./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/aws-c-common/aws_priority_queue_push_ref_harness_negated.i --full-output --preprocessor.use.memory.slicer false --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version abd6749d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/aws-c-common/aws_priority_queue_push_ref_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bca4b7f65023d274ad237b41a825fac42415122ae61b05dbfa5b2d3344a9d32a --preprocessor.use.memory.slicer false --- Real Ultimate output --- This is Ultimate 0.2.3-?-abd6749-m [2023-11-23 09:01:49,209 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 09:01:49,283 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 09:01:49,288 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 09:01:49,289 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 09:01:49,309 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 09:01:49,310 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 09:01:49,310 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 09:01:49,311 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 09:01:49,314 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 09:01:49,314 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 09:01:49,315 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 09:01:49,316 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 09:01:49,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 09:01:49,317 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 09:01:49,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 09:01:49,317 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 09:01:49,318 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 09:01:49,318 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 09:01:49,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 09:01:49,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 09:01:49,319 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 09:01:49,319 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 09:01:49,319 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 09:01:49,320 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 09:01:49,320 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 09:01:49,320 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 09:01:49,320 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 09:01:49,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 09:01:49,321 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 09:01:49,321 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 09:01:49,322 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 09:01:49,322 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 09:01:49,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 09:01:49,322 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 09:01:49,322 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 09:01:49,322 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 09:01:49,323 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 09:01:49,323 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 09:01:49,323 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bca4b7f65023d274ad237b41a825fac42415122ae61b05dbfa5b2d3344a9d32a Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> false [2023-11-23 09:01:49,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 09:01:49,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 09:01:49,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 09:01:49,624 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 09:01:49,625 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 09:01:49,626 INFO L431 ainManager$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_negated.i [2023-11-23 09:01:50,819 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 09:01:51,143 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 09:01:51,143 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_priority_queue_push_ref_harness_negated.i [2023-11-23 09:01:51,172 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00487af9e/8e9a11770d7241d78acc9e91016f4f83/FLAG17f9e4b4e [2023-11-23 09:01:51,184 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00487af9e/8e9a11770d7241d78acc9e91016f4f83 [2023-11-23 09:01:51,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 09:01:51,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 09:01:51,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 09:01:51,190 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 09:01:51,194 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 09:01:51,194 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:01:51" (1/1) ... [2023-11-23 09:01:51,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d6c92cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:01:51, skipping insertion in model container [2023-11-23 09:01:51,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:01:51" (1/1) ... [2023-11-23 09:01:51,271 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 09:01:51,427 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_negated.i[4501,4514] [2023-11-23 09:01:51,434 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_negated.i[4561,4574] [2023-11-23 09:01:51,980 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:51,983 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:51,984 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:51,985 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:51,987 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:51,998 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:51,999 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,000 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,001 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,002 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,002 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,003 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,003 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,285 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 09:01:52,286 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 09:01:52,287 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 09:01:52,288 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 09:01:52,288 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 09:01:52,289 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 09:01:52,289 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 09:01:52,290 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 09:01:52,290 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 09:01:52,290 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 09:01:52,534 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,539 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,606 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,607 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,608 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,608 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,608 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,609 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,641 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,641 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,642 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,642 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,642 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,642 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,642 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,645 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,645 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,645 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,645 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,647 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,647 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,651 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,652 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,652 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,660 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 09:01:52,681 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 09:01:52,691 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_negated.i[4501,4514] [2023-11-23 09:01:52,691 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_negated.i[4561,4574] [2023-11-23 09:01:52,712 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,712 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,713 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,713 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,713 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,718 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,718 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,719 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,719 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,720 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,720 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,720 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,721 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,740 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 09:01:52,741 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 09:01:52,742 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 09:01:52,742 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 09:01:52,743 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 09:01:52,743 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 09:01:52,743 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 09:01:52,744 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 09:01:52,744 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 09:01:52,744 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 09:01:52,765 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,768 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7739-7750] [2023-11-23 09:01:52,783 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,783 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,784 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,784 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,784 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,784 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,784 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,785 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,785 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,785 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,785 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,786 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,786 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,786 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,787 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,787 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,787 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,788 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,789 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,792 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,792 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,792 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:01:52,796 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 09:01:52,984 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:01:52,984 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:01:52,984 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:01:52,984 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:01:52,985 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:01:52,986 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:01:52,986 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:01:52,986 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:01:52,987 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:01:52,987 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:01:52,988 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:01:52,988 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:01:52,988 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:01:52,988 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:01:52,988 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:01:52,994 INFO L206 MainTranslator]: Completed translation [2023-11-23 09:01:52,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:01:52 WrapperNode [2023-11-23 09:01:52,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 09:01:52,996 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 09:01:52,996 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 09:01:52,997 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 09:01:53,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:01:52" (1/1) ... [2023-11-23 09:01:53,055 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:01:52" (1/1) ... [2023-11-23 09:01:53,152 INFO L138 Inliner]: procedures = 696, calls = 1881, calls flagged for inlining = 58, calls inlined = 17, statements flattened = 1147 [2023-11-23 09:01:53,153 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 09:01:53,153 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 09:01:53,154 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 09:01:53,154 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 09:01:53,161 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:01:52" (1/1) ... [2023-11-23 09:01:53,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:01:52" (1/1) ... [2023-11-23 09:01:53,178 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:01:52" (1/1) ... [2023-11-23 09:01:53,178 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:01:52" (1/1) ... [2023-11-23 09:01:53,221 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:01:52" (1/1) ... [2023-11-23 09:01:53,237 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:01:52" (1/1) ... [2023-11-23 09:01:53,252 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:01:52" (1/1) ... [2023-11-23 09:01:53,264 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:01:52" (1/1) ... [2023-11-23 09:01:53,275 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 09:01:53,275 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 09:01:53,276 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 09:01:53,276 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 09:01:53,276 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:01:52" (1/1) ... [2023-11-23 09:01:53,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 09:01:53,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:01:53,330 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 09:01:53,352 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 09:01:53,399 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2023-11-23 09:01:53,399 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2023-11-23 09:01:53,399 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2023-11-23 09:01:53,400 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2023-11-23 09:01:53,400 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2023-11-23 09:01:53,400 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2023-11-23 09:01:53,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 09:01:53,400 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2023-11-23 09:01:53,400 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2023-11-23 09:01:53,400 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2023-11-23 09:01:53,400 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2023-11-23 09:01:53,401 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-23 09:01:53,401 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-23 09:01:53,401 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2023-11-23 09:01:53,401 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2023-11-23 09:01:53,401 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2023-11-23 09:01:53,401 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2023-11-23 09:01:53,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 09:01:53,402 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-23 09:01:53,402 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-23 09:01:53,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 09:01:53,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 09:01:53,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 09:01:53,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 09:01:53,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 09:01:53,403 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2023-11-23 09:01:53,403 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2023-11-23 09:01:53,403 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2023-11-23 09:01:53,403 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2023-11-23 09:01:53,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 09:01:53,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 09:01:53,404 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 09:01:53,404 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 09:01:53,405 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-23 09:01:53,405 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-23 09:01:53,405 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2023-11-23 09:01:53,405 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2023-11-23 09:01:53,405 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2023-11-23 09:01:53,406 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2023-11-23 09:01:53,406 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2023-11-23 09:01:53,408 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2023-11-23 09:01:53,408 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2023-11-23 09:01:53,408 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2023-11-23 09:01:53,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 09:01:53,409 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 09:01:53,409 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 09:01:53,409 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 09:01:53,409 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2023-11-23 09:01:53,409 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2023-11-23 09:01:53,409 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2023-11-23 09:01:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2023-11-23 09:01:53,414 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2023-11-23 09:01:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2023-11-23 09:01:53,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 09:01:53,414 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2023-11-23 09:01:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2023-11-23 