./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/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 ../sv-benchmarks/c/aws-c-common/aws_array_list_clear_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.graphml --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 602c22a5759f33fe3c7a18e3ef1531ea38defb370e298f7d0c16de4a5734f1a7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 22:03:54,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 22:03:54,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 22:03:54,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 22:03:54,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 22:03:54,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 22:03:54,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 22:03:54,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 22:03:54,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 22:03:54,824 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 22:03:54,825 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 22:03:54,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 22:03:54,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 22:03:54,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 22:03:54,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 22:03:54,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 22:03:54,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 22:03:54,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 22:03:54,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 22:03:54,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 22:03:54,845 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 22:03:54,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 22:03:54,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 22:03:54,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 22:03:54,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 22:03:54,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 22:03:54,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 22:03:54,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 22:03:54,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 22:03:54,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 22:03:54,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 22:03:54,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 22:03:54,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 22:03:54,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 22:03:54,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 22:03:54,864 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 22:03:54,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 22:03:54,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 22:03:54,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 22:03:54,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 22:03:54,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 22:03:54,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 22:03:54,868 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-22 22:03:54,898 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 22:03:54,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 22:03:54,899 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 22:03:54,899 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 22:03:54,900 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 22:03:54,900 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 22:03:54,901 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 22:03:54,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 22:03:54,901 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 22:03:54,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 22:03:54,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 22:03:54,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 22:03:54,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 22:03:54,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 22:03:54,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 22:03:54,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 22:03:54,903 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 22:03:54,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 22:03:54,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 22:03:54,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 22:03:54,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 22:03:54,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:03:54,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 22:03:54,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 22:03:54,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 22:03:54,906 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 22:03:54,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 22:03:54,907 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 22:03:54,907 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 22:03:54,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 22:03:54,908 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 602c22a5759f33fe3c7a18e3ef1531ea38defb370e298f7d0c16de4a5734f1a7 [2022-07-22 22:03:55,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 22:03:55,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 22:03:55,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 22:03:55,167 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 22:03:55,168 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 22:03:55,169 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i [2022-07-22 22:03:55,232 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a6e4ea5a/748fa5a745bc4edc99aa88d039101d5e/FLAG20d37db5c [2022-07-22 22:03:55,903 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 22:03:55,904 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i [2022-07-22 22:03:55,939 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a6e4ea5a/748fa5a745bc4edc99aa88d039101d5e/FLAG20d37db5c [2022-07-22 22:03:56,008 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a6e4ea5a/748fa5a745bc4edc99aa88d039101d5e [2022-07-22 22:03:56,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 22:03:56,012 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 22:03:56,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 22:03:56,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 22:03:56,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 22:03:56,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:03:56" (1/1) ... [2022-07-22 22:03:56,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@795aea73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:03:56, skipping insertion in model container [2022-07-22 22:03:56,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:03:56" (1/1) ... [2022-07-22 22:03:56,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 22:03:56,122 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 22:03:56,321 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4494,4507] [2022-07-22 22:03:56,327 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4554,4567] [2022-07-22 22:03:56,884 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-22 22:03:56,946 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:03:56,947 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:03:56,948 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:03:56,949 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:03:56,949 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:03:56,960 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:03:56,961 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:03:56,962 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:03:56,963 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:03:56,964 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:03:56,965 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:03:56,965 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:03:56,966 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:03:57,227 