./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 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_iter_delete_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 7608d8aa64807891206ad38b93db31434f261f46ffbbb3a8b8a4940e4ab5ce81 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-16 21:03:59,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-16 21:03:59,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-16 21:03:59,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-16 21:03:59,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-16 21:03:59,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-16 21:03:59,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-16 21:03:59,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-16 21:03:59,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-16 21:03:59,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-16 21:03:59,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-16 21:03:59,748 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-16 21:03:59,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-16 21:03:59,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-16 21:03:59,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-16 21:03:59,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-16 21:03:59,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-16 21:03:59,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-16 21:03:59,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-16 21:03:59,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-16 21:03:59,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-16 21:03:59,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-16 21:03:59,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-16 21:03:59,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-16 21:03:59,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-16 21:03:59,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-16 21:03:59,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-16 21:03:59,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-16 21:03:59,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-16 21:03:59,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-16 21:03:59,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-16 21:03:59,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-16 21:03:59,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-16 21:03:59,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-16 21:03:59,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-16 21:03:59,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-16 21:03:59,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-16 21:03:59,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-16 21:03:59,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-16 21:03:59,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-16 21:03:59,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-16 21:03:59,780 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-16 21:03:59,801 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-16 21:03:59,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-16 21:03:59,803 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-16 21:03:59,803 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-16 21:03:59,804 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-16 21:03:59,804 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-16 21:03:59,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-16 21:03:59,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-16 21:03:59,805 INFO L138 SettingsManager]: * Use SBE=true [2021-11-16 21:03:59,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-16 21:03:59,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-16 21:03:59,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-16 21:03:59,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-16 21:03:59,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-16 21:03:59,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-16 21:03:59,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-16 21:03:59,807 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-16 21:03:59,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-16 21:03:59,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-16 21:03:59,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-16 21:03:59,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-16 21:03:59,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-16 21:03:59,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-16 21:03:59,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-16 21:03:59,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-16 21:03:59,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-16 21:03:59,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-16 21:03:59,808 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-16 21:03:59,809 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-16 21:03:59,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-16 21:03:59,809 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-16 21:03:59,809 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7608d8aa64807891206ad38b93db31434f261f46ffbbb3a8b8a4940e4ab5ce81 [2021-11-16 21:04:00,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-16 21:04:00,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-16 21:04:00,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-16 21:04:00,023 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-16 21:04:00,023 INFO L275 PluginConnector]: CDTParser initialized [2021-11-16 21:04:00,024 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness.i [2021-11-16 21:04:00,076 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4a2ba767/bc578359580a40cda191588b3a9c8fd8/FLAG95569de40 [2021-11-16 21:04:00,666 INFO L306 CDTParser]: Found 1 translation units. [2021-11-16 21:04:00,667 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness.i [2021-11-16 21:04:00,700 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4a2ba767/bc578359580a40cda191588b3a9c8fd8/FLAG95569de40 [2021-11-16 21:04:01,094 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4a2ba767/bc578359580a40cda191588b3a9c8fd8 [2021-11-16 21:04:01,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-16 21:04:01,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-16 21:04:01,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-16 21:04:01,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-16 21:04:01,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-16 21:04:01,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:04:01" (1/1) ... [2021-11-16 21:04:01,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@629b9718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:04:01, skipping insertion in model container [2021-11-16 21:04:01,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:04:01" (1/1) ... [2021-11-16 21:04:01,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-16 21:04:01,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-16 21:04:01,366 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_iter_delete_harness.i[4494,4507] [2021-11-16 21:04:01,372 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_iter_delete_harness.i[4554,4567] [2021-11-16 21:04:01,394 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-16 21:04:01,398 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-16 21:04:01,953 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:01,954 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:01,954 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:01,955 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:01,956 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:01,965 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:01,968 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:01,969 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:01,971 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:01,973 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:01,974 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:01,975 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:01,975 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,191 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-16 21:04:02,192 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-16 21:04:02,193 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-16 21:04:02,194 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-16 21:04:02,195 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-16 21:04:02,196 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-16 21:04:02,197 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-16 21:04:02,197 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-16 21:04:02,198 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-16 21:04:02,207 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-16 21:04:02,376 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-16 21:04:02,593 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,594 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,613 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,614 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,620 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,620 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,637 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,638 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,639 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,639 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,639 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,639 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,640 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,684 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-16 21:04:02,719 INFO L203 MainTranslator]: Completed pre-run [2021-11-16 21:04:02,737 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_iter_delete_harness.i[4494,4507] [2021-11-16 21:04:02,737 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_iter_delete_harness.i[4554,4567] [2021-11-16 21:04:02,739 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-16 21:04:02,739 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-16 21:04:02,799 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,800 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,800 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,800 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,800 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,807 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,808 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,808 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,808 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,809 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,809 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,810 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,810 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,831 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-16 21:04:02,832 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-16 21:04:02,833 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-16 21:04:02,833 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-16 21:04:02,833 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-16 21:04:02,834 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-16 21:04:02,834 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-16 21:04:02,834 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-16 21:04:02,835 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-16 21:04:02,835 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-16 21:04:02,853 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-16 21:04:02,929 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,930 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,934 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,934 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,936 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,936 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,945 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,945 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,946 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,946 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,946 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,947 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,947 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:04:02,959 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-16 21:04:03,108 INFO L208 MainTranslator]: Completed translation [2021-11-16 21:04:03,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:04:03 WrapperNode [2021-11-16 21:04:03,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-16 21:04:03,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-16 21:04:03,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-16 21:04:03,123 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-16 21:04:03,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:04:03" (1/1) ... [2021-11-16 21:04:03,208 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:04:03" (1/1) ... [2021-11-16 21:04:03,279 INFO L137 Inliner]: procedures = 776, calls = 2462, calls flagged for inlining = 66, calls inlined = 11, statements flattened = 729 [2021-11-16 21:04:03,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-16 21:04:03,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-16 21:04:03,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-16 21:04:03,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-16 21:04:03,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:04:03" (1/1) ... [2021-11-16 21:04:03,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:04:03" (1/1) ... [2021-11-16 21:04:03,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:04:03" (1/1) ... [2021-11-16 21:04:03,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:04:03" (1/1) ... [2021-11-16 21:04:03,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:04:03" (1/1) ... [2021-11-16 21:04:03,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:04:03" (1/1) ... [2021-11-16 21:04:03,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:04:03" (1/1) ... [2021-11-16 21:04:03,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-16 21:04:03,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-16 21:04:03,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-16 21:04:03,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-16 21:04:03,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:04:03" (1/1) ... [2021-11-16 21:04:03,382 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-16 21:04:03,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 21:04:03,409 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) [2021-11-16 21:04:03,428 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 [2021-11-16 21:04:03,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-16 21:04:03,440 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-16 21:04:03,440 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-16 21:04:03,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-16 21:04:03,440 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-16 21:04:03,440 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-16 21:04:03,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-16 21:04:03,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-16 21:04:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2021-11-16 21:04:03,441 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2021-11-16 21:04:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-16 21:04:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-16 21:04:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-16 21:04:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-16 21:04:03,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-16 21:04:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-16 21:04:03,442 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-16 21:04:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-16 21:04:03,442 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-16 21:04:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_uaddl_overflow [2021-11-16 21:04:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-16 21:04:03,442 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-16 21:04:03,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-16 21:04:03,443 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-11-16 21:04:03,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-11-16 21:04:03,443 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-16 21:04:03,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-16 21:04:03,443 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-16 21:04:03,443 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-16 21:04:03,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-16 21:04:03,444 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2021-11-16 21:04:03,444 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2021-11-16 21:04:03,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-16 21:04:03,444 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2021-11-16 21:04:03,444 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2021-11-16 21:04:03,444 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-16 21:04:03,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-16 21:04:03,445 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-16 21:04:03,445 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-16 21:04:03,447 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2021-11-16 21:04:03,447 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2021-11-16 21:04:03,447 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2021-11-16 21:04:03,447 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2021-11-16 21:04:03,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-16 21:04:03,448 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-16 21:04:03,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-16 21:04:03,449 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-11-16 21:04:03,449 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-11-16 21:04:03,453 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2021-11-16 21:04:03,453 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2021-11-16 21:04:03,453 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_delete [2021-11-16 21:04:03,453 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_delete [2021-11-16 21:04:03,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-16 21:04:03,764 INFO L236 CfgBuilder]: Building ICFG [2021-11-16 21:04:03,766 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-16 21:04:03,914 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume !true; [2021-11-16 21:04:03,914 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !true; [2021-11-16 21:04:04,466 INFO L277 CfgBuilder]: Performing block encoding [2021-11-16 21:04:04,471 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-16 21:04:04,472 INFO L301 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-16 21:04:04,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 09:04:04 BoogieIcfgContainer [2021-11-16 21:04:04,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-16 21:04:04,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-16 21:04:04,474 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-16 21:04:04,476 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-16 21:04:04,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 09:04:01" (1/3) ... [2021-11-16 21:04:04,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29a1605b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:04:04, skipping insertion in model container [2021-11-16 21:04:04,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:04:03" (2/3) ... [2021-11-16 21:04:04,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29a1605b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:04:04, skipping insertion in model container [2021-11-16 21:04:04,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 09:04:04" (3/3) ... [2021-11-16 21:04:04,478 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_delete_harness.i [2021-11-16 21:04:04,481 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-16 21:04:04,481 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-16 21:04:04,509 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-16 21:04:04,513 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-16 21:04:04,513 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-16 21:04:04,527 INFO L276 IsEmpty]: Start isEmpty. Operand has 210 states, 137 states have (on average 1.2627737226277371) internal successors, (173), 136 states have internal predecessors, (173), 54 states have call successors, (54), 19 states have call predecessors, (54), 19 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2021-11-16 21:04:04,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-16 21:04:04,536 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 21:04:04,537 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 21:04:04,537 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 21:04:04,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 21:04:04,541 INFO L85 PathProgramCache]: Analyzing trace with hash 778506499, now seen corresponding path program 1 times [2021-11-16 21:04:04,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 21:04:04,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786726427] [2021-11-16 21:04:04,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:04:04,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 21:04:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:04,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 21:04:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:04,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-16 21:04:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:04,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 21:04:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:04,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-16 21:04:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:04,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-16 21:04:04,979 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 21:04:04,979 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786726427] [2021-11-16 21:04:04,980 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2021-11-16 21:04:04,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658084705] [2021-11-16 21:04:04,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:04:04,980 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 21:04:04,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 21:04:04,982 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) [2021-11-16 21:04:04,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-16 21:04:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:05,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 2435 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-16 21:04:05,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 21:04:05,702 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2021-11-16 21:04:05,702 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 21:04:05,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658084705] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 21:04:05,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 21:04:05,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-16 21:04:05,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628920321] [2021-11-16 21:04:05,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 21:04:05,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-16 21:04:05,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 21:04:05,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-16 21:04:05,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-16 21:04:05,726 INFO L87 Difference]: Start difference. First operand has 210 states, 137 states have (on average 1.2627737226277371) internal successors, (173), 136 states have internal predecessors, (173), 54 states have call successors, (54), 19 states have call predecessors, (54), 19 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-16 21:04:05,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 21:04:05,754 INFO L93 Difference]: Finished difference Result 415 states and 583 transitions. [2021-11-16 21:04:05,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-16 21:04:05,756 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 201 [2021-11-16 21:04:05,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 21:04:05,762 INFO L225 Difference]: With dead ends: 415 [2021-11-16 21:04:05,762 INFO L226 Difference]: Without dead ends: 205 [2021-11-16 21:04:05,766 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-16 21:04:05,768 INFO L933 BasicCegarLoop]: 273 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, 273 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 [2021-11-16 21:04:05,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-16 21:04:05,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2021-11-16 21:04:05,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2021-11-16 21:04:05,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 131 states have (on average 1.2290076335877862) internal successors, (161), 132 states have internal predecessors, (161), 54 states have call successors, (54), 19 states have call predecessors, (54), 19 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2021-11-16 21:04:05,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 268 transitions. [2021-11-16 21:04:05,805 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 268 transitions. Word has length 201 [2021-11-16 21:04:05,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 21:04:05,806 INFO L470 AbstractCegarLoop]: Abstraction has 205 states and 268 transitions. [2021-11-16 21:04:05,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-16 21:04:05,807 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 268 transitions. [2021-11-16 21:04:05,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-16 21:04:05,810 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 21:04:05,810 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 21:04:05,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-16 21:04:06,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-16 21:04:06,029 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 21:04:06,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 21:04:06,030 INFO L85 PathProgramCache]: Analyzing trace with hash -309437507, now seen corresponding path program 1 times [2021-11-16 21:04:06,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 21:04:06,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182868331] [2021-11-16 21:04:06,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:04:06,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 21:04:06,081 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-16 21:04:06,082 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [374164469] [2021-11-16 21:04:06,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:04:06,082 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 21:04:06,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 21:04:06,083 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) [2021-11-16 21:04:06,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-16 21:04:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:06,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 2435 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-16 21:04:06,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 21:04:06,773 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2021-11-16 21:04:06,773 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 21:04:06,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 21:04:06,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182868331] [2021-11-16 21:04:06,774 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-16 21:04:06,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374164469] [2021-11-16 21:04:06,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374164469] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 21:04:06,774 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 21:04:06,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-16 21:04:06,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69277876] [2021-11-16 21:04:06,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 21:04:06,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-16 21:04:06,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 21:04:06,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-16 21:04:06,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-16 21:04:06,777 INFO L87 Difference]: Start difference. First operand 205 states and 268 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-16 21:04:06,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 21:04:06,824 INFO L93 Difference]: Finished difference Result 373 states and 491 transitions. [2021-11-16 21:04:06,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-16 21:04:06,825 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 201 [2021-11-16 21:04:06,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 21:04:06,836 INFO L225 Difference]: With dead ends: 373 [2021-11-16 21:04:06,836 INFO L226 Difference]: Without dead ends: 210 [2021-11-16 21:04:06,837 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-16 21:04:06,838 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 2 mSDsluCounter, 791 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1056 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-16 21:04:06,839 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 1056 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-16 21:04:06,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2021-11-16 21:04:06,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2021-11-16 21:04:06,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 135 states have (on average 1.2222222222222223) internal successors, (165), 136 states have internal predecessors, (165), 54 states have call successors, (54), 19 states have call predecessors, (54), 20 states have return successors, (54), 54 states have call predecessors, (54), 53 states have call successors, (54) [2021-11-16 21:04:06,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 273 transitions. [2021-11-16 21:04:06,861 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 273 transitions. Word has length 201 [2021-11-16 21:04:06,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 21:04:06,862 INFO L470 AbstractCegarLoop]: Abstraction has 210 states and 273 transitions. [2021-11-16 21:04:06,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-16 21:04:06,862 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 273 transitions. [2021-11-16 21:04:06,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-16 21:04:06,865 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 21:04:06,865 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 21:04:06,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-16 21:04:07,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-11-16 21:04:07,084 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 21:04:07,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 21:04:07,084 INFO L85 PathProgramCache]: Analyzing trace with hash -2085577371, now seen corresponding path program 1 times [2021-11-16 21:04:07,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 21:04:07,084 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343141923] [2021-11-16 21:04:07,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:04:07,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 21:04:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 21:04:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-16 21:04:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 21:04:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-16 21:04:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-16 21:04:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:04:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:04:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 21:04:07,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-16 21:04:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-16 21:04:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:04:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 21:04:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-16 21:04:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-16 21:04:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-16 21:04:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-16 21:04:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-16 21:04:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-16 21:04:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-16 21:04:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-16 21:04:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-16 21:04:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-16 21:04:07,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-16 21:04:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-16 21:04:07,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-16 21:04:07,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-16 21:04:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-16 21:04:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-16 21:04:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-11-16 21:04:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-16 21:04:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-16 21:04:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-16 21:04:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-16 21:04:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:07,661 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2021-11-16 21:04:07,661 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 21:04:07,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343141923] [2021-11-16 21:04:07,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343141923] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 21:04:07,662 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 21:04:07,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-16 21:04:07,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344428204] [2021-11-16 21:04:07,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 21:04:07,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-16 21:04:07,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 21:04:07,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-16 21:04:07,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-11-16 21:04:07,664 INFO L87 Difference]: Start difference. First operand 210 states and 273 transitions. Second operand has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 9 states have internal predecessors, (76), 4 states have call successors, (36), 5 states have call predecessors, (36), 3 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) [2021-11-16 21:04:09,294 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 21:04:10,432 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 21:04:11,884 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 21:04:13,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 21:04:13,923 INFO L93 Difference]: Finished difference Result 378 states and 499 transitions. [2021-11-16 21:04:13,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-16 21:04:13,927 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 9 states have internal predecessors, (76), 4 states have call successors, (36), 5 states have call predecessors, (36), 3 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) Word has length 207 [2021-11-16 21:04:13,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 21:04:13,931 INFO L225 Difference]: With dead ends: 378 [2021-11-16 21:04:13,931 INFO L226 Difference]: Without dead ends: 229 [2021-11-16 21:04:13,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=328, Unknown=0, NotChecked=0, Total=420 [2021-11-16 21:04:13,933 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 387 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 1291 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 1546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 1291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-11-16 21:04:13,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [410 Valid, 782 Invalid, 1546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 1291 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2021-11-16 21:04:13,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2021-11-16 21:04:13,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 215. [2021-11-16 21:04:13,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 139 states have (on average 1.223021582733813) internal successors, (170), 141 states have internal predecessors, (170), 54 states have call successors, (54), 19 states have call predecessors, (54), 21 states have return successors, (55), 54 states have call predecessors, (55), 53 states have call successors, (55) [2021-11-16 21:04:13,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 279 transitions. [2021-11-16 21:04:13,949 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 279 transitions. Word has length 207 [2021-11-16 21:04:13,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 21:04:13,950 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 279 transitions. [2021-11-16 21:04:13,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 9 states have internal predecessors, (76), 4 states have call successors, (36), 5 states have call predecessors, (36), 3 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) [2021-11-16 21:04:13,950 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 279 transitions. [2021-11-16 21:04:13,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-16 21:04:13,954 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 21:04:13,954 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 21:04:13,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-16 21:04:13,954 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 21:04:13,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 21:04:13,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1668960419, now seen corresponding path program 1 times [2021-11-16 21:04:13,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 21:04:13,955 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985779539] [2021-11-16 21:04:13,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:04:13,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 21:04:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 21:04:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-16 21:04:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 21:04:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-16 21:04:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-16 21:04:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:04:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:04:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 21:04:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-16 21:04:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-16 21:04:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:04:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 21:04:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-16 21:04:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-16 21:04:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-16 21:04:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-16 21:04:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-16 21:04:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-16 21:04:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-16 21:04:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-16 21:04:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-16 21:04:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-16 21:04:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-16 21:04:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-16 21:04:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-16 21:04:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-16 21:04:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-16 21:04:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-16 21:04:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-11-16 21:04:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-16 21:04:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-16 21:04:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-16 21:04:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-16 21:04:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:14,387 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2021-11-16 21:04:14,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 21:04:14,388 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985779539] [2021-11-16 21:04:14,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985779539] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 21:04:14,388 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 21:04:14,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-16 21:04:14,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606255281] [2021-11-16 21:04:14,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 21:04:14,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-16 21:04:14,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 21:04:14,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-16 21:04:14,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-16 21:04:14,390 INFO L87 Difference]: Start difference. First operand 215 states and 279 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-16 21:04:15,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 21:04:15,395 INFO L93 Difference]: Finished difference Result 385 states and 507 transitions. [2021-11-16 21:04:15,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-16 21:04:15,396 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 207 [2021-11-16 21:04:15,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 21:04:15,398 INFO L225 Difference]: With dead ends: 385 [2021-11-16 21:04:15,398 INFO L226 Difference]: Without dead ends: 231 [2021-11-16 21:04:15,398 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2021-11-16 21:04:15,399 INFO L933 BasicCegarLoop]: 213 mSDtfsCounter, 184 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-16 21:04:15,399 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 624 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 714 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-16 21:04:15,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2021-11-16 21:04:15,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 217. [2021-11-16 21:04:15,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 140 states have (on average 1.2214285714285715) internal successors, (171), 142 states have internal predecessors, (171), 55 states have call successors, (55), 19 states have call predecessors, (55), 21 states have return successors, (56), 55 states have call predecessors, (56), 54 states have call successors, (56) [2021-11-16 21:04:15,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 282 transitions. [2021-11-16 21:04:15,410 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 282 transitions. Word has length 207 [2021-11-16 21:04:15,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 21:04:15,410 INFO L470 AbstractCegarLoop]: Abstraction has 217 states and 282 transitions. [2021-11-16 21:04:15,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-16 21:04:15,410 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 282 transitions. [2021-11-16 21:04:15,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-16 21:04:15,412 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 21:04:15,413 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 21:04:15,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-16 21:04:15,413 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 21:04:15,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 21:04:15,413 INFO L85 PathProgramCache]: Analyzing trace with hash -336287017, now seen corresponding path program 1 times [2021-11-16 21:04:15,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 21:04:15,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205574357] [2021-11-16 21:04:15,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:04:15,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 21:04:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 21:04:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-16 21:04:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 21:04:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-16 21:04:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-16 21:04:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:04:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:04:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 21:04:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-16 21:04:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-16 21:04:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:04:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 21:04:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-16 21:04:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-16 21:04:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-16 21:04:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-16 21:04:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-16 21:04:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-16 21:04:15,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-16 21:04:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-16 21:04:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-16 21:04:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-16 21:04:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-16 21:04:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-16 21:04:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-16 21:04:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-16 21:04:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-16 21:04:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-16 21:04:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-16 21:04:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-16 21:04:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-11-16 21:04:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-16 21:04:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-16 21:04:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-16 21:04:15,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:15,789 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2021-11-16 21:04:15,790 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 21:04:15,790 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205574357] [2021-11-16 21:04:15,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205574357] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 21:04:15,790 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733069672] [2021-11-16 21:04:15,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:04:15,790 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 21:04:15,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 21:04:15,791 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) [2021-11-16 21:04:15,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-16 21:04:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:16,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 2475 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-16 21:04:16,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 21:04:17,218 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((aws_hash_table_is_valid_~map.base Int) (aws_hash_table_is_valid_~map.offset Int)) (not (= 0 (select (select |c_#memory_$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 [2021-11-16 21:04:23,782 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2021-11-16 21:04:23,782 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 21:04:23,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733069672] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 21:04:23,783 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-16 21:04:23,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2021-11-16 21:04:23,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366026445] [2021-11-16 21:04:23,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 21:04:23,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-16 21:04:23,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 21:04:23,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-16 21:04:23,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=175, Unknown=3, NotChecked=26, Total=240 [2021-11-16 21:04:23,784 INFO L87 Difference]: Start difference. First operand 217 states and 282 transitions. Second operand has 8 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-16 21:04:25,428 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 21:04:25,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 21:04:25,616 INFO L93 Difference]: Finished difference Result 378 states and 504 transitions. [2021-11-16 21:04:25,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-16 21:04:25,617 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) Word has length 213 [2021-11-16 21:04:25,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 21:04:25,619 INFO L225 Difference]: With dead ends: 378 [2021-11-16 21:04:25,619 INFO L226 Difference]: Without dead ends: 220 [2021-11-16 21:04:25,619 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=51, Invalid=222, Unknown=3, NotChecked=30, Total=306 [2021-11-16 21:04:25,620 INFO L933 BasicCegarLoop]: 263 mSDtfsCounter, 5 mSDsluCounter, 1167 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1430 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 398 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-16 21:04:25,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 1430 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 398 Unchecked, 1.8s Time] [2021-11-16 21:04:25,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-11-16 21:04:25,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 219. [2021-11-16 21:04:25,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 142 states have (on average 1.2183098591549295) internal successors, (173), 143 states have internal predecessors, (173), 55 states have call successors, (55), 20 states have call predecessors, (55), 21 states have return successors, (56), 55 states have call predecessors, (56), 54 states have call successors, (56) [2021-11-16 21:04:25,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 284 transitions. [2021-11-16 21:04:25,650 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 284 transitions. Word has length 213 [2021-11-16 21:04:25,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 21:04:25,652 INFO L470 AbstractCegarLoop]: Abstraction has 219 states and 284 transitions. [2021-11-16 21:04:25,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-16 21:04:25,652 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 284 transitions. [2021-11-16 21:04:25,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-11-16 21:04:25,655 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 21:04:25,656 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 21:04:25,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-16 21:04:25,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 21:04:25,877 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 21:04:25,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 21:04:25,878 INFO L85 PathProgramCache]: Analyzing trace with hash 54254165, now seen corresponding path program 1 times [2021-11-16 21:04:25,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 21:04:25,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186946489] [2021-11-16 21:04:25,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:04:25,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 21:04:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 21:04:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-16 21:04:26,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 21:04:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-16 21:04:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-16 21:04:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:04:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:04:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 21:04:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-16 21:04:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-16 21:04:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:04:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 21:04:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-16 21:04:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 21:04:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-16 21:04:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-16 21:04:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-16 21:04:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-16 21:04:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-16 21:04:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-16 21:04:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-16 21:04:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-16 21:04:26,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-16 21:04:26,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-11-16 21:04:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-16 21:04:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-16 21:04:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-16 21:04:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-16 21:04:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-16 21:04:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-16 21:04:26,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-16 21:04:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-11-16 21:04:26,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-16 21:04:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-16 21:04:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-16 21:04:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,359 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 33 proven. 23 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2021-11-16 21:04:26,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 21:04:26,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186946489] [2021-11-16 21:04:26,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186946489] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 21:04:26,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033471536] [2021-11-16 21:04:26,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:04:26,360 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 21:04:26,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 21:04:26,361 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) [2021-11-16 21:04:26,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-16 21:04:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:26,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 2505 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-16 21:04:26,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 21:04:27,038 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 381 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2021-11-16 21:04:27,038 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 21:04:27,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033471536] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 21:04:27,039 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-16 21:04:27,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 10 [2021-11-16 21:04:27,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448920798] [2021-11-16 21:04:27,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 21:04:27,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-16 21:04:27,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 21:04:27,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-16 21:04:27,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-16 21:04:27,040 INFO L87 Difference]: Start difference. First operand 219 states and 284 transitions. Second operand has 6 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-16 21:04:27,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 21:04:27,150 INFO L93 Difference]: Finished difference Result 355 states and 466 transitions. [2021-11-16 21:04:27,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-16 21:04:27,151 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 218 [2021-11-16 21:04:27,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 21:04:27,153 INFO L225 Difference]: With dead ends: 355 [2021-11-16 21:04:27,153 INFO L226 Difference]: Without dead ends: 221 [2021-11-16 21:04:27,153 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-16 21:04:27,154 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 2 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1188 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-16 21:04:27,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 1188 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-16 21:04:27,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-11-16 21:04:27,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2021-11-16 21:04:27,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 143 states have (on average 1.2167832167832169) internal successors, (174), 145 states have internal predecessors, (174), 55 states have call successors, (55), 20 states have call predecessors, (55), 22 states have return successors, (59), 55 states have call predecessors, (59), 54 states have call successors, (59) [2021-11-16 21:04:27,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 288 transitions. [2021-11-16 21:04:27,164 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 288 transitions. Word has length 218 [2021-11-16 21:04:27,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 21:04:27,164 INFO L470 AbstractCegarLoop]: Abstraction has 221 states and 288 transitions. [2021-11-16 21:04:27,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-16 21:04:27,165 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 288 transitions. [2021-11-16 21:04:27,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-11-16 21:04:27,166 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 21:04:27,166 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 21:04:27,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-16 21:04:27,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 21:04:27,388 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 21:04:27,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 21:04:27,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1846575800, now seen corresponding path program 1 times [2021-11-16 21:04:27,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 21:04:27,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53731198] [2021-11-16 21:04:27,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:04:27,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 21:04:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 21:04:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-16 21:04:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 21:04:27,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-16 21:04:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-16 21:04:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:04:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:04:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 21:04:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-16 21:04:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-16 21:04:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:04:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 21:04:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-16 21:04:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 21:04:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-16 21:04:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-16 21:04:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-16 21:04:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-16 21:04:27,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-16 21:04:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-16 21:04:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-16 21:04:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-16 21:04:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-16 21:04:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-16 21:04:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-16 21:04:27,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-16 21:04:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-16 21:04:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-16 21:04:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-16 21:04:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-16 21:04:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-11-16 21:04:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-16 21:04:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-11-16 21:04:27,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-11-16 21:04:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-11-16 21:04:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-11-16 21:04:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:27,765 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2021-11-16 21:04:27,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 21:04:27,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53731198] [2021-11-16 21:04:27,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53731198] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 21:04:27,766 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689135379] [2021-11-16 21:04:27,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:04:27,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 21:04:27,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 21:04:27,767 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) [2021-11-16 21:04:27,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-16 21:04:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:04:28,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 2563 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-16 21:04:28,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 21:04:28,572 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 364 proven. 47 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2021-11-16 21:04:28,572 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-16 21:04:29,211 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2021-11-16 21:04:29,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689135379] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-16 21:04:29,212 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-16 21:04:29,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 15 [2021-11-16 21:04:29,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616135722] [2021-11-16 21:04:29,212 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-16 21:04:29,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-16 21:04:29,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 21:04:29,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-16 21:04:29,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-11-16 21:04:29,216 INFO L87 Difference]: Start difference. First operand 221 states and 288 transitions. Second operand has 15 states, 15 states have (on average 12.466666666666667) internal successors, (187), 12 states have internal predecessors, (187), 9 states have call successors, (95), 6 states have call predecessors, (95), 5 states have return successors, (89), 9 states have call predecessors, (89), 9 states have call successors, (89) [2021-11-16 21:04:31,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 21:04:31,220 INFO L93 Difference]: Finished difference Result 280 states and 360 transitions. [2021-11-16 21:04:31,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-16 21:04:31,220 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.466666666666667) internal successors, (187), 12 states have internal predecessors, (187), 9 states have call successors, (95), 6 states have call predecessors, (95), 5 states have return successors, (89), 9 states have call predecessors, (89), 9 states have call successors, (89) Word has length 230 [2021-11-16 21:04:31,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 21:04:31,221 INFO L225 Difference]: With dead ends: 280 [2021-11-16 21:04:31,221 INFO L226 Difference]: Without dead ends: 0 [2021-11-16 21:04:31,221 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 543 GetRequests, 524 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2021-11-16 21:04:31,222 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 238 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-16 21:04:31,222 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [238 Valid, 786 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-16 21:04:31,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-16 21:04:31,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-16 21:04:31,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-16 21:04:31,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-16 21:04:31,223 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 230 [2021-11-16 21:04:31,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 21:04:31,223 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-16 21:04:31,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.466666666666667) internal successors, (187), 12 states have internal predecessors, (187), 9 states have call successors, (95), 6 states have call predecessors, (95), 5 states have return successors, (89), 9 states have call predecessors, (89), 9 states have call successors, (89) [2021-11-16 21:04:31,223 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-16 21:04:31,223 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-16 21:04:31,226 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-16 21:04:31,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-16 21:04:31,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 21:04:31,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-16 21:04:31,807 INFO L858 garLoopResultBuilder]: For program point L6944-1(lines 6944 6946) no Hoare annotation was computed. [2021-11-16 21:04:31,807 INFO L854 garLoopResultBuilder]: At program point L6944(lines 6944 6946) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-11-16 21:04:31,807 INFO L854 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6943 6948) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-11-16 21:04:31,807 INFO L858 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6943 6948) no Hoare annotation was computed. [2021-11-16 21:04:31,807 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6943 6948) no Hoare annotation was computed. [2021-11-16 21:04:31,807 INFO L858 garLoopResultBuilder]: For program point L9990-5(line 9990) no Hoare annotation was computed. [2021-11-16 21:04:31,807 INFO L858 garLoopResultBuilder]: For program point L9990-7(line 9990) no Hoare annotation was computed. [2021-11-16 21:04:31,808 INFO L861 garLoopResultBuilder]: At program point aws_hash_table_is_validENTRY(lines 9988 9991) the Hoare annotation is: true [2021-11-16 21:04:31,808 INFO L858 garLoopResultBuilder]: For program point aws_hash_table_is_validEXIT(lines 9988 9991) no Hoare annotation was computed. [2021-11-16 21:04:31,808 INFO L858 garLoopResultBuilder]: For program point L9990-2(line 9990) no Hoare annotation was computed. [2021-11-16 21:04:31,808 INFO L858 garLoopResultBuilder]: For program point L9990-3(line 9990) no Hoare annotation was computed. [2021-11-16 21:04:31,808 INFO L854 garLoopResultBuilder]: At program point L9990-4(line 9990) the Hoare annotation is: (let ((.cse2 (or (= (select (select |#memory_$Pointer$.base| |aws_hash_table_is_valid_#in~map.base|) |aws_hash_table_is_valid_#in~map.offset|) 0) |aws_hash_table_is_valid_#t~short1284|)) (.cse5 (= aws_hash_table_is_valid_~map.offset |aws_hash_table_is_valid_#in~map.offset|)) (.cse6 (= |aws_hash_table_is_valid_#in~map.base| aws_hash_table_is_valid_~map.base))) (or (let ((.cse7 (= (select (select |#memory_$Pointer$.base| aws_hash_table_is_valid_~map.base) aws_hash_table_is_valid_~map.offset) 0)) (.cse1 (= 0 (select (select |#memory_$Pointer$.offset| aws_hash_table_is_valid_~map.base) aws_hash_table_is_valid_~map.offset)))) (let ((.cse0 (or (not .cse7) (not .cse1)))) (and (or (and .cse0 |aws_hash_table_is_valid_#t~short1284|) (and (not |aws_hash_table_is_valid_#t~short1284|) .cse1)) .cse2 (exists ((aws_hash_table_is_valid_~map.base Int) (aws_hash_table_is_valid_~map.offset Int)) (let ((.cse4 (select (select |#memory_$Pointer$.offset| aws_hash_table_is_valid_~map.base) aws_hash_table_is_valid_~map.offset)) (.cse3 (select (select |#memory_$Pointer$.base| aws_hash_table_is_valid_~map.base) aws_hash_table_is_valid_~map.offset))) (and (or (not (= .cse3 0)) (not (= 0 .cse4))) (= |aws_hash_table_is_valid_#t~mem1282.offset| .cse4) (= .cse3 |aws_hash_table_is_valid_#t~mem1282.base|)))) .cse5 .cse6 (or (and (not |aws_hash_table_is_valid_#t~short1281|) .cse7 .cse1) (and .cse0 |aws_hash_table_is_valid_#t~short1281|))))) (not (< 0 |#StackHeapBarrier|)) (and .cse2 (= |aws_hash_table_is_valid_#in~map.base| 0) .cse5 .cse6))) [2021-11-16 21:04:31,808 INFO L858 garLoopResultBuilder]: For program point aws_hash_table_is_validFINAL(lines 9988 9991) no Hoare annotation was computed. [2021-11-16 21:04:31,808 INFO L858 garLoopResultBuilder]: For program point L9990(line 9990) no Hoare annotation was computed. [2021-11-16 21:04:31,808 INFO L861 garLoopResultBuilder]: At program point L9140(line 9140) the Hoare annotation is: true [2021-11-16 21:04:31,808 INFO L861 garLoopResultBuilder]: At program point L9140-1(line 9140) the Hoare annotation is: true [2021-11-16 21:04:31,809 INFO L858 garLoopResultBuilder]: For program point L9140-2(line 9140) no Hoare annotation was computed. [2021-11-16 21:04:31,809 INFO L861 garLoopResultBuilder]: At program point L9640-3(line 9640) the Hoare annotation is: true [2021-11-16 21:04:31,809 INFO L858 garLoopResultBuilder]: For program point L9640-4(line 9640) no Hoare annotation was computed. [2021-11-16 21:04:31,809 INFO L861 garLoopResultBuilder]: At program point L9640-5(lines 9603 9641) the Hoare annotation is: true [2021-11-16 21:04:31,809 INFO L858 garLoopResultBuilder]: For program point L9640-6(lines 9603 9641) no Hoare annotation was computed. [2021-11-16 21:04:31,809 INFO L858 garLoopResultBuilder]: For program point L9640(line 9640) no Hoare annotation was computed. [2021-11-16 21:04:31,809 INFO L858 garLoopResultBuilder]: For program point L9640-1(line 9640) no Hoare annotation was computed. [2021-11-16 21:04:31,809 INFO L861 garLoopResultBuilder]: At program point L9604(line 9604) the Hoare annotation is: true [2021-11-16 21:04:31,809 INFO L861 garLoopResultBuilder]: At program point L9604-1(line 9604) the Hoare annotation is: true [2021-11-16 21:04:31,809 INFO L858 garLoopResultBuilder]: For program point L9604-2(line 9604) no Hoare annotation was computed. [2021-11-16 21:04:31,809 INFO L858 garLoopResultBuilder]: For program point L9629(lines 9629 9631) no Hoare annotation was computed. [2021-11-16 21:04:31,809 INFO L858 garLoopResultBuilder]: For program point L9142-1(line 9142) no Hoare annotation was computed. [2021-11-16 21:04:31,809 INFO L858 garLoopResultBuilder]: For program point L9621(lines 9621 9623) no Hoare annotation was computed. [2021-11-16 21:04:31,809 INFO L861 garLoopResultBuilder]: At program point L9142-2(line 9142) the Hoare annotation is: true [2021-11-16 21:04:31,809 INFO L858 garLoopResultBuilder]: For program point L9142-3(line 9142) no Hoare annotation was computed. [2021-11-16 21:04:31,809 INFO L861 garLoopResultBuilder]: At program point L9142-5(line 9142) the Hoare annotation is: true [2021-11-16 21:04:31,809 INFO L858 garLoopResultBuilder]: For program point L9142-6(line 9142) no Hoare annotation was computed. [2021-11-16 21:04:31,809 INFO L861 garLoopResultBuilder]: At program point s_remove_entryENTRY(lines 9603 9641) the Hoare annotation is: true [2021-11-16 21:04:31,809 INFO L861 garLoopResultBuilder]: At program point L9617-2(lines 9617 9636) the Hoare annotation is: true [2021-11-16 21:04:31,809 INFO L861 garLoopResultBuilder]: At program point L9142-8(line 9142) the Hoare annotation is: true [2021-11-16 21:04:31,809 INFO L861 garLoopResultBuilder]: At program point L9605(line 9605) the Hoare annotation is: true [2021-11-16 21:04:31,809 INFO L858 garLoopResultBuilder]: For program point L9605-1(line 9605) no Hoare annotation was computed. [2021-11-16 21:04:31,809 INFO L861 garLoopResultBuilder]: At program point L9139(lines 9139 9143) the Hoare annotation is: true [2021-11-16 21:04:31,809 INFO L858 garLoopResultBuilder]: For program point s_remove_entryEXIT(lines 9603 9641) no Hoare annotation was computed. [2021-11-16 21:04:31,809 INFO L861 garLoopResultBuilder]: At program point L9639-2(lines 9603 9641) the Hoare annotation is: true [2021-11-16 21:04:31,809 INFO L861 garLoopResultBuilder]: At program point L9606-2(line 9606) the Hoare annotation is: true [2021-11-16 21:04:31,810 INFO L858 garLoopResultBuilder]: For program point L9606-3(line 9606) no Hoare annotation was computed. [2021-11-16 21:04:31,810 INFO L858 garLoopResultBuilder]: For program point L9639(line 9639) no Hoare annotation was computed. [2021-11-16 21:04:31,810 INFO L858 garLoopResultBuilder]: For program point L9606(line 9606) no Hoare annotation was computed. [2021-11-16 21:04:31,810 INFO L858 garLoopResultBuilder]: For program point L9639-1(line 9639) no Hoare annotation was computed. [2021-11-16 21:04:31,810 INFO L858 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2021-11-16 21:04:31,810 INFO L858 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2021-11-16 21:04:31,810 INFO L861 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2021-11-16 21:04:31,810 INFO L861 garLoopResultBuilder]: At program point L10108(line 10108) the Hoare annotation is: true [2021-11-16 21:04:31,810 INFO L854 garLoopResultBuilder]: At program point hash_table_state_required_bytesENTRY(lines 10101 10113) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2021-11-16 21:04:31,810 INFO L858 garLoopResultBuilder]: For program point L10108-1(line 10108) no Hoare annotation was computed. [2021-11-16 21:04:31,810 INFO L858 garLoopResultBuilder]: For program point L10108-2(lines 10108 10110) no Hoare annotation was computed. [2021-11-16 21:04:31,810 INFO L854 garLoopResultBuilder]: At program point L10104(line 10104) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (= ~tl_last_error~0 |old(~tl_last_error~0)|)) [2021-11-16 21:04:31,810 INFO L858 garLoopResultBuilder]: For program point L10104-1(line 10104) no Hoare annotation was computed. [2021-11-16 21:04:31,810 INFO L858 garLoopResultBuilder]: For program point hash_table_state_required_bytesEXIT(lines 10101 10113) no Hoare annotation was computed. [2021-11-16 21:04:31,810 INFO L858 garLoopResultBuilder]: For program point L10104-2(lines 10104 10106) no Hoare annotation was computed. [2021-11-16 21:04:31,810 INFO L858 garLoopResultBuilder]: For program point hash_table_state_required_bytesFINAL(lines 10101 10113) no Hoare annotation was computed. [2021-11-16 21:04:31,810 INFO L858 garLoopResultBuilder]: For program point L10075(lines 10075 10088) no Hoare annotation was computed. [2021-11-16 21:04:31,810 INFO L858 garLoopResultBuilder]: For program point L10079(line 10079) no Hoare annotation was computed. [2021-11-16 21:04:31,810 INFO L858 garLoopResultBuilder]: For program point L10069(lines 10069 10073) no Hoare annotation was computed. [2021-11-16 21:04:31,810 INFO L861 garLoopResultBuilder]: At program point aws_hash_iter_is_validENTRY(lines 10052 10093) the Hoare annotation is: true [2021-11-16 21:04:31,810 INFO L858 garLoopResultBuilder]: For program point L10059(lines 10059 10063) no Hoare annotation was computed. [2021-11-16 21:04:31,810 INFO L858 garLoopResultBuilder]: For program point L10082(lines 10082 10083) no Hoare annotation was computed. [2021-11-16 21:04:31,810 INFO L858 garLoopResultBuilder]: For program point L10076(line 10076) no Hoare annotation was computed. [2021-11-16 21:04:31,810 INFO L858 garLoopResultBuilder]: For program point L10082-2(lines 10082 10083) no Hoare annotation was computed. [2021-11-16 21:04:31,810 INFO L858 garLoopResultBuilder]: For program point aws_hash_iter_is_validEXIT(lines 10052 10093) no Hoare annotation was computed. [2021-11-16 21:04:31,811 INFO L854 garLoopResultBuilder]: At program point L10064(line 10064) the Hoare annotation is: (or (and (= |aws_hash_iter_is_valid_#in~iter.base| 0) (= aws_hash_iter_is_valid_~iter.base |aws_hash_iter_is_valid_#in~iter.base|)) (not (< 0 |#StackHeapBarrier|))) [2021-11-16 21:04:31,811 INFO L858 garLoopResultBuilder]: For program point L10064-1(lines 10064 10068) no Hoare annotation was computed. [2021-11-16 21:04:31,811 INFO L858 garLoopResultBuilder]: For program point L10085(line 10085) no Hoare annotation was computed. [2021-11-16 21:04:31,811 INFO L858 garLoopResultBuilder]: For program point L10087-2(line 10087) no Hoare annotation was computed. [2021-11-16 21:04:31,811 INFO L858 garLoopResultBuilder]: For program point aws_hash_iter_is_validFINAL(lines 10052 10093) no Hoare annotation was computed. [2021-11-16 21:04:31,811 INFO L858 garLoopResultBuilder]: For program point L10087(line 10087) no Hoare annotation was computed. [2021-11-16 21:04:31,811 INFO L858 garLoopResultBuilder]: For program point L10054(lines 10054 10058) no Hoare annotation was computed. [2021-11-16 21:04:31,811 INFO L858 garLoopResultBuilder]: For program point aws_mul_size_checkedEXIT(lines 2586 2594) no Hoare annotation was computed. [2021-11-16 21:04:31,811 INFO L858 garLoopResultBuilder]: For program point L2498-1(lines 2498 2499) no Hoare annotation was computed. [2021-11-16 21:04:31,811 INFO L858 garLoopResultBuilder]: For program point aws_mul_size_checkedFINAL(lines 2586 2594) no Hoare annotation was computed. [2021-11-16 21:04:31,811 INFO L854 garLoopResultBuilder]: At program point aws_mul_size_checkedENTRY(lines 2586 2594) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2021-11-16 21:04:31,811 INFO L861 garLoopResultBuilder]: At program point L2501(lines 2497 2502) the Hoare annotation is: true [2021-11-16 21:04:31,811 INFO L854 garLoopResultBuilder]: At program point L2498(line 2498) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2021-11-16 21:04:31,811 INFO L858 garLoopResultBuilder]: For program point L2499-1(line 2499) no Hoare annotation was computed. [2021-11-16 21:04:31,811 INFO L854 garLoopResultBuilder]: At program point L2499(line 2499) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (= ~tl_last_error~0 |old(~tl_last_error~0)|)) [2021-11-16 21:04:31,811 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2021-11-16 21:04:31,811 INFO L861 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2021-11-16 21:04:31,811 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2021-11-16 21:04:31,811 INFO L858 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2021-11-16 21:04:31,811 INFO L861 garLoopResultBuilder]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: true [2021-11-16 21:04:31,811 INFO L858 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2021-11-16 21:04:31,811 INFO L858 garLoopResultBuilder]: For program point L6852(line 6852) no Hoare annotation was computed. [2021-11-16 21:04:31,811 INFO L854 garLoopResultBuilder]: At program point __CPROVER_overflow_plusENTRY(lines 248 251) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-11-16 21:04:31,811 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_plusFINAL(lines 248 251) no Hoare annotation was computed. [2021-11-16 21:04:31,812 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_plusEXIT(lines 248 251) no Hoare annotation was computed. [2021-11-16 21:04:31,812 INFO L861 garLoopResultBuilder]: At program point hash_table_state_is_validENTRY(lines 9999 10046) the Hoare annotation is: true [2021-11-16 21:04:31,812 INFO L861 garLoopResultBuilder]: At program point L10027(line 10027) the Hoare annotation is: true [2021-11-16 21:04:31,812 INFO L858 garLoopResultBuilder]: For program point L10027-1(line 10027) no Hoare annotation was computed. [2021-11-16 21:04:31,812 INFO L858 garLoopResultBuilder]: For program point hash_table_state_is_validEXIT(lines 9999 10046) no Hoare annotation was computed. [2021-11-16 21:04:31,812 INFO L858 garLoopResultBuilder]: For program point L10001(lines 10001 10005) no Hoare annotation was computed. [2021-11-16 21:04:31,812 INFO L858 garLoopResultBuilder]: For program point hash_table_state_is_validFINAL(lines 9999 10046) no Hoare annotation was computed. [2021-11-16 21:04:31,812 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2021-11-16 21:04:31,812 INFO L861 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-11-16 21:04:31,812 INFO L861 garLoopResultBuilder]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2021-11-16 21:04:31,812 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2021-11-16 21:04:31,812 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2021-11-16 21:04:31,812 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-11-16 21:04:31,812 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-16 21:04:31,812 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-11-16 21:04:31,812 INFO L854 garLoopResultBuilder]: At program point aws_raise_errorENTRY(lines 1988 1999) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (= ~tl_last_error~0 |old(~tl_last_error~0)|)) [2021-11-16 21:04:31,812 INFO L858 garLoopResultBuilder]: For program point aws_raise_errorFINAL(lines 1988 1999) no Hoare annotation was computed. [2021-11-16 21:04:31,812 INFO L858 garLoopResultBuilder]: For program point L7385(lines 7385 7387) no Hoare annotation was computed. [2021-11-16 21:04:31,812 INFO L858 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2021-11-16 21:04:31,812 INFO L854 garLoopResultBuilder]: At program point __CPROVER_overflow_multENTRY(lines 253 256) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-11-16 21:04:31,812 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_multEXIT(lines 253 256) no Hoare annotation was computed. [2021-11-16 21:04:31,812 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_multFINAL(lines 253 256) no Hoare annotation was computed. [2021-11-16 21:04:31,812 INFO L858 garLoopResultBuilder]: For program point aws_is_power_of_twoFINAL(lines 2626 2631) no Hoare annotation was computed. [2021-11-16 21:04:31,812 INFO L858 garLoopResultBuilder]: For program point aws_is_power_of_twoEXIT(lines 2626 2631) no Hoare annotation was computed. [2021-11-16 21:04:31,812 INFO L861 garLoopResultBuilder]: At program point aws_is_power_of_twoENTRY(lines 2626 2631) the Hoare annotation is: true [2021-11-16 21:04:31,812 INFO L861 garLoopResultBuilder]: At program point L2545(lines 2541 2546) the Hoare annotation is: true [2021-11-16 21:04:31,812 INFO L854 garLoopResultBuilder]: At program point aws_add_size_checkedENTRY(lines 2613 2621) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2021-11-16 21:04:31,813 INFO L854 garLoopResultBuilder]: At program point L2542(line 2542) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2021-11-16 21:04:31,813 INFO L858 garLoopResultBuilder]: For program point L2543-1(line 2543) no Hoare annotation was computed. [2021-11-16 21:04:31,813 INFO L854 garLoopResultBuilder]: At program point L2543(line 2543) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (= ~tl_last_error~0 |old(~tl_last_error~0)|)) [2021-11-16 21:04:31,813 INFO L858 garLoopResultBuilder]: For program point L2542-1(lines 2542 2543) no Hoare annotation was computed. [2021-11-16 21:04:31,813 INFO L858 garLoopResultBuilder]: For program point aws_add_size_checkedFINAL(lines 2613 2621) no Hoare annotation was computed. [2021-11-16 21:04:31,813 INFO L858 garLoopResultBuilder]: For program point aws_add_size_checkedEXIT(lines 2613 2621) no Hoare annotation was computed. [2021-11-16 21:04:31,813 INFO L858 garLoopResultBuilder]: For program point L9883(lines 9883 9885) no Hoare annotation was computed. [2021-11-16 21:04:31,813 INFO L861 garLoopResultBuilder]: At program point L9887(line 9887) the Hoare annotation is: true [2021-11-16 21:04:31,813 INFO L858 garLoopResultBuilder]: For program point L9887-1(line 9887) no Hoare annotation was computed. [2021-11-16 21:04:31,813 INFO L858 garLoopResultBuilder]: For program point L9883-2(lines 9883 9885) no Hoare annotation was computed. [2021-11-16 21:04:31,813 INFO L861 garLoopResultBuilder]: At program point L9900(line 9900) the Hoare annotation is: true [2021-11-16 21:04:31,813 INFO L858 garLoopResultBuilder]: For program point L9900-1(line 9900) no Hoare annotation was computed. [2021-11-16 21:04:31,813 INFO L858 garLoopResultBuilder]: For program point L9892(line 9892) no Hoare annotation was computed. [2021-11-16 21:04:31,813 INFO L858 garLoopResultBuilder]: For program point L9892-2(lines 9892 9894) no Hoare annotation was computed. [2021-11-16 21:04:31,813 INFO L861 garLoopResultBuilder]: At program point L9884(line 9884) the Hoare annotation is: true [2021-11-16 21:04:31,813 INFO L858 garLoopResultBuilder]: For program point aws_hash_iter_deleteFINAL(lines 9871 9904) no Hoare annotation was computed. [2021-11-16 21:04:31,813 INFO L858 garLoopResultBuilder]: For program point L9884-1(line 9884) no Hoare annotation was computed. [2021-11-16 21:04:31,813 INFO L858 garLoopResultBuilder]: For program point L9892-4(lines 9892 9894) no Hoare annotation was computed. [2021-11-16 21:04:31,813 INFO L861 garLoopResultBuilder]: At program point L9876(line 9876) the Hoare annotation is: true [2021-11-16 21:04:31,813 INFO L861 garLoopResultBuilder]: At program point L9876-1(line 9876) the Hoare annotation is: true [2021-11-16 21:04:31,813 INFO L858 garLoopResultBuilder]: For program point L9876-2(line 9876) no Hoare annotation was computed. [2021-11-16 21:04:31,813 INFO L861 garLoopResultBuilder]: At program point aws_hash_iter_deleteENTRY(lines 9871 9904) the Hoare annotation is: true [2021-11-16 21:04:31,813 INFO L858 garLoopResultBuilder]: For program point aws_hash_iter_deleteEXIT(lines 9871 9904) no Hoare annotation was computed. [2021-11-16 21:04:31,813 INFO L861 garLoopResultBuilder]: At program point L9877(line 9877) the Hoare annotation is: true [2021-11-16 21:04:31,813 INFO L858 garLoopResultBuilder]: For program point L9877-1(line 9877) no Hoare annotation was computed. [2021-11-16 21:04:31,813 INFO L858 garLoopResultBuilder]: For program point L9882(lines 9882 9889) no Hoare annotation was computed. [2021-11-16 21:04:31,814 INFO L858 garLoopResultBuilder]: For program point L9886(lines 9886 9888) no Hoare annotation was computed. [2021-11-16 21:04:31,814 INFO L861 garLoopResultBuilder]: At program point L9874(line 9874) the Hoare annotation is: true [2021-11-16 21:04:31,814 INFO L858 garLoopResultBuilder]: For program point L9882-1(lines 9882 9889) no Hoare annotation was computed. [2021-11-16 21:04:31,814 INFO L858 garLoopResultBuilder]: For program point L9903-2(line 9903) no Hoare annotation was computed. [2021-11-16 21:04:31,814 INFO L858 garLoopResultBuilder]: For program point L9874-1(line 9874) no Hoare annotation was computed. [2021-11-16 21:04:31,814 INFO L861 garLoopResultBuilder]: At program point L9903(line 9903) the Hoare annotation is: true [2021-11-16 21:04:31,814 INFO L861 garLoopResultBuilder]: At program point L9903-1(line 9903) the Hoare annotation is: true [2021-11-16 21:04:31,814 INFO L861 garLoopResultBuilder]: At program point L9891(line 9891) the Hoare annotation is: true [2021-11-16 21:04:31,814 INFO L858 garLoopResultBuilder]: For program point L9891-1(line 9891) no Hoare annotation was computed. [2021-11-16 21:04:31,814 INFO L858 garLoopResultBuilder]: For program point L6815-1(line 6815) no Hoare annotation was computed. [2021-11-16 21:04:31,814 INFO L854 garLoopResultBuilder]: At program point L6815(line 6815) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-16 21:04:31,814 INFO L854 garLoopResultBuilder]: At program point L6811-1(line 6811) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-16 21:04:31,814 INFO L854 garLoopResultBuilder]: At program point L6811(line 6811) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-16 21:04:31,814 INFO L858 garLoopResultBuilder]: For program point L6815-3(line 6815) no Hoare annotation was computed. [2021-11-16 21:04:31,814 INFO L854 garLoopResultBuilder]: At program point L6815-2(line 6815) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-16 21:04:31,814 INFO L858 garLoopResultBuilder]: For program point L6840-1(line 6840) no Hoare annotation was computed. [2021-11-16 21:04:31,814 INFO L854 garLoopResultBuilder]: At program point L6840(line 6840) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) 0)) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-16 21:04:31,814 INFO L854 garLoopResultBuilder]: At program point L10131(line 10131) the Hoare annotation is: false [2021-11-16 21:04:31,814 INFO L858 garLoopResultBuilder]: For program point L10131-1(line 10131) no Hoare annotation was computed. [2021-11-16 21:04:31,814 INFO L854 garLoopResultBuilder]: At program point L10127(line 10127) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (< 1 |ULTIMATE.start_aws_hash_iter_delete_harness_~#iter~2#1.base|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-16 21:04:31,814 INFO L858 garLoopResultBuilder]: For program point L10127-1(line 10127) no Hoare annotation was computed. [2021-11-16 21:04:31,814 INFO L854 garLoopResultBuilder]: At program point L10119-2(line 10119) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) 0)) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-16 21:04:31,814 INFO L858 garLoopResultBuilder]: For program point L10119-3(line 10119) no Hoare annotation was computed. [2021-11-16 21:04:31,815 INFO L858 garLoopResultBuilder]: For program point L10119(line 10119) no Hoare annotation was computed. [2021-11-16 21:04:31,815 INFO L858 garLoopResultBuilder]: For program point L6816-1(line 6816) no Hoare annotation was computed. [2021-11-16 21:04:31,815 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-16 21:04:31,815 INFO L854 garLoopResultBuilder]: At program point L6816(line 6816) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-16 21:04:31,815 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-16 21:04:31,815 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-16 21:04:31,815 INFO L858 garLoopResultBuilder]: For program point L6812-1(line 6812) no Hoare annotation was computed. [2021-11-16 21:04:31,815 INFO L854 garLoopResultBuilder]: At program point L6812(line 6812) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-16 21:04:31,815 INFO L854 garLoopResultBuilder]: At program point L10132(line 10132) the Hoare annotation is: false [2021-11-16 21:04:31,820 INFO L858 garLoopResultBuilder]: For program point L6841-1(line 6841) no Hoare annotation was computed. [2021-11-16 21:04:31,821 INFO L854 garLoopResultBuilder]: At program point L10132-1(line 10132) the Hoare annotation is: false [2021-11-16 21:04:31,821 INFO L854 garLoopResultBuilder]: At program point L6841(line 6841) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) 0)) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-16 21:04:31,821 INFO L858 garLoopResultBuilder]: For program point L10132-2(line 10132) no Hoare annotation was computed. [2021-11-16 21:04:31,821 INFO L854 garLoopResultBuilder]: At program point L6833(lines 6831 6834) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-16 21:04:31,821 INFO L854 garLoopResultBuilder]: At program point L10128(line 10128) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (< 1 |ULTIMATE.start_aws_hash_iter_delete_harness_~#iter~2#1.base|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-16 21:04:31,821 INFO L854 garLoopResultBuilder]: At program point L10128-1(line 10128) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= 0 |ULTIMATE.start_aws_hash_iter_delete_harness_#t~ret1341#1|) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|)) [2021-11-16 21:04:31,821 INFO L858 garLoopResultBuilder]: For program point L10128-2(line 10128) no Hoare annotation was computed. [2021-11-16 21:04:31,821 INFO L858 garLoopResultBuilder]: For program point L10120-3(line 10120) no Hoare annotation was computed. [2021-11-16 21:04:31,822 INFO L858 garLoopResultBuilder]: For program point L10120(line 10120) no Hoare annotation was computed. [2021-11-16 21:04:31,822 INFO L854 garLoopResultBuilder]: At program point L10120-2(line 10120) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) 0)) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-16 21:04:31,822 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-16 21:04:31,822 INFO L858 garLoopResultBuilder]: For program point L6809(lines 6809 6819) no Hoare annotation was computed. [2021-11-16 21:04:31,822 INFO L854 garLoopResultBuilder]: At program point L6810(line 6810) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-16 21:04:31,822 INFO L854 garLoopResultBuilder]: At program point L6843(lines 6837 6844) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-16 21:04:31,822 INFO L858 garLoopResultBuilder]: For program point L6839-1(line 6839) no Hoare annotation was computed. [2021-11-16 21:04:31,822 INFO L854 garLoopResultBuilder]: At program point L6839(line 6839) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) 0)) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-16 21:04:31,822 INFO L858 garLoopResultBuilder]: For program point L6810-1(line 6810) no Hoare annotation was computed. [2021-11-16 21:04:31,823 INFO L854 garLoopResultBuilder]: At program point L10130(line 10130) the Hoare annotation is: false [2021-11-16 21:04:31,823 INFO L861 garLoopResultBuilder]: At program point L10134(line 10134) the Hoare annotation is: true [2021-11-16 21:04:31,823 INFO L854 garLoopResultBuilder]: At program point L10122(line 10122) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-16 21:04:31,823 INFO L854 garLoopResultBuilder]: At program point L10130-1(line 10130) the Hoare annotation is: false [2021-11-16 21:04:31,823 INFO L858 garLoopResultBuilder]: For program point L10130-2(line 10130) no Hoare annotation was computed. [2021-11-16 21:04:31,823 INFO L854 garLoopResultBuilder]: At program point L10118-1(line 10118) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) 0)) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-16 21:04:31,823 INFO L858 garLoopResultBuilder]: For program point L10118-2(line 10118) no Hoare annotation was computed. [2021-11-16 21:04:31,823 INFO L858 garLoopResultBuilder]: For program point L10114(lines 10114 10133) no Hoare annotation was computed. [2021-11-16 21:04:31,823 INFO L858 garLoopResultBuilder]: For program point L10122-1(line 10122) no Hoare annotation was computed. [2021-11-16 21:04:31,824 INFO L854 garLoopResultBuilder]: At program point L10118(line 10118) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) 0)) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-16 21:04:31,824 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-16 21:04:31,824 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-11-16 21:04:31,824 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-16 21:04:31,824 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-11-16 21:04:31,824 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-11-16 21:04:31,824 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-16 21:04:31,827 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-16 21:04:31,828 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-16 21:04:31,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 09:04:31 BoogieIcfgContainer [2021-11-16 21:04:31,840 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-16 21:04:31,841 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-16 21:04:31,841 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-16 21:04:31,841 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-16 21:04:31,842 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 09:04:04" (3/4) ... [2021-11-16 21:04:31,844 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-16 21:04:31,848 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-11-16 21:04:31,848 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_table_is_valid [2021-11-16 21:04:31,848 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure hash_table_state_is_valid [2021-11-16 21:04:31,848 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2021-11-16 21:04:31,848 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure s_remove_entry [2021-11-16 21:04:31,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-11-16 21:04:31,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure hash_table_state_required_bytes [2021-11-16 21:04:31,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-16 21:04:31,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2021-11-16 21:04:31,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2021-11-16 21:04:31,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_is_power_of_two [2021-11-16 21:04:31,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_iter_is_valid [2021-11-16 21:04:31,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_add_size_checked [2021-11-16 21:04:31,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2021-11-16 21:04:31,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2021-11-16 21:04:31,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2021-11-16 21:04:31,850 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_iter_delete [2021-11-16 21:04:31,850 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-16 21:04:31,850 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_plus [2021-11-16 21:04:31,864 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 161 nodes and edges [2021-11-16 21:04:31,866 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 75 nodes and edges [2021-11-16 21:04:31,867 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2021-11-16 21:04:31,867 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-16 21:04:31,868 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-16 21:04:31,869 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-16 21:04:31,870 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-16 21:04:31,870 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-16 21:04:32,400 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-11-16 21:04:32,400 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-16 21:04:32,401 INFO L158 Benchmark]: Toolchain (without parser) took 31303.58ms. Allocated memory was 83.9MB in the beginning and 375.4MB in the end (delta: 291.5MB). Free memory was 54.3MB in the beginning and 140.8MB in the end (delta: -86.4MB). Peak memory consumption was 279.7MB. Max. memory is 16.1GB. [2021-11-16 21:04:32,401 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 83.9MB. Free memory was 55.2MB in the beginning and 55.2MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-16 21:04:32,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2024.42ms. Allocated memory was 83.9MB in the beginning and 153.1MB in the end (delta: 69.2MB). Free memory was 54.3MB in the beginning and 97.5MB in the end (delta: -43.1MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. [2021-11-16 21:04:32,401 INFO L158 Benchmark]: Boogie Procedure Inliner took 156.80ms. Allocated memory is still 153.1MB. Free memory was 97.5MB in the beginning and 86.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-16 21:04:32,402 INFO L158 Benchmark]: Boogie Preprocessor took 94.84ms. Allocated memory is still 153.1MB. Free memory was 86.6MB in the beginning and 78.6MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-16 21:04:32,402 INFO L158 Benchmark]: RCFGBuilder took 1097.69ms. Allocated memory is still 153.1MB. Free memory was 78.6MB in the beginning and 56.8MB in the end (delta: 21.8MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2021-11-16 21:04:32,402 INFO L158 Benchmark]: TraceAbstraction took 27366.39ms. Allocated memory was 153.1MB in the beginning and 375.4MB in the end (delta: 222.3MB). Free memory was 56.8MB in the beginning and 250.6MB in the end (delta: -193.9MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2021-11-16 21:04:32,402 INFO L158 Benchmark]: Witness Printer took 558.97ms. Allocated memory is still 375.4MB. Free memory was 250.6MB in the beginning and 140.8MB in the end (delta: 109.8MB). Peak memory consumption was 184.3MB. Max. memory is 16.1GB. [2021-11-16 21:04:32,403 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 83.9MB. Free memory was 55.2MB in the beginning and 55.2MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2024.42ms. Allocated memory was 83.9MB in the beginning and 153.1MB in the end (delta: 69.2MB). Free memory was 54.3MB in the beginning and 97.5MB in the end (delta: -43.1MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 156.80ms. Allocated memory is still 153.1MB. Free memory was 97.5MB in the beginning and 86.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.84ms. Allocated memory is still 153.1MB. Free memory was 86.6MB in the beginning and 78.6MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1097.69ms. Allocated memory is still 153.1MB. Free memory was 78.6MB in the beginning and 56.8MB in the end (delta: 21.8MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. * TraceAbstraction took 27366.39ms. Allocated memory was 153.1MB in the beginning and 375.4MB in the end (delta: 222.3MB). Free memory was 56.8MB in the beginning and 250.6MB in the end (delta: -193.9MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * Witness Printer took 558.97ms. Allocated memory is still 375.4MB. Free memory was 250.6MB in the beginning and 140.8MB in the end (delta: 109.8MB). Peak memory consumption was 184.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 210 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 27.3s, OverallIterations: 7, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 870 SdHoareTripleChecker+Valid, 10.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 818 mSDsluCounter, 6139 SdHoareTripleChecker+Invalid, 10.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 398 IncrementalHoareTripleChecker+Unchecked, 4559 mSDsCounter, 456 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2781 IncrementalHoareTripleChecker+Invalid, 3635 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 456 mSolverCounterUnsat, 1580 mSDtfsCounter, 2781 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1695 GetRequests, 1618 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 7.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=221occurred in iteration=6, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 29 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 82 LocationsWithAnnotation, 605 PreInvPairs, 631 NumberOfFragments, 756 HoareAnnotationTreeSize, 605 FomulaSimplifications, 35 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 82 FomulaSimplificationsInter, 1142 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 11.9s InterpolantComputationTime, 2339 NumberOfCodeBlocks, 2339 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2357 ConstructedInterpolants, 5 QuantifiedInterpolants, 3531 SizeOfPredicates, 15 NumberOfNonLiveVariables, 12413 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 7655/7737 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6831]: Loop Invariant Derived loop invariant: ((!(map == 0) && map == map) && map == map) && 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 9139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6837]: Loop Invariant Derived loop invariant: ((!(map == 0) && map == map) && map == map) && 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 10134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2497]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9142]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9617]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-16 21:04:32,448 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE