./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/aws-c-common/aws_array_list_swap_harness.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_array_list_swap_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6f838ff631dd7d907eee223e4bc065b6ce71a3dd1969d0a88cef9ccdcf3b54d1 --preprocessor.use.memory.slicer false --- Real Ultimate output --- This is Ultimate 0.2.3-?-abd6749-m [2023-11-23 08:05:29,194 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 08:05:29,270 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 08:05:29,274 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 08:05:29,275 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 08:05:29,298 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 08:05:29,299 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 08:05:29,299 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 08:05:29,299 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 08:05:29,302 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 08:05:29,302 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 08:05:29,303 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 08:05:29,303 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 08:05:29,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 08:05:29,304 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 08:05:29,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 08:05:29,305 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 08:05:29,305 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 08:05:29,305 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 08:05:29,305 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 08:05:29,305 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 08:05:29,306 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 08:05:29,306 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 08:05:29,306 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 08:05:29,307 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 08:05:29,307 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 08:05:29,307 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 08:05:29,307 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 08:05:29,307 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 08:05:29,308 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 08:05:29,308 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 08:05:29,309 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 08:05:29,309 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 08:05:29,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 08:05:29,309 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 08:05:29,309 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 08:05:29,309 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 08:05:29,309 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 08:05:29,310 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 08:05:29,310 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f838ff631dd7d907eee223e4bc065b6ce71a3dd1969d0a88cef9ccdcf3b54d1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> false [2023-11-23 08:05:29,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 08:05:29,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 08:05:29,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 08:05:29,529 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 08:05:29,529 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 08:05:29,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_array_list_swap_harness.i [2023-11-23 08:05:30,485 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 08:05:30,799 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 08:05:30,799 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_swap_harness.i [2023-11-23 08:05:30,827 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b801ba1af/a0b56bc7d4bc45cb95b97ddbc4be2048/FLAGac2b19922 [2023-11-23 08:05:30,838 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b801ba1af/a0b56bc7d4bc45cb95b97ddbc4be2048 [2023-11-23 08:05:30,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 08:05:30,842 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 08:05:30,849 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 08:05:30,849 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 08:05:30,853 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 08:05:30,853 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:05:30" (1/1) ... [2023-11-23 08:05:30,854 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@579afd39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:30, skipping insertion in model container [2023-11-23 08:05:30,854 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:05:30" (1/1) ... [2023-11-23 08:05:30,922 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 08:05:31,218 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_array_list_swap_harness.i[4493,4506] [2023-11-23 08:05:31,227 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_array_list_swap_harness.i[4553,4566] [2023-11-23 08:05:32,038 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,038 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,039 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,040 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,040 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,052 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,052 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,054 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,054 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,055 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,056 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,057 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,058 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,531 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 08:05:32,532 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 08:05:32,533 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 08:05:32,533 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 08:05:32,548 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 08:05:32,548 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 08:05:32,549 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 08:05:32,549 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 08:05:32,550 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 08:05:32,550 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 08:05:32,692 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,694 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,696 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,702 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 08:05:32,787 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 08:05:32,820 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_array_list_swap_harness.i[4493,4506] [2023-11-23 08:05:32,825 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_array_list_swap_harness.i[4553,4566] [2023-11-23 08:05:32,893 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,893 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,894 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,894 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,895 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,900 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,900 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,901 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,902 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,902 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,902 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,903 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,903 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,925 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 08:05:32,925 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 08:05:32,926 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 08:05:32,927 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 08:05:32,927 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 08:05:32,928 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 08:05:32,928 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 08:05:32,928 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 08:05:32,929 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 08:05:32,929 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 08:05:32,954 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,955 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,955 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,958 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:05:32,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7775-7786] [2023-11-23 08:05:32,985 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 08:05:33,204 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:05:33,205 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:05:33,205 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:05:33,205 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:05:33,205 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:05:33,206 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:05:33,206 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:05:33,206 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:05:33,206 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:05:33,206 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:05:33,207 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:05:33,207 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:05:33,207 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:05:33,207 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:05:33,207 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:05:33,212 INFO L206 MainTranslator]: Completed translation [2023-11-23 08:05:33,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:33 WrapperNode [2023-11-23 08:05:33,214 