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-22 22:03:57,230 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-22 22:03:57,230 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-22 22:03:57,234 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-22 22:03:57,237 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-22 22:03:57,238 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-22 22:03:57,240 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-22 22:03:57,241 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-22 22:03:57,243 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-22 22:03:57,244 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-22 22:03:57,349 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:03:57,354 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:03:57,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:03:57,474 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 22:03:57,494 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4494,4507] [2022-07-22 22:03:57,495 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4554,4567] [2022-07-22 22:03:57,520 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-22 22:03:57,531 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:03:57,532 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:03:57,532 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:03:57,532 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:03:57,533 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:03:57,538 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:03:57,539 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:03:57,539 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:03:57,540 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:03:57,540 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:03:57,541 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:03:57,541 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:03:57,541 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:03:57,566 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-22 22:03:57,567 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-22 22:03:57,567 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-22 22:03:57,568 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-22 22:03:57,569 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-22 22:03:57,569 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-22 22:03:57,570 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-22 22:03:57,570 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-22 22:03:57,570 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-22 22:03:57,571 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-22 22:03:57,584 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:03:57,587 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:03:57,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:03:57,825 INFO L208 MainTranslator]: Completed translation [2022-07-22 22:03:57,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:03:57 WrapperNode [2022-07-22 22:03:57,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 22:03:57,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 22:03:57,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 22:03:57,827 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 22:03:57,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:03:57" (1/1) ... [2022-07-22 22:03:57,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:03:57" (1/1) ... [2022-07-22 22:03:57,965 INFO L137 Inliner]: procedures = 690, calls = 1579, calls flagged for inlining = 46, calls inlined = 6, statements flattened = 585 [2022-07-22 22:03:57,966 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 22:03:57,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 22:03:57,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 22:03:57,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 22:03:57,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:03:57" (1/1) ... [2022-07-22 22:03:57,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:03:57" (1/1) ... [2022-07-22 22:03:57,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:03:57" (1/1) ... [2022-07-22 22:03:57,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:03:57" (1/1) ... [2022-07-22 22:03:58,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:03:57" (1/1) ... [2022-07-22 22:03:58,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:03:57" (1/1) ... [2022-07-22 22:03:58,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:03:57" (1/1) ... [2022-07-22 22:03:58,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 22:03:58,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 22:03:58,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 22:03:58,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 22:03:58,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:03:57" (1/1) ... [2022-07-22 22:03:58,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:03:58,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:03:58,077 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) [2022-07-22 22:03:58,101 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 [2022-07-22 22:03:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 22:03:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-07-22 22:03:58,125 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-07-22 22:03:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-07-22 22:03:58,126 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-07-22 22:03:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-07-22 22:03:58,127 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-07-22 22:03:58,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 22:03:58,127 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-07-22 22:03:58,127 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-07-22 22:03:58,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-07-22 22:03:58,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-07-22 22:03:58,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 22:03:58,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 22:03:58,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 22:03:58,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 22:03:58,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 22:03:58,129 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-07-22 22:03:58,129 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-07-22 22:03:58,129 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-07-22 22:03:58,129 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-07-22 22:03:58,130 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-22 22:03:58,130 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-22 22:03:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 22:03:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_clear [2022-07-22 22:03:58,132 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_clear [2022-07-22 22:03:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 22:03:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 22:03:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-07-22 22:03:58,132 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-07-22 22:03:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-07-22 22:03:58,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-07-22 22:03:58,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 22:03:58,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 22:03:58,442 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 22:03:58,443 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 22:03:59,010 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 22:03:59,023 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 22:03:59,024 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 22:03:59,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:03:59 BoogieIcfgContainer [2022-07-22 