09:01:53,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 09:01:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 09:01:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_push_ref [2023-11-23 09:01:53,415 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_push_ref [2023-11-23 09:01:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2023-11-23 09:01:53,415 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2023-11-23 09:01:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-23 09:01:53,415 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-23 09:01:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-23 09:01:53,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-23 09:01:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2023-11-23 09:01:53,416 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2023-11-23 09:01:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 09:01:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2023-11-23 09:01:53,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2023-11-23 09:01:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2023-11-23 09:01:53,416 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2023-11-23 09:01:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2023-11-23 09:01:53,417 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2023-11-23 09:01:53,417 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 09:01:53,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 09:01:53,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 09:01:53,732 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 09:01:53,734 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 09:01:54,766 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 09:01:54,871 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 09:01:54,872 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-23 09:01:54,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:01:54 BoogieIcfgContainer [2023-11-23 09:01:54,872 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 09:01:54,874 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 09:01:54,874 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 09:01:54,877 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 09:01:54,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:01:51" (1/3) ... [2023-11-23 09:01:54,877 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cc2fd16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:01:54, skipping insertion in model container [2023-11-23 09:01:54,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:01:52" (2/3) ... [2023-11-23 09:01:54,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cc2fd16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:01:54, skipping insertion in model container [2023-11-23 09:01:54,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:01:54" (3/3) ... [2023-11-23 09:01:54,879 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_ref_harness_negated.i [2023-11-23 09:01:54,894 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 09:01:54,894 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-23 09:01:54,940 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 09:01:54,955 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;@5d32d7cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 09:01:54,955 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-23 09:01:54,965 INFO L276 IsEmpty]: Start isEmpty. Operand has 501 states, 273 states have (on average 1.2747252747252746) internal successors, (348), 276 states have internal predecessors, (348), 193 states have call successors, (193), 33 states have call predecessors, (193), 33 states have return successors, (193), 193 states have call predecessors, (193), 193 states have call successors, (193) [2023-11-23 09:01:54,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-23 09:01:54,986 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:01:54,987 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 09:01:54,988 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:01:54,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:01:54,992 INFO L85 PathProgramCache]: Analyzing trace with hash -5806260, now seen corresponding path program 1 times [2023-11-23 09:01:54,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:01:54,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417903795] [2023-11-23 09:01:54,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:01:54,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:01:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:55,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:01:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:55,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:01:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:55,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 09:01:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:55,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:01:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:55,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 09:01:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:55,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 09:01:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:55,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 09:01:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:55,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 09:01:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:55,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 09:01:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:55,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 09:01:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:55,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-23 09:01:55,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:55,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 09:01:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:55,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:01:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:55,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-23 09:01:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:55,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:01:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:55,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 09:01:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:56,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-23 09:01:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:56,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 09:01:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:56,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 09:01:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:56,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 09:01:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:56,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-23 09:01:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:56,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-23 09:01:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:56,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-23 09:01:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:56,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 09:01:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:56,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-23 09:01:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:56,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-23 09:01:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:56,072 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 09:01:56,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:01:56,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417903795] [2023-11-23 09:01:56,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417903795] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:01:56,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295680481] [2023-11-23 09:01:56,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:01:56,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:01:56,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:01:56,089 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 09:01:56,107 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 09:01:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:56,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 2391 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 09:01:56,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:01:56,873 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 09:01:56,873 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:01:56,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295680481] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:01:56,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:01:56,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2023-11-23 09:01:56,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069454287] [2023-11-23 09:01:56,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:01:56,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 09:01:56,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:01:56,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 09:01:56,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-23 09:01:56,917 INFO L87 Difference]: Start difference. First operand has 501 states, 273 states have (on average 1.2747252747252746) internal successors, (348), 276 states have internal predecessors, (348), 193 states have call successors, (193), 33 states have call predecessors, (193), 33 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 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 09:01:57,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:01:57,186 INFO L93 Difference]: Finished difference Result 995 states and 1603 transitions. [2023-11-23 09:01:57,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 09:01:57,188 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 09:01:57,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:01:57,200 INFO L225 Difference]: With dead ends: 995 [2023-11-23 09:01:57,200 INFO L226 Difference]: Without dead ends: 500 [2023-11-23 09:01:57,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-23 09:01:57,210 INFO L413 NwaCegarLoop]: 682 mSDtfsCounter, 32 mSDsluCounter, 1980 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 2662 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 09:01:57,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 2662 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 09:01:57,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2023-11-23 09:01:57,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 500. [2023-11-23 09:01:57,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 272 states have (on average 1.25) internal successors, (340), 275 states have internal predecessors, (340), 193 states have call successors, (193), 33 states have call predecessors, (193), 33 states have return successors, (199), 191 states have call predecessors, (199), 191 states have call successors, (199) [2023-11-23 09:01:57,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 732 transitions. [2023-11-23 09:01:57,275 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 732 transitions. Word has length 151 [2023-11-23 09:01:57,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:01:57,276 INFO L495 AbstractCegarLoop]: Abstraction has 500 states and 732 transitions. [2023-11-23 09:01:57,276 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 09:01:57,276 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 732 transitions. [2023-11-23 09:01:57,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-23 09:01:57,278 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:01:57,279 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 09:01:57,309 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 09:01:57,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 09:01:57,513 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:01:57,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:01:57,514 INFO L85 PathProgramCache]: Analyzing trace with hash -558544555, now seen corresponding path program 1 times [2023-11-23 09:01:57,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:01:57,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689428046] [2023-11-23 09:01:57,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:01:57,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:01:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:57,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:01:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:57,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:01:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:57,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 09:01:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:57,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:01:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:57,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 09:01:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:57,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 09:01:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:57,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 09:01:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:57,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 09:01:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:57,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 09:01:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:58,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 09:01:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:58,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 09:01:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:58,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 09:01:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:58,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 09:01:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:58,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:01:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:58,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-23 09:01:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:58,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:01:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:58,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-23 09:01:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:58,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 09:01:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:58,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-23 09:01:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:58,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-23 09:01:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:58,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-23 09:01:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:58,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-23 09:01:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:58,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 09:01:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:58,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-23 09:01:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:58,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-23 09:01:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:58,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-23 09:01:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:58,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-23 09:01:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:58,176 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 09:01:58,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:01:58,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689428046] [2023-11-23 09:01:58,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689428046] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:01:58,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047148565] [2023-11-23 09:01:58,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:01:58,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:01:58,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:01:58,178 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 09:01:58,204 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 09:01:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:01:58,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 2441 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 09:01:58,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:01:58,752 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 09:01:58,752 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:01:58,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047148565] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:01:58,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:01:58,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2023-11-23 09:01:58,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340276062] [2023-11-23 09:01:58,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:01:58,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:01:58,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:01:58,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:01:58,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2023-11-23 09:01:58,757 INFO L87 Difference]: Start difference. First operand 500 states and 732 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 09:01:59,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:01:59,324 INFO L93 Difference]: Finished difference Result 992 states and 1492 transitions. [2023-11-23 09:01:59,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 09:01:59,324 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 09:01:59,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:01:59,328 INFO L225 Difference]: With dead ends: 992 [2023-11-23 09:01:59,328 INFO L226 Difference]: Without dead ends: 521 [2023-11-23 09:01:59,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2023-11-23 09:01:59,331 INFO L413 NwaCegarLoop]: 643 mSDtfsCounter, 84 mSDsluCounter, 3082 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 3725 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 09:01:59,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 3725 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 09:01:59,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2023-11-23 