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 08:05:33,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 08:05:33,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 08:05:33,215 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 08:05:33,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:33" (1/1) ... [2023-11-23 08:05:33,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:33" (1/1) ... [2023-11-23 08:05:33,443 INFO L138 Inliner]: procedures = 690, calls = 1683, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 655 [2023-11-23 08:05:33,451 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 08:05:33,452 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 08:05:33,452 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 08:05:33,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 08:05:33,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:33" (1/1) ... [2023-11-23 08:05:33,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:33" (1/1) ... [2023-11-23 08:05:33,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:33" (1/1) ... [2023-11-23 08:05:33,477 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:33" (1/1) ... [2023-11-23 08:05:33,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:33" (1/1) ... [2023-11-23 08:05:33,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:33" (1/1) ... [2023-11-23 08:05:33,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:33" (1/1) ... [2023-11-23 08:05:33,540 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:33" (1/1) ... [2023-11-23 08:05:33,559 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 08:05:33,560 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 08:05:33,560 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 08:05:33,560 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 08:05:33,560 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:33" (1/1) ... [2023-11-23 08:05:33,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 08:05:33,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 08:05:33,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 08:05:33,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 08:05:33,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 08:05:33,658 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2023-11-23 08:05:33,658 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2023-11-23 08:05:33,658 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2023-11-23 08:05:33,658 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2023-11-23 08:05:33,658 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-23 08:05:33,659 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-23 08:05:33,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 08:05:33,659 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-23 08:05:33,659 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-23 08:05:33,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 08:05:33,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 08:05:33,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 08:05:33,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 08:05:33,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 08:05:33,660 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2023-11-23 08:05:33,660 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2023-11-23 08:05:33,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 08:05:33,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 08:05:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 08:05:33,661 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 08:05:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-23 08:05:33,661 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-23 08:05:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2023-11-23 08:05:33,661 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2023-11-23 08:05:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 08:05:33,661 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 08:05:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2023-11-23 08:05:33,661 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2023-11-23 08:05:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 08:05:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 08:05:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 08:05:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2023-11-23 08:05:33,662 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2023-11-23 08:05:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-23 08:05:33,663 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-23 08:05:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-23 08:05:33,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-23 08:05:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 08:05:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2023-11-23 08:05:33,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2023-11-23 08:05:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 08:05:33,972 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 08:05:33,974 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 08:05:34,989 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 08:05:35,192 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 08:05:35,192 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 08:05:35,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:05:35 BoogieIcfgContainer [2023-11-23 08:05:35,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 08:05:35,195 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 08:05:35,195 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 08:05:35,197 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 08:05:35,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:05:30" (1/3) ... [2023-11-23 08:05:35,198 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16810eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:05:35, skipping insertion in model container [2023-11-23 08:05:35,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:33" (2/3) ... [2023-11-23 08:05:35,200 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16810eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:05:35, skipping insertion in model container [2023-11-23 08:05:35,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:05:35" (3/3) ... [2023-11-23 08:05:35,201 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_swap_harness.i [2023-11-23 08:05:35,228 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 08:05:35,228 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 08:05:35,331 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 08:05:35,342 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;@9e5c878, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 08:05:35,343 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 08:05:35,346 INFO L276 IsEmpty]: Start isEmpty. Operand has 162 states, 84 states have (on average 1.2023809523809523) internal successors, (101), 85 states have internal predecessors, (101), 61 states have call successors, (61), 15 states have call predecessors, (61), 15 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2023-11-23 08:05:35,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-23 08:05:35,357 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 08:05:35,358 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 08:05:35,359 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 08:05:35,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 08:05:35,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1876522903, now seen corresponding path program 1 times [2023-11-23 08:05:35,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 08:05:35,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323156633] [2023-11-23 08:05:35,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:05:35,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 08:05:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:05:35,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 08:05:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:05:35,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 08:05:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:05:35,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 08:05:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:05:35,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 08:05:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:05:35,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 08:05:35,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:05:35,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 08:05:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:05:35,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 08:05:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:05:35,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 08:05:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:05:35,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 08:05:35,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:05:35,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 08:05:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:05:35,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 08:05:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:05:35,949 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-23 08:05:35,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 08:05:35,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323156633] [2023-11-23 08:05:35,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323156633] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 08:05:35,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 08:05:35,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 08:05:35,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113191373] [2023-11-23 08:05:35,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 08:05:35,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 08:05:35,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 