./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_swap_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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_hash_table_swap_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.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 50333b6a17e96dff6400d2c6a85c0145ae494daf76266f6b6d6936a12a6b2527 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 22:12:25,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 22:12:25,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 22:12:25,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 22:12:25,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 22:12:25,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 22:12:25,623 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 22:12:25,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 22:12:25,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 22:12:25,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 22:12:25,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 22:12:25,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 22:12:25,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 22:12:25,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 22:12:25,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 22:12:25,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 22:12:25,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 22:12:25,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 22:12:25,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 22:12:25,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 22:12:25,637 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 22:12:25,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 22:12:25,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 22:12:25,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 22:12:25,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 22:12:25,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 22:12:25,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 22:12:25,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 22:12:25,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 22:12:25,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 22:12:25,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 22:12:25,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 22:12:25,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 22:12:25,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 22:12:25,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 22:12:25,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 22:12:25,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 22:12:25,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 22:12:25,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 22:12:25,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 22:12:25,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 22:12:25,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 22:12:25,659 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 22:12:25,689 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 22:12:25,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 22:12:25,691 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 22:12:25,691 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 22:12:25,692 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 22:12:25,692 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 22:12:25,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 22:12:25,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 22:12:25,693 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 22:12:25,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 22:12:25,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 22:12:25,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 22:12:25,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 22:12:25,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 22:12:25,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 22:12:25,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 22:12:25,695 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 22:12:25,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 22:12:25,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 22:12:25,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 22:12:25,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 22:12:25,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 22:12:25,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 22:12:25,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 22:12:25,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 22:12:25,698 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 22:12:25,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 22:12:25,699 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 22:12:25,699 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 22:12:25,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 22:12:25,699 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50333b6a17e96dff6400d2c6a85c0145ae494daf76266f6b6d6936a12a6b2527 [2022-07-19 22:12:25,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 22:12:25,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 22:12:25,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 22:12:25,992 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 22:12:25,993 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 22:12:25,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_swap_harness.i [2022-07-19 22:12:26,060 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/773f0bc58/4f365a9e48e04f739752c0a14f1b171d/FLAGf8fccb440 [2022-07-19 22:12:26,719 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 22:12:26,720 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_swap_harness.i [2022-07-19 22:12:26,766 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/773f0bc58/4f365a9e48e04f739752c0a14f1b171d/FLAGf8fccb440 [2022-07-19 22:12:26,828 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/773f0bc58/4f365a9e48e04f739752c0a14f1b171d [2022-07-19 22:12:26,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 22:12:26,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 22:12:26,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 22:12:26,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 22:12:26,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 22:12:26,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:12:26" (1/1) ... [2022-07-19 22:12:26,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ff47eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:12:26, skipping insertion in model container [2022-07-19 22:12:26,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:12:26" (1/1) ... [2022-07-19 22:12:26,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 22:12:26,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 22:12:27,158 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_hash_table_swap_harness.i[4493,4506] [2022-07-19 22:12:27,164 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_hash_table_swap_harness.i[4553,4566] [2022-07-19 22:12:27,856 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:27,857 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:27,857 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:27,858 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:27,859 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:27,875 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:27,876 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:27,877 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:27,878 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:27,879 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:27,880 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:27,880 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:27,881 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,123 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-19 22:12:28,124 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-19 22:12:28,125 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-19 22:12:28,126 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-19 22:12:28,127 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-19 22:12:28,128 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-19 22:12:28,129 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-19 22:12:28,129 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-19 22:12:28,130 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-19 22:12:28,130 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-19 22:12:28,246 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-19 22:12:28,493 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,493 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,516 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,518 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,524 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,524 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,544 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,545 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,546 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,547 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,547 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,547 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,547 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 22:12:28,626 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 22:12:28,647 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_hash_table_swap_harness.i[4493,4506] [2022-07-19 22:12:28,648 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_hash_table_swap_harness.i[4553,4566] [2022-07-19 22:12:28,687 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,687 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,688 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,688 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,689 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,736 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,737 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,737 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,737 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,738 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,738 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,739 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,739 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,763 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-19 22:12:28,764 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-19 22:12:28,765 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-19 22:12:28,765 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-19 22:12:28,766 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-19 22:12:28,766 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-19 22:12:28,767 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-19 22:12:28,767 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-19 22:12:28,767 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-19 22:12:28,768 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-19 22:12:28,792 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-19 22:12:28,880 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,880 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,886 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,889 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,891 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,892 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,903 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,904 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,905 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,905 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,905 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,906 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,906 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:12:28,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 22:12:29,173 INFO L208 MainTranslator]: Completed translation [2022-07-19 22:12:29,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:12:29 WrapperNode [2022-07-19 22:12:29,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 22:12:29,175 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 22:12:29,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 22:12:29,176 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 22:12:29,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:12:29" (1/1) ... [2022-07-19 22:12:29,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:12:29" (1/1) ... [2022-07-19 22:12:29,360 INFO L137 Inliner]: procedures = 774, calls = 2441, calls flagged for inlining = 66, calls inlined = 9, statements flattened = 599 [2022-07-19 22:12:29,361 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 22:12:29,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 22:12:29,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 22:12:29,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 22:12:29,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:12:29" (1/1) ... [2022-07-19 22:12:29,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:12:29" (1/1) ... [2022-07-19 22:12:29,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:12:29" (1/1) ... [2022-07-19 22:12:29,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:12:29" (1/1) ... [2022-07-19 22:12:29,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:12:29" (1/1) ... [2022-07-19 22:12:29,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:12:29" (1/1) ... [2022-07-19 22:12:29,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:12:29" (1/1) ... [2022-07-19 22:12:29,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 22:12:29,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 22:12:29,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 22:12:29,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 22:12:29,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:12:29" (1/1) ... [2022-07-19 22:12:29,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 22:12:29,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 22:12:29,488 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) [2022-07-19 22:12:29,516 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 [2022-07-19 22:12:29,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-07-19 22:12:29,537 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_hash_table [2022-07-19 22:12:29,537 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_hash_table [2022-07-19 22:12:29,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-19 22:12:29,538 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-07-19 22:12:29,538 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-07-19 22:12:29,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-07-19 22:12:29,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-07-19 22:12:29,538 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2022-07-19 22:12:29,538 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2022-07-19 22:12:29,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 22:12:29,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 22:12:29,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 22:12:29,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 22:12:29,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 22:12:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-07-19 22:12:29,540 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-07-19 22:12:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-07-19 22:12:29,540 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-07-19 22:12:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 22:12:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-07-19 22:12:29,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-07-19 22:12:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 22:12:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-07-19 22:12:29,541 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-07-19 22:12:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-19 22:12:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2022-07-19 22:12:29,541 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2022-07-19 22:12:29,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 22:12:29,542 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2022-07-19 22:12:29,542 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2022-07-19 22:12:29,542 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-19 22:12:29,542 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-19 22:12:29,543 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2022-07-19 22:12:29,543 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2022-07-19 22:12:29,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 22:12:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_allocated_hash_table [2022-07-19 22:12:29,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_allocated_hash_table [2022-07-19 22:12:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-07-19 22:12:29,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-07-19 22:12:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-07-19 22:12:29,545 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-07-19 22:12:29,545 INFO L130 BoogieDeclarations]: Found specification of procedure check_hash_table_unchanged [2022-07-19 22:12:29,547 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hash_table_unchanged [2022-07-19 22:12:29,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 22:12:29,873 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 22:12:29,875 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 22:12:30,609 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 22:12:30,620 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 22:12:30,620 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 22:12:30,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:12:30 BoogieIcfgContainer [2022-07-19 22:12:30,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 22:12:30,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 22:12:30,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 22:12:30,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 22:12:30,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:12:26" (1/3) ... [2022-07-19 22:12:30,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30a07916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:12:30, skipping insertion in model container [2022-07-19 22:12:30,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:12:29" (2/3) ... [2022-07-19 22:12:30,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30a07916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:12:30, skipping insertion in model container [2022-07-19 22:12:30,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:12:30" (3/3) ... [2022-07-19 22:12:30,636 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_table_swap_harness.i [2022-07-19 22:12:30,648 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 22:12:30,649 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 22:12:30,732 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 22:12:30,741 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@6702a76f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@36c9972c [2022-07-19 22:12:30,741 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 22:12:30,745 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 83 states have (on average 1.180722891566265) internal successors, (98), 88 states have internal predecessors, (98), 35 states have call successors, (35), 16 states have call predecessors, (35), 16 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2022-07-19 22:12:30,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-19 22:12:30,754 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:12:30,754 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:12:30,755 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:12:30,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:12:30,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1925006632, now seen corresponding path program 1 times [2022-07-19 22:12:30,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:12:30,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160550019] [2022-07-19 22:12:30,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:12:30,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:12:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:31,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 22:12:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:31,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 22:12:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:31,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 22:12:31,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:12:31,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160550019] [2022-07-19 22:12:31,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160550019] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:12:31,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:12:31,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 22:12:31,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190324389] [2022-07-19 22:12:31,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:12:31,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 22:12:31,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:12:31,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 22:12:31,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 22:12:31,345 INFO L87 Difference]: Start difference. First operand has 136 states, 83 states have (on average 1.180722891566265) internal successors, (98), 88 states have internal predecessors, (98), 35 states have call successors, (35), 16 states have call predecessors, (35), 16 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 22:12:31,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:12:31,404 INFO L93 Difference]: Finished difference Result 268 states and 349 transitions. [2022-07-19 22:12:31,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 22:12:31,406 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2022-07-19 22:12:31,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:12:31,417 INFO L225 Difference]: With dead ends: 268 [2022-07-19 22:12:31,417 INFO L226 Difference]: Without dead ends: 131 [2022-07-19 22:12:31,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 22:12:31,432 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 22:12:31,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 22:12:31,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2022-07-19 22:12:31,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2022-07-19 22:12:31,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 79 states have (on average 1.1518987341772151) internal successors, (91), 83 states have internal predecessors, (91), 35 states have call successors, (35), 16 states have call predecessors, (35), 16 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2022-07-19 22:12:31,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 160 transitions. [2022-07-19 22:12:31,495 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 160 transitions. Word has length 25 [2022-07-19 22:12:31,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:12:31,496 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 160 transitions. [2022-07-19 22:12:31,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 22:12:31,496 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 160 transitions. [2022-07-19 22:12:31,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-19 22:12:31,500 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:12:31,500 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:12:31,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 22:12:31,501 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:12:31,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:12:31,501 INFO L85 PathProgramCache]: Analyzing trace with hash -69138074, now seen corresponding path program 1 times [2022-07-19 22:12:31,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:12:31,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058462795] [2022-07-19 22:12:31,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:12:31,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:12:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:31,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 22:12:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:31,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 22:12:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:31,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 22:12:31,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:12:31,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058462795] [2022-07-19 22:12:31,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058462795] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:12:31,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:12:31,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 22:12:31,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132603013] [2022-07-19 22:12:31,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:12:31,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 22:12:31,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:12:31,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 22:12:31,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 22:12:31,775 INFO L87 Difference]: Start difference. First operand 131 states and 160 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 22:12:31,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:12:31,823 INFO L93 Difference]: Finished difference Result 185 states and 229 transitions. [2022-07-19 22:12:31,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 22:12:31,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2022-07-19 22:12:31,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:12:31,829 INFO L225 Difference]: With dead ends: 185 [2022-07-19 22:12:31,829 INFO L226 Difference]: Without dead ends: 147 [2022-07-19 22:12:31,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 22:12:31,831 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 5 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 22:12:31,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 321 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 22:12:31,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2022-07-19 22:12:31,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 142. [2022-07-19 22:12:31,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 85 states have (on average 1.1529411764705881) internal successors, (98), 89 states have internal predecessors, (98), 40 states have call successors, (40), 16 states have call predecessors, (40), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2022-07-19 22:12:31,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 177 transitions. [2022-07-19 22:12:31,857 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 177 transitions. Word has length 25 [2022-07-19 22:12:31,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:12:31,857 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 177 transitions. [2022-07-19 22:12:31,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 22:12:31,858 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 177 transitions. [2022-07-19 22:12:31,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-19 22:12:31,864 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:12:31,864 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:12:31,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 22:12:31,865 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:12:31,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:12:31,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1141503883, now seen corresponding path program 1 times [2022-07-19 22:12:31,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:12:31,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357590453] [2022-07-19 22:12:31,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:12:31,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:12:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:32,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 22:12:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:32,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 22:12:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:32,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 22:12:32,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:12:32,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357590453] [2022-07-19 22:12:32,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357590453] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:12:32,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:12:32,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 22:12:32,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191038084] [2022-07-19 22:12:32,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:12:32,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 22:12:32,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:12:32,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 22:12:32,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 22:12:32,105 INFO L87 Difference]: Start difference. First operand 142 states and 177 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 22:12:32,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:12:32,137 INFO L93 Difference]: Finished difference Result 190 states and 234 transitions. [2022-07-19 22:12:32,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 22:12:32,138 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2022-07-19 22:12:32,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:12:32,141 INFO L225 Difference]: With dead ends: 190 [2022-07-19 22:12:32,141 INFO L226 Difference]: Without dead ends: 151 [2022-07-19 22:12:32,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 22:12:32,144 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 2 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 22:12:32,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 320 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 22:12:32,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-07-19 22:12:32,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2022-07-19 22:12:32,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 90 states have (on average 1.1333333333333333) internal successors, (102), 93 states have internal predecessors, (102), 44 states have call successors, (44), 16 states have call predecessors, (44), 16 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-07-19 22:12:32,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 188 transitions. [2022-07-19 22:12:32,174 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 188 transitions. Word has length 26 [2022-07-19 22:12:32,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:12:32,174 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 188 transitions. [2022-07-19 22:12:32,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 22:12:32,175 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 188 transitions. [2022-07-19 22:12:32,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-19 22:12:32,184 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:12:32,184 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:12:32,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 22:12:32,185 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:12:32,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:12:32,185 INFO L85 PathProgramCache]: Analyzing trace with hash -478144861, now seen corresponding path program 1 times [2022-07-19 22:12:32,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:12:32,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611072881] [2022-07-19 22:12:32,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:12:32,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:12:32,315 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-19 22:12:32,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1735610122] [2022-07-19 22:12:32,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:12:32,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 22:12:32,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 22:12:32,319 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) [2022-07-19 22:12:32,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 22:12:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:32,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 2474 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-19 22:12:32,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 22:12:32,934 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-07-19 22:12:32,934 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 22:12:32,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:12:32,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611072881] [2022-07-19 22:12:32,935 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-19 22:12:32,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735610122] [2022-07-19 22:12:32,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735610122] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:12:32,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:12:32,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 22:12:32,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327096981] [2022-07-19 22:12:32,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:12:32,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 22:12:32,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:12:32,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 22:12:32,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 22:12:32,938 INFO L87 Difference]: Start difference. First operand 151 states and 188 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-19 22:12:32,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:12:32,991 INFO L93 Difference]: Finished difference Result 301 states and 381 transitions. [2022-07-19 22:12:32,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 22:12:32,992 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 126 [2022-07-19 22:12:32,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:12:32,994 INFO L225 Difference]: With dead ends: 301 [2022-07-19 22:12:32,994 INFO L226 Difference]: Without dead ends: 156 [2022-07-19 22:12:32,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-19 22:12:32,997 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 2 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 22:12:32,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 623 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 22:12:33,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-07-19 22:12:33,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2022-07-19 22:12:33,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 94 states have (on average 1.127659574468085) internal successors, (106), 97 states have internal predecessors, (106), 44 states have call successors, (44), 16 states have call predecessors, (44), 17 states have return successors, (43), 43 states have call predecessors, (43), 42 states have call successors, (43) [2022-07-19 22:12:33,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 193 transitions. [2022-07-19 22:12:33,014 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 193 transitions. Word has length 126 [2022-07-19 22:12:33,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:12:33,015 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 193 transitions. [2022-07-19 22:12:33,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-19 22:12:33,016 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 193 transitions. [2022-07-19 22:12:33,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-07-19 22:12:33,018 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:12:33,018 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:12:33,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-19 22:12:33,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 22:12:33,244 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:12:33,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:12:33,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1837351329, now seen corresponding path program 1 times [2022-07-19 22:12:33,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:12:33,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180174461] [2022-07-19 22:12:33,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:12:33,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:12:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:33,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 22:12:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:33,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:33,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:12:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:33,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 22:12:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:33,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 22:12:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:33,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 22:12:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:33,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:33,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:33,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:12:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:33,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 22:12:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:33,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 22:12:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:33,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:33,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-19 22:12:33,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:33,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-19 22:12:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:33,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-19 22:12:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:33,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:33,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:33,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:33,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:12:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:33,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 22:12:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:33,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-19 22:12:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:33,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-19 22:12:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:33,927 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-19 22:12:33,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:12:33,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180174461] [2022-07-19 22:12:33,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180174461] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 22:12:33,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636548573] [2022-07-19 22:12:33,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:12:33,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 22:12:33,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 22:12:33,930 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) [2022-07-19 22:12:33,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-19 22:12:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:34,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 2482 conjuncts, 32 conjunts are in the unsatisfiable core [2022-07-19 22:12:34,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 22:12:34,529 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-07-19 22:12:34,764 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-07-19 22:12:34,764 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 22:12:34,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636548573] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:12:34,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 22:12:34,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [15] total 22 [2022-07-19 22:12:34,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038192582] [2022-07-19 22:12:34,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:12:34,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-19 22:12:34,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:12:34,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-19 22:12:34,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2022-07-19 22:12:34,767 INFO L87 Difference]: Start difference. First operand 156 states and 193 transitions. Second operand has 13 states, 12 states have (on average 6.5) internal successors, (78), 10 states have internal predecessors, (78), 5 states have call successors, (23), 3 states have call predecessors, (23), 5 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) [2022-07-19 22:12:34,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:12:34,955 INFO L93 Difference]: Finished difference Result 313 states and 384 transitions. [2022-07-19 22:12:34,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-19 22:12:34,960 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.5) internal successors, (78), 10 states have internal predecessors, (78), 5 states have call successors, (23), 3 states have call predecessors, (23), 5 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) Word has length 138 [2022-07-19 22:12:34,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:12:34,963 INFO L225 Difference]: With dead ends: 313 [2022-07-19 22:12:34,963 INFO L226 Difference]: Without dead ends: 170 [2022-07-19 22:12:34,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2022-07-19 22:12:34,964 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 25 mSDsluCounter, 886 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 1049 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 58 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 22:12:34,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 1049 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 58 Unchecked, 0.1s Time] [2022-07-19 22:12:34,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2022-07-19 22:12:34,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 165. [2022-07-19 22:12:34,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 102 states have (on average 1.1372549019607843) internal successors, (116), 105 states have internal predecessors, (116), 44 states have call successors, (44), 17 states have call predecessors, (44), 18 states have return successors, (44), 43 states have call predecessors, (44), 42 states have call successors, (44) [2022-07-19 22:12:34,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 204 transitions. [2022-07-19 22:12:34,975 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 204 transitions. Word has length 138 [2022-07-19 22:12:34,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:12:34,976 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 204 transitions. [2022-07-19 22:12:34,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.5) internal successors, (78), 10 states have internal predecessors, (78), 5 states have call successors, (23), 3 states have call predecessors, (23), 5 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) [2022-07-19 22:12:34,977 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 204 transitions. [2022-07-19 22:12:34,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-07-19 22:12:34,978 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:12:34,979 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:12:35,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-19 22:12:35,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 22:12:35,197 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:12:35,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:12:35,197 INFO L85 PathProgramCache]: Analyzing trace with hash -484295599, now seen corresponding path program 1 times [2022-07-19 22:12:35,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:12:35,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094084797] [2022-07-19 22:12:35,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:12:35,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:12:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:35,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-19 22:12:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:35,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:35,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:12:35,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:35,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 22:12:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:35,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 22:12:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:35,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 22:12:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:35,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:35,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:35,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:12:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:35,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 22:12:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:35,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 22:12:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:35,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:35,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-19 22:12:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:35,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-19 22:12:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:35,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 22:12:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:35,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:35,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:35,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:35,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:35,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:12:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:35,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 22:12:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:35,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-19 22:12:35,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:35,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-19 22:12:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:35,802 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-19 22:12:35,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:12:35,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094084797] [2022-07-19 22:12:35,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094084797] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 22:12:35,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898898794] [2022-07-19 22:12:35,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:12:35,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 22:12:35,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 22:12:35,805 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) [2022-07-19 22:12:35,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-19 22:12:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:36,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 2484 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-19 22:12:36,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 22:12:36,383 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-19 22:12:36,384 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 22:12:36,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898898794] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:12:36,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 22:12:36,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15] total 20 [2022-07-19 22:12:36,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623297372] [2022-07-19 22:12:36,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:12:36,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 22:12:36,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:12:36,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 22:12:36,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-07-19 22:12:36,386 INFO L87 Difference]: Start difference. First operand 165 states and 204 transitions. Second operand has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-19 22:12:36,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:12:36,482 INFO L93 Difference]: Finished difference Result 278 states and 340 transitions. [2022-07-19 22:12:36,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 22:12:36,483 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 139 [2022-07-19 22:12:36,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:12:36,485 INFO L225 Difference]: With dead ends: 278 [2022-07-19 22:12:36,485 INFO L226 Difference]: Without dead ends: 168 [2022-07-19 22:12:36,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2022-07-19 22:12:36,486 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 2 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 859 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 22:12:36,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 859 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 22:12:36,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-07-19 22:12:36,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2022-07-19 22:12:36,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 104 states have (on average 1.1346153846153846) internal successors, (118), 108 states have internal predecessors, (118), 44 states have call successors, (44), 17 states have call predecessors, (44), 19 states have return successors, (47), 43 states have call predecessors, (47), 42 states have call successors, (47) [2022-07-19 22:12:36,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 209 transitions. [2022-07-19 22:12:36,497 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 209 transitions. Word has length 139 [2022-07-19 22:12:36,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:12:36,497 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 209 transitions. [2022-07-19 22:12:36,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-19 22:12:36,498 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 209 transitions. [2022-07-19 22:12:36,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-07-19 22:12:36,501 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:12:36,501 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:12:36,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-19 22:12:36,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 22:12:36,715 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:12:36,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:12:36,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1344725155, now seen corresponding path program 1 times [2022-07-19 22:12:36,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:12:36,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064371490] [2022-07-19 22:12:36,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:12:36,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:12:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:36,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 22:12:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:36,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:36,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:36,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:12:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:36,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 22:12:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:36,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 22:12:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:36,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 22:12:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:36,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:36,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:36,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:12:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:36,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 22:12:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:36,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 22:12:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:36,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:36,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-19 22:12:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:37,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-19 22:12:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:37,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-19 22:12:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:37,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:37,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:37,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:37,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:37,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:12:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:37,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 22:12:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:37,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-19 22:12:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:37,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-19 22:12:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:37,136 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-19 22:12:37,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:12:37,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064371490] [2022-07-19 22:12:37,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064371490] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 22:12:37,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479012738] [2022-07-19 22:12:37,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:12:37,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 22:12:37,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 22:12:37,140 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) [2022-07-19 22:12:37,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-19 22:12:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:37,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 2477 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-19 22:12:37,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 22:12:37,702 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-07-19 22:12:37,702 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 22:12:37,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479012738] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:12:37,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 22:12:37,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2022-07-19 22:12:37,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609292102] [2022-07-19 22:12:37,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:12:37,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 22:12:37,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:12:37,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 22:12:37,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-07-19 22:12:37,705 INFO L87 Difference]: Start difference. First operand 168 states and 209 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-19 22:12:37,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:12:37,851 INFO L93 Difference]: Finished difference Result 321 states and 402 transitions. [2022-07-19 22:12:37,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 22:12:37,852 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 138 [2022-07-19 22:12:37,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:12:37,853 INFO L225 Difference]: With dead ends: 321 [2022-07-19 22:12:37,853 INFO L226 Difference]: Without dead ends: 173 [2022-07-19 22:12:37,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2022-07-19 22:12:37,855 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 169 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 22:12:37,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 387 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 22:12:37,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-07-19 22:12:37,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2022-07-19 22:12:37,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 107 states have (on average 1.1214953271028036) internal successors, (120), 112 states have internal predecessors, (120), 45 states have call successors, (45), 17 states have call predecessors, (45), 20 states have return successors, (53), 44 states have call predecessors, (53), 43 states have call successors, (53) [2022-07-19 22:12:37,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 218 transitions. [2022-07-19 22:12:37,866 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 218 transitions. Word has length 138 [2022-07-19 22:12:37,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:12:37,866 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 218 transitions. [2022-07-19 22:12:37,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-19 22:12:37,867 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 218 transitions. [2022-07-19 22:12:37,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-07-19 22:12:37,868 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:12:37,868 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:12:37,892 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-07-19 22:12:38,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 22:12:38,079 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:12:38,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:12:38,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1514885783, now seen corresponding path program 1 times [2022-07-19 22:12:38,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:12:38,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148146574] [2022-07-19 22:12:38,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:12:38,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:12:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:38,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 22:12:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:38,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:38,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:12:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:38,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 22:12:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:38,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 22:12:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:38,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 22:12:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:38,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:38,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:38,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:12:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:38,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 22:12:38,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:38,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 22:12:38,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:38,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:38,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-19 22:12:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:38,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-19 22:12:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:38,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-19 22:12:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:38,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-19 22:12:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:38,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:38,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:38,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:38,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:12:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:38,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 22:12:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:38,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-19 22:12:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:38,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-19 22:12:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:38,619 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-19 22:12:38,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:12:38,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148146574] [2022-07-19 22:12:38,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148146574] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 22:12:38,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158994999] [2022-07-19 22:12:38,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:12:38,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 22:12:38,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 22:12:38,622 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) [2022-07-19 22:12:38,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-19 22:12:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:39,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 2506 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-19 22:12:39,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 22:12:39,973 WARN L855 $PredicateComparison]: unable to prove that (or (exists ((aws_hash_table_is_valid_~map.base Int) (aws_hash_table_is_valid_~map.offset Int)) (not (= 0 (select (select |c_#memory_$Pointer$.offset| aws_hash_table_is_valid_~map.base) aws_hash_table_is_valid_~map.offset)))) (exists ((aws_hash_table_is_valid_~map.base Int) (aws_hash_table_is_valid_~map.offset Int)) (not (= (select (select |c_#memory_$Pointer$.base| aws_hash_table_is_valid_~map.base) aws_hash_table_is_valid_~map.offset) 0)))) is different from true [2022-07-19 22:12:45,984 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-07-19 22:12:45,984 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 22:12:45,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [158994999] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:12:45,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 22:12:45,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2022-07-19 22:12:45,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237394155] [2022-07-19 22:12:45,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:12:45,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 22:12:45,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:12:45,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 22:12:45,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=175, Unknown=3, NotChecked=26, Total=240 [2022-07-19 22:12:45,987 INFO L87 Difference]: Start difference. First operand 173 states and 218 transitions. Second operand has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-19 22:12:46,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:12:46,130 INFO L93 Difference]: Finished difference Result 338 states and 429 transitions. [2022-07-19 22:12:46,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 22:12:46,131 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 144 [2022-07-19 22:12:46,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:12:46,132 INFO L225 Difference]: With dead ends: 338 [2022-07-19 22:12:46,132 INFO L226 Difference]: Without dead ends: 175 [2022-07-19 22:12:46,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=51, Invalid=222, Unknown=3, NotChecked=30, Total=306 [2022-07-19 22:12:46,134 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 5 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 231 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 22:12:46,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 871 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 231 Unchecked, 0.1s Time] [2022-07-19 22:12:46,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2022-07-19 22:12:46,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2022-07-19 22:12:46,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 109 states have (on average 1.1192660550458715) internal successors, (122), 113 states have internal predecessors, (122), 45 states have call successors, (45), 18 states have call predecessors, (45), 20 states have return successors, (53), 44 states have call predecessors, (53), 43 states have call successors, (53) [2022-07-19 22:12:46,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 220 transitions. [2022-07-19 22:12:46,144 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 220 transitions. Word has length 144 [2022-07-19 22:12:46,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:12:46,145 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 220 transitions. [2022-07-19 22:12:46,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-19 22:12:46,145 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 220 transitions. [2022-07-19 22:12:46,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-07-19 22:12:46,147 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:12:46,147 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:12:46,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-19 22:12:46,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 22:12:46,364 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:12:46,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:12:46,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1222683155, now seen corresponding path program 1 times [2022-07-19 22:12:46,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:12:46,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942878515] [2022-07-19 22:12:46,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:12:46,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:12:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:46,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 22:12:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:48,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:48,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:12:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:48,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 22:12:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:48,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 22:12:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:48,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 22:12:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:48,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:48,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:48,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:12:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:48,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 22:12:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:48,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 22:12:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:49,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:49,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-19 22:12:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:49,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-19 22:12:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:49,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 22:12:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:49,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-19 22:12:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:49,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-19 22:12:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:50,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:50,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:50,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:50,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:12:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:50,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 22:12:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:50,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-19 22:12:50,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:50,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-19 22:12:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:50,956 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-07-19 22:12:50,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:12:50,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942878515] [2022-07-19 22:12:50,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942878515] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:12:50,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:12:50,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-07-19 22:12:50,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611850147] [2022-07-19 22:12:50,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:12:50,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-07-19 22:12:50,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:12:50,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-07-19 22:12:50,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=850, Unknown=0, NotChecked=0, Total=930 [2022-07-19 22:12:50,958 INFO L87 Difference]: Start difference. First operand 175 states and 220 transitions. Second operand has 31 states, 28 states have (on average 2.7857142857142856) internal successors, (78), 26 states have internal predecessors, (78), 15 states have call successors, (25), 5 states have call predecessors, (25), 8 states have return successors, (24), 13 states have call predecessors, (24), 14 states have call successors, (24) [2022-07-19 22:12:57,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:12:57,750 INFO L93 Difference]: Finished difference Result 268 states and 362 transitions. [2022-07-19 22:12:57,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-07-19 22:12:57,751 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 28 states have (on average 2.7857142857142856) internal successors, (78), 26 states have internal predecessors, (78), 15 states have call successors, (25), 5 states have call predecessors, (25), 8 states have return successors, (24), 13 states have call predecessors, (24), 14 states have call successors, (24) Word has length 149 [2022-07-19 22:12:57,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:12:57,753 INFO L225 Difference]: With dead ends: 268 [2022-07-19 22:12:57,753 INFO L226 Difference]: Without dead ends: 254 [2022-07-19 22:12:57,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 45 SyntacticMatches, 5 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 588 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=320, Invalid=2986, Unknown=0, NotChecked=0, Total=3306 [2022-07-19 22:12:57,755 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 268 mSDsluCounter, 1177 mSDsCounter, 0 mSdLazyCounter, 3432 mSolverCounterSat, 349 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 1309 SdHoareTripleChecker+Invalid, 3781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 349 IncrementalHoareTripleChecker+Valid, 3432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-07-19 22:12:57,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 1309 Invalid, 3781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [349 Valid, 3432 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-07-19 22:12:57,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2022-07-19 22:12:57,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 197. [2022-07-19 22:12:57,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 124 states have (on average 1.1290322580645162) internal successors, (140), 130 states have internal predecessors, (140), 49 states have call successors, (49), 18 states have call predecessors, (49), 23 states have return successors, (66), 49 states have call predecessors, (66), 47 states have call successors, (66) [2022-07-19 22:12:57,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 255 transitions. [2022-07-19 22:12:57,773 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 255 transitions. Word has length 149 [2022-07-19 22:12:57,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:12:57,774 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 255 transitions. [2022-07-19 22:12:57,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 28 states have (on average 2.7857142857142856) internal successors, (78), 26 states have internal predecessors, (78), 15 states have call successors, (25), 5 states have call predecessors, (25), 8 states have return successors, (24), 13 states have call predecessors, (24), 14 states have call successors, (24) [2022-07-19 22:12:57,775 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 255 transitions. [2022-07-19 22:12:57,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-07-19 22:12:57,776 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:12:57,777 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:12:57,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-19 22:12:57,777 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:12:57,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:12:57,777 INFO L85 PathProgramCache]: Analyzing trace with hash 829656145, now seen corresponding path program 1 times [2022-07-19 22:12:57,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:12:57,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558014441] [2022-07-19 22:12:57,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:12:57,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:12:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:57,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 22:12:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:57,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:57,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:12:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:57,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 22:12:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:57,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 22:12:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:58,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 22:12:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:58,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:58,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:58,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:12:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:58,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 22:12:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:58,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 22:12:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:58,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:58,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:58,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-19 22:12:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:58,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-19 22:12:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:58,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 22:12:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:58,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-19 22:12:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:58,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-19 22:12:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:58,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:58,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:58,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:58,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:58,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:12:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:58,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 22:12:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:58,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-19 22:12:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:58,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-19 22:12:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:58,234 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-07-19 22:12:58,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:12:58,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558014441] [2022-07-19 22:12:58,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558014441] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:12:58,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:12:58,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 22:12:58,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980948546] [2022-07-19 22:12:58,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:12:58,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 22:12:58,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:12:58,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 22:12:58,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-19 22:12:58,237 INFO L87 Difference]: Start difference. First operand 197 states and 255 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-19 22:12:58,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:12:58,662 INFO L93 Difference]: Finished difference Result 361 states and 459 transitions. [2022-07-19 22:12:58,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 22:12:58,663 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 149 [2022-07-19 22:12:58,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:12:58,664 INFO L225 Difference]: With dead ends: 361 [2022-07-19 22:12:58,664 INFO L226 Difference]: Without dead ends: 206 [2022-07-19 22:12:58,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-07-19 22:12:58,666 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 116 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-19 22:12:58,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 456 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-19 22:12:58,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-07-19 22:12:58,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 185. [2022-07-19 22:12:58,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 115 states have (on average 1.1130434782608696) internal successors, (128), 120 states have internal predecessors, (128), 48 states have call successors, (48), 17 states have call predecessors, (48), 21 states have return successors, (57), 48 states have call predecessors, (57), 46 states have call successors, (57) [2022-07-19 22:12:58,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 233 transitions. [2022-07-19 22:12:58,696 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 233 transitions. Word has length 149 [2022-07-19 22:12:58,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:12:58,697 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 233 transitions. [2022-07-19 22:12:58,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-19 22:12:58,698 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 233 transitions. [2022-07-19 22:12:58,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-07-19 22:12:58,699 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:12:58,700 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:12:58,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-19 22:12:58,700 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:12:58,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:12:58,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1154155911, now seen corresponding path program 1 times [2022-07-19 22:12:58,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:12:58,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066516880] [2022-07-19 22:12:58,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:12:58,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:12:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:58,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-19 22:12:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:58,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:59,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:12:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:59,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 22:12:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:59,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 22:12:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:59,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 22:12:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:59,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:59,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:59,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:59,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:12:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:59,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 22:12:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:59,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 22:12:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:59,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:59,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-19 22:12:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:59,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-19 22:12:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:59,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 22:12:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:59,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-19 22:12:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:59,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-19 22:12:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:59,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:59,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:59,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:12:59,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:59,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:12:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:59,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 22:12:59,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:59,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-19 22:12:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:59,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-19 22:12:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:12:59,355 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-07-19 22:12:59,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:12:59,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066516880] [2022-07-19 22:12:59,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066516880] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:12:59,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:12:59,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-07-19 22:12:59,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422195183] [2022-07-19 22:12:59,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:12:59,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-07-19 22:12:59,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:12:59,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-07-19 22:12:59,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-07-19 22:12:59,357 INFO L87 Difference]: Start difference. First operand 185 states and 233 transitions. Second operand has 19 states, 19 states have (on average 4.0) internal successors, (76), 15 states have internal predecessors, (76), 8 states have call successors, (25), 5 states have call predecessors, (25), 5 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2022-07-19 22:13:00,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:13:00,653 INFO L93 Difference]: Finished difference Result 246 states and 319 transitions. [2022-07-19 22:13:00,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-07-19 22:13:00,654 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.0) internal successors, (76), 15 states have internal predecessors, (76), 8 states have call successors, (25), 5 states have call predecessors, (25), 5 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) Word has length 150 [2022-07-19 22:13:00,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:13:00,656 INFO L225 Difference]: With dead ends: 246 [2022-07-19 22:13:00,656 INFO L226 Difference]: Without dead ends: 232 [2022-07-19 22:13:00,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=186, Invalid=1146, Unknown=0, NotChecked=0, Total=1332 [2022-07-19 22:13:00,657 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 155 mSDsluCounter, 900 mSDsCounter, 0 mSdLazyCounter, 1461 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 1050 SdHoareTripleChecker+Invalid, 1645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 1461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-19 22:13:00,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 1050 Invalid, 1645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 1461 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-19 22:13:00,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2022-07-19 22:13:00,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 201. [2022-07-19 22:13:00,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 125 states have (on average 1.112) internal successors, (139), 130 states have internal predecessors, (139), 54 states have call successors, (54), 17 states have call predecessors, (54), 21 states have return successors, (64), 55 states have call predecessors, (64), 52 states have call successors, (64) [2022-07-19 22:13:00,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 257 transitions. [2022-07-19 22:13:00,673 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 257 transitions. Word has length 150 [2022-07-19 22:13:00,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:13:00,674 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 257 transitions. [2022-07-19 22:13:00,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.0) internal successors, (76), 15 states have internal predecessors, (76), 8 states have call successors, (25), 5 states have call predecessors, (25), 5 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2022-07-19 22:13:00,674 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 257 transitions. [2022-07-19 22:13:00,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-19 22:13:00,676 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:13:00,676 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:13:00,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-19 22:13:00,677 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:13:00,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:13:00,677 INFO L85 PathProgramCache]: Analyzing trace with hash 539994885, now seen corresponding path program 1 times [2022-07-19 22:13:00,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:13:00,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655181] [2022-07-19 22:13:00,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:13:00,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:13:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:13:01,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-19 22:13:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:13:01,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:13:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:13:01,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:13:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:13:01,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 22:13:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:13:01,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 22:13:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:13:01,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 22:13:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:13:01,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:13:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:13:01,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:13:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:13:01,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:13:01,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:13:01,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 22:13:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:13:01,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 22:13:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:13:01,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:13:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:13:01,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-19 22:13:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:13:01,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-19 22:13:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:13:01,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 22:13:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:13:01,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-19 22:13:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:13:01,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-19 22:13:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:13:01,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:13:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:13:01,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:13:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:13:01,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 22:13:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:13:01,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:13:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:13:01,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 22:13:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:13:01,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-19 22:13:01,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:13:01,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-19 22:13:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:13:01,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-19 22:13:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:13:01,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 22:13:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:13:01,453 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-07-19 22:13:01,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:13:01,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655181] [2022-07-19 22:13:01,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655181] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 22:13:01,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284764231] [2022-07-19 22:13:01,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:13:01,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 22:13:01,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 22:13:01,456 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) [2022-07-19 22:13:01,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-19 22:13:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:13:02,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 2592 conjuncts, 67 conjunts are in the unsatisfiable core [2022-07-19 22:13:02,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 22:13:02,150 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-07-19 22:13:02,151 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 22:13:02,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284764231] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:13:02,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 22:13:02,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 13 [2022-07-19 22:13:02,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962317725] [2022-07-19 22:13:02,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:13:02,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 22:13:02,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:13:02,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 22:13:02,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-07-19 22:13:02,153 INFO L87 Difference]: Start difference. First operand 201 states and 257 transitions. Second operand has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 5 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 4 states have call predecessors, (24), 5 states have call successors, (24) [2022-07-19 22:13:02,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:13:02,294 INFO L93 Difference]: Finished difference Result 402 states and 517 transitions. [2022-07-19 22:13:02,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 22:13:02,295 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 5 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 4 states have call predecessors, (24), 5 states have call successors, (24) Word has length 161 [2022-07-19 22:13:02,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:13:02,297 INFO L225 Difference]: With dead ends: 402 [2022-07-19 22:13:02,297 INFO L226 Difference]: Without dead ends: 205 [2022-07-19 22:13:02,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-07-19 22:13:02,298 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 19 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 22:13:02,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 773 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 22:13:02,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2022-07-19 22:13:02,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2022-07-19 22:13:02,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 127 states have (on average 1.110236220472441) internal successors, (141), 134 states have internal predecessors, (141), 54 states have call successors, (54), 17 states have call predecessors, (54), 23 states have return successors, (66), 55 states have call predecessors, (66), 52 states have call successors, (66) [2022-07-19 22:13:02,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 261 transitions. [2022-07-19 22:13:02,314 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 261 transitions. Word has length 161 [2022-07-19 22:13:02,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:13:02,314 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 261 transitions. [2022-07-19 22:13:02,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 5 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 4 states have call predecessors, (24), 5 states have call successors, (24) [2022-07-19 22:13:02,314 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 261 transitions. [2022-07-19 22:13:02,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-07-19 22:13:02,316 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:13:02,316 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:13:02,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-19 22:13:02,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 22:13:02,536 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:13:02,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:13:02,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1216251191, now seen corresponding path program 1 times [2022-07-19 22:13:02,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:13:02,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962649256] [2022-07-19 22:13:02,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:13:02,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:13:02,632 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-19 22:13:02,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1323626789] [2022-07-19 22:13:02,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:13:02,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 22:13:02,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 22:13:02,637 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 22:13:02,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-19 22:13:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:13:03,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 2697 conjuncts, 25 conjunts are in the unsatisfiable core [2022-07-19 22:13:03,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 22:13:03,300 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 63 proven. 8 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-07-19 22:13:03,301 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 22:13:03,745 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-07-19 22:13:03,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:13:03,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962649256] [2022-07-19 22:13:03,746 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-19 22:13:03,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323626789] [2022-07-19 22:13:03,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323626789] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 22:13:03,746 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-19 22:13:03,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2022-07-19 22:13:03,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80236221] [2022-07-19 22:13:03,747 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-19 22:13:03,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-19 22:13:03,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:13:03,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-19 22:13:03,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-07-19 22:13:03,749 INFO L87 Difference]: Start difference. First operand 205 states and 261 transitions. Second operand has 14 states, 13 states have (on average 7.6923076923076925) internal successors, (100), 12 states have internal predecessors, (100), 6 states have call successors, (31), 3 states have call predecessors, (31), 6 states have return successors, (31), 6 states have call predecessors, (31), 5 states have call successors, (31) [2022-07-19 22:13:03,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:13:03,928 INFO L93 Difference]: Finished difference Result 398 states and 507 transitions. [2022-07-19 22:13:03,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-19 22:13:03,929 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.6923076923076925) internal successors, (100), 12 states have internal predecessors, (100), 6 states have call successors, (31), 3 states have call predecessors, (31), 6 states have return successors, (31), 6 states have call predecessors, (31), 5 states have call successors, (31) Word has length 167 [2022-07-19 22:13:03,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:13:03,930 INFO L225 Difference]: With dead ends: 398 [2022-07-19 22:13:03,931 INFO L226 Difference]: Without dead ends: 203 [2022-07-19 22:13:03,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 319 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2022-07-19 22:13:03,932 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 5 mSDsluCounter, 1546 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1694 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 22:13:03,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1694 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 22:13:03,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2022-07-19 22:13:03,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 201. [2022-07-19 22:13:03,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 125 states have (on average 1.088) internal successors, (136), 130 states have internal predecessors, (136), 54 states have call successors, (54), 17 states have call predecessors, (54), 21 states have return successors, (64), 55 states have call predecessors, (64), 52 states have call successors, (64) [2022-07-19 22:13:03,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 254 transitions. [2022-07-19 22:13:03,948 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 254 transitions. Word has length 167 [2022-07-19 22:13:03,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:13:03,948 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 254 transitions. [2022-07-19 22:13:03,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.6923076923076925) internal successors, (100), 12 states have internal predecessors, (100), 6 states have call successors, (31), 3 states have call predecessors, (31), 6 states have return successors, (31), 6 states have call predecessors, (31), 5 states have call successors, (31) [2022-07-19 22:13:03,949 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 254 transitions. [2022-07-19 22:13:03,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-19 22:13:03,950 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:13:03,951 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:13:03,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-19 22:13:04,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 22:13:04,176 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:13:04,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:13:04,176 INFO L85 PathProgramCache]: Analyzing trace with hash -382620781, now seen corresponding path program 1 times [2022-07-19 22:13:04,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:13:04,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794899591] [2022-07-19 22:13:04,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:13:04,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:13:04,257 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-19 22:13:04,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [720699557] [2022-07-19 22:13:04,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:13:04,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 22:13:04,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 22:13:04,259 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 22:13:04,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-19 22:13:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:13:04,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 2746 conjuncts, 205 conjunts are in the unsatisfiable core [2022-07-19 22:13:04,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 22:13:04,962 INFO L356 Elim1Store]: treesize reduction 117, result has 12.0 percent of original size [2022-07-19 22:13:04,962 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 8 case distinctions, treesize of input 55 treesize of output 54 [2022-07-19 22:13:05,055 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-07-19 22:13:05,573 INFO L356 Elim1Store]: treesize reduction 114, result has 27.4 percent of original size [2022-07-19 22:13:05,574 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 238 treesize of output 257 [2022-07-19 22:13:05,864 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-07-19 22:13:06,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 22:13:06,445 INFO L356 Elim1Store]: treesize reduction 664, result has 22.1 percent of original size [2022-07-19 22:13:06,445 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 8 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 33 case distinctions, treesize of input 430 treesize of output 572 [2022-07-19 22:14:50,993 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 102 [2022-07-19 22:14:51,058 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-19 22:14:51,059 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 107 treesize of output 169 [2022-07-19 22:14:52,896 INFO L356 Elim1Store]: treesize reduction 114, result has 27.4 percent of original size [2022-07-19 22:14:52,896 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 238 treesize of output 257 [2022-07-19 22:14:52,917 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-07-19 22:14:52,918 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 1 case distinctions, treesize of input 9 treesize of output 15 [2022-07-19 22:14:54,146 INFO L356 Elim1Store]: treesize reduction 550, result has 28.5 percent of original size [2022-07-19 22:14:54,146 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 3 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 368 treesize of output 550 [2022-07-19 22:14:54,250 INFO L356 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-07-19 22:14:54,251 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 474 treesize of output 466 [2022-07-19 22:14:54,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:14:54,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794899591] [2022-07-19 22:14:54,278 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-19 22:14:54,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720699557] [2022-07-19 22:14:54,278 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-07-19 22:14:54,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-19 22:14:54,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-07-19 22:14:54,480 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Should have been eliminated by DER at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.(DerPreprocessor.java:113) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:353) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:190) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne3(DualJunctionSaa.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne2(DualJunctionSaa.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne1(DualJunctionSaa.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne0(DualJunctionSaa.java:124) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:108) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:93) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:611) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:529) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:333) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:269) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:248) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:409) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:300) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:260) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:152) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-19 22:14:54,484 INFO L158 Benchmark]: Toolchain (without parser) took 147652.71ms. Allocated memory was 111.1MB in the beginning and 574.6MB in the end (delta: 463.5MB). Free memory was 86.2MB in the beginning and 395.9MB in the end (delta: -309.7MB). Peak memory consumption was 153.2MB. Max. memory is 16.1GB. [2022-07-19 22:14:54,484 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 81.8MB. Free memory was 61.0MB in the beginning and 61.0MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 22:14:54,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2340.83ms. Allocated memory was 111.1MB in the beginning and 172.0MB in the end (delta: 60.8MB). Free memory was 86.2MB in the beginning and 86.2MB in the end (delta: 26.0kB). Peak memory consumption was 86.6MB. Max. memory is 16.1GB. [2022-07-19 22:14:54,485 INFO L158 Benchmark]: Boogie Procedure Inliner took 186.06ms. Allocated memory is still 172.0MB. Free memory was 86.2MB in the beginning and 75.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-19 22:14:54,485 INFO L158 Benchmark]: Boogie Preprocessor took 84.61ms. Allocated memory is still 172.0MB. Free memory was 75.7MB in the beginning and 69.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-19 22:14:54,485 INFO L158 Benchmark]: RCFGBuilder took 1180.04ms. Allocated memory is still 172.0MB. Free memory was 69.4MB in the beginning and 86.4MB in the end (delta: -17.0MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2022-07-19 22:14:54,486 INFO L158 Benchmark]: TraceAbstraction took 143853.72ms. Allocated memory was 172.0MB in the beginning and 574.6MB in the end (delta: 402.7MB). Free memory was 86.4MB in the beginning and 395.9MB in the end (delta: -309.6MB). Peak memory consumption was 93.1MB. Max. memory is 16.1GB. [2022-07-19 22:14:54,487 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 81.8MB. Free memory was 61.0MB in the beginning and 61.0MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2340.83ms. Allocated memory was 111.1MB in the beginning and 172.0MB in the end (delta: 60.8MB). Free memory was 86.2MB in the beginning and 86.2MB in the end (delta: 26.0kB). Peak memory consumption was 86.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 186.06ms. Allocated memory is still 172.0MB. Free memory was 86.2MB in the beginning and 75.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.61ms. Allocated memory is still 172.0MB. Free memory was 75.7MB in the beginning and 69.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1180.04ms. Allocated memory is still 172.0MB. Free memory was 69.4MB in the beginning and 86.4MB in the end (delta: -17.0MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * TraceAbstraction took 143853.72ms. Allocated memory was 172.0MB in the beginning and 574.6MB in the end (delta: 402.7MB). Free memory was 86.4MB in the beginning and 395.9MB in the end (delta: -309.6MB). Peak memory consumption was 93.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Should have been eliminated by DER de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Should have been eliminated by DER: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.(DerPreprocessor.java:113) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-07-19 22:14:54,560 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_hash_table_swap_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.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 50333b6a17e96dff6400d2c6a85c0145ae494daf76266f6b6d6936a12a6b2527 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 22:14:56,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 22:14:56,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 22:14:56,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 22:14:56,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 22:14:56,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 22:14:56,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 22:14:56,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 22:14:56,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 22:14:56,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 22:14:56,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 22:14:56,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 22:14:56,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 22:14:56,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 22:14:56,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 22:14:56,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 22:14:56,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 22:14:56,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 22:14:56,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 22:14:56,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 22:14:56,454 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 22:14:56,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 22:14:56,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 22:14:56,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 22:14:56,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 22:14:56,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 22:14:56,459 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 22:14:56,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 22:14:56,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 22:14:56,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 22:14:56,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 22:14:56,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 22:14:56,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 22:14:56,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 22:14:56,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 22:14:56,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 22:14:56,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 22:14:56,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 22:14:56,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 22:14:56,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 22:14:56,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 22:14:56,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 22:14:56,471 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-19 22:14:56,510 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 22:14:56,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 22:14:56,511 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 22:14:56,511 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 22:14:56,512 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 22:14:56,512 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 22:14:56,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 22:14:56,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 22:14:56,513 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 22:14:56,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 22:14:56,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 22:14:56,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 22:14:56,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 22:14:56,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 22:14:56,514 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-19 22:14:56,514 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-19 22:14:56,514 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-19 22:14:56,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 22:14:56,515 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 22:14:56,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 22:14:56,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 22:14:56,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 22:14:56,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 22:14:56,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 22:14:56,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 22:14:56,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 22:14:56,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 22:14:56,516 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-19 22:14:56,516 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-19 22:14:56,516 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 22:14:56,517 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 22:14:56,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 22:14:56,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-19 22:14:56,517 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50333b6a17e96dff6400d2c6a85c0145ae494daf76266f6b6d6936a12a6b2527 [2022-07-19 22:14:56,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 22:14:56,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 22:14:56,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 22:14:56,839 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 22:14:56,839 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 22:14:56,840 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_swap_harness.i [2022-07-19 22:14:56,888 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b08d42ca/0cafe36df8274dc2bb63791cbfe8fb43/FLAG42b95e18f [2022-07-19 22:14:57,687 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 22:14:57,688 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_swap_harness.i [2022-07-19 22:14:57,722 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b08d42ca/0cafe36df8274dc2bb63791cbfe8fb43/FLAG42b95e18f [2022-07-19 22:14:57,880 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b08d42ca/0cafe36df8274dc2bb63791cbfe8fb43 [2022-07-19 22:14:57,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 22:14:57,884 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 22:14:57,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 22:14:57,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 22:14:57,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 22:14:57,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:14:57" (1/1) ... [2022-07-19 22:14:57,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2139689a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:14:57, skipping insertion in model container [2022-07-19 22:14:57,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:14:57" (1/1) ... [2022-07-19 22:14:57,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 22:14:58,002 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 22:14:58,257 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_hash_table_swap_harness.i[4493,4506] [2022-07-19 22:14:58,264 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_hash_table_swap_harness.i[4553,4566] [2022-07-19 22:14:59,074 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:14:59,075 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:14:59,075 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:14:59,076 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:14:59,077 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:14:59,090 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:14:59,091 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:14:59,092 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:14:59,093 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:14:59,094 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:14:59,095 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:14:59,095 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:14:59,096 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 22:14:59,369 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-19 22:14:59,370 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-19 22:14:59,371 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-19 22:14:59,371 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-19 22:14:59,372 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-19 22:14:59,373 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-19 22:14:59,374 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-19 22:14:59,377 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-19 22:14:59,377 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-19 22:14:59,379 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-19 22:14:59,573 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-19 22:14:59,585 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.ArithmeticException: BigInteger out of int range at java.base/java.math.BigInteger.intValueExact(BigInteger.java:4784) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:1009) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:968) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:675) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1454) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-19 22:14:59,589 INFO L158 Benchmark]: Toolchain (without parser) took 1704.36ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 30.8MB in the beginning and 40.9MB in the end (delta: -10.1MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2022-07-19 22:14:59,590 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 62.9MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 22:14:59,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1686.29ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 43.3MB in the beginning and 40.9MB in the end (delta: 2.4MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2022-07-19 22:14:59,592 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 62.9MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1686.29ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 43.3MB in the beginning and 40.9MB in the end (delta: 2.4MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: ArithmeticException: BigInteger out of int range de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: ArithmeticException: BigInteger out of int range: java.base/java.math.BigInteger.intValueExact(BigInteger.java:4784) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ArithmeticException: BigInteger out of int range