncrementalHoareTripleChecker+Valid, 3010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-23 07:39:09,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 2174 Invalid, 3256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [246 Valid, 3010 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-23 07:39:09,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2023-11-23 07:39:09,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 570. [2023-11-23 07:39:09,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 330 states have (on average 1.2666666666666666) internal successors, (418), 333 states have internal predecessors, (418), 200 states have call successors, (200), 35 states have call predecessors, (200), 38 states have return successors, (266), 201 states have call predecessors, (266), 198 states have call successors, (266) [2023-11-23 07:39:09,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 884 transitions. [2023-11-23 07:39:09,148 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 884 transitions. Word has length 304 [2023-11-23 07:39:09,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:39:09,148 INFO L495 AbstractCegarLoop]: Abstraction has 570 states and 884 transitions. [2023-11-23 07:39:09,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 11 states have internal predecessors, (108), 6 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) [2023-11-23 07:39:09,149 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 884 transitions. [2023-11-23 07:39:09,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2023-11-23 07:39:09,155 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:39:09,156 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-23 07:39:09,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-11-23 07:39:09,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-11-23 07:39:09,371 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:39:09,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:39:09,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1693244773, now seen corresponding path program 1 times [2023-11-23 07:39:09,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:39:09,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255054538] [2023-11-23 07:39:09,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:39:09,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:39:09,441 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 07:39:09,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [5514952] [2023-11-23 07:39:09,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:39:09,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:39:09,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:39:09,443 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 07:39:09,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-23 07:39:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:39:12,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 4749 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-23 07:39:12,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:39:12,267 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 8 treesize of output 1 [2023-11-23 07:39:12,421 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 279 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2023-11-23 07:39:12,421 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 07:39:12,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:39:12,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255054538] [2023-11-23 07:39:12,421 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 07:39:12,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5514952] [2023-11-23 07:39:12,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5514952] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:39:12,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 07:39:12,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-23 07:39:12,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024216011] [2023-11-23 07:39:12,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:39:12,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 07:39:12,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:39:12,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 07:39:12,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-23 07:39:12,424 INFO L87 Difference]: Start difference. First operand 570 states and 884 transitions. Second operand has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 7 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (34), 6 states have call predecessors, (34), 7 states have call successors, (34) [2023-11-23 07:39:15,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:39:15,616 INFO L93 Difference]: Finished difference Result 1253 states and 2070 transitions. [2023-11-23 07:39:15,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 07:39:15,619 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 7 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (34), 6 states have call predecessors, (34), 7 states have call successors, (34) Word has length 304 [2023-11-23 07:39:15,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:39:15,624 INFO L225 Difference]: With dead ends: 1253 [2023-11-23 07:39:15,624 INFO L226 Difference]: Without dead ends: 712 [2023-11-23 07:39:15,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2023-11-23 07:39:15,627 INFO L413 NwaCegarLoop]: 585 mSDtfsCounter, 354 mSDsluCounter, 1819 mSDsCounter, 0 mSdLazyCounter, 3885 mSolverCounterSat, 240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 2404 SdHoareTripleChecker+Invalid, 4125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 240 IncrementalHoareTripleChecker+Valid, 3885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-23 07:39:15,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 2404 Invalid, 4125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [240 Valid, 3885 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-23 07:39:15,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2023-11-23 07:39:15,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 570. [2023-11-23 07:39:15,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 330 states have (on average 1.2636363636363637) internal successors, (417), 333 states have internal predecessors, (417), 200 states have call successors, (200), 35 states have call predecessors, (200), 38 states have return successors, (266), 201 states have call predecessors, (266), 198 states have call successors, (266) [2023-11-23 07:39:15,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 883 transitions. [2023-11-23 07:39:15,675 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 883 transitions. Word has length 304 [2023-11-23 07:39:15,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:39:15,675 INFO L495 AbstractCegarLoop]: Abstraction has 570 states and 883 transitions. [2023-11-23 07:39:15,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 7 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (34), 6 states have call predecessors, (34), 7 states have call successors, (34) [2023-11-23 07:39:15,676 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 883 transitions. [2023-11-23 07:39:15,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2023-11-23 07:39:15,678 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:39:15,678 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-23 07:39:15,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-11-23 07:39:15,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-11-23 07:39:15,897 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:39:15,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:39:15,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1037746401, now seen corresponding path program 1 times [2023-11-23 07:39:15,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:39:15,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553297366] [2023-11-23 07:39:15,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:39:15,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:39:15,985 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 07:39:15,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [413739691] [2023-11-23 07:39:15,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:39:15,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 07:39:15,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:39:15,987 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 07:39:16,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-23 07:39:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:39:18,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 4759 conjuncts, 202 conjunts are in the unsatisfiable core [2023-11-23 07:39:18,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 07:39:18,147 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 8 treesize of output 1 [2023-11-23 07:39:18,323 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 13 treesize of output 9 [2023-11-23 07:39:18,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 55 [2023-11-23 07:39:39,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-23 07:39:39,067 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 13 treesize of output 9 [2023-11-23 07:39:41,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 55 [2023-11-23 07:39:48,798 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 255 proven. 22 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2023-11-23 07:39:48,798 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 07:40:04,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 50 [2023-11-23 07:40:04,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:40:04,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553297366] [2023-11-23 07:40:04,659 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 07:40:04,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413739691] [2023-11-23 07:40:04,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413739691] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 07:40:04,659 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-23 07:40:04,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2023-11-23 07:40:04,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820727829] [2023-11-23 07:40:04,660 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-23 07:40:04,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-11-23 07:40:04,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:40:04,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-11-23 07:40:04,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=1502, Unknown=11, NotChecked=0, Total=1640 [2023-11-23 07:40:04,672 INFO L87 Difference]: Start difference. First operand 570 states and 883 transitions. Second operand has 30 states, 25 states have (on average 4.16) internal successors, (104), 24 states have internal predecessors, (104), 10 states have call successors, (34), 5 states have call predecessors, (34), 9 states have return successors, (32), 10 states have call predecessors, (32), 9 states have call successors, (32) [2023-11-23 07:40:06,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 07:40:09,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 07:40:11,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 07:40:14,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 07:40:16,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 07:40:19,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 07:40:21,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 07:40:25,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 07:40:37,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 07:40:48,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 07:40:50,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 07:41:08,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 07:41:11,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 07:41:13,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 07:41:15,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 07:41:17,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 07:41:24,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 07:41:26,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 07:41:29,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 07:41:32,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 07:41:35,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 07:41:36,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 07:41:38,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 07:41:40,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 07:41:46,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 07:41:52,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 07:41:54,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 07:41:56,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] Killed by 15