08:05:35,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 08:05:35,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 08:05:35,975 INFO L87 Difference]: Start difference. First operand has 162 states, 84 states have (on average 1.2023809523809523) internal successors, (101), 85 states have internal predecessors, (101), 61 states have call successors, (61), 15 states have call predecessors, (61), 15 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-23 08:05:36,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 08:05:36,552 INFO L93 Difference]: Finished difference Result 343 states and 543 transitions. [2023-11-23 08:05:36,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 08:05:36,554 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 66 [2023-11-23 08:05:36,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 08:05:36,561 INFO L225 Difference]: With dead ends: 343 [2023-11-23 08:05:36,561 INFO L226 Difference]: Without dead ends: 184 [2023-11-23 08:05:36,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 08:05:36,566 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 41 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 08:05:36,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 240 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 08:05:36,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2023-11-23 08:05:36,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 160. [2023-11-23 08:05:36,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 83 states have (on average 1.1686746987951808) internal successors, (97), 84 states have internal predecessors, (97), 61 states have call successors, (61), 15 states have call predecessors, (61), 15 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-23 08:05:36,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 218 transitions. [2023-11-23 08:05:36,606 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 218 transitions. Word has length 66 [2023-11-23 08:05:36,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 08:05:36,606 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 218 transitions. [2023-11-23 08:05:36,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-23 08:05:36,607 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 218 transitions. [2023-11-23 08:05:36,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-23 08:05:36,608 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 08:05:36,609 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 08:05:36,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 08:05:36,609 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 08:05:36,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 08:05:36,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1345981991, now seen corresponding path program 1 times [2023-11-23 08:05:36,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 08:05:36,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843935826] [2023-11-23 08:05:36,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:05:36,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 08:05:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:05:36,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 08:05:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:05:36,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 08:05:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:05:36,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 08:05:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:05:36,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 08:05:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:05:36,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 08:05:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:05:36,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 08:05:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:05:36,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 08:05:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:05:36,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 08:05:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:05:36,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 08:05:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:05:36,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 08:05:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:05:36,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 08:05:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:05:36,960 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-23 08:05:36,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 08:05:36,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843935826] [2023-11-23 08:05:36,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843935826] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 08:05:36,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124464823] [2023-11-23 08:05:36,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:05:36,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 08:05:36,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 08:05:36,963 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 08:05:36,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 08:05:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:05:37,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 1989 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 08:05:37,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 08:05:37,375 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 08:05:37,375 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 08:05:37,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124464823] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 08:05:37,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 08:05:37,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2023-11-23 08:05:37,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611456168] [2023-11-23 08:05:37,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 08:05:37,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 08:05:37,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 08:05:37,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 08:05:37,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-23 08:05:37,378 INFO L87 Difference]: Start difference. First operand 160 states and 218 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-23 08:05:37,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 08:05:37,609 INFO L93 Difference]: Finished difference Result 290 states and 407 transitions. [2023-11-23 08:05:37,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 08:05:37,610 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 66 [2023-11-23 08:05:37,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 08:05:37,611 INFO L225 Difference]: With dead ends: 290 [2023-11-23 08:05:37,612 INFO L226 Difference]: Without dead ends: 162 [2023-11-23 08:05:37,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-23 08:05:37,613 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 41 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 08:05:37,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 650 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 08:05:37,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2023-11-23 08:05:37,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2023-11-23 08:05:37,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 84 states have (on average 1.1666666666666667) internal successors, (98), 86 states have internal predecessors, (98), 61 states have call successors, (61), 15 states have call predecessors, (61), 16 states have return successors, (68), 60 states have call predecessors, (68), 60 states have call successors, (68) [2023-11-23 08:05:37,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 227 transitions. [2023-11-23 08:05:37,626 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 227 transitions. Word has length 66 [2023-11-23 08:05:37,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 08:05:37,626 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 227 transitions. [2023-11-23 08:05:37,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-23 08:05:37,627 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 227 transitions. [2023-11-23 08:05:37,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-23 08:05:37,628 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 08:05:37,628 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 08:05:37,646 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-23 08:05:37,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 08:05:37,837 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 08:05:37,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 08:05:37,837 INFO L85 PathProgramCache]: Analyzing trace with hash 461452149, now seen corresponding path program 1 times [2023-11-23 08:05:37,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 08:05:37,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795344543] [2023-11-23 08:05:37,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:05:37,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 08:05:37,920 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 08:05:37,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1218120309] [2023-11-23 08:05:37,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:05:37,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 08:05:37,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 08:05:37,922 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 08:05:37,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 08:05:38,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:05:38,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 2128 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 08:05:38,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 08:05:38,344 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-23 08:05:38,345 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 08:05:38,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 08:05:38,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795344543] [2023-11-23 08:05:38,345 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 08:05:38,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218120309] [2023-11-23 08:05:38,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218120309] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 08:05:38,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 08:05:38,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 08:05:38,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465816835] [2023-11-23 08:05:38,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 08:05:38,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 08:05:38,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 08:05:38,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 08:05:38,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-23 08:05:38,348 INFO L87 Difference]: Start difference. First operand 162 states and 227 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 6 states have internal predecessors, (42), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2023-11-23 08:05:38,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 08:05:38,870 INFO L93 Difference]: Finished difference Result 300 states and 429 transitions. [2023-11-23 08:05:38,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 08:05:38,871 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 6 states have internal predecessors, (42), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 79 [2023-11-23 08:05:38,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 08:05:38,873 INFO L225 Difference]: With dead ends: 300 [2023-11-23 08:05:38,873 INFO L226 Difference]: Without dead ends: 173 [2023-11-23 08:05:38,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-23 08:05:38,878 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 49 mSDsluCounter, 808 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 985 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 08:05:38,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 985 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 08:05:38,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2023-11-23 08:05:38,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2023-11-23 08:05:38,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 89 states have (on average 1.1685393258426966) internal successors, (104), 91 states have internal predecessors, (104), 66 states have call successors, (66), 16 states have call predecessors, (66), 17 states have return successors, (73), 65 states have call predecessors, (73), 65 states have call successors, (73) [2023-11-23 08:05:38,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 243 transitions. [2023-11-23 08:05:38,901 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 243 transitions. Word has length 79 [2023-11-23 08:05:38,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 08:05:38,902 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 243 transitions. [2023-11-23 08:05:38,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 6 states have internal predecessors, (42), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2023-11-23 08:05:38,903 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 243 transitions. [2023-11-23 08:05:38,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-23 08:05:38,904 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 08:05:38,904 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 08:05:38,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 08:05:39,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-23 08:05:39,106 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 08:05:39,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 08:05:39,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1506486233, now seen corresponding path program 1 times [2023-11-23 08:05:39,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 08:05:39,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674939112] [2023-11-23 08:05:39,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:05:39,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 08:05:39,176 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 08:05:39,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [102637119] [2023-11-23 08:05:39,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:05:39,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 08:05:39,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 08:05:39,178 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 08:05:39,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 08:05:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:05:42,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 2406 conjuncts, 273 conjunts are in the unsatisfiable core [2023-11-23 08:05:42,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 08:05:42,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-23 08:05:42,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-23 08:05:49,142 WARN L293 SmtUtils]: Spent 5.21s on a formula simplification. DAG size of input: 95 DAG size of output: 66 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-23 08:05:49,143 INFO L349 Elim1Store]: treesize reduction 144, result has 45.7 percent of original size [2023-11-23 08:05:49,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 237 treesize of output 400 [2023-11-23 08:05:50,109 INFO L349 Elim1Store]: treesize reduction 692, result has 19.3 percent of original size [2023-11-23 08:05:50,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 47 case distinctions, treesize of input 201 treesize of output 457 [2023-11-23 08:08:37,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:08:39,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:08:40,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:08:41,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:08:41,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:08:47,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:08:47,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:08:52,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:08:52,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:08:53,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:08:53,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:08:53,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:08:53,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:08:53,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:08:54,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:08:55,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:08:55,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:08:55,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:05,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:06,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:07,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:07,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:09,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:09,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:11,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:11,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:23,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:23,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:23,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:23,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:24,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:24,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:24,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:24,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:24,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:24,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:28,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:28,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:28,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:28,622 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 08:09:28,777 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 08:09:30,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:30,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:30,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:33,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:33,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:33,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:34,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:35,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:35,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:35,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:35,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:35,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:35,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:36,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:37,238 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 08:09:37,353 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 08:09:37,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-23 08:09:42,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:45,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:50,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:51,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:09:54,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-23 08:10:00,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:10:03,910 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 08:10:04,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:10:05,270 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 08:10:05,982 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 08:10:06,936 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 08:10:07,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-23 08:10:07,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 Killed by 15