09:01:59,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 519. [2023-11-23 09:01:59,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 288 states have (on average 1.2569444444444444) internal successors, (362), 291 states have internal predecessors, (362), 195 states have call successors, (195), 33 states have call predecessors, (195), 34 states have return successors, (233), 194 states have call predecessors, (233), 193 states have call successors, (233) [2023-11-23 09:01:59,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 790 transitions. [2023-11-23 09:01:59,359 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 790 transitions. Word has length 159 [2023-11-23 09:01:59,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:01:59,359 INFO L495 AbstractCegarLoop]: Abstraction has 519 states and 790 transitions. [2023-11-23 09:01:59,359 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 09:01:59,359 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 790 transitions. [2023-11-23 09:01:59,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-23 09:01:59,361 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:01:59,361 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 09:01:59,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 09:01:59,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-23 09:01:59,574 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:01:59,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:01:59,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1086203550, now seen corresponding path program 1 times [2023-11-23 09:01:59,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:01:59,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895988884] [2023-11-23 09:01:59,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:01:59,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:01:59,640 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 09:01:59,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1165098978] [2023-11-23 09:01:59,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:01:59,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:01:59,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:01:59,642 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 09:01:59,666 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 09:02:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:02:00,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 2580 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 09:02:00,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:02:00,169 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 09:02:00,169 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:02:00,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:02:00,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895988884] [2023-11-23 09:02:00,170 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 09:02:00,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165098978] [2023-11-23 09:02:00,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165098978] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:02:00,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:02:00,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 09:02:00,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749790703] [2023-11-23 09:02:00,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:02:00,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 09:02:00,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:02:00,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 09:02:00,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 09:02:00,172 INFO L87 Difference]: Start difference. First operand 519 states and 790 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 09:02:00,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:02:00,520 INFO L93 Difference]: Finished difference Result 1015 states and 1561 transitions. [2023-11-23 09:02:00,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 09:02:00,521 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 09:02:00,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:02:00,529 INFO L225 Difference]: With dead ends: 1015 [2023-11-23 09:02:00,529 INFO L226 Difference]: Without dead ends: 525 [2023-11-23 09:02:00,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-23 09:02:00,533 INFO L413 NwaCegarLoop]: 674 mSDtfsCounter, 51 mSDsluCounter, 2611 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 3285 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 09:02:00,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 3285 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 09:02:00,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2023-11-23 09:02:00,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 519. [2023-11-23 09:02:00,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 288 states have (on average 1.2569444444444444) internal successors, (362), 291 states have internal predecessors, (362), 195 states have call successors, (195), 33 states have call predecessors, (195), 34 states have return successors, (233), 194 states have call predecessors, (233), 193 states have call successors, (233) [2023-11-23 09:02:00,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 790 transitions. [2023-11-23 09:02:00,563 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 790 transitions. Word has length 172 [2023-11-23 09:02:00,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:02:00,564 INFO L495 AbstractCegarLoop]: Abstraction has 519 states and 790 transitions. [2023-11-23 09:02:00,564 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 09:02:00,564 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 790 transitions. [2023-11-23 09:02:00,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-11-23 09:02:00,567 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:02:00,567 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 09:02:00,593 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 09:02:00,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:00,781 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:02:00,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:02:00,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1031227274, now seen corresponding path program 1 times [2023-11-23 09:02:00,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:02:00,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328758089] [2023-11-23 09:02:00,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:00,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:02:00,843 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 09:02:00,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [422037600] [2023-11-23 09:02:00,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:00,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:00,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:02:00,845 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 09:02:00,860 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 09:02:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:02:01,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 2652 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 09:02:01,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:02:01,452 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 09:02:01,454 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:02:01,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:02:01,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328758089] [2023-11-23 09:02:01,454 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 09:02:01,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422037600] [2023-11-23 09:02:01,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [422037600] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:02:01,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:02:01,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 09:02:01,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089995642] [2023-11-23 09:02:01,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:02:01,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 09:02:01,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:02:01,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 09:02:01,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-23 09:02:01,457 INFO L87 Difference]: Start difference. First operand 519 states and 790 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 09:02:02,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:02:02,170 INFO L93 Difference]: Finished difference Result 1025 states and 1570 transitions. [2023-11-23 09:02:02,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 09:02:02,171 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 09:02:02,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:02:02,174 INFO L225 Difference]: With dead ends: 1025 [2023-11-23 09:02:02,174 INFO L226 Difference]: Without dead ends: 535 [2023-11-23 09:02:02,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-23 09:02:02,177 INFO L413 NwaCegarLoop]: 636 mSDtfsCounter, 111 mSDsluCounter, 3665 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 4301 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 09:02:02,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 4301 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 09:02:02,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2023-11-23 09:02:02,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 519. [2023-11-23 09:02:02,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 288 states have (on average 1.2569444444444444) internal successors, (362), 291 states have internal predecessors, (362), 195 states have call successors, (195), 33 states have call predecessors, (195), 34 states have return successors, (233), 194 states have call predecessors, (233), 193 states have call successors, (233) [2023-11-23 09:02:02,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 790 transitions. [2023-11-23 09:02:02,196 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 790 transitions. Word has length 188 [2023-11-23 09:02:02,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:02:02,197 INFO L495 AbstractCegarLoop]: Abstraction has 519 states and 790 transitions. [2023-11-23 09:02:02,197 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 09:02:02,197 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 790 transitions. [2023-11-23 09:02:02,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-23 09:02:02,199 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:02:02,199 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 09:02:02,229 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 09:02:02,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:02,416 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:02:02,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:02:02,417 INFO L85 PathProgramCache]: Analyzing trace with hash 182601835, now seen corresponding path program 2 times [2023-11-23 09:02:02,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:02:02,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499085821] [2023-11-23 09:02:02,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:02,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:02:02,490 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 09:02:02,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [966302509] [2023-11-23 09:02:02,491 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-23 09:02:02,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:02,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:02:02,500 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 09:02:02,502 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 09:02:02,877 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-23 09:02:02,878 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 09:02:02,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 1806 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 09:02:02,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:02:02,912 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2023-11-23 09:02:02,912 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:02:02,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:02:02,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499085821] [2023-11-23 09:02:02,913 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 09:02:02,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966302509] [2023-11-23 09:02:02,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966302509] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:02:02,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:02:02,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 09:02:02,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969703991] [2023-11-23 09:02:02,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:02:02,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 09:02:02,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:02:02,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 09:02:02,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 09:02:02,915 INFO L87 Difference]: Start difference. First operand 519 states and 790 transitions. Second operand has 6 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 09:02:03,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:02:03,147 INFO L93 Difference]: Finished difference Result 527 states and 798 transitions. [2023-11-23 09:02:03,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 09:02:03,148 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) Word has length 201 [2023-11-23 09:02:03,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:02:03,151 INFO L225 Difference]: With dead ends: 527 [2023-11-23 09:02:03,151 INFO L226 Difference]: Without dead ends: 525 [2023-11-23 09:02:03,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 196 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 09:02:03,152 INFO L413 NwaCegarLoop]: 694 mSDtfsCounter, 5 mSDsluCounter, 2740 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 3434 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 09:02:03,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 3434 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 09:02:03,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2023-11-23 09:02:03,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 524. [2023-11-23 09:02:03,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 291 states have (on average 1.254295532646048) internal successors, (365), 294 states have internal predecessors, (365), 196 states have call successors, (196), 34 states have call predecessors, (196), 35 states have return successors, (234), 195 states have call predecessors, (234), 194 states have call successors, (234) [2023-11-23 09:02:03,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 795 transitions. [2023-11-23 09:02:03,172 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 795 transitions. Word has length 201 [2023-11-23 09:02:03,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:02:03,172 INFO L495 AbstractCegarLoop]: Abstraction has 524 states and 795 transitions. [2023-11-23 09:02:03,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 09:02:03,173 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 795 transitions. [2023-11-23 09:02:03,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-11-23 09:02:03,174 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:02:03,174 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:02:03,204 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 09:02:03,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:03,390 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:02:03,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:02:03,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1974337020, now seen corresponding path program 3 times [2023-11-23 09:02:03,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:02:03,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14916766] [2023-11-23 09:02:03,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:03,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:02:03,446 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 09:02:03,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1746581596] [2023-11-23 09:02:03,446 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-23 09:02:03,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:03,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:02:03,448 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 09:02:03,470 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 09:02:04,231 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-23 09:02:04,231 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 09:02:04,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 2016 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-23 09:02:04,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:02:04,293 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 9 treesize of output 3 [2023-11-23 09:02:04,380 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-23 09:02:04,380 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 09:02:04,598 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2023-11-23 09:02:04,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:02:04,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14916766] [2023-11-23 09:02:04,598 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 09:02:04,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746581596] [2023-11-23 09:02:04,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746581596] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 09:02:04,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 09:02:04,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 8 [2023-11-23 09:02:04,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551606124] [2023-11-23 09:02:04,599 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 09:02:04,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 09:02:04,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:02:04,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 09:02:04,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-23 09:02:04,601 INFO L87 Difference]: Start difference. First operand 524 states and 795 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 4 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) [2023-11-23 09:02:05,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:02:05,470 INFO L93 Difference]: Finished difference Result 1002 states and 1542 transitions. [2023-11-23 09:02:05,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 