22:03:59,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 22:03:59,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 22:03:59,029 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 22:03:59,032 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 22:03:59,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 10:03:56" (1/3) ... [2022-07-22 22:03:59,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24c0e707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:03:59, skipping insertion in model container [2022-07-22 22:03:59,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:03:57" (2/3) ... [2022-07-22 22:03:59,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24c0e707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:03:59, skipping insertion in model container [2022-07-22 22:03:59,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:03:59" (3/3) ... [2022-07-22 22:03:59,035 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_clear_harness.i [2022-07-22 22:03:59,051 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 22:03:59,051 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 22:03:59,117 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 22:03:59,122 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=LoopsAndPotentialCycles, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@22d0f92e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6d285d60 [2022-07-22 22:03:59,123 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 22:03:59,127 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 63 states have (on average 1.1904761904761905) internal successors, (75), 64 states have internal predecessors, (75), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2022-07-22 22:03:59,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-07-22 22:03:59,136 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:03:59,137 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-07-22 22:03:59,138 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:03:59,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:03:59,142 INFO L85 PathProgramCache]: Analyzing trace with hash 118758327, now seen corresponding path program 1 times [2022-07-22 22:03:59,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:03:59,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660313834] [2022-07-22 22:03:59,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:03:59,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:03:59,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:03:59,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:03:59,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:03:59,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 22:03:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:03:59,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 22:03:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:03:59,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 22:03:59,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:03:59,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 22:03:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:03:59,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-22 22:03:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:03:59,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-22 22:03:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:03:59,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-22 22:03:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:03:59,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-22 22:03:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:03:59,777 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-07-22 22:03:59,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:03:59,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660313834] [2022-07-22 22:03:59,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660313834] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:03:59,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:03:59,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 22:03:59,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304943097] [2022-07-22 22:03:59,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:03:59,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 22:03:59,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:03:59,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 22:03:59,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 22:03:59,818 INFO L87 Difference]: Start difference. First operand has 101 states, 63 states have (on average 1.1904761904761905) internal successors, (75), 64 states have internal predecessors, (75), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-22 22:04:00,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:04:00,137 INFO L93 Difference]: Finished difference Result 205 states and 276 transitions. [2022-07-22 22:04:00,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 22:04:00,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 60 [2022-07-22 22:04:00,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:04:00,155 INFO L225 Difference]: With dead ends: 205 [2022-07-22 22:04:00,156 INFO L226 Difference]: Without dead ends: 106 [2022-07-22 22:04:00,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 22:04:00,171 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 24 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 22:04:00,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 146 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 22:04:00,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-07-22 22:04:00,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 96. [2022-07-22 22:04:00,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 59 states have (on average 1.1694915254237288) internal successors, (69), 60 states have internal predecessors, (69), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-07-22 22:04:00,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 118 transitions. [2022-07-22 22:04:00,225 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 118 transitions. Word has length 60 [2022-07-22 22:04:00,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:04:00,226 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 118 transitions. [2022-07-22 22:04:00,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-22 22:04:00,227 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 118 transitions. [2022-07-22 22:04:00,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-07-22 22:04:00,233 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:04:00,233 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-07-22 22:04:00,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 22:04:00,234 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:04:00,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:04:00,235 INFO L85 PathProgramCache]: Analyzing trace with hash 519821299, now seen corresponding path program 1 times [2022-07-22 22:04:00,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:04:00,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554753662] [2022-07-22 22:04:00,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:04:00,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:04:00,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:04:00,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:04:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:04:00,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 22:04:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:04:00,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 22:04:00,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:04:00,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 22:04:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:04:00,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 22:04:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:04:00,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-22 