./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/aws-c-common/aws_priority_queue_s_swap_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_s_swap_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 c7fec9f280c43672e20c2f73c59f2b11cfff6d5b00e4a3a6ff40060b72524e00 --preprocessor.use.memory.slicer false --- Real Ultimate output --- This is Ultimate 0.2.3-?-abd6749-m [2023-11-23 09:03:58,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 09:03:58,994 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 09:03:59,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 09:03:59,007 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 09:03:59,041 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 09:03:59,043 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 09:03:59,044 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 09:03:59,045 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 09:03:59,048 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 09:03:59,049 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 09:03:59,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 09:03:59,050 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 09:03:59,051 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 09:03:59,051 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 09:03:59,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 09:03:59,052 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 09:03:59,052 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 09:03:59,052 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 09:03:59,053 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 09:03:59,053 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 09:03:59,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 09:03:59,054 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 09:03:59,054 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 09:03:59,055 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 09:03:59,055 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 09:03:59,055 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 09:03:59,055 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 09:03:59,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 09:03:59,056 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 09:03:59,057 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 09:03:59,057 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 09:03:59,057 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 09:03:59,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 09:03:59,058 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 09:03:59,058 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 09:03:59,058 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 09:03:59,058 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 09:03:59,058 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 09:03:59,059 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7fec9f280c43672e20c2f73c59f2b11cfff6d5b00e4a3a6ff40060b72524e00 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> false [2023-11-23 09:03:59,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 09:03:59,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 09:03:59,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 09:03:59,382 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 09:03:59,382 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 09:03:59,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_priority_queue_s_swap_harness_negated.i [2023-11-23 09:04:00,597 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 09:04:01,101 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 09:04:01,102 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_priority_queue_s_swap_harness_negated.i [2023-11-23 09:04:01,132 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c458ec5eb/6eb1f6ed13d0470f975dcfa45fb3cb09/FLAG801e27e51 [2023-11-23 09:04:01,148 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c458ec5eb/6eb1f6ed13d0470f975dcfa45fb3cb09 [2023-11-23 09:04:01,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 09:04:01,153 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 09:04:01,156 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 09:04:01,156 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 09:04:01,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 09:04:01,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:04:01" (1/1) ... [2023-11-23 09:04:01,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59ac24f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:04:01, skipping insertion in model container [2023-11-23 09:04:01,163 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:04:01" (1/1) ... [2023-11-23 09:04:01,264 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 09:04:01,520 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_s_swap_harness_negated.i[4499,4512] [2023-11-23 09:04:01,530 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_s_swap_harness_negated.i[4559,4572] [2023-11-23 09:04:02,330 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:02,332 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:02,332 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:02,334 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:02,335 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:02,358 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:02,361 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:02,363 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:02,365 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:02,367 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:02,370 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:02,371 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:02,371 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:02,717 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 09:04:02,718 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 09:04:02,721 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 09:04:02,722 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 09:04:02,725 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 09:04:02,726 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 09:04:02,727 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 09:04:02,727 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 09:04:02,738 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 09:04:02,740 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 09:04:02,923 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:02,928 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,022 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,023 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,023 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,023 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,024 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,026 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,026 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,028 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,028 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,028 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,029 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,029 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,030 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,035 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,035 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,035 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,036 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,041 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,041 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,052 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,052 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,053 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 09:04:03,115 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 09:04:03,127 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_s_swap_harness_negated.i[4499,4512] [2023-11-23 09:04:03,128 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_s_swap_harness_negated.i[4559,4572] [2023-11-23 09:04:03,197 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,210 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,210 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,211 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,212 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,216 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,220 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,221 