09:02:05,471 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 4 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) Word has length 214 [2023-11-23 09:02:05,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:02:05,474 INFO L225 Difference]: With dead ends: 1002 [2023-11-23 09:02:05,475 INFO L226 Difference]: Without dead ends: 531 [2023-11-23 09:02:05,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 421 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-23 09:02:05,479 INFO L413 NwaCegarLoop]: 659 mSDtfsCounter, 21 mSDsluCounter, 3759 mSDsCounter, 0 mSdLazyCounter, 808 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 4418 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-23 09:02:05,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 4418 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 808 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-23 09:02:05,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2023-11-23 09:02:05,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 529. [2023-11-23 09:02:05,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 294 states have (on average 1.251700680272109) internal successors, (368), 296 states have internal predecessors, (368), 198 states have call successors, (198), 35 states have call predecessors, (198), 35 states have return successors, (236), 197 states have call predecessors, (236), 196 states have call successors, (236) [2023-11-23 09:02:05,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 802 transitions. [2023-11-23 09:02:05,503 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 802 transitions. Word has length 214 [2023-11-23 09:02:05,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:02:05,503 INFO L495 AbstractCegarLoop]: Abstraction has 529 states and 802 transitions. [2023-11-23 09:02:05,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 4 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) [2023-11-23 09:02:05,503 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 802 transitions. [2023-11-23 09:02:05,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2023-11-23 09:02:05,506 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:02:05,506 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:02:05,530 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 09:02:05,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:05,718 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:02:05,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:02:05,719 INFO L85 PathProgramCache]: Analyzing trace with hash -598574109, now seen corresponding path program 4 times [2023-11-23 09:02:05,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:02:05,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56390155] [2023-11-23 09:02:05,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:05,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:02:05,794 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 09:02:05,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [358513594] [2023-11-23 09:02:05,795 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-23 09:02:05,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:05,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:02:05,809 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 09:02:05,833 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 09:02:06,141 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-23 09:02:06,141 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 09:02:06,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 881 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 09:02:06,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:02:06,195 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2023-11-23 09:02:06,195 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:02:06,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:02:06,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56390155] [2023-11-23 09:02:06,195 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 09:02:06,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358513594] [2023-11-23 09:02:06,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358513594] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:02:06,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:02:06,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 09:02:06,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798161355] [2023-11-23 09:02:06,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:02:06,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 09:02:06,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:02:06,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 09:02:06,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-23 09:02:06,197 INFO L87 Difference]: Start difference. First operand 529 states and 802 transitions. Second operand has 8 states, 7 states have (on average 12.714285714285714) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2023-11-23 09:02:06,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:02:06,854 INFO L93 Difference]: Finished difference Result 1115 states and 1710 transitions. [2023-11-23 09:02:06,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 09:02:06,855 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.714285714285714) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 227 [2023-11-23 09:02:06,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:02:06,858 INFO L225 Difference]: With dead ends: 1115 [2023-11-23 09:02:06,859 INFO L226 Difference]: Without dead ends: 633 [2023-11-23 09:02:06,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-23 09:02:06,862 INFO L413 NwaCegarLoop]: 734 mSDtfsCounter, 123 mSDsluCounter, 4158 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 4892 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 09:02:06,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 4892 Invalid, 774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 09:02:06,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2023-11-23 09:02:06,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 625. [2023-11-23 09:02:06,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 359 states have (on average 1.2785515320334262) internal successors, (459), 363 states have internal predecessors, (459), 227 states have call successors, (227), 36 states have call predecessors, (227), 37 states have return successors, (279), 225 states have call predecessors, (279), 225 states have call successors, (279) [2023-11-23 09:02:06,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 965 transitions. [2023-11-23 09:02:06,888 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 965 transitions. Word has length 227 [2023-11-23 09:02:06,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:02:06,889 INFO L495 AbstractCegarLoop]: Abstraction has 625 states and 965 transitions. [2023-11-23 09:02:06,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.714285714285714) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2023-11-23 09:02:06,889 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 965 transitions. [2023-11-23 09:02:06,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-11-23 09:02:06,891 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:02:06,891 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:02:06,922 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 09:02:07,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:07,105 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:02:07,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:02:07,106 INFO L85 PathProgramCache]: Analyzing trace with hash 715072468, now seen corresponding path program 1 times [2023-11-23 09:02:07,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:02:07,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328410723] [2023-11-23 09:02:07,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:07,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:02:07,186 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 09:02:07,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [756102203] [2023-11-23 09:02:07,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:07,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:07,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:02:07,205 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 09:02:07,230 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 09:02:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:02:07,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 3208 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 09:02:07,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:02:07,829 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-11-23 09:02:07,829 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:02:07,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:02:07,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328410723] [2023-11-23 09:02:07,829 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 09:02:07,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [756102203] [2023-11-23 09:02:07,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [756102203] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:02:07,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:02:07,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 09:02:07,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805628348] [2023-11-23 09:02:07,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:02:07,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:02:07,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:02:07,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:02:07,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-23 09:02:07,831 INFO L87 Difference]: Start difference. First operand 625 states and 965 transitions. Second operand has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2023-11-23 09:02:08,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:02:08,217 INFO L93 Difference]: Finished difference Result 1060 states and 1614 transitions. [2023-11-23 09:02:08,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 09:02:08,218 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 240 [2023-11-23 09:02:08,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:02:08,221 INFO L225 Difference]: With dead ends: 1060 [2023-11-23 09:02:08,221 INFO L226 Difference]: Without dead ends: 531 [2023-11-23 09:02:08,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 235 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 09:02:08,223 INFO L413 NwaCegarLoop]: 673 mSDtfsCounter, 124 mSDsluCounter, 3170 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 3843 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 09:02:08,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 3843 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 09:02:08,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2023-11-23 09:02:08,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 531. [2023-11-23 09:02:08,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 295 states have (on average 1.2508474576271187) internal successors, (369), 298 states have internal predecessors, (369), 198 states have call successors, (198), 35 states have call predecessors, (198), 36 states have return successors, (240), 197 states have call predecessors, (240), 196 states have call successors, (240) [2023-11-23 09:02:08,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 807 transitions. [2023-11-23 09:02:08,245 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 807 transitions. Word has length 240 [2023-11-23 09:02:08,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:02:08,245 INFO L495 AbstractCegarLoop]: Abstraction has 531 states and 807 transitions. [2023-11-23 09:02:08,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2023-11-23 09:02:08,246 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 807 transitions. [2023-11-23 09:02:08,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-11-23 09:02:08,248 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:02:08,248 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:02:08,268 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 09:02:08,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-23 09:02:08,466 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:02:08,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:02:08,466 INFO L85 PathProgramCache]: Analyzing trace with hash 927530604, now seen corresponding path program 1 times [2023-11-23 09:02:08,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:02:08,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024430726] [2023-11-23 09:02:08,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:08,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:02:08,537 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 09:02:08,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [561339317] [2023-11-23 09:02:08,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:08,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:08,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:02:08,539 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 09:02:08,552 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 09:02:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:02:09,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 3119 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 09:02:09,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:02:09,234 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2023-11-23 09:02:09,234 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:02:09,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:02:09,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024430726] [2023-11-23 09:02:09,234 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 09:02:09,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561339317] [2023-11-23 09:02:09,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561339317] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:02:09,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:02:09,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-23 09:02:09,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759261622] [2023-11-23 09:02:09,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:02:09,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 09:02:09,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:02:09,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 09:02:09,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-23 09:02:09,236 INFO L87 Difference]: Start difference. First operand 531 states and 807 transitions. Second operand has 9 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 5 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2023-11-23 09:02:09,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:02:09,857 INFO L93 Difference]: Finished difference Result 1037 states and 1583 transitions. [2023-11-23 09:02:09,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 09:02:09,857 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 5 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) Word has length 235 [2023-11-23 09:02:09,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:02:09,861 INFO L225 Difference]: With dead ends: 1037 [2023-11-23 09:02:09,861 INFO L226 Difference]: Without dead ends: 547 [2023-11-23 09:02:09,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-11-23 09:02:09,865 INFO L413 NwaCegarLoop]: 654 mSDtfsCounter, 159 mSDsluCounter, 4285 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 4939 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 09:02:09,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 4939 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 09:02:09,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2023-11-23 09:02:09,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 545. [2023-11-23 09:02:09,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 308 states have (on average 1.2564935064935066) internal successors, (387), 310 states have internal predecessors, (387), 199 states have call successors, (199), 35 states have call predecessors, (199), 36 states have return successors, (241), 199 states have call predecessors, (241), 197 states have call successors, (241) [2023-11-23 09:02:09,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 827 transitions. [2023-11-23 09:02:09,889 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 827 transitions. Word has length 235 [2023-11-23 09:02:09,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:02:09,890 INFO L495 AbstractCegarLoop]: Abstraction has 545 states and 827 transitions. [2023-11-23 09:02:09,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 5 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2023-11-23 09:02:09,890 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 827 transitions. [2023-11-23 09:02:09,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2023-11-23 09:02:09,892 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:02:09,892 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:02:09,912 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 09:02:10,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:10,110 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:02:10,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:02:10,110 INFO L85 PathProgramCache]: Analyzing trace with hash 477863151, now seen corresponding path program 2 times [2023-11-23 09:02:10,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:02:10,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466282199] [2023-11-23 09:02:10,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:10,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:02:10,172 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 09:02:10,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [797519833] [2023-11-23 09:02:10,173 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-23 09:02:10,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:10,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:02:10,174 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 09:02:10,185 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 09:02:10,805 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-23 09:02:10,805 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 09:02:10,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 3258 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 09:02:10,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:02:10,889 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2023-11-23 