22:04:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:04:00,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-22 22:04:00,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:04:00,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-22 22:04:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:04:00,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-22 22:04:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:04:00,628 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-22 22:04:00,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:04:00,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554753662] [2022-07-22 22:04:00,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554753662] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 22:04:00,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945720235] [2022-07-22 22:04:00,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:04:00,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:04:00,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:04:00,635 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) [2022-07-22 22:04:00,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 22:04:01,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:04:01,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 2015 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 22:04:01,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:04:01,189 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-22 22:04:01,189 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 22:04:01,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945720235] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:04:01,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 22:04:01,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2022-07-22 22:04:01,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669894767] [2022-07-22 22:04:01,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:04:01,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 22:04:01,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:04:01,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 22:04:01,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-07-22 22:04:01,193 INFO L87 Difference]: Start difference. First operand 96 states and 118 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-22 22:04:01,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:04:01,408 INFO L93 Difference]: Finished difference Result 160 states and 199 transitions. [2022-07-22 22:04:01,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 22:04:01,409 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 60 [2022-07-22 22:04:01,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:04:01,413 INFO L225 Difference]: With dead ends: 160 [2022-07-22 22:04:01,413 INFO L226 Difference]: Without dead ends: 98 [2022-07-22 22:04:01,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-07-22 22:04:01,418 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 123 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 22:04:01,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 292 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 22:04:01,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-07-22 22:04:01,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2022-07-22 22:04:01,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 60 states have (on average 1.1666666666666667) internal successors, (70), 62 states have internal predecessors, (70), 25 states have call successors, (25), 11 states have call predecessors, (25), 12 states have return successors, (26), 24 states have call predecessors, (26), 24 states have call successors, (26) [2022-07-22 22:04:01,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 121 transitions. [2022-07-22 22:04:01,440 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 121 transitions. Word has length 60 [2022-07-22 22:04:01,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:04:01,441 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 121 transitions. [2022-07-22 22:04:01,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-22 22:04:01,441 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 121 transitions. [2022-07-22 22:04:01,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-07-22 22:04:01,442 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:04:01,443 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-07-22 22:04:01,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-22 22:04:01,643 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 [2022-07-22 22:04:01,644 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:04:01,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:04:01,644 INFO L85 PathProgramCache]: Analyzing trace with hash 682812913, now seen corresponding path program 1 times [2022-07-22 22:04:01,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:04:01,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336221504] [2022-07-22 22:04:01,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:04:01,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:04:01,742 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 22:04:01,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [440915424] [2022-07-22 22:04:01,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:04:01,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:04:01,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:04:01,744 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) [2022-07-22 22:04:01,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-22 22:04:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:04:02,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 2151 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 22:04:02,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:04:02,177 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-07-22 22:04:02,177 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 22:04:02,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:04:02,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336221504] [2022-07-22 22:04:02,179 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-22 22:04:02,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440915424] [2022-07-22 22:04:02,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440915424] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:04:02,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:04:02,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 22:04:02,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318045839] [2022-07-22 22:04:02,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:04:02,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 22:04:02,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:04:02,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 22:04:02,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 22:04:02,183 INFO L87 Difference]: Start difference. First operand 98 states and 121 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-22 22:04:02,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:04:02,218 INFO L93 Difference]: Finished difference Result 167 states and 212 transitions. [2022-07-22 22:04:02,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 22:04:02,219 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (13), 2 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 75 [2022-07-22 22:04:02,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:04:02,221 INFO L225 Difference]: With dead ends: 167 [2022-07-22 22:04:02,221 INFO L226 Difference]: Without dead ends: 103 [2022-07-22 22:04:02,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 22:04:02,222 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 10 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 22:04:02,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 341 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 22:04:02,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-07-22 22:04:02,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 100. [2022-07-22 22:04:02,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 62 states have (on average 1.1612903225806452) internal successors, (72), 64 states have internal predecessors, (72), 25 states have call successors, (25), 11 states have call predecessors, (25), 12 states have return successors, (26), 24 states have call predecessors, (26), 24 states have call successors, (26) [2022-07-22 22:04:02,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 123 transitions. [2022-07-22 22:04:02,233 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 123 transitions. Word has length 75 [2022-07-22 22:04:02,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:04:02,233 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 123 transitions. [2022-07-22 22:04:02,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-22 22:04:02,234 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 123 transitions. [2022-07-22 22:04:02,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-07-22 22:04:02,235 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:04:02,235 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-07-22 22:04:02,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-22 22:04:02,459 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 [2022-07-22 22:04:02,460 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:04:02,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:04:02,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1526818415, now seen corresponding path program 1 times [2022-07-22 22:04:02,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:04:02,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74343438] [2022-07-22 22:04:02,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:04:02,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:04:02,516 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 22:04:02,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [35391942] [2022-07-22 22:04:02,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:04:02,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:04:02,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:04:02,519 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) [2022-07-22 22:04:02,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-22 22:04:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:04:02,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 2156 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 22:04:02,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:04:02,959 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-07-22 22:04:02,959 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 22:04:02,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:04:02,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74343438] [2022-07-22 22:04:02,960 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-22 22:04:02,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35391942] [2022-07-22 22:04:02,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35391942] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:04:02,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:04:02,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 22:04:02,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440283889] [2022-07-22 22:04:02,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:04:02,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 22:04:02,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:04:02,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 22:04:02,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-22 22:04:02,963 INFO L87 Difference]: Start difference. First operand 100 states and 123 transitions. Second operand has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 4 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2022-07-22 22:04:03,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:04:03,213 INFO L93 Difference]: Finished difference Result 161 states and 196 transitions. [2022-07-22 22:04:03,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 22:04:03,213 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 4 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) Word has length 75 [2022-07-22 22:04:03,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:04:03,216 INFO L225 Difference]: With dead ends: 161 [2022-07-22 22:04:03,216 INFO L226 Difference]: Without dead ends: 98 [2022-07-22 22:04:03,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-07-22 22:04:03,219 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 128 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 22:04:03,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 406 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 22:04:03,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-07-22 22:04:03,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2022-07-22 22:04:03,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 61 states have (on average 1.1475409836065573) internal successors, (70), 62 states have internal predecessors, (70), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-07-22 22:04:03,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 119 transitions. [2022-07-22 22:04:03,246 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 119 transitions. Word has length 75 [2022-07-22 22:04:03,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:04:03,247 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 119 transitions. [2022-07-22 22:04:03,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 4 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2022-07-22 22:04:03,248 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 119 transitions. [2022-07-22 22:04:03,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-07-22 22:04:03,253 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:04:03,253 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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] [2022-07-22 22:04:03,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-22 22:04:03,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:04:03,472 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:04:03,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:04:03,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1686649477, now seen corresponding path program 1 times [2022-07-22 22:04:03,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:04:03,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435892894] [2022-07-22 22:04:03,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:04:03,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:04:03,546 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 22:04:03,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [971478754] [2022-07-22 22:04:03,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:04:03,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:04:03,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:04:03,555 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) [2022-07-22 22:04:03,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-22 22:04:03,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:04:04,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 2438 conjuncts, 71 conjunts are in the unsatisfiable core [2022-07-22 22:04:04,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:04:04,473 WARN L855 $PredicateComparison]: unable to prove that (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int)) (and (exists ((v_ArrVal_311 (Array Int Int))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| v_ArrVal_311))) (exists ((v_ArrVal_312 (Array Int Int))) (= (store |c_old(#memory_$Pointer$.offset)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| v_ArrVal_312) |c_#memory_$Pointer$.offset|)))) is different from true [2022-07-22 22:04:04,825 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-07-22 22:04:04,826 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-07-22 22:04:04,840 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-07-22 22:04:04,840 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-07-22 22:04:04,849 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3 [2022-07-22 22:04:04,852 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3 [2022-07-22 22:04:04,924 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-07-22 22:04:04,929 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-07-22 22:04:04,953 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-07-22 22:04:04,953 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 22:04:04,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:04:04,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435892894] [2022-07-22 22:04:04,954 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-22 22:04:04,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [971478754] [2022-07-22 22:04:04,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [971478754] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:04:04,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:04:04,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-07-22 22:04:04,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258247611] [2022-07-22 22:04:04,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:04:04,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-07-22 22:04:04,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:04:04,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-07-22 22:04:04,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=244, Unknown=21, NotChecked=32, Total=342 [2022-07-22 22:04:04,956 INFO L87 Difference]: Start difference. First operand 98 states and 119 transitions. Second operand has 19 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 18 states have internal predecessors, (65), 8 states have call successors, (17), 5 states have call predecessors, (17), 6 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) [2022-07-22 22:04:06,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:04:06,012 INFO L93 Difference]: Finished difference Result 223 states and 302 transitions. [2022-07-22 22:04:06,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-22 22:04:06,020 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 18 states have internal predecessors, (65), 8 states have call successors, (17), 5 states have call predecessors, (17), 6 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) Word has length 105 [2022-07-22 22:04:06,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:04:06,022 INFO L225 Difference]: With dead ends: 223 [2022-07-22 22:04:06,022 INFO L226 Difference]: Without dead ends: 171 [2022-07-22 22:04:06,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 85 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=105, Invalid=569, Unknown=32, NotChecked=50, Total=756 [2022-07-22 22:04:06,024 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 97 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 954 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 1709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 704 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-22 22:04:06,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 641 Invalid, 1709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 954 Invalid, 0 Unknown, 704 Unchecked, 0.8s Time] [2022-07-22 22:04:06,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-07-22 22:04:06,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 143. [2022-07-22 22:04:06,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 90 states have (on average 1.1444444444444444) internal successors, (103), 94 states have internal predecessors, (103), 34 states have call successors, (34), 13 states have call predecessors, (34), 18 states have return successors, (57), 35 states have call predecessors, (57), 33 states have call successors, (57) [2022-07-22 22:04:06,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 194 transitions. [2022-07-22 22:04:06,041 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 194 transitions. Word has length 105 [2022-07-22 22:04:06,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:04:06,042 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 194 transitions. [2022-07-22 22:04:06,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 18 states have internal predecessors, (65), 8 states have call successors, (17), 5 states have call predecessors, (17), 6 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) [2022-07-22 22:04:06,042 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 194 transitions. [2022-07-22 22:04:06,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-22 22:04:06,044 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:04:06,044 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-22 22:04:06,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-22 22:04:06,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:04:06,260 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:04:06,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:04:06,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1342737543, now seen corresponding path program 1 times [2022-07-22 22:04:06,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:04:06,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121802725] [2022-07-22 22:04:06,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:04:06,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:04:06,352 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 22:04:06,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2036569251] [2022-07-22 22:04:06,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:04:06,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:04:06,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:04:06,369 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 22:04:06,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-22 22:04:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:04:06,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 2433 conjuncts, 31 conjunts are in the unsatisfiable core [2022-07-22 22:04:06,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:04:06,879 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-22 22:04:06,879 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 22:04:07,427 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 19 proven. 13 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-07-22 22:04:07,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:04:07,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121802725] [2022-07-22 22:04:07,428 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-22 22:04:07,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036569251] [2022-07-22 22:04:07,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036569251] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 22:04:07,428 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-22 22:04:07,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 21 [2022-07-22 22:04:07,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120267611] [2022-07-22 22:04:07,428 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-22 22:04:07,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-07-22 22:04:07,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:04:07,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-07-22 22:04:07,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=375, Unknown=0, NotChecked=0, Total=420 [2022-07-22 22:04:07,430 INFO L87 Difference]: Start difference. First operand 143 states and 194 transitions. Second operand has 21 states, 18 states have (on average 4.722222222222222) internal successors, (85), 14 states have internal predecessors, (85), 5 states have call successors, (20), 3 states have call predecessors, (20), 7 states have return successors, (21), 8 states have call predecessors, (21), 4 states have call successors, (21) [2022-07-22 22:04:07,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:04:07,661 INFO L93 Difference]: Finished difference Result 226 states and 302 transitions. [2022-07-22 22:04:07,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 22:04:07,662 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 4.722222222222222) internal successors, (85), 14 states have internal predecessors, (85), 5 states have call successors, (20), 3 states have call predecessors, (20), 7 states have return successors, (21), 8 states have call predecessors, (21), 4 states have call successors, (21) Word has length 117 [2022-07-22 22:04:07,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:04:07,663 INFO L225 Difference]: With dead ends: 226 [2022-07-22 22:04:07,663 INFO L226 Difference]: Without dead ends: 135 [2022-07-22 22:04:07,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 212 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=535, Unknown=0, NotChecked=0, Total=600 [2022-07-22 22:04:07,665 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 21 mSDsluCounter, 1501 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1622 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 22:04:07,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 1622 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 22:04:07,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2022-07-22 22:04:07,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2022-07-22 22:04:07,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 86 states have (on average 1.1395348837209303) internal successors, (98), 90 states have internal predecessors, (98), 31 states have call successors, (31), 13 states have call predecessors, (31), 17 states have return successors, (46), 31 states have call predecessors, (46), 30 states have call successors, (46) [2022-07-22 22:04:07,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 175 transitions. [2022-07-22 22:04:07,677 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 175 transitions. Word has length 117 [2022-07-22 22:04:07,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:04:07,678 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 175 transitions. [2022-07-22 22:04:07,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 4.722222222222222) internal successors, (85), 14 states have internal predecessors, (85), 5 states have call successors, (20), 3 states have call predecessors, (20), 7 states have return successors, (21), 8 states have call predecessors, (21), 4 states have call successors, (21) [2022-07-22 22:04:07,678 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 175 transitions. [2022-07-22 22:04:07,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-07-22 22:04:07,680 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:04:07,680 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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] [2022-07-22 22:04:07,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-22 22:04:07,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:04:07,902 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:04:07,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:04:07,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1827198087, now seen corresponding path program 1 times [2022-07-22 22:04:07,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:04:07,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822829589] [2022-07-22 22:04:07,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:04:07,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:04:07,964 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 22:04:07,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [997524964] [2022-07-22 22:04:07,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:04:07,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:04:07,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:04:07,966 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 22:04:07,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-22 22:04:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:04:08,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 2425 conjuncts, 248 conjunts are in the unsatisfiable core [2022-07-22 22:04:08,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:04:08,537 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 22:04:08,675 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-07-22 22:04:08,681 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-07-22 22:04:09,020 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2022-07-22 22:04:09,234 INFO L356 Elim1Store]: treesize reduction 53, result has 32.9 percent of original size [2022-07-22 22:04:09,234 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 53 [2022-07-22 22:04:09,280 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-07-22 22:04:09,280 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-07-22 22:04:19,740 INFO L356 Elim1Store]: treesize reduction 276, result has 36.0 percent of original size [2022-07-22 22:04:19,741 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 26 case distinctions, treesize of input 169 treesize of output 336 [2022-07-22 22:04:19,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:04:19,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:04:19,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:04:19,754 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 336 treesize of output 359 [2022-07-22 22:04:28,928 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:04:29,122 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-07-22 22:04:29,123 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 38 [2022-07-22 22:04:29,131 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:04:29,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 22:04:29,157 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 38 [2022-07-22 22:04:29,165 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:04:29,293 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-07-22 22:04:29,294 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 38 [2022-07-22 22:04:29,301 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:04:29,467 INFO L356 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-07-22 22:04:29,468 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 303 treesize of output 274 [2022-07-22 22:04:29,728 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 13 [2022-07-22 22:04:29,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:04:29,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:04:29,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:04:29,786 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 33 [2022-07-22 22:04:29,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:04:29,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:04:29,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:04:29,874 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 33 [2022-07-22 22:04:29,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:04:29,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:04:29,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:04:29,925 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 33 [2022-07-22 22:04:29,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:04:30,004 INFO L356 Elim1Store]: treesize reduction 25, result has 16.7 percent of original size [2022-07-22 22:04:30,005 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 86 treesize of output 64 [2022-07-22 22:04:30,014 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:04:30,051 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:04:30,120 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 22:04:30,122 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 38 [2022-07-22 22:04:30,132 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:04:30,387 INFO L356 Elim1Store]: treesize reduction 37, result has 11.9 percent of original size [2022-07-22 22:04:30,388 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 86 treesize of output 64 [2022-07-22 22:04:30,396 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:04:30,793 INFO L356 Elim1Store]: treesize reduction 37, result has 11.9 percent of original size [2022-07-22 22:04:30,793 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 86 treesize of output 64 [2022-07-22 22:04:30,802 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:04:31,261 INFO L356 Elim1Store]: treesize reduction 37, result has 11.9 percent of original size [2022-07-22 22:04:31,262 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 86 treesize of output 64 [2022-07-22 22:04:31,278 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:04:31,321 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 22:04:31,324 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 38 [2022-07-22 22:04:31,340 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:04:36,135 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:04:36,791 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:04:37,078 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-22 22:04:37,096 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:04:37,237 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:04:42,981 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:04:43,501 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:04:44,612 INFO L356 Elim1Store]: treesize reduction 93, result has 26.8 percent of original size [2022-07-22 22:04:44,613 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 318 treesize of output 367 [2022-07-22 22:04:44,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:04:44,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:04:44,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:04:44,790 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-07-22 22:04:45,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:04:45,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:04:45,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:04:45,029 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-07-22 22:04:45,421 INFO L356 Elim1Store]: treesize reduction 82, result has 19.6 percent of original size [2022-07-22 22:04:45,423 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 122 treesize of output 159 [2022-07-22 22:04:45,512 INFO L356 Elim1Store]: treesize reduction 43, result has 2.3 percent of original size [2022-07-22 22:04:45,513 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 115 treesize of output 16 [2022-07-22 22:04:45,584 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 3 [2022-07-22 22:04:45,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:04:45,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:04:45,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:04:45,658 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-07-22 22:04:45,692 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-07-22 22:04:45,693 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 44 treesize of output 7 [2022-07-22 22:04:45,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:04:45,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:04:45,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:04:45,794 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-07-22 22:04:49,090 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:04:55,338 INFO L356 Elim1Store]: treesize reduction 305, result has 22.4 percent of original size [2022-07-22 22:04:55,339 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 206 treesize of output 304 [2022-07-22 22:05:07,927 INFO L356 Elim1Store]: treesize reduction 162, result has 0.6 percent of original size [2022-07-22 22:05:07,927 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 85 treesize of output 16 [2022-07-22 22:05:08,509 INFO L356 Elim1Store]: treesize reduction 234, result has 6.8 percent of original size [2022-07-22 22:05:08,509 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 90 treesize of output 35 [2022-07-22 22:05:08,894 INFO L356 Elim1Store]: treesize reduction 136, result has 0.7 percent of original size [2022-07-22 22:05:08,894 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 85 treesize of output 16 [2022-07-22 22:05:09,280 INFO L356 Elim1Store]: treesize reduction 136, result has 0.7 percent of original size [2022-07-22 22:05:09,280 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 85 treesize of output 16 [2022-07-22 22:05:09,462 INFO L356 Elim1Store]: treesize reduction 44, result has 18.5 percent of original size [2022-07-22 22:05:09,463 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 44 treesize of output 16 [2022-07-22 22:05:09,585 INFO L356 Elim1Store]: treesize reduction 29, result has 14.7 percent of original size [2022-07-22 22:05:09,586 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 9 [2022-07-22 22:05:09,854 INFO L356 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2022-07-22 22:05:09,854 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 16 [2022-07-22 22:05:10,002 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-07-22 22:05:10,003 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 9 [2022-07-22 22:05:10,214 INFO L356 Elim1Store]: treesize reduction 44, result has 18.5 percent of original size [2022-07-22 22:05:10,215 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 16 [2022-07-22 22:05:10,371 INFO L356 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2022-07-22 22:05:10,371 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 16 [2022-07-22 22:05:10,915 INFO L356 Elim1Store]: treesize reduction 305, result has 22.4 percent of original size [2022-07-22 22:05:10,916 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 192 treesize of output 290 [2022-07-22 22:05:23,488 INFO L356 Elim1Store]: treesize reduction 249, result has 9.1 percent of original size [2022-07-22 22:05:23,489 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 15 case distinctions, treesize of input 92 treesize of output 53 [2022-07-22 22:05:31,135 INFO L356 Elim1Store]: treesize reduction 62, result has 13.9 percent of original size [2022-07-22 22:05:31,135 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 16 [2022-07-22 22:05:32,128 INFO L356 Elim1Store]: treesize reduction 632, result has 24.5 percent of original size [2022-07-22 22:05:32,129 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 24 case distinctions, treesize of input 360 treesize of output 571 [2022-07-22 22:05:44,410 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:05:50,029 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:05:54,186 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:06:00,464 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:06:03,713 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:06:09,209 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:06:13,613 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:06:27,518 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:06:27,752 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:06:28,275 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:06:28,825 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:06:29,499 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:06:30,032 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:06:30,415 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-22 22:07:45,917 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:07:47,037 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:07:48,826 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:07:51,264 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-22 22:07:51,655 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-22 22:07:52,704 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-22 22:07:53,562 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-22 22:07:54,157 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-22 22:07:54,220 WARN L234 Elim1Store]: Array PQE input equivalent to false