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,222 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,223 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,223 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,224 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,225 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,263 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 09:04:03,265 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 09:04:03,266 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 09:04:03,267 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 09:04:03,268 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 09:04:03,268 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 09:04:03,268 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 09:04:03,269 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 09:04:03,269 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 09:04:03,269 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 09:04:03,310 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,315 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,319 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7738-7749] [2023-11-23 09:04:03,342 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,342 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,343 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,343 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,343 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,344 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,344 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,344 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,345 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,345 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,345 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,345 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,346 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,346 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,346 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,347 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,347 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,348 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,349 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,357 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,358 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,358 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:04:03,373 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 09:04:03,621 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:04:03,621 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:04:03,621 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:04:03,622 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:04:03,622 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:04:03,623 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:04:03,623 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:04:03,623 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:04:03,623 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:04:03,623 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:04:03,624 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:04:03,625 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:04:03,625 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:04:03,625 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:04:03,625 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:04:03,632 INFO L206 MainTranslator]: Completed translation [2023-11-23 09:04:03,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:04:03 WrapperNode [2023-11-23 09:04:03,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 09:04:03,635 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 09:04:03,635 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 09:04:03,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 09:04:03,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:04:03" (1/1) ... [2023-11-23 09:04:03,720 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:04:03" (1/1) ... [2023-11-23 09:04:03,801 INFO L138 Inliner]: procedures = 697, calls = 1949, calls flagged for inlining = 62, calls inlined = 12, statements flattened = 764 [2023-11-23 09:04:03,801 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 09:04:03,802 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 09:04:03,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 09:04:03,802 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 09:04:03,818 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:04:03" (1/1) ... [2023-11-23 09:04:03,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:04:03" (1/1) ... [2023-11-23 09:04:03,830 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:04:03" (1/1) ... [2023-11-23 09:04:03,830 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:04:03" (1/1) ... [2023-11-23 09:04:03,859 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:04:03" (1/1) ... [2023-11-23 09:04:03,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:04:03" (1/1) ... [2023-11-23 09:04:03,868 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:04:03" (1/1) ... [2023-11-23 09:04:03,871 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:04:03" (1/1) ... [2023-11-23 09:04:03,880 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 09:04:03,881 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 09:04:03,881 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 09:04:03,881 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 09:04:03,887 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:04:03" (1/1) ... [2023-11-23 09:04:03,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 09:04:03,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:04:03,941 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 09:04:03,975 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 09:04:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2023-11-23 09:04:04,005 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2023-11-23 09:04:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 09:04:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2023-11-23 09:04:04,006 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2023-11-23 09:04:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2023-11-23 09:04:04,006 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2023-11-23 09:04:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-23 09:04:04,006 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-23 09:04:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 09:04:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-23 09:04:04,007 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-23 09:04:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 09:04:04,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 09:04:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 09:04:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 09:04:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 09:04:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 09:04:04,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 09:04:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 09:04:04,008 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 09:04:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2023-11-23 09:04:04,008 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2023-11-23 09:04:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-23 09:04:04,009 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-23 09:04:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2023-11-23 09:04:04,009 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2023-11-23 09:04:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2023-11-23 09:04:04,009 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2023-11-23 09:04:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 09:04:04,010 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 09:04:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 09:04:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 09:04:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 09:04:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-23 09:04:04,010 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-23 09:04:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-23 09:04:04,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-23 09:04:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 09:04:04,012 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2023-11-23 09:04:04,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2023-11-23 