09:02:10,890 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:02:10,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:02:10,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466282199] [2023-11-23 09:02:10,890 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 09:02:10,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797519833] [2023-11-23 09:02:10,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797519833] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:02:10,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:02:10,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 09:02:10,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409710138] [2023-11-23 09:02:10,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:02:10,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 09:02:10,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:02:10,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 09:02:10,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-23 09:02:10,892 INFO L87 Difference]: Start difference. First operand 545 states and 827 transitions. Second operand has 8 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 5 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2023-11-23 09:02:11,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:02:11,354 INFO L93 Difference]: Finished difference Result 1055 states and 1610 transitions. [2023-11-23 09:02:11,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 09:02:11,355 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 5 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) Word has length 248 [2023-11-23 09:02:11,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:02:11,358 INFO L225 Difference]: With dead ends: 1055 [2023-11-23 09:02:11,358 INFO L226 Difference]: Without dead ends: 551 [2023-11-23 09:02:11,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-23 09:02:11,361 INFO L413 NwaCegarLoop]: 666 mSDtfsCounter, 143 mSDsluCounter, 3781 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 4447 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 09:02:11,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 4447 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 09:02:11,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2023-11-23 09:02:11,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 545. [2023-11-23 09:02:11,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 308 states have (on average 1.2564935064935066) internal successors, (387), 310 states have internal predecessors, (387), 199 states have call successors, (199), 35 states have call predecessors, (199), 36 states have return successors, (241), 199 states have call predecessors, (241), 197 states have call successors, (241) [2023-11-23 09:02:11,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 827 transitions. [2023-11-23 09:02:11,380 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 827 transitions. Word has length 248 [2023-11-23 09:02:11,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:02:11,381 INFO L495 AbstractCegarLoop]: Abstraction has 545 states and 827 transitions. [2023-11-23 09:02:11,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 5 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2023-11-23 09:02:11,381 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 827 transitions. [2023-11-23 09:02:11,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2023-11-23 09:02:11,382 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:02:11,383 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 09:02:11,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-23 09:02:11,594 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,SelfDestructingSolverStorable9 [2023-11-23 09:02:11,595 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:02:11,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:02:11,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1339649769, now seen corresponding path program 1 times [2023-11-23 09:02:11,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:02:11,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248385481] [2023-11-23 09:02:11,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:11,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:02:11,653 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 09:02:11,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1273169296] [2023-11-23 09:02:11,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:11,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:11,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:02:11,655 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 09:02:11,676 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 09:02:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:02:12,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 3330 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 09:02:12,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:02:12,393 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2023-11-23 09:02:12,393 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:02:12,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:02:12,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248385481] [2023-11-23 09:02:12,393 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 09:02:12,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273169296] [2023-11-23 09:02:12,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273169296] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:02:12,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:02:12,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-23 09:02:12,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948554539] [2023-11-23 09:02:12,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:02:12,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 09:02:12,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:02:12,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 09:02:12,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-23 09:02:12,395 INFO L87 Difference]: Start difference. First operand 545 states and 827 transitions. Second operand has 10 states, 9 states have (on average 11.555555555555555) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (34), 3 states have call predecessors, (34), 4 states have return successors, (31), 5 states have call predecessors, (31), 6 states have call successors, (31) [2023-11-23 09:02:13,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:02:13,152 INFO L93 Difference]: Finished difference Result 1049 states and 1594 transitions. [2023-11-23 09:02:13,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 09:02:13,153 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.555555555555555) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (34), 3 states have call predecessors, (34), 4 states have return successors, (31), 5 states have call predecessors, (31), 6 states have call successors, (31) Word has length 264 [2023-11-23 09:02:13,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:02:13,156 INFO L225 Difference]: With dead ends: 1049 [2023-11-23 09:02:13,156 INFO L226 Difference]: Without dead ends: 545 [2023-11-23 09:02:13,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 259 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 09:02:13,158 INFO L413 NwaCegarLoop]: 628 mSDtfsCounter, 203 mSDsluCounter, 4749 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 5377 SdHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 09:02:13,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 5377 Invalid, 965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 883 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 09:02:13,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2023-11-23 09:02:13,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 529. [2023-11-23 09:02:13,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 294 states have (on average 1.251700680272109) internal successors, (368), 296 states have internal predecessors, (368), 198 states have call successors, (198), 35 states have call predecessors, (198), 35 states have return successors, (232), 197 states have call predecessors, (232), 196 states have call successors, (232) [2023-11-23 09:02:13,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 798 transitions. [2023-11-23 09:02:13,175 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 798 transitions. Word has length 264 [2023-11-23 09:02:13,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:02:13,175 INFO L495 AbstractCegarLoop]: Abstraction has 529 states and 798 transitions. [2023-11-23 09:02:13,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.555555555555555) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (34), 3 states have call predecessors, (34), 4 states have return successors, (31), 5 states have call predecessors, (31), 6 states have call successors, (31) [2023-11-23 09:02:13,175 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 798 transitions. [2023-11-23 09:02:13,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2023-11-23 09:02:13,177 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:02:13,177 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 09:02:13,196 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 09:02:13,394 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,SelfDestructingSolverStorable10 [2023-11-23 09:02:13,395 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:02:13,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:02:13,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1724701630, now seen corresponding path program 2 times [2023-11-23 09:02:13,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:02:13,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089815245] [2023-11-23 09:02:13,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:13,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:02:13,486 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 09:02:13,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1101727580] [2023-11-23 09:02:13,486 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-23 09:02:13,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:13,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:02:13,488 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 09:02:13,496 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 09:02:14,346 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-23 09:02:14,346 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 09:02:14,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 3469 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 09:02:14,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:02:14,380 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-23 09:02:14,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-23 09:02:14,509 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 268 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2023-11-23 09:02:14,510 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:02:14,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:02:14,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089815245] [2023-11-23 09:02:14,510 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 09:02:14,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101727580] [2023-11-23 09:02:14,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1101727580] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:02:14,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:02:14,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 09:02:14,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749271731] [2023-11-23 09:02:14,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:02:14,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 09:02:14,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:02:14,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 09:02:14,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-23 09:02:14,512 INFO L87 Difference]: Start difference. First operand 529 states and 798 transitions. Second operand has 8 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 5 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) [2023-11-23 09:02:15,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:02:15,112 INFO L93 Difference]: Finished difference Result 1011 states and 1526 transitions. [2023-11-23 09:02:15,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 09:02:15,113 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 5 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) Word has length 277 [2023-11-23 09:02:15,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:02:15,117 INFO L225 Difference]: With dead ends: 1011 [2023-11-23 09:02:15,117 INFO L226 Difference]: Without dead ends: 529 [2023-11-23 09:02:15,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-23 09:02:15,119 INFO L413 NwaCegarLoop]: 646 mSDtfsCounter, 126 mSDsluCounter, 3638 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 4284 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 09:02:15,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 4284 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 09:02:15,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2023-11-23 09:02:15,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 529. [2023-11-23 09:02:15,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 294 states have (on average 1.251700680272109) internal successors, (368), 296 states have internal predecessors, (368), 198 states have call successors, (198), 35 states have call predecessors, (198), 35 states have return successors, (229), 197 states have call predecessors, (229), 196 states have call successors, (229) [2023-11-23 09:02:15,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 795 transitions. [2023-11-23 09:02:15,170 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 795 transitions. Word has length 277 [2023-11-23 09:02:15,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:02:15,172 INFO L495 AbstractCegarLoop]: Abstraction has 529 states and 795 transitions. [2023-11-23 09:02:15,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 5 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) [2023-11-23 09:02:15,172 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 795 transitions. [2023-11-23 09:02:15,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2023-11-23 09:02:15,173 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:02:15,173 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 09:02:15,197 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 09:02:15,384 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,SelfDestructingSolverStorable11 [2023-11-23 09:02:15,385 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:02:15,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:02:15,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1218621995, now seen corresponding path program 1 times [2023-11-23 09:02:15,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:02:15,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515181694] [2023-11-23 09:02:15,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:15,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:02:15,446 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 09:02:15,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1791946744] [2023-11-23 09:02:15,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:15,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:15,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:02:15,452 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 09:02:15,490 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 09:02:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:02:16,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 3608 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 09:02:16,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:02:16,272 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 266 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2023-11-23 09:02:16,272 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:02:16,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:02:16,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515181694] [2023-11-23 09:02:16,272 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 09:02:16,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791946744] [2023-11-23 09:02:16,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791946744] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:02:16,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:02:16,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 09:02:16,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201643540] [2023-11-23 09:02:16,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:02:16,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 09:02:16,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:02:16,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 09:02:16,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 09:02:16,275 INFO L87 Difference]: Start difference. First operand 529 states and 795 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 4 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2023-11-23 09:02:16,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:02:16,688 INFO L93 Difference]: Finished difference Result 1070 states and 1617 transitions. [2023-11-23 09:02:16,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 09:02:16,689 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 4 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 290 [2023-11-23 09:02:16,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:02:16,692 INFO L225 Difference]: With dead ends: 1070 [2023-11-23 09:02:16,692 INFO L226 Difference]: Without dead ends: 591 [2023-11-23 09:02:16,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-23 09:02:16,695 INFO L413 NwaCegarLoop]: 754 mSDtfsCounter, 59 mSDsluCounter, 2922 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 3676 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 09:02:16,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 3676 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 09:02:16,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2023-11-23 09:02:16,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 535. [2023-11-23 09:02:16,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 297 states have (on average 1.2491582491582491) internal successors, (371), 299 states have internal predecessors, (371), 201 states have call successors, (201), 35 states have call predecessors, (201), 35 states have return successors, (232), 200 states have call predecessors, (232), 199 states have call successors, (232) [2023-11-23 09:02:16,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 804 transitions. [2023-11-23 09:02:16,715 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 804 transitions. Word has length 290 [2023-11-23 09:02:16,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:02:16,716 INFO L495 AbstractCegarLoop]: Abstraction has 535 states and 804 transitions. [2023-11-23 09:02:16,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 4 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2023-11-23 09:02:16,716 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 804 transitions. [2023-11-23 09:02:16,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2023-11-23 09:02:16,717 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:02:16,718 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 09:02:16,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-23 09:02:16,938 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,SelfDestructingSolverStorable12 [2023-11-23 09:02:16,938 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:02:16,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:02:16,939 INFO L85 PathProgramCache]: Analyzing trace with hash -539349741, now seen corresponding path program 1 times [2023-11-23 09:02:16,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:02:16,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780932900] [2023-11-23 09:02:16,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:16,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:02:17,018 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 09:02:17,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1970185608] [2023-11-23 09:02:17,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:17,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:17,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:02:17,030 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 09:02:17,031 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 09:02:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:02:17,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 3605 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 09:02:17,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:02:17,856 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 09:02:17,856 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 09:02:18,036 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 09:02:18,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:02:18,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780932900] [2023-11-23 09:02:18,037 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 09:02:18,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970185608] [2023-11-23 09:02:18,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970185608] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 09:02:18,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 09:02:18,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2023-11-23 09:02:18,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602369981] [2023-11-23 09:02:18,037 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 09:02:18,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:02:18,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:02:18,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:02:18,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-23 09:02:18,039 INFO L87 Difference]: Start difference. First operand 535 states and 804 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 09:02:18,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:02:18,496 INFO L93 Difference]: Finished difference Result 1048 states and 1579 transitions. [2023-11-23 09:02:18,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 09:02:18,497 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 09:02:18,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:02:18,503 INFO L225 Difference]: With dead ends: 1048 [2023-11-23 09:02:18,503 INFO L226 Difference]: Without dead ends: 549 [2023-11-23 09:02:18,505 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 09:02:18,508 INFO L413 NwaCegarLoop]: 695 mSDtfsCounter, 5 mSDsluCounter, 3470 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 4165 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 09:02:18,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 4165 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 09:02:18,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2023-11-23 09:02:18,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 541. [2023-11-23 09:02:18,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 301 states have (on average 1.2458471760797343) internal successors, (375), 303 states have internal predecessors, (375), 202 states have call successors, (202), 35 states have call predecessors, (202), 36 states have return successors, (237), 202 states have call predecessors, (237), 200 states have call successors, (237) [2023-11-23 09:02:18,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 814 transitions. [2023-11-23 09:02:18,533 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 814 transitions. Word has length 290 [2023-11-23 09:02:18,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:02:18,533 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 814 transitions. [2023-11-23 09:02:18,533 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 09:02:18,533 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 814 transitions. [2023-11-23 09:02:18,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2023-11-23 09:02:18,535 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:02:18,535 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 09:02:18,553 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 09:02:18,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:18,754 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:02:18,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:02:18,754 INFO L85 PathProgramCache]: Analyzing trace with hash -40792939, now seen corresponding path program 1 times [2023-11-23 09:02:18,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:02:18,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955823826] [2023-11-23 09:02:18,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:18,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:02:18,821 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 09:02:18,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1460803984] [2023-11-23 09:02:18,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:18,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:18,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:02:18,881 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 09:02:18,882 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 09:02:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:02:19,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 3602 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 09:02:19,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:02:19,721 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2023-11-23 09:02:19,722 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:02:19,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:02:19,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955823826] [2023-11-23 09:02:19,722 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 09:02:19,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460803984] [2023-11-23 09:02:19,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460803984] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:02:19,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:02:19,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 09:02:19,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382962481] [2023-11-23 09:02:19,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:02:19,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 09:02:19,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:02:19,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 09:02:19,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 09:02:19,725 INFO L87 Difference]: Start difference. First operand 541 states and 814 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-23 09:02:20,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:02:20,306 INFO L93 Difference]: Finished difference Result 1085 states and 1648 transitions. [2023-11-23 09:02:20,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 09:02:20,307 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 290 [2023-11-23 09:02:20,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:02:20,310 INFO L225 Difference]: With dead ends: 1085 [2023-11-23 09:02:20,310 INFO L226 Difference]: Without dead ends: 573 [2023-11-23 09:02:20,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-23 09:02:20,312 INFO L413 NwaCegarLoop]: 691 mSDtfsCounter, 21 mSDsluCounter, 2578 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 3269 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 09:02:20,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 3269 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 09:02:20,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2023-11-23 09:02:20,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 549. [2023-11-23 09:02:20,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 309 states have (on average 1.2459546925566343) internal successors, (385), 311 states have internal predecessors, (385), 202 states have call successors, (202), 35 states have call predecessors, (202), 36 states have return successors, (237), 202 states have call predecessors, (237), 200 states have call successors, (237) [2023-11-23 09:02:20,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 824 transitions. [2023-11-23 09:02:20,344 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 824 transitions. Word has length 290 [2023-11-23 09:02:20,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:02:20,344 INFO L495 AbstractCegarLoop]: Abstraction has 549 states and 824 transitions. [2023-11-23 09:02:20,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-23 09:02:20,345 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 824 transitions. [2023-11-23 09:02:20,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2023-11-23 09:02:20,346 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:02:20,346 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 09:02:20,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-11-23 09:02:20,560 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,SelfDestructingSolverStorable14 [2023-11-23 09:02:20,560 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:02:20,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:02:20,561 INFO L85 PathProgramCache]: Analyzing trace with hash 285706257, now seen corresponding path program 1 times [2023-11-23 09:02:20,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:02:20,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854205229] [2023-11-23 09:02:20,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:20,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:02:20,618 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 09:02:20,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [706178375] [2023-11-23 09:02:20,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:20,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:20,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:02:20,619 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 09:02:20,659 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 09:02:21,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:02:21,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 3596 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 09:02:21,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:02:21,455 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2023-11-23 09:02:21,455 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:02:21,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:02:21,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854205229] [2023-11-23 09:02:21,455 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 09:02:21,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706178375] [2023-11-23 09:02:21,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706178375] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:02:21,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:02:21,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 09:02:21,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146633644] [2023-11-23 09:02:21,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:02:21,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 09:02:21,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:02:21,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 09:02:21,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 09:02:21,457 INFO L87 Difference]: Start difference. First operand 549 states and 824 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, (34), 2 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-23 09:02:21,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:02:21,603 INFO L93 Difference]: Finished difference Result 1077 states and 1634 transitions. [2023-11-23 09:02:21,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 09:02:21,604 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, (34), 2 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 290 [2023-11-23 09:02:21,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:02:21,607 INFO L225 Difference]: With dead ends: 1077 [2023-11-23 09:02:21,607 INFO L226 Difference]: Without dead ends: 557 [2023-11-23 09:02:21,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 287 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 09:02:21,609 INFO L413 NwaCegarLoop]: 694 mSDtfsCounter, 3 mSDsluCounter, 1381 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2075 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 09:02:21,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2075 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 09:02:21,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2023-11-23 09:02:21,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 553. [2023-11-23 09:02:21,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 313 states have (on average 1.2428115015974441) internal successors, (389), 315 states have internal predecessors, (389), 202 states have call successors, (202), 35 states have call predecessors, (202), 36 states have return successors, (237), 202 states have call predecessors, (237), 200 states have call successors, (237) [2023-11-23 09:02:21,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 828 transitions. [2023-11-23 09:02:21,637 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 828 transitions. Word has length 290 [2023-11-23 09:02:21,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:02:21,637 INFO L495 AbstractCegarLoop]: Abstraction has 553 states and 828 transitions. [2023-11-23 09:02:21,637 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, (34), 2 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-23 09:02:21,637 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 828 transitions. [2023-11-23 09:02:21,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2023-11-23 09:02:21,639 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:02:21,639 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 09:02:21,668 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 09:02:21,857 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,SelfDestructingSolverStorable15 [2023-11-23 09:02:21,857 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:02:21,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:02:21,858 INFO L85 PathProgramCache]: Analyzing trace with hash -411159923, now seen corresponding path program 1 times [2023-11-23 09:02:21,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:02:21,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501193318] [2023-11-23 09:02:21,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:21,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:02:21,918 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 09:02:21,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [83167092] [2023-11-23 09:02:21,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:21,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:21,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:02:21,920 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 09:02:21,936 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 09:02:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:02:22,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 3586 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-23 09:02:22,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:02:22,845 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 9 treesize of output 3 [2023-11-23 09:02:22,848 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 9 treesize of output 3 [2023-11-23 09:02:22,882 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2023-11-23 09:02:22,883 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:02:22,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:02:22,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501193318] [2023-11-23 09:02:22,883 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 09:02:22,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83167092] [2023-11-23 09:02:22,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83167092] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:02:22,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:02:22,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-23 09:02:22,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914675389] [2023-11-23 09:02:22,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:02:22,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-23 09:02:22,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:02:22,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-23 09:02:22,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2023-11-23 09:02:22,886 INFO L87 Difference]: Start difference. First operand 553 states and 828 transitions. Second operand has 12 states, 12 states have (on average 8.75) internal successors, (105), 12 states have internal predecessors, (105), 5 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2023-11-23 09:02:24,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:02:24,380 INFO L93 Difference]: Finished difference Result 1149 states and 1760 transitions. [2023-11-23 09:02:24,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-23 09:02:24,381 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.75) internal successors, (105), 12 states have internal predecessors, (105), 5 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) Word has length 290 [2023-11-23 09:02:24,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:02:24,402 INFO L225 Difference]: With dead ends: 1149 [2023-11-23 09:02:24,402 INFO L226 Difference]: Without dead ends: 625 [2023-11-23 09:02:24,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=487, Unknown=0, NotChecked=0, Total=600 [2023-11-23 09:02:24,405 INFO L413 NwaCegarLoop]: 656 mSDtfsCounter, 94 mSDsluCounter, 6105 mSDsCounter, 0 mSdLazyCounter, 1653 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 6761 SdHoareTripleChecker+Invalid, 1665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-23 09:02:24,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 6761 Invalid, 1665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1653 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-23 09:02:24,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2023-11-23 09:02:24,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 590. [2023-11-23 09:02:24,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 349 states have (on average 1.2492836676217765) internal successors, (436), 350 states have internal predecessors, (436), 202 states have call successors, (202), 35 states have call predecessors, (202), 37 states have return successors, (270), 204 states have call predecessors, (270), 200 states have call successors, (270) [2023-11-23 09:02:24,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 908 transitions. [2023-11-23 09:02:24,427 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 908 transitions. Word has length 290 [2023-11-23 09:02:24,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:02:24,427 INFO L495 AbstractCegarLoop]: Abstraction has 590 states and 908 transitions. [2023-11-23 09:02:24,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.75) internal successors, (105), 12 states have internal predecessors, (105), 5 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2023-11-23 09:02:24,428 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 908 transitions. [2023-11-23 09:02:24,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2023-11-23 09:02:24,429 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:02:24,429 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:02:24,450 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-11-23 09:02:24,649 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,SelfDestructingSolverStorable16 [2023-11-23 09:02:24,650 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:02:24,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:02:24,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1880715665, now seen corresponding path program 1 times [2023-11-23 09:02:24,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:02:24,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615037119] [2023-11-23 09:02:24,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:24,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:02:24,711 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 09:02:24,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1935478134] [2023-11-23 09:02:24,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:24,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:24,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:02:24,713 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 09:02:24,737 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 09:02:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:02:25,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 3576 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 09:02:25,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:02:25,462 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2023-11-23 09:02:25,462 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:02:25,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:02:25,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615037119] [2023-11-23 09:02:25,462 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 09:02:25,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935478134] [2023-11-23 09:02:25,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935478134] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:02:25,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:02:25,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 09:02:25,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140608304] [2023-11-23 09:02:25,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:02:25,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 09:02:25,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:02:25,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 09:02:25,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 09:02:25,464 INFO L87 Difference]: Start difference. First operand 590 states and 908 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-23 09:02:25,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:02:25,643 INFO L93 Difference]: Finished difference Result 1154 states and 1844 transitions. [2023-11-23 09:02:25,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 09:02:25,644 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 290 [2023-11-23 09:02:25,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:02:25,647 INFO L225 Difference]: With dead ends: 1154 [2023-11-23 09:02:25,647 INFO L226 Difference]: Without dead ends: 593 [2023-11-23 09:02:25,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 288 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 09:02:25,650 INFO L413 NwaCegarLoop]: 701 mSDtfsCounter, 7 mSDsluCounter, 1382 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2083 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 09:02:25,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2083 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 09:02:25,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2023-11-23 09:02:25,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 590. [2023-11-23 09:02:25,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 349 states have (on average 1.2464183381088825) internal successors, (435), 350 states have internal predecessors, (435), 202 states have call successors, (202), 35 states have call predecessors, (202), 37 states have return successors, (270), 204 states have call predecessors, (270), 200 states have call successors, (270) [2023-11-23 09:02:25,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 907 transitions. [2023-11-23 09:02:25,669 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 907 transitions. Word has length 290 [2023-11-23 09:02:25,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:02:25,670 INFO L495 AbstractCegarLoop]: Abstraction has 590 states and 907 transitions. [2023-11-23 09:02:25,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-23 09:02:25,670 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 907 transitions. [2023-11-23 09:02:25,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2023-11-23 09:02:25,671 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:02:25,672 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 09:02:25,690 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 09:02:25,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-23 09:02:25,886 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:02:25,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:02:25,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1564335705, now seen corresponding path program 1 times [2023-11-23 09:02:25,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:02:25,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136887022] [2023-11-23 09:02:25,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:25,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:02:25,951 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 09:02:25,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [769879373] [2023-11-23 09:02:25,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:25,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:25,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:02:25,967 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 09:02:25,992 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 09:02:26,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:02:26,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 3596 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-23 09:02:26,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:02:26,879 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 11 treesize of output 5 [2023-11-23 09:02:26,902 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2023-11-23 09:02:26,903 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:02:26,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:02:26,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136887022] [2023-11-23 09:02:26,903 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 09:02:26,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769879373] [2023-11-23 09:02:26,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769879373] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:02:26,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:02:26,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-23 09:02:26,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727813491] [2023-11-23 09:02:26,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:02:26,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 09:02:26,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:02:26,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 09:02:26,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-11-23 09:02:26,906 INFO L87 Difference]: Start difference. First operand 590 states and 907 transitions. Second operand has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 5 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2023-11-23 09:02:28,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:02:28,058 INFO L93 Difference]: Finished difference Result 1185 states and 1864 transitions. [2023-11-23 09:02:28,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-23 09:02:28,059 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 5 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) Word has length 294 [2023-11-23 09:02:28,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:02:28,062 INFO L225 Difference]: With dead ends: 1185 [2023-11-23 09:02:28,062 INFO L226 Difference]: Without dead ends: 624 [2023-11-23 09:02:28,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2023-11-23 09:02:28,065 INFO L413 NwaCegarLoop]: 650 mSDtfsCounter, 69 mSDsluCounter, 4272 mSDsCounter, 0 mSdLazyCounter, 1200 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 4922 SdHoareTripleChecker+Invalid, 1207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-23 09:02:28,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 4922 Invalid, 1207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1200 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-23 09:02:28,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2023-11-23 09:02:28,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 586. [2023-11-23 09:02:28,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 344 states have (on average 1.2325581395348837) internal successors, (424), 344 states have internal predecessors, (424), 202 states have call successors, (202), 35 states have call predecessors, (202), 38 states have return successors, (303), 206 states have call predecessors, (303), 200 states have call successors, (303) [2023-11-23 09:02:28,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 929 transitions. [2023-11-23 09:02:28,091 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 929 transitions. Word has length 294 [2023-11-23 09:02:28,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:02:28,091 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 929 transitions. [2023-11-23 09:02:28,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 5 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2023-11-23 09:02:28,092 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 929 transitions. [2023-11-23 09:02:28,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2023-11-23 09:02:28,093 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:02:28,093 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 09:02:28,113 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 09:02:28,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:28,299 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:02:28,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:02:28,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1151805611, now seen corresponding path program 1 times [2023-11-23 09:02:28,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:02:28,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890010366] [2023-11-23 09:02:28,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:28,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:02:28,425 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 09:02:28,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [953362409] [2023-11-23 09:02:28,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:28,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:28,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:02:28,445 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 09:02:28,482 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 09:02:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:02:29,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 3606 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-23 09:02:29,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:02:29,282 WARN L876 $PredicateComparison]: unable to prove that (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (select |c_#memory_int| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|)))) is different from true [2023-11-23 09:02:29,408 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 09:02:29,430 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 11 treesize of output 5 [2023-11-23 09:02:29,455 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2023-11-23 09:02:29,455 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:02:29,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:02:29,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890010366] [2023-11-23 09:02:29,455 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 09:02:29,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953362409] [2023-11-23 09:02:29,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953362409] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:02:29,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:02:29,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-23 09:02:29,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290221296] [2023-11-23 09:02:29,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:02:29,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-23 09:02:29,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:02:29,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-23 09:02:29,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=128, Unknown=1, NotChecked=22, Total=182 [2023-11-23 09:02:29,457 INFO L87 Difference]: Start difference. First operand 586 states and 929 transitions. Second operand has 14 states, 14 states have (on average 7.642857142857143) internal successors, (107), 13 states have internal predecessors, (107), 6 states have call successors, (36), 3 states have call predecessors, (36), 4 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) [2023-11-23 09:02:34,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:02:37,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:02:37,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:02:37,715 INFO L93 Difference]: Finished difference Result 1560 states and 2904 transitions. [2023-11-23 09:02:37,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-23 09:02:37,715 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.642857142857143) internal successors, (107), 13 states have internal predecessors, (107), 6 states have call successors, (36), 3 states have call predecessors, (36), 4 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) Word has length 294 [2023-11-23 09:02:37,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:02:37,721 INFO L225 Difference]: With dead ends: 1560 [2023-11-23 09:02:37,721 INFO L226 Difference]: Without dead ends: 1003 [2023-11-23 09:02:37,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=190, Invalid=683, Unknown=1, NotChecked=56, Total=930 [2023-11-23 09:02:37,724 INFO L413 NwaCegarLoop]: 653 mSDtfsCounter, 410 mSDsluCounter, 3407 mSDsCounter, 0 mSdLazyCounter, 4812 mSolverCounterSat, 285 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 4060 SdHoareTripleChecker+Invalid, 6520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 285 IncrementalHoareTripleChecker+Valid, 4812 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 1421 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2023-11-23 09:02:37,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 4060 Invalid, 6520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [285 Valid, 4812 Invalid, 2 Unknown, 1421 Unchecked, 7.9s Time] [2023-11-23 09:02:37,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2023-11-23 09:02:37,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 572. [2023-11-23 09:02:37,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 572 states, 331 states have (on average 1.2326283987915407) internal successors, (408), 332 states have internal predecessors, (408), 202 states have call successors, (202), 35 states have call predecessors, (202), 37 states have return successors, (270), 204 states have call predecessors, (270), 200 states have call successors, (270) [2023-11-23 09:02:37,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 880 transitions. [2023-11-23 09:02:37,782 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 880 transitions. Word has length 294 [2023-11-23 09:02:37,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:02:37,782 INFO L495 AbstractCegarLoop]: Abstraction has 572 states and 880 transitions. [2023-11-23 09:02:37,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.642857142857143) internal successors, (107), 13 states have internal predecessors, (107), 6 states have call successors, (36), 3 states have call predecessors, (36), 4 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) [2023-11-23 09:02:37,783 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 880 transitions. [2023-11-23 09:02:37,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2023-11-23 09:02:37,785 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:02:37,785 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 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 09:02:37,814 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 09:02:38,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:38,005 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:02:38,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:02:38,005 INFO L85 PathProgramCache]: Analyzing trace with hash -533893927, now seen corresponding path program 1 times [2023-11-23 09:02:38,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:02:38,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224650246] [2023-11-23 09:02:38,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:38,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:02:38,061 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 09:02:38,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1901042716] [2023-11-23 09:02:38,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:38,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:38,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:02:38,074 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 09:02:38,078 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 09:02:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:02:39,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 3596 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 09:02:39,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:02:39,074 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 09:02:39,075 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:02:39,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:02:39,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224650246] [2023-11-23 09:02:39,075 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 09:02:39,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901042716] [2023-11-23 09:02:39,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901042716] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:02:39,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:02:39,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 09:02:39,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974898542] [2023-11-23 09:02:39,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:02:39,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 09:02:39,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:02:39,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 09:02:39,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 09:02:39,079 INFO L87 Difference]: Start difference. First operand 572 states and 880 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 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 09:02:39,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:02:39,475 INFO L93 Difference]: Finished difference Result 1084 states and 1667 transitions. [2023-11-23 09:02:39,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 09:02:39,476 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 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 09:02:39,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:02:39,480 INFO L225 Difference]: With dead ends: 1084 [2023-11-23 09:02:39,480 INFO L226 Difference]: Without dead ends: 566 [2023-11-23 09:02:39,482 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 09:02:39,483 INFO L413 NwaCegarLoop]: 654 mSDtfsCounter, 2 mSDsluCounter, 1868 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2522 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 09:02:39,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2522 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 09:02:39,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2023-11-23 09:02:39,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 566. [2023-11-23 09:02:39,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 328 states have (on average 1.228658536585366) internal successors, (403), 329 states have internal predecessors, (403), 199 states have call successors, (199), 35 states have call predecessors, (199), 37 states have return successors, (266), 201 states have call predecessors, (266), 197 states have call successors, (266) [2023-11-23 09:02:39,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 868 transitions. [2023-11-23 09:02:39,505 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 868 transitions. Word has length 294 [2023-11-23 09:02:39,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:02:39,505 INFO L495 AbstractCegarLoop]: Abstraction has 566 states and 868 transitions. [2023-11-23 09:02:39,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 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 09:02:39,506 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 868 transitions. [2023-11-23 09:02:39,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2023-11-23 09:02:39,507 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:02:39,508 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 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 09:02:39,543 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 09:02:39,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:39,722 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:02:39,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:02:39,722 INFO L85 PathProgramCache]: Analyzing trace with hash -329657191, now seen corresponding path program 1 times [2023-11-23 09:02:39,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:02:39,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666870439] [2023-11-23 09:02:39,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:39,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:02:39,778 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 09:02:39,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1978810281] [2023-11-23 09:02:39,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:39,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:39,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:02:39,780 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 09:02:39,808 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 09:02:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:02:40,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 3602 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-23 09:02:40,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:02:40,730 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 09:02:40,730 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:02:40,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:02:40,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666870439] [2023-11-23 09:02:40,731 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 09:02:40,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978810281] [2023-11-23 09:02:40,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978810281] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:02:40,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:02:40,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 09:02:40,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451757484] [2023-11-23 09:02:40,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:02:40,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 09:02:40,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:02:40,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 09:02:40,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-23 09:02:40,733 INFO L87 Difference]: Start difference. First operand 566 states and 868 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 states have internal predecessors, (87), 5 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2023-11-23 09:02:41,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:02:41,381 INFO L93 Difference]: Finished difference Result 1092 states and 1676 transitions. [2023-11-23 09:02:41,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 09:02:41,382 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 states have internal predecessors, (87), 5 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) Word has length 294 [2023-11-23 09:02:41,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:02:41,386 INFO L225 Difference]: With dead ends: 1092 [2023-11-23 09:02:41,386 INFO L226 Difference]: Without dead ends: 562 [2023-11-23 09:02:41,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-11-23 09:02:41,389 INFO L413 NwaCegarLoop]: 688 mSDtfsCounter, 9 mSDsluCounter, 4120 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 4808 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 09:02:41,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 4808 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 09:02:41,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2023-11-23 09:02:41,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 562. [2023-11-23 09:02:41,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 325 states have (on average 1.2276923076923076) internal successors, (399), 327 states have internal predecessors, (399), 198 states have call successors, (198), 35 states have call predecessors, (198), 37 states have return successors, (263), 199 states have call predecessors, (263), 196 states have call successors, (263) [2023-11-23 09:02:41,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 860 transitions. [2023-11-23 09:02:41,415 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 860 transitions. Word has length 294 [2023-11-23 09:02:41,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:02:41,416 INFO L495 AbstractCegarLoop]: Abstraction has 562 states and 860 transitions. [2023-11-23 09:02:41,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 states have internal predecessors, (87), 5 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2023-11-23 09:02:41,416 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 860 transitions. [2023-11-23 09:02:41,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2023-11-23 09:02:41,418 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:02:41,418 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 09:02:41,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2023-11-23 09:02:41,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:41,636 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:02:41,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:02:41,637 INFO L85 PathProgramCache]: Analyzing trace with hash 133133614, now seen corresponding path program 1 times [2023-11-23 09:02:41,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:02:41,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740343517] [2023-11-23 09:02:41,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:41,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:02:41,702 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 09:02:41,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [135979237] [2023-11-23 09:02:41,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:02:41,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:02:41,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:02:41,704 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 09:02:41,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-11-23 09:03:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:03:01,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 3639 conjuncts, 106 conjunts are in the unsatisfiable core [2023-11-23 09:03:01,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:03:01,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-23 09:03:01,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-23 09:03:03,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-23 09:03:06,153 WARN L876 $PredicateComparison]: unable to prove that (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| Int) (|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (|aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset| Int) (|aws_mul_size_checked_aws_mul_u64_checked_~a#1| Int)) (and (<= |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset| |c_aws_mul_size_checked_#in~r#1.offset|) (= (store |c_old(#memory_int)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_int)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset| (* |aws_mul_size_checked_aws_mul_u64_checked_~b#1| |aws_mul_size_checked_aws_mul_u64_checked_~a#1|))) |c_#memory_int|))) is different from true [2023-11-23 09:03:09,711 WARN L876 $PredicateComparison]: unable to prove that (and (not (= 0 (mod (select (select |c_#memory_int| |c_aws_array_list_is_valid_#in~list.base|) (+ |c_aws_array_list_is_valid_#in~list.offset| 8)) 18446744073709551616))) (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| Int) (|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (|aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset| Int) (|aws_mul_size_checked_aws_mul_u64_checked_~a#1| Int)) (and (<= |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset| 0) (= (store |c_old(#memory_int)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_int)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset| (* |aws_mul_size_checked_aws_mul_u64_checked_~b#1| |aws_mul_size_checked_aws_mul_u64_checked_~a#1|))) |c_#memory_int|)))) is different from true [2023-11-23 09:03:10,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 09:03:10,205 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-23 09:03:10,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 97 treesize of output 1 [2023-11-23 09:03:10,209 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 314 proven. 17 refuted. 0 times theorem prover too weak. 327 trivial. 5 not checked. [2023-11-23 09:03:10,209 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 09:03:10,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:03:10,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740343517] [2023-11-23 09:03:10,855 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 09:03:10,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135979237] [2023-11-23 09:03:10,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135979237] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:03:10,855 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:03:10,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2023-11-23 09:03:10,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391293769] [2023-11-23 09:03:10,855 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-23 09:03:10,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-11-23 09:03:10,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:03:10,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-11-23 09:03:10,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=759, Unknown=16, NotChecked=114, Total=992 [2023-11-23 09:03:10,857 INFO L87 Difference]: Start difference. First operand 562 states and 860 transitions. Second operand has 31 states, 27 states have (on average 4.962962962962963) internal successors, (134), 28 states have internal predecessors, (134), 12 states have call successors, (40), 7 states have call predecessors, (40), 11 states have return successors, (37), 12 states have call predecessors, (37), 12 states have call successors, (37) [2023-11-23 09:03:14,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:03:25,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 09:03:47,119 WARN L539 Checker$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 09:03:50,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 09:03:52,545 WARN L539 Checker$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 09:03:56,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 09:03:58,759 WARN L539 Checker$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 09:04:04,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 09:04:06,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:04:09,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:04:11,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:04:14,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:04:23,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:04:25,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:04:28,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:04:30,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:04:32,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:04:34,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:04:36,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:04:38,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:04:41,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:04:48,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:04:51,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:04:58,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 09:05:01,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:05:05,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.59s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:05:12,126 WARN L539 Checker$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 09:05:14,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:05:17,536 WARN L539 Checker$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 09:05:19,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 09:05:26,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:05:32,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 09:05:34,857 WARN L539 Checker$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 09:05:37,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 09:05:41,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:05:44,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:05:46,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:05:50,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 09:05:55,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:05:58,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 09:06:03,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 09:06:05,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 09:06:07,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 09:06:10,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 09:06:13,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:06:15,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:06:17,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:06:20,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] Killed by 15