09:04:04,014 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2023-11-23 09:04:04,015 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2023-11-23 09:04:04,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 09:04:04,327 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 09:04:04,329 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 09:04:05,180 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 09:04:05,292 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 09:04:05,292 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 09:04:05,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:04:05 BoogieIcfgContainer [2023-11-23 09:04:05,293 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 09:04:05,295 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 09:04:05,295 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 09:04:05,299 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 09:04:05,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:04:01" (1/3) ... [2023-11-23 09:04:05,300 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f3c48a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:04:05, skipping insertion in model container [2023-11-23 09:04:05,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:04:03" (2/3) ... [2023-11-23 09:04:05,300 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f3c48a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:04:05, skipping insertion in model container [2023-11-23 09:04:05,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:04:05" (3/3) ... [2023-11-23 09:04:05,302 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_swap_harness_negated.i [2023-11-23 09:04:05,320 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 09:04:05,321 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 09:04:05,376 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 09:04:05,383 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;@7dbdb592, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 09:04:05,383 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 09:04:05,388 INFO L276 IsEmpty]: Start isEmpty. Operand has 179 states, 112 states have (on average 1.2767857142857142) internal successors, (143), 113 states have internal predecessors, (143), 49 states have call successors, (49), 16 states have call predecessors, (49), 16 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2023-11-23 09:04:05,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-23 09:04:05,401 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:04:05,402 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2023-11-23 09:04:05,402 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:04:05,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:04:05,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1901120095, now seen corresponding path program 1 times [2023-11-23 09:04:05,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:04:05,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488405806] [2023-11-23 09:04:05,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:04:05,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:04:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:04:06,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:04:06,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488405806] [2023-11-23 09:04:06,007 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-23 09:04:06,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258748250] [2023-11-23 09:04:06,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:04:06,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:04:06,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:04:06,010 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 09:04:06,031 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 09:04:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:04:06,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 2237 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 09:04:06,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:04:06,629 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-11-23 09:04:06,630 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:04:06,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258748250] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:04:06,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:04:06,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 09:04:06,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123183348] [2023-11-23 09:04:06,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:04:06,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 09:04:06,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:04:06,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 09:04:06,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 09:04:06,677 INFO L87 Difference]: Start difference. First operand has 179 states, 112 states have (on average 1.2767857142857142) internal successors, (143), 113 states have internal predecessors, (143), 49 states have call successors, (49), 16 states have call predecessors, (49), 16 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 09:04:06,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:04:06,890 INFO L93 Difference]: Finished difference Result 350 states and 510 transitions. [2023-11-23 09:04:06,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 09:04:06,892 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 90 [2023-11-23 09:04:06,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:04:06,907 INFO L225 Difference]: With dead ends: 350 [2023-11-23 09:04:06,908 INFO L226 Difference]: Without dead ends: 177 [2023-11-23 09:04:06,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 09:04:06,921 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 09:04:06,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 224 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 09:04:06,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2023-11-23 09:04:06,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2023-11-23 09:04:06,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 111 states have (on average 1.2522522522522523) internal successors, (139), 112 states have internal predecessors, (139), 49 states have call successors, (49), 16 states have call predecessors, (49), 16 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-23 09:04:06,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 236 transitions. [2023-11-23 09:04:06,984 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 236 transitions. Word has length 90 [2023-11-23 09:04:06,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:04:06,986 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 236 transitions. [2023-11-23 09:04:06,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 09:04:06,987 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 236 transitions. [2023-11-23 09:04:06,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-23 09:04:06,997 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:04:06,998 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2023-11-23 09:04:07,021 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 09:04:07,208 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 09:04:07,209 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:04:07,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:04:07,210 INFO L85 PathProgramCache]: Analyzing trace with hash 735314991, now seen corresponding path program 1 times [2023-11-23 09:04:07,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:04:07,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888134280] [2023-11-23 09:04:07,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:04:07,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:04:07,404 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 09:04:07,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1726197267] [2023-11-23 09:04:07,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:04:07,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:04:07,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:04:07,406 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 09:04:07,422 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 09:04:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:04:08,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 2237 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 09:04:08,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:04:08,090 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-11-23 09:04:08,090 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:04:08,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:04:08,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888134280] [2023-11-23 09:04:08,091 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 09:04:08,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726197267] [2023-11-23 09:04:08,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1726197267] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:04:08,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:04:08,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 09:04:08,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985642556] [2023-11-23 09:04:08,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:04:08,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 09:04:08,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:04:08,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 09:04:08,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 09:04:08,095 INFO L87 Difference]: Start difference. First operand 177 states and 236 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-23 09:04:08,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:04:08,481 INFO L93 Difference]: Finished difference Result 187 states and 248 transitions. [2023-11-23 09:04:08,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 09:04:08,482 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 90 [2023-11-23 09:04:08,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:04:08,485 INFO L225 Difference]: With dead ends: 187 [2023-11-23 09:04:08,486 INFO L226 Difference]: Without dead ends: 185 [2023-11-23 09:04:08,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 85 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 09:04:08,487 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 5 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1080 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 09:04:08,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1080 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 09:04:08,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2023-11-23 09:04:08,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 184. [2023-11-23 09:04:08,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 115 states have (on average 1.2434782608695651) internal successors, (143), 117 states have internal predecessors, (143), 50 states have call successors, (50), 17 states have call predecessors, (50), 18 states have return successors, (52), 49 states have call predecessors, (52), 49 states have call successors, (52) [2023-11-23 09:04:08,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 245 transitions. [2023-11-23 09:04:08,506 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 245 transitions. Word has length 90 [2023-11-23 09:04:08,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:04:08,506 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 245 transitions. [2023-11-23 09:04:08,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-23 09:04:08,507 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 245 transitions. [2023-11-23 09:04:08,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-23 09:04:08,510 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:04:08,510 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2023-11-23 09:04:08,532 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 09:04:08,730 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 09:04:08,730 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:04:08,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:04:08,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1435061351, now seen corresponding path program 1 times [2023-11-23 09:04:08,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:04:08,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015243166] [2023-11-23 09:04:08,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:04:08,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:04:08,849 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 09:04:08,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [614668601] [2023-11-23 09:04:08,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:04:08,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:04:08,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:04:08,854 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 09:04:08,872 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 09:04:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:04:09,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 2293 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 09:04:09,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:04:09,542 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2023-11-23 09:04:09,542 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:04:09,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:04:09,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015243166] [2023-11-23 09:04:09,543 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 09:04:09,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614668601] [2023-11-23 09:04:09,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614668601] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:04:09,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:04:09,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 09:04:09,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472048057] [2023-11-23 09:04:09,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:04:09,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 09:04:09,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:04:09,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 09:04:09,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 09:04:09,546 INFO L87 Difference]: Start difference. First operand 184 states and 245 transitions. Second operand has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 5 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2023-11-23 09:04:09,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:04:09,964 INFO L93 Difference]: Finished difference Result 336 states and 445 transitions. [2023-11-23 09:04:09,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 09:04:09,968 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 5 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 98 [2023-11-23 09:04:09,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:04:09,970 INFO L225 Difference]: With dead ends: 336 [2023-11-23 09:04:09,970 INFO L226 Difference]: Without dead ends: 140 [2023-11-23 09:04:09,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-23 09:04:09,972 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 83 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 09:04:09,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 882 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 09:04:09,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-11-23 09:04:09,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2023-11-23 09:04:09,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 83 states have (on average 1.1927710843373494) internal successors, (99), 84 states have internal predecessors, (99), 43 states have call successors, (43), 13 states have call predecessors, (43), 13 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-23 09:04:09,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 184 transitions. [2023-11-23 09:04:09,986 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 184 transitions. Word has length 98 [2023-11-23 09:04:09,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:04:09,987 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 184 transitions. [2023-11-23 09:04:09,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 5 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2023-11-23 09:04:09,987 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 184 transitions. [2023-11-23 09:04:09,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-23 09:04:09,989 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:04:09,989 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2023-11-23 09:04:10,013 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 09:04:10,204 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 09:04:10,205 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:04:10,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:04:10,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1762431327, now seen corresponding path program 1 times [2023-11-23 09:04:10,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:04:10,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256106652] [2023-11-23 09:04:10,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:04:10,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:04:10,287 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 09:04:10,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [309812431] [2023-11-23 09:04:10,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:04:10,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:04:10,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:04:10,289 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 09:04:10,295 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 09:04:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:04:10,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 2248 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 09:04:10,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:04:10,821 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-23 09:04:10,822 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:04:10,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:04:10,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256106652] [2023-11-23 09:04:10,822 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 09:04:10,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309812431] [2023-11-23 09:04:10,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309812431] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:04:10,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:04:10,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 09:04:10,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956862157] [2023-11-23 09:04:10,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:04:10,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 09:04:10,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:04:10,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 09:04:10,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 09:04:10,825 INFO L87 Difference]: Start difference. First operand 140 states and 184 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-23 09:04:11,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:04:11,118 INFO L93 Difference]: Finished difference Result 154 states and 195 transitions. [2023-11-23 09:04:11,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 09:04:11,118 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 96 [2023-11-23 09:04:11,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:04:11,121 INFO L225 Difference]: With dead ends: 154 [2023-11-23 09:04:11,121 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 09:04:11,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 91 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 09:04:11,123 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 2 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 09:04:11,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 200 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 09:04:11,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 09:04:11,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 09:04:11,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 09:04:11,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 09:04:11,125 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 96 [2023-11-23 09:04:11,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:04:11,125 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 09:04:11,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-23 09:04:11,125 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 09:04:11,125 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 09:04:11,128 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 09:04:11,147 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-23 09:04:11,340 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 09:04:11,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 09:04:11,422 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6919 6924) the Hoare annotation is: true [2023-11-23 09:04:11,423 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6919 6924) no Hoare annotation was computed. [2023-11-23 09:04:11,423 INFO L899 garLoopResultBuilder]: For program point L6920-1(lines 6920 6922) no Hoare annotation was computed. [2023-11-23 09:04:11,423 INFO L902 garLoopResultBuilder]: At program point L6920(lines 6920 6922) the Hoare annotation is: true [2023-11-23 09:04:11,423 INFO L899 garLoopResultBuilder]: For program point L8258-1(line 8258) no Hoare annotation was computed. [2023-11-23 09:04:11,423 INFO L899 garLoopResultBuilder]: For program point L8246(lines 8246 8250) no Hoare annotation was computed. [2023-11-23 09:04:11,424 INFO L899 garLoopResultBuilder]: For program point aws_priority_queue_is_validEXIT(lines 8243 8264) no Hoare annotation was computed. [2023-11-23 09:04:11,424 INFO L899 garLoopResultBuilder]: For program point aws_priority_queue_backpointers_valid_returnLabel#1(lines 8185 8240) no Hoare annotation was computed. [2023-11-23 09:04:11,424 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8243 8264) the Hoare annotation is: true [2023-11-23 09:04:11,424 INFO L899 garLoopResultBuilder]: For program point L8230(line 8230) no Hoare annotation was computed. [2023-11-23 09:04:11,424 INFO L899 garLoopResultBuilder]: For program point L8197-2(line 8197) no Hoare annotation was computed. [2023-11-23 09:04:11,424 INFO L899 garLoopResultBuilder]: For program point L8230-3(lines 8230 8231) no Hoare annotation was computed. [2023-11-23 09:04:11,425 INFO L899 garLoopResultBuilder]: For program point L8197-1(line 8197) no Hoare annotation was computed. [2023-11-23 09:04:11,425 INFO L899 garLoopResultBuilder]: For program point L8230-2(line 8230) no Hoare annotation was computed. [2023-11-23 09:04:11,425 INFO L895 garLoopResultBuilder]: At program point L8197(line 8197) the Hoare annotation is: (and (<= |aws_priority_queue_is_valid_#in~queue#1.base| 0) (<= |aws_priority_queue_is_valid_#in~queue#1.base| |aws_priority_queue_is_valid_~queue#1.base|)) [2023-11-23 09:04:11,425 INFO L899 garLoopResultBuilder]: For program point L8197-7(lines 8197 8200) no Hoare annotation was computed. [2023-11-23 09:04:11,425 INFO L899 garLoopResultBuilder]: For program point L8197-5(lines 8197 8200) no Hoare annotation was computed. [2023-11-23 09:04:11,426 INFO L899 garLoopResultBuilder]: For program point L8197-4(line 8197) no Hoare annotation was computed. [2023-11-23 09:04:11,426 INFO L899 garLoopResultBuilder]: For program point L8230-5(lines 8230 8231) no Hoare annotation was computed. [2023-11-23 09:04:11,426 INFO L899 garLoopResultBuilder]: For program point L8187(lines 8187 8191) no Hoare annotation was computed. [2023-11-23 09:04:11,426 INFO L899 garLoopResultBuilder]: For program point aws_priority_queue_is_validFINAL(lines 8243 8264) no Hoare annotation was computed. [2023-11-23 09:04:11,426 INFO L899 garLoopResultBuilder]: For program point L8239(line 8239) no Hoare annotation was computed. [2023-11-23 09:04:11,426 INFO L899 garLoopResultBuilder]: For program point L8239-4(line 8239) no Hoare annotation was computed. [2023-11-23 09:04:11,426 INFO L899 garLoopResultBuilder]: For program point L8239-3(line 8239) no Hoare annotation was computed. [2023-11-23 09:04:11,427 INFO L895 garLoopResultBuilder]: At program point L8239-2(line 8239) the Hoare annotation is: (and (<= |aws_priority_queue_is_valid_#in~queue#1.base| 0) (<= |aws_priority_queue_is_valid_#in~queue#1.base| |aws_priority_queue_is_valid_~queue#1.base|)) [2023-11-23 09:04:11,427 INFO L895 garLoopResultBuilder]: At program point L8258(line 8258) the Hoare annotation is: (and (<= |aws_priority_queue_is_valid_#in~queue#1.base| 0) (<= |aws_priority_queue_is_valid_#in~queue#1.base| |aws_priority_queue_is_valid_~queue#1.base|)) [2023-11-23 09:04:11,427 INFO L899 garLoopResultBuilder]: For program point L6735-1(line 6735) no Hoare annotation was computed. [2023-11-23 09:04:11,427 INFO L902 garLoopResultBuilder]: At program point L6735(line 6735) the Hoare annotation is: true [2023-11-23 09:04:11,427 INFO L899 garLoopResultBuilder]: For program point L6737-1(line 6737) no Hoare annotation was computed. [2023-11-23 09:04:11,427 INFO L902 garLoopResultBuilder]: At program point L6737(line 6737) the Hoare annotation is: true [2023-11-23 09:04:11,428 INFO L899 garLoopResultBuilder]: For program point L6731(line 6731) no Hoare annotation was computed. [2023-11-23 09:04:11,428 INFO L899 garLoopResultBuilder]: For program point ensure_array_list_has_allocated_data_memberEXIT(lines 6730 6742) no Hoare annotation was computed. [2023-11-23 09:04:11,428 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6730 6742) the Hoare annotation is: true [2023-11-23 09:04:11,428 INFO L899 garLoopResultBuilder]: For program point L6731-4(lines 6730 6742) no Hoare annotation was computed. [2023-11-23 09:04:11,428 INFO L899 garLoopResultBuilder]: For program point L6731-2(lines 6731 6741) no Hoare annotation was computed. [2023-11-23 09:04:11,428 INFO L902 garLoopResultBuilder]: At program point L6738(line 6738) the Hoare annotation is: true [2023-11-23 09:04:11,428 INFO L899 garLoopResultBuilder]: For program point L6740-1(line 6740) no Hoare annotation was computed. [2023-11-23 09:04:11,429 INFO L902 garLoopResultBuilder]: At program point L6740(line 6740) the Hoare annotation is: true [2023-11-23 09:04:11,429 INFO L899 garLoopResultBuilder]: For program point L6738-3(lines 6738 6740) no Hoare annotation was computed. [2023-11-23 09:04:11,429 INFO L899 garLoopResultBuilder]: For program point L6738-1(lines 6738 6740) no Hoare annotation was computed. [2023-11-23 09:04:11,429 INFO L899 garLoopResultBuilder]: For program point L6732-1(lines 6732 6734) no Hoare annotation was computed. [2023-11-23 09:04:11,429 INFO L902 garLoopResultBuilder]: At program point L6732(lines 6732 6734) the Hoare annotation is: true [2023-11-23 09:04:11,429 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_boundedEXIT(lines 6716 6728) no Hoare annotation was computed. [2023-11-23 09:04:11,429 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6716 6728) the Hoare annotation is: true [2023-11-23 09:04:11,430 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_validEXIT(lines 2935 2962) no Hoare annotation was computed. [2023-11-23 09:04:11,430 INFO L899 garLoopResultBuilder]: For program point L2957(line 2957) no Hoare annotation was computed. [2023-11-23 09:04:11,430 INFO L899 garLoopResultBuilder]: For program point L2955(lines 2955 2956) no Hoare annotation was computed. [2023-11-23 09:04:11,430 INFO L899 garLoopResultBuilder]: For program point L2957-2(line 2957) no Hoare annotation was computed. [2023-11-23 09:04:11,430 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2935 2962) the Hoare annotation is: true [2023-11-23 09:04:11,430 INFO L899 garLoopResultBuilder]: For program point L2955-3(lines 2955 2957) no Hoare annotation was computed. [2023-11-23 09:04:11,430 INFO L899 garLoopResultBuilder]: For program point L2955-2(lines 2955 2956) no Hoare annotation was computed. [2023-11-23 09:04:11,430 INFO L899 garLoopResultBuilder]: For program point L2955-5(lines 2955 2957) no Hoare annotation was computed. [2023-11-23 09:04:11,431 INFO L899 garLoopResultBuilder]: For program point L2939(lines 2939 2943) no Hoare annotation was computed. [2023-11-23 09:04:11,431 INFO L902 garLoopResultBuilder]: At program point L2948(line 2948) the Hoare annotation is: true [2023-11-23 09:04:11,431 INFO L899 garLoopResultBuilder]: For program point L2948-1(line 2948) no Hoare annotation was computed. [2023-11-23 09:04:11,431 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_validFINAL(lines 2935 2962) no Hoare annotation was computed. [2023-11-23 09:04:11,431 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2023-11-23 09:04:11,431 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 261) the Hoare annotation is: true [2023-11-23 09:04:11,431 INFO L899 garLoopResultBuilder]: For program point L7166(lines 7166 7168) no Hoare annotation was computed. [2023-11-23 09:04:11,432 INFO L899 garLoopResultBuilder]: For program point L7167-1(line 7167) no Hoare annotation was computed. [2023-11-23 09:04:11,432 INFO L902 garLoopResultBuilder]: At program point L7167(line 7167) the Hoare annotation is: true [2023-11-23 09:04:11,432 INFO L899 garLoopResultBuilder]: For program point assert_byte_from_buffer_matchesEXIT(lines 7165 7169) no Hoare annotation was computed. [2023-11-23 09:04:11,432 INFO L899 garLoopResultBuilder]: For program point L7166-2(lines 7165 7169) no Hoare annotation was computed. [2023-11-23 09:04:11,432 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7165 7169) the Hoare annotation is: true [2023-11-23 09:04:11,432 INFO L899 garLoopResultBuilder]: For program point aws_mul_size_checkedEXIT(lines 2586 2594) no Hoare annotation was computed. [2023-11-23 09:04:11,432 INFO L899 garLoopResultBuilder]: For program point L2498-1(lines 2498 2499) no Hoare annotation was computed. [2023-11-23 09:04:11,433 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2586 2594) the Hoare annotation is: true [2023-11-23 09:04:11,433 INFO L899 garLoopResultBuilder]: For program point aws_mul_u64_checked_returnLabel#1(lines 2497 2502) no Hoare annotation was computed. [2023-11-23 09:04:11,433 INFO L902 garLoopResultBuilder]: At program point L2498(line 2498) the Hoare annotation is: true [2023-11-23 09:04:11,433 INFO L899 garLoopResultBuilder]: For program point L2499-1(line 2499) no Hoare annotation was computed. [2023-11-23 09:04:11,433 INFO L902 garLoopResultBuilder]: At program point L2499(line 2499) the Hoare annotation is: true [2023-11-23 09:04:11,433 INFO L899 garLoopResultBuilder]: For program point aws_priority_queue_backpointer_index_validEXIT(lines 8146 8162) no Hoare annotation was computed. [2023-11-23 09:04:11,433 INFO L899 garLoopResultBuilder]: For program point aws_priority_queue_backpointer_index_validFINAL(lines 8146 8162) no Hoare annotation was computed. [2023-11-23 09:04:11,434 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8146 8162) the Hoare annotation is: true [2023-11-23 09:04:11,434 INFO L899 garLoopResultBuilder]: For program point L8153(lines 8153 8158) no Hoare annotation was computed. [2023-11-23 09:04:11,434 INFO L899 garLoopResultBuilder]: For program point L8148-1(lines 8148 8152) no Hoare annotation was computed. [2023-11-23 09:04:11,434 INFO L902 garLoopResultBuilder]: At program point L8148(line 8148) the Hoare annotation is: true [2023-11-23 09:04:11,434 INFO L902 garLoopResultBuilder]: At program point L2337-3(lines 2337 2343) the Hoare annotation is: true [2023-11-23 09:04:11,434 INFO L899 garLoopResultBuilder]: For program point L2337-4(lines 2337 2343) no Hoare annotation was computed. [2023-11-23 09:04:11,434 INFO L899 garLoopResultBuilder]: For program point aws_is_mem_zeroedEXIT(lines 2331 2348) no Hoare annotation was computed. [2023-11-23 09:04:11,435 INFO L899 garLoopResultBuilder]: For program point aws_is_mem_zeroedFINAL(lines 2331 2348) no Hoare annotation was computed. [2023-11-23 09:04:11,435 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2331 2348) the Hoare annotation is: true [2023-11-23 09:04:11,435 INFO L899 garLoopResultBuilder]: For program point L2338(lines 2338 2342) no Hoare annotation was computed. [2023-11-23 09:04:11,435 INFO L899 garLoopResultBuilder]: For program point L6939-1(line 6939) no Hoare annotation was computed. [2023-11-23 09:04:11,435 INFO L902 garLoopResultBuilder]: At program point L6939(line 6939) the Hoare annotation is: true [2023-11-23 09:04:11,435 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6936 6940) the Hoare annotation is: true [2023-11-23 09:04:11,435 INFO L899 garLoopResultBuilder]: For program point L6937-3(lines 6937 6939) no Hoare annotation was computed. [2023-11-23 09:04:11,435 INFO L899 garLoopResultBuilder]: For program point L6937-1(lines 6937 6939) no Hoare annotation was computed. [2023-11-23 09:04:11,436 INFO L902 garLoopResultBuilder]: At program point L6937(line 6937) the Hoare annotation is: true [2023-11-23 09:04:11,436 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 6936 6940) no Hoare annotation was computed. [2023-11-23 09:04:11,436 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2023-11-23 09:04:11,436 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 210 212) the Hoare annotation is: true [2023-11-23 09:04:11,436 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2023-11-23 09:04:11,436 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2023-11-23 09:04:11,436 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1988 1999) the Hoare annotation is: true [2023-11-23 09:04:11,437 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2023-11-23 09:04:11,437 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6926 6928) the Hoare annotation is: true [2023-11-23 09:04:11,437 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6926 6928) no Hoare annotation was computed. [2023-11-23 09:04:11,437 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_multEXIT(lines 253 256) no Hoare annotation was computed. [2023-11-23 09:04:11,437 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 253 256) the Hoare annotation is: true [2023-11-23 09:04:11,437 INFO L899 garLoopResultBuilder]: For program point L8417-1(line 8417) no Hoare annotation was computed. [2023-11-23 09:04:11,437 INFO L895 garLoopResultBuilder]: At program point L8475(line 8475) the Hoare annotation is: false [2023-11-23 09:04:11,438 INFO L895 garLoopResultBuilder]: At program point L8417(line 8417) the Hoare annotation is: false [2023-11-23 09:04:11,438 INFO L895 garLoopResultBuilder]: At program point L8475-1(line 8475) the Hoare annotation is: false [2023-11-23 09:04:11,438 INFO L899 garLoopResultBuilder]: For program point L8450-1(line 8450) no Hoare annotation was computed. [2023-11-23 09:04:11,438 INFO L899 garLoopResultBuilder]: For program point L8475-2(line 8475) no Hoare annotation was computed. [2023-11-23 09:04:11,438 INFO L899 garLoopResultBuilder]: For program point L7187-1(line 7187) no Hoare annotation was computed. [2023-11-23 09:04:11,438 INFO L895 garLoopResultBuilder]: At program point L7187(line 7187) the Hoare annotation is: false [2023-11-23 09:04:11,438 INFO L899 garLoopResultBuilder]: For program point L7179(lines 7179 7196) no Hoare annotation was computed. [2023-11-23 09:04:11,439 INFO L895 garLoopResultBuilder]: At program point L8484(line 8484) the Hoare annotation is: false [2023-11-23 09:04:11,439 INFO L899 garLoopResultBuilder]: For program point L8484-1(line 8484) no Hoare annotation was computed. [2023-11-23 09:04:11,439 INFO L895 garLoopResultBuilder]: At program point L8418(line 8418) the Hoare annotation is: false [2023-11-23 09:04:11,439 INFO L899 garLoopResultBuilder]: For program point L7171(lines 7171 7177) no Hoare annotation was computed. [2023-11-23 09:04:11,439 INFO L899 garLoopResultBuilder]: For program point L8443(lines 8443 8451) no Hoare annotation was computed. [2023-11-23 09:04:11,439 INFO L899 garLoopResultBuilder]: For program point L8418-1(line 8418) no Hoare annotation was computed. [2023-11-23 09:04:11,439 INFO L899 garLoopResultBuilder]: For program point L8443-2(lines 8443 8451) no Hoare annotation was computed. [2023-11-23 09:04:11,439 INFO L895 garLoopResultBuilder]: At program point L8460(line 8460) the Hoare annotation is: false [2023-11-23 09:04:11,440 INFO L899 garLoopResultBuilder]: For program point L8460-1(line 8460) no Hoare annotation was computed. [2023-11-23 09:04:11,440 INFO L895 garLoopResultBuilder]: At program point L6792-1(line 6792) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) [2023-11-23 09:04:11,440 INFO L895 garLoopResultBuilder]: At program point L6792(line 6792) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) [2023-11-23 09:04:11,440 INFO L895 garLoopResultBuilder]: At program point L8419-1(line 8419) the Hoare annotation is: false [2023-11-23 09:04:11,440 INFO L895 garLoopResultBuilder]: At program point L8419(line 8419) the Hoare annotation is: false [2023-11-23 09:04:11,440 INFO L899 garLoopResultBuilder]: For program point L7172(lines 7172 7176) no Hoare annotation was computed. [2023-11-23 09:04:11,440 INFO L899 garLoopResultBuilder]: For program point L8419-2(line 8419) no Hoare annotation was computed. [2023-11-23 09:04:11,441 INFO L899 garLoopResultBuilder]: For program point L7189-1(line 7189) no Hoare annotation was computed. [2023-11-23 09:04:11,441 INFO L895 garLoopResultBuilder]: At program point L7189(line 7189) the Hoare annotation is: false [2023-11-23 09:04:11,441 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 09:04:11,441 INFO L899 garLoopResultBuilder]: For program point L6793(line 6793) no Hoare annotation was computed. [2023-11-23 09:04:11,441 INFO L899 garLoopResultBuilder]: For program point L8420-2(line 8420) no Hoare annotation was computed. [2023-11-23 09:04:11,441 INFO L895 garLoopResultBuilder]: At program point L8420-1(line 8420) the Hoare annotation is: false [2023-11-23 09:04:11,441 INFO L895 garLoopResultBuilder]: At program point L8420(line 8420) the Hoare annotation is: false [2023-11-23 09:04:11,442 INFO L895 garLoopResultBuilder]: At program point L8437(line 8437) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) [2023-11-23 09:04:11,442 INFO L895 garLoopResultBuilder]: At program point L7190(line 7190) the Hoare annotation is: false [2023-11-23 09:04:11,442 INFO L895 garLoopResultBuilder]: At program point L8437-1(line 8437) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) (= 0 |ULTIMATE.start_aws_priority_queue_s_swap_harness_#t~ret955#1|)) [2023-11-23 09:04:11,442 INFO L899 garLoopResultBuilder]: For program point L8437-2(line 8437) no Hoare annotation was computed. [2023-11-23 09:04:11,442 INFO L899 garLoopResultBuilder]: For program point L7190-1(line 7190) no Hoare annotation was computed. [2023-11-23 09:04:11,442 INFO L895 garLoopResultBuilder]: At program point L7174(line 7174) the Hoare annotation is: false [2023-11-23 09:04:11,442 INFO L895 garLoopResultBuilder]: At program point L6786(lines 6786 6787) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) [2023-11-23 09:04:11,443 INFO L899 garLoopResultBuilder]: For program point L7174-1(line 7174) no Hoare annotation was computed. [2023-11-23 09:04:11,443 INFO L899 garLoopResultBuilder]: For program point L8479-2(lines 8479 8481) no Hoare annotation was computed. [2023-11-23 09:04:11,443 INFO L899 garLoopResultBuilder]: For program point L6786-1(lines 6786 6787) no Hoare annotation was computed. [2023-11-23 09:04:11,443 INFO L899 garLoopResultBuilder]: For program point L8479(lines 8479 8481) no Hoare annotation was computed. [2023-11-23 09:04:11,443 INFO L899 garLoopResultBuilder]: For program point L7191-1(line 7191) no Hoare annotation was computed. [2023-11-23 09:04:11,443 INFO L895 garLoopResultBuilder]: At program point L7191(line 7191) the Hoare annotation is: false [2023-11-23 09:04:11,443 INFO L899 garLoopResultBuilder]: For program point L8422(lines 8422 8425) no Hoare annotation was computed. [2023-11-23 09:04:11,444 INFO L899 garLoopResultBuilder]: For program point L6779-1(line 6779) no Hoare annotation was computed. [2023-11-23 09:04:11,444 INFO L895 garLoopResultBuilder]: At program point L6779(line 6779) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) [2023-11-23 09:04:11,444 INFO L899 garLoopResultBuilder]: For program point L7192-1(line 7192) no Hoare annotation was computed. [2023-11-23 09:04:11,444 INFO L895 garLoopResultBuilder]: At program point L7192(line 7192) the Hoare annotation is: false [2023-11-23 09:04:11,444 INFO L899 garLoopResultBuilder]: For program point L7184(lines 7184 7188) no Hoare annotation was computed. [2023-11-23 09:04:11,444 INFO L899 garLoopResultBuilder]: For program point L8423-1(line 8423) no Hoare annotation was computed. [2023-11-23 09:04:11,444 INFO L895 garLoopResultBuilder]: At program point L8423(line 8423) the Hoare annotation is: false [2023-11-23 09:04:11,445 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 09:04:11,445 INFO L899 garLoopResultBuilder]: For program point L8415(lines 8415 8426) no Hoare annotation was computed. [2023-11-23 09:04:11,445 INFO L895 garLoopResultBuilder]: At program point L8448(line 8448) the Hoare annotation is: false [2023-11-23 09:04:11,445 INFO L899 garLoopResultBuilder]: For program point L8448-1(line 8448) no Hoare annotation was computed. [2023-11-23 09:04:11,445 INFO L899 garLoopResultBuilder]: For program point L7193(lines 7193 7195) no Hoare annotation was computed. [2023-11-23 09:04:11,445 INFO L895 garLoopResultBuilder]: At program point L8440(line 8440) the Hoare annotation is: false [2023-11-23 09:04:11,445 INFO L899 garLoopResultBuilder]: For program point L8440-1(line 8440) no Hoare annotation was computed. [2023-11-23 09:04:11,445 INFO L899 garLoopResultBuilder]: For program point L8424-1(line 8424) no Hoare annotation was computed. [2023-11-23 09:04:11,446 INFO L895 garLoopResultBuilder]: At program point L8424(line 8424) the Hoare annotation is: false [2023-11-23 09:04:11,446 INFO L899 garLoopResultBuilder]: For program point L8416-2(line 8416) no Hoare annotation was computed. [2023-11-23 09:04:11,446 INFO L895 garLoopResultBuilder]: At program point L8416-1(line 8416) the Hoare annotation is: false [2023-11-23 09:04:11,446 INFO L895 garLoopResultBuilder]: At program point L8416(line 8416) the Hoare annotation is: false [2023-11-23 09:04:11,446 INFO L895 garLoopResultBuilder]: At program point L7194(line 7194) the Hoare annotation is: false [2023-11-23 09:04:11,446 INFO L899 garLoopResultBuilder]: For program point L7194-1(line 7194) no Hoare annotation was computed. [2023-11-23 09:04:11,446 INFO L895 garLoopResultBuilder]: At program point L8441(line 8441) the Hoare annotation is: false [2023-11-23 09:04:11,447 INFO L899 garLoopResultBuilder]: For program point L8441-1(line 8441) no Hoare annotation was computed. [2023-11-23 09:04:11,447 INFO L895 garLoopResultBuilder]: At program point L8433(line 8433) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) [2023-11-23 09:04:11,447 INFO L899 garLoopResultBuilder]: For program point L8433-1(line 8433) no Hoare annotation was computed. [2023-11-23 09:04:11,447 INFO L895 garLoopResultBuilder]: At program point L8483(line 8483) the Hoare annotation is: false [2023-11-23 09:04:11,447 INFO L895 garLoopResultBuilder]: At program point L8450(line 8450) the Hoare annotation is: false [2023-11-23 09:04:11,447 INFO L899 garLoopResultBuilder]: For program point L8483-1(line 8483) no Hoare annotation was computed. [2023-11-23 09:04:11,448 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2023-11-23 09:04:11,448 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2023-11-23 09:04:11,448 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2023-11-23 09:04:11,448 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2023-11-23 09:04:11,448 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2023-11-23 09:04:11,448 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2023-11-23 09:04:11,451 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-23 09:04:11,453 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 09:04:11,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:04:11 BoogieIcfgContainer [2023-11-23 09:04:11,463 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 09:04:11,463 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 09:04:11,464 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 09:04:11,464 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 09:04:11,464 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:04:05" (3/4) ... [2023-11-23 09:04:11,466 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 09:04:11,470 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2023-11-23 09:04:11,470 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2023-11-23 09:04:11,471 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_priority_queue_is_valid [2023-11-23 09:04:11,471 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_array_list_has_allocated_data_member [2023-11-23 09:04:11,471 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_bounded [2023-11-23 09:04:11,471 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_valid [2023-11-23 09:04:11,471 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2023-11-23 09:04:11,471 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-23 09:04:11,471 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2023-11-23 09:04:11,471 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2023-11-23 09:04:11,472 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2023-11-23 09:04:11,472 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_byte_from_buffer_matches [2023-11-23 09:04:11,472 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2023-11-23 09:04:11,472 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_priority_queue_backpointer_index_valid [2023-11-23 09:04:11,472 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_is_mem_zeroed [2023-11-23 09:04:11,472 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-23 09:04:11,487 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 158 nodes and edges [2023-11-23 09:04:11,488 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2023-11-23 09:04:11,489 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-11-23 09:04:11,490 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-23 09:04:11,491 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-23 09:04:11,492 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 09:04:11,493 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-23 09:04:11,495 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 09:04:12,162 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-11-23 09:04:12,163 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2023-11-23 09:04:12,163 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 09:04:12,164 INFO L158 Benchmark]: Toolchain (without parser) took 11010.47ms. Allocated memory was 159.4MB in the beginning and 304.1MB in the end (delta: 144.7MB). Free memory was 115.2MB in the beginning and 93.2MB in the end (delta: 22.1MB). Peak memory consumption was 165.4MB. Max. memory is 16.1GB. [2023-11-23 09:04:12,164 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 107.0MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 09:04:12,164 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2477.53ms. Allocated memory is still 159.4MB. Free memory was 114.6MB in the beginning and 82.6MB in the end (delta: 32.0MB). Peak memory consumption was 100.8MB. Max. memory is 16.1GB. [2023-11-23 09:04:12,164 INFO L158 Benchmark]: Boogie Procedure Inliner took 166.93ms. Allocated memory is still 159.4MB. Free memory was 82.6MB in the beginning and 72.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 09:04:12,165 INFO L158 Benchmark]: Boogie Preprocessor took 77.84ms. Allocated memory is still 159.4MB. Free memory was 72.1MB in the beginning and 64.6MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 09:04:12,165 INFO L158 Benchmark]: RCFGBuilder took 1412.84ms. Allocated memory was 159.4MB in the beginning and 234.9MB in the end (delta: 75.5MB). Free memory was 64.6MB in the beginning and 124.3MB in the end (delta: -59.7MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2023-11-23 09:04:12,166 INFO L158 Benchmark]: TraceAbstraction took 6167.72ms. Allocated memory was 234.9MB in the beginning and 304.1MB in the end (delta: 69.2MB). Free memory was 123.3MB in the beginning and 220.0MB in the end (delta: -96.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 09:04:12,166 INFO L158 Benchmark]: Witness Printer took 699.40ms. Allocated memory is still 304.1MB. Free memory was 220.0MB in the beginning and 93.2MB in the end (delta: 126.9MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. [2023-11-23 09:04:12,168 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 107.0MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2477.53ms. Allocated memory is still 159.4MB. Free memory was 114.6MB in the beginning and 82.6MB in the end (delta: 32.0MB). Peak memory consumption was 100.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 166.93ms. Allocated memory is still 159.4MB. Free memory was 82.6MB in the beginning and 72.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.84ms. Allocated memory is still 159.4MB. Free memory was 72.1MB in the beginning and 64.6MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1412.84ms. Allocated memory was 159.4MB in the beginning and 234.9MB in the end (delta: 75.5MB). Free memory was 64.6MB in the beginning and 124.3MB in the end (delta: -59.7MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. * TraceAbstraction took 6167.72ms. Allocated memory was 234.9MB in the beginning and 304.1MB in the end (delta: 69.2MB). Free memory was 123.3MB in the beginning and 220.0MB in the end (delta: -96.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 699.40ms. Allocated memory is still 304.1MB. Free memory was 220.0MB in the beginning and 93.2MB in the end (delta: 126.9MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 7738]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7738-7749] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 17 procedures, 179 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 4, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 103 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 90 mSDsluCounter, 2386 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1698 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 327 IncrementalHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 688 mSDtfsCounter, 327 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 375 GetRequests, 359 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=184occurred in iteration=2, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 256 PreInvPairs, 266 NumberOfFragments, 102 HoareAnnotationTreeSize, 256 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 66 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 464 NumberOfCodeBlocks, 464 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 370 ConstructedInterpolants, 0 QuantifiedInterpolants, 458 SizeOfPredicates, 6 NumberOfNonLiveVariables, 9015 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 406/406 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 2337]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-23 09:04:12,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE