./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_front_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_array_list_front_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 fab77e35ee9737971bef4cfaab645b79b32b241c77e037d17af53d4cd9996d59 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-16 20:01:31,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-16 20:01:31,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-16 20:01:31,759 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-16 20:01:31,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-16 20:01:31,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-16 20:01:31,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-16 20:01:31,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-16 20:01:31,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-16 20:01:31,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-16 20:01:31,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-16 20:01:31,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-16 20:01:31,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-16 20:01:31,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-16 20:01:31,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-16 20:01:31,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-16 20:01:31,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-16 20:01:31,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-16 20:01:31,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-16 20:01:31,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-16 20:01:31,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-16 20:01:31,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-16 20:01:31,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-16 20:01:31,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-16 20:01:31,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-16 20:01:31,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-16 20:01:31,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-16 20:01:31,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-16 20:01:31,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-16 20:01:31,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-16 20:01:31,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-16 20:01:31,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-16 20:01:31,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-16 20:01:31,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-16 20:01:31,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-16 20:01:31,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-16 20:01:31,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-16 20:01:31,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-16 20:01:31,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-16 20:01:31,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-16 20:01:31,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-16 20:01:31,782 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-16 20:01:31,802 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-16 20:01:31,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-16 20:01:31,803 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-16 20:01:31,803 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-16 20:01:31,804 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-16 20:01:31,804 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-16 20:01:31,805 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-16 20:01:31,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-16 20:01:31,805 INFO L138 SettingsManager]: * Use SBE=true [2021-11-16 20:01:31,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-16 20:01:31,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-16 20:01:31,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-16 20:01:31,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-16 20:01:31,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-16 20:01:31,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-16 20:01:31,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-16 20:01:31,807 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-16 20:01:31,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-16 20:01:31,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-16 20:01:31,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-16 20:01:31,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-16 20:01:31,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-16 20:01:31,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-16 20:01:31,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-16 20:01:31,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-16 20:01:31,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-16 20:01:31,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-16 20:01:31,809 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-16 20:01:31,809 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-16 20:01:31,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-16 20:01:31,809 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-16 20:01:31,809 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fab77e35ee9737971bef4cfaab645b79b32b241c77e037d17af53d4cd9996d59 [2021-11-16 20:01:31,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-16 20:01:32,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-16 20:01:32,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-16 20:01:32,025 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-16 20:01:32,025 INFO L275 PluginConnector]: CDTParser initialized [2021-11-16 20:01:32,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i [2021-11-16 20:01:32,073 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ef69d8eb/6da6a78568b54e59a8e00308705ab053/FLAG9452f30dc [2021-11-16 20:01:32,556 INFO L306 CDTParser]: Found 1 translation units. [2021-11-16 20:01:32,557 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i [2021-11-16 20:01:32,593 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ef69d8eb/6da6a78568b54e59a8e00308705ab053/FLAG9452f30dc [2021-11-16 20:01:32,810 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ef69d8eb/6da6a78568b54e59a8e00308705ab053 [2021-11-16 20:01:32,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-16 20:01:32,816 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-16 20:01:32,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-16 20:01:32,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-16 20:01:32,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-16 20:01:32,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:01:32" (1/1) ... [2021-11-16 20:01:32,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32de6242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:32, skipping insertion in model container [2021-11-16 20:01:32,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:01:32" (1/1) ... [2021-11-16 20:01:32,827 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-16 20:01:32,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-16 20:01:33,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4494,4507] [2021-11-16 20:01:33,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4554,4567] [2021-11-16 20:01:33,111 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-16 20:01:33,116 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-16 20:01:33,550 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-16 20:01:33,610 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:33,611 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:33,613 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:33,613 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:33,614 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:33,626 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:33,626 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:33,628 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:33,629 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:33,629 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:33,631 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:33,632 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:33,632 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:33,812 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-16 20:01:33,813 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-16 20:01:33,814 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-16 20:01:33,814 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-16 20:01:33,815 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-16 20:01:33,816 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-16 20:01:33,817 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-16 20:01:33,817 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-16 20:01:33,817 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-16 20:01:33,818 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-16 20:01:33,900 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:33,903 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:33,935 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-16 20:01:33,953 INFO L203 MainTranslator]: Completed pre-run [2021-11-16 20:01:33,963 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4494,4507] [2021-11-16 20:01:33,963 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4554,4567] [2021-11-16 20:01:33,965 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-16 20:01:33,965 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-16 20:01:33,996 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-16 20:01:34,017 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:34,018 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:34,018 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:34,018 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:34,019 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:34,022 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:34,022 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:34,027 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:34,027 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:34,029 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:34,030 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:34,031 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:34,034 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:34,071 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-16 20:01:34,072 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-16 20:01:34,073 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-16 20:01:34,073 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-16 20:01:34,074 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-16 20:01:34,075 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-16 20:01:34,076 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-16 20:01:34,076 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-16 20:01:34,076 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-16 20:01:34,077 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-16 20:01:34,109 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:34,111 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:34,125 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-16 20:01:34,248 INFO L208 MainTranslator]: Completed translation [2021-11-16 20:01:34,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:34 WrapperNode [2021-11-16 20:01:34,248 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-16 20:01:34,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-16 20:01:34,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-16 20:01:34,249 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-16 20:01:34,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:34" (1/1) ... [2021-11-16 20:01:34,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:34" (1/1) ... [2021-11-16 20:01:34,400 INFO L137 Inliner]: procedures = 693, calls = 1692, calls flagged for inlining = 54, calls inlined = 9, statements flattened = 664 [2021-11-16 20:01:34,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-16 20:01:34,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-16 20:01:34,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-16 20:01:34,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-16 20:01:34,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:34" (1/1) ... [2021-11-16 20:01:34,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:34" (1/1) ... [2021-11-16 20:01:34,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:34" (1/1) ... [2021-11-16 20:01:34,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:34" (1/1) ... [2021-11-16 20:01:34,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:34" (1/1) ... [2021-11-16 20:01:34,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:34" (1/1) ... [2021-11-16 20:01:34,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:34" (1/1) ... [2021-11-16 20:01:34,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-16 20:01:34,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-16 20:01:34,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-16 20:01:34,471 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-16 20:01:34,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:34" (1/1) ... [2021-11-16 20:01:34,490 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-16 20:01:34,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 20:01:34,508 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 20:01:34,525 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 20:01:34,536 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-16 20:01:34,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-16 20:01:34,536 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-11-16 20:01:34,537 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-11-16 20:01:34,537 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-11-16 20:01:34,537 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-11-16 20:01:34,537 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-16 20:01:34,537 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-16 20:01:34,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-16 20:01:34,537 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-16 20:01:34,537 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-16 20:01:34,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-16 20:01:34,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-16 20:01:34,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-16 20:01:34,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-16 20:01:34,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-16 20:01:34,538 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2021-11-16 20:01:34,538 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2021-11-16 20:01:34,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-16 20:01:34,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-16 20:01:34,539 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-16 20:01:34,539 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-16 20:01:34,539 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-11-16 20:01:34,539 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-11-16 20:01:34,539 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-16 20:01:34,539 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-16 20:01:34,539 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-11-16 20:01:34,539 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-11-16 20:01:34,540 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2021-11-16 20:01:34,540 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2021-11-16 20:01:34,540 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-16 20:01:34,540 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-16 20:01:34,540 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2021-11-16 20:01:34,540 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2021-11-16 20:01:34,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-16 20:01:34,540 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-16 20:01:34,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-16 20:01:34,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-16 20:01:34,541 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-16 20:01:34,541 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-16 20:01:34,541 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-16 20:01:34,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-16 20:01:34,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-16 20:01:34,541 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-11-16 20:01:34,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-11-16 20:01:34,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-16 20:01:34,744 INFO L236 CfgBuilder]: Building ICFG [2021-11-16 20:01:34,746 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-16 20:01:35,767 INFO L277 CfgBuilder]: Performing block encoding [2021-11-16 20:01:35,774 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-16 20:01:35,774 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-16 20:01:35,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:01:35 BoogieIcfgContainer [2021-11-16 20:01:35,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-16 20:01:35,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-16 20:01:35,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-16 20:01:35,780 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-16 20:01:35,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:01:32" (1/3) ... [2021-11-16 20:01:35,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b142b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:01:35, skipping insertion in model container [2021-11-16 20:01:35,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:34" (2/3) ... [2021-11-16 20:01:35,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b142b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:01:35, skipping insertion in model container [2021-11-16 20:01:35,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:01:35" (3/3) ... [2021-11-16 20:01:35,786 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_front_harness.i [2021-11-16 20:01:35,789 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-16 20:01:35,789 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-16 20:01:35,829 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-16 20:01:35,842 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 20:01:35,842 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-16 20:01:35,867 INFO L276 IsEmpty]: Start isEmpty. Operand has 182 states, 110 states have (on average 1.209090909090909) internal successors, (133), 111 states have internal predecessors, (133), 54 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2021-11-16 20:01:35,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-16 20:01:35,877 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 20:01:35,882 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:01:35,882 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 20:01:35,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 20:01:35,886 INFO L85 PathProgramCache]: Analyzing trace with hash 565976823, now seen corresponding path program 1 times [2021-11-16 20:01:35,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 20:01:35,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860443779] [2021-11-16 20:01:35,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 20:01:35,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 20:01:36,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:36,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 20:01:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:36,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 20:01:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:36,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 20:01:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:36,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-16 20:01:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:36,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-16 20:01:36,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:36,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-16 20:01:36,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:36,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 20:01:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:36,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-16 20:01:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:36,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-16 20:01:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:36,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 20:01:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:36,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-16 20:01:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:36,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-16 20:01:36,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:36,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-16 20:01:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:36,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-16 20:01:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:36,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-16 20:01:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:36,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-16 20:01:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:36,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-16 20:01:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:36,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-16 20:01:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:36,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-16 20:01:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:36,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-16 20:01:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:36,477 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-16 20:01:36,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 20:01:36,478 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860443779] [2021-11-16 20:01:36,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860443779] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 20:01:36,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 20:01:36,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-16 20:01:36,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413910603] [2021-11-16 20:01:36,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 20:01:36,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-16 20:01:36,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 20:01:36,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-16 20:01:36,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-16 20:01:36,507 INFO L87 Difference]: Start difference. First operand has 182 states, 110 states have (on average 1.209090909090909) internal successors, (133), 111 states have internal predecessors, (133), 54 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-16 20:01:37,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 20:01:37,115 INFO L93 Difference]: Finished difference Result 378 states and 547 transitions. [2021-11-16 20:01:37,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-16 20:01:37,118 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2021-11-16 20:01:37,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 20:01:37,134 INFO L225 Difference]: With dead ends: 378 [2021-11-16 20:01:37,134 INFO L226 Difference]: Without dead ends: 194 [2021-11-16 20:01:37,138 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-16 20:01:37,139 INFO L933 BasicCegarLoop]: 213 mSDtfsCounter, 111 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-16 20:01:37,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 330 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-16 20:01:37,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-11-16 20:01:37,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 173. [2021-11-16 20:01:37,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 103 states have (on average 1.1650485436893203) internal successors, (120), 104 states have internal predecessors, (120), 54 states have call successors, (54), 16 states have call predecessors, (54), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2021-11-16 20:01:37,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 226 transitions. [2021-11-16 20:01:37,188 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 226 transitions. Word has length 124 [2021-11-16 20:01:37,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 20:01:37,189 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 226 transitions. [2021-11-16 20:01:37,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-16 20:01:37,189 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 226 transitions. [2021-11-16 20:01:37,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-16 20:01:37,193 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 20:01:37,193 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:01:37,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-16 20:01:37,193 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 20:01:37,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 20:01:37,194 INFO L85 PathProgramCache]: Analyzing trace with hash 717213231, now seen corresponding path program 1 times [2021-11-16 20:01:37,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 20:01:37,194 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211457920] [2021-11-16 20:01:37,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 20:01:37,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 20:01:37,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:37,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 20:01:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:37,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 20:01:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:37,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 20:01:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:37,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-16 20:01:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:37,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-16 20:01:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:37,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-16 20:01:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:37,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 20:01:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:37,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-16 20:01:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:37,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-16 20:01:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:37,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 20:01:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:37,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-16 20:01:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:37,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-16 20:01:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:37,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-16 20:01:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:37,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-16 20:01:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:37,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-16 20:01:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:37,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-16 20:01:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:37,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-16 20:01:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:37,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-16 20:01:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:37,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-16 20:01:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:37,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-16 20:01:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:37,618 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-16 20:01:37,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 20:01:37,619 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211457920] [2021-11-16 20:01:37,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211457920] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 20:01:37,619 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 20:01:37,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-16 20:01:37,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138523670] [2021-11-16 20:01:37,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 20:01:37,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-16 20:01:37,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 20:01:37,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-16 20:01:37,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-16 20:01:37,622 INFO L87 Difference]: Start difference. First operand 173 states and 226 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-16 20:01:39,034 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 20:01:39,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 20:01:39,738 INFO L93 Difference]: Finished difference Result 365 states and 503 transitions. [2021-11-16 20:01:39,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-16 20:01:39,739 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) Word has length 124 [2021-11-16 20:01:39,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 20:01:39,741 INFO L225 Difference]: With dead ends: 365 [2021-11-16 20:01:39,741 INFO L226 Difference]: Without dead ends: 252 [2021-11-16 20:01:39,742 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-11-16 20:01:39,742 INFO L933 BasicCegarLoop]: 235 mSDtfsCounter, 134 mSDsluCounter, 1081 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 1316 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-16 20:01:39,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 1316 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-16 20:01:39,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2021-11-16 20:01:39,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 186. [2021-11-16 20:01:39,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 112 states have (on average 1.1607142857142858) internal successors, (130), 113 states have internal predecessors, (130), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (56), 56 states have call predecessors, (56), 55 states have call successors, (56) [2021-11-16 20:01:39,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 243 transitions. [2021-11-16 20:01:39,767 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 243 transitions. Word has length 124 [2021-11-16 20:01:39,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 20:01:39,768 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 243 transitions. [2021-11-16 20:01:39,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-16 20:01:39,768 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 243 transitions. [2021-11-16 20:01:39,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-16 20:01:39,770 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 20:01:39,770 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:01:39,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-16 20:01:39,771 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 20:01:39,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 20:01:39,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1593232237, now seen corresponding path program 1 times [2021-11-16 20:01:39,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 20:01:39,771 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416060759] [2021-11-16 20:01:39,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 20:01:39,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 20:01:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:39,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 20:01:39,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:39,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 20:01:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:39,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 20:01:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:39,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-16 20:01:39,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:39,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-16 20:01:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:39,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-16 20:01:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:39,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 20:01:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:39,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-16 20:01:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:39,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-16 20:01:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:39,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 20:01:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:40,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-16 20:01:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:40,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-16 20:01:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:40,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-16 20:01:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:40,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-16 20:01:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:40,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-16 20:01:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:40,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-16 20:01:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:40,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-16 20:01:40,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:40,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-16 20:01:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:40,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-16 20:01:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:40,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-16 20:01:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:40,110 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-16 20:01:40,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 20:01:40,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416060759] [2021-11-16 20:01:40,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416060759] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 20:01:40,111 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 20:01:40,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-16 20:01:40,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362585952] [2021-11-16 20:01:40,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 20:01:40,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-16 20:01:40,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 20:01:40,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-16 20:01:40,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-16 20:01:40,114 INFO L87 Difference]: Start difference. First operand 186 states and 243 transitions. Second operand has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2021-11-16 20:01:41,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 20:01:41,009 INFO L93 Difference]: Finished difference Result 359 states and 492 transitions. [2021-11-16 20:01:41,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-16 20:01:41,010 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) Word has length 124 [2021-11-16 20:01:41,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 20:01:41,021 INFO L225 Difference]: With dead ends: 359 [2021-11-16 20:01:41,021 INFO L226 Difference]: Without dead ends: 252 [2021-11-16 20:01:41,022 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2021-11-16 20:01:41,025 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 110 mSDsluCounter, 1268 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 1500 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-16 20:01:41,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 1500 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-16 20:01:41,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2021-11-16 20:01:41,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 192. [2021-11-16 20:01:41,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 115 states have (on average 1.1565217391304348) internal successors, (133), 116 states have internal predecessors, (133), 60 states have call successors, (60), 16 states have call predecessors, (60), 16 states have return successors, (59), 59 states have call predecessors, (59), 58 states have call successors, (59) [2021-11-16 20:01:41,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 252 transitions. [2021-11-16 20:01:41,042 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 252 transitions. Word has length 124 [2021-11-16 20:01:41,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 20:01:41,043 INFO L470 AbstractCegarLoop]: Abstraction has 192 states and 252 transitions. [2021-11-16 20:01:41,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2021-11-16 20:01:41,043 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 252 transitions. [2021-11-16 20:01:41,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-16 20:01:41,044 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 20:01:41,044 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:01:41,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-16 20:01:41,045 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 20:01:41,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 20:01:41,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1198865451, now seen corresponding path program 1 times [2021-11-16 20:01:41,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 20:01:41,045 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683441791] [2021-11-16 20:01:41,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 20:01:41,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 20:01:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:41,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 20:01:41,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:41,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 20:01:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:41,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 20:01:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:41,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-16 20:01:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:41,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-16 20:01:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:41,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-16 20:01:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:41,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 20:01:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:41,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-16 20:01:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:41,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-16 20:01:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:41,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 20:01:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:41,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-16 20:01:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:41,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-16 20:01:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:41,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-16 20:01:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:41,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-16 20:01:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:41,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-16 20:01:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:41,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-16 20:01:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:41,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-16 20:01:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:41,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-16 20:01:41,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:41,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-16 20:01:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:41,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-16 20:01:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:41,332 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 29 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2021-11-16 20:01:41,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 20:01:41,333 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683441791] [2021-11-16 20:01:41,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683441791] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 20:01:41,333 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927628524] [2021-11-16 20:01:41,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 20:01:41,333 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 20:01:41,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 20:01:41,335 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 20:01:41,336 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 20:01:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:41,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 2188 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-16 20:01:41,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 20:01:41,962 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-16 20:01:41,962 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 20:01:41,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1927628524] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 20:01:41,962 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-16 20:01:41,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 10 [2021-11-16 20:01:41,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024207308] [2021-11-16 20:01:41,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 20:01:41,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-16 20:01:41,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 20:01:41,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-16 20:01:41,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-16 20:01:41,964 INFO L87 Difference]: Start difference. First operand 192 states and 252 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-16 20:01:42,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 20:01:42,050 INFO L93 Difference]: Finished difference Result 357 states and 477 transitions. [2021-11-16 20:01:42,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-16 20:01:42,051 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 124 [2021-11-16 20:01:42,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 20:01:42,052 INFO L225 Difference]: With dead ends: 357 [2021-11-16 20:01:42,052 INFO L226 Difference]: Without dead ends: 194 [2021-11-16 20:01:42,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 158 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-16 20:01:42,053 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 2 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1012 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-16 20:01:42,053 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 1012 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-16 20:01:42,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-11-16 20:01:42,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2021-11-16 20:01:42,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 116 states have (on average 1.1551724137931034) internal successors, (134), 118 states have internal predecessors, (134), 60 states have call successors, (60), 16 states have call predecessors, (60), 17 states have return successors, (68), 59 states have call predecessors, (68), 58 states have call successors, (68) [2021-11-16 20:01:42,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 262 transitions. [2021-11-16 20:01:42,073 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 262 transitions. Word has length 124 [2021-11-16 20:01:42,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 20:01:42,074 INFO L470 AbstractCegarLoop]: Abstraction has 194 states and 262 transitions. [2021-11-16 20:01:42,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-16 20:01:42,074 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 262 transitions. [2021-11-16 20:01:42,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-16 20:01:42,075 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 20:01:42,075 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:01:42,101 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 20:01:42,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 20:01:42,285 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 20:01:42,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 20:01:42,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1419762735, now seen corresponding path program 1 times [2021-11-16 20:01:42,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 20:01:42,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712353284] [2021-11-16 20:01:42,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 20:01:42,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 20:01:42,312 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-16 20:01:42,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [306672117] [2021-11-16 20:01:42,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 20:01:42,313 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 20:01:42,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 20:01:42,314 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 20:01:42,315 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 20:01:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:42,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 2315 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-16 20:01:42,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 20:01:42,906 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2021-11-16 20:01:42,906 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 20:01:42,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 20:01:42,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712353284] [2021-11-16 20:01:42,907 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-16 20:01:42,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306672117] [2021-11-16 20:01:42,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306672117] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 20:01:42,907 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 20:01:42,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-16 20:01:42,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410685348] [2021-11-16 20:01:42,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 20:01:42,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-16 20:01:42,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 20:01:42,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-16 20:01:42,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-16 20:01:42,909 INFO L87 Difference]: Start difference. First operand 194 states and 262 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-16 20:01:42,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 20:01:42,953 INFO L93 Difference]: Finished difference Result 235 states and 304 transitions. [2021-11-16 20:01:42,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-16 20:01:42,954 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 139 [2021-11-16 20:01:42,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 20:01:42,956 INFO L225 Difference]: With dead ends: 235 [2021-11-16 20:01:42,956 INFO L226 Difference]: Without dead ends: 0 [2021-11-16 20:01:42,957 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-16 20:01:42,958 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 90 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-16 20:01:42,958 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 242 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-16 20:01:42,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-16 20:01:42,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-16 20:01:42,959 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 20:01:42,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-16 20:01:42,960 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 139 [2021-11-16 20:01:42,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 20:01:42,960 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-16 20:01:42,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-16 20:01:42,960 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-16 20:01:42,960 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-16 20:01:42,964 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-16 20:01:42,983 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 20:01:43,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 20:01:43,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-16 20:01:43,489 INFO L854 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 2778 2783) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-11-16 20:01:43,489 INFO L858 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 2778 2783) no Hoare annotation was computed. [2021-11-16 20:01:43,489 INFO L858 garLoopResultBuilder]: For program point L2779-1(lines 2779 2781) no Hoare annotation was computed. [2021-11-16 20:01:43,489 INFO L854 garLoopResultBuilder]: At program point L2779(lines 2779 2781) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-11-16 20:01:43,489 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 2778 2783) no Hoare annotation was computed. [2021-11-16 20:01:43,489 INFO L858 garLoopResultBuilder]: For program point L7011-4(lines 7010 7022) no Hoare annotation was computed. [2021-11-16 20:01:43,489 INFO L858 garLoopResultBuilder]: For program point L7011-2(lines 7011 7021) no Hoare annotation was computed. [2021-11-16 20:01:43,489 INFO L861 garLoopResultBuilder]: At program point L7018(line 7018) the Hoare annotation is: true [2021-11-16 20:01:43,489 INFO L858 garLoopResultBuilder]: For program point L7020-1(line 7020) no Hoare annotation was computed. [2021-11-16 20:01:43,489 INFO L861 garLoopResultBuilder]: At program point L7020(line 7020) the Hoare annotation is: true [2021-11-16 20:01:43,490 INFO L858 garLoopResultBuilder]: For program point ensure_array_list_has_allocated_data_memberEXIT(lines 7010 7022) no Hoare annotation was computed. [2021-11-16 20:01:43,490 INFO L858 garLoopResultBuilder]: For program point L7018-3(lines 7018 7020) no Hoare annotation was computed. [2021-11-16 20:01:43,490 INFO L854 garLoopResultBuilder]: At program point ensure_array_list_has_allocated_data_memberENTRY(lines 7010 7022) the Hoare annotation is: (or (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$.offset)|) (= |old(#valid)| |#valid|)) (not (< 0 |#StackHeapBarrier|))) [2021-11-16 20:01:43,490 INFO L858 garLoopResultBuilder]: For program point L7018-1(lines 7018 7020) no Hoare annotation was computed. [2021-11-16 20:01:43,490 INFO L858 garLoopResultBuilder]: For program point L7012-1(lines 7012 7014) no Hoare annotation was computed. [2021-11-16 20:01:43,490 INFO L854 garLoopResultBuilder]: At program point L7012(lines 7012 7014) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (not (< 0 |#StackHeapBarrier|))) [2021-11-16 20:01:43,490 INFO L858 garLoopResultBuilder]: For program point L7015-1(line 7015) no Hoare annotation was computed. [2021-11-16 20:01:43,490 INFO L854 garLoopResultBuilder]: At program point L7015(line 7015) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (not (< 0 |#StackHeapBarrier|))) [2021-11-16 20:01:43,490 INFO L858 garLoopResultBuilder]: For program point L7017-1(line 7017) no Hoare annotation was computed. [2021-11-16 20:01:43,490 INFO L854 garLoopResultBuilder]: At program point L7017(line 7017) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (not (< 0 |#StackHeapBarrier|))) [2021-11-16 20:01:43,490 INFO L858 garLoopResultBuilder]: For program point L7011(line 7011) no Hoare annotation was computed. [2021-11-16 20:01:43,490 INFO L858 garLoopResultBuilder]: For program point aws_array_list_is_boundedEXIT(lines 6996 7008) no Hoare annotation was computed. [2021-11-16 20:01:43,490 INFO L861 garLoopResultBuilder]: At program point aws_array_list_is_boundedENTRY(lines 6996 7008) the Hoare annotation is: true [2021-11-16 20:01:43,490 INFO L858 garLoopResultBuilder]: For program point aws_array_list_is_boundedFINAL(lines 6996 7008) no Hoare annotation was computed. [2021-11-16 20:01:43,491 INFO L854 garLoopResultBuilder]: At program point aws_array_list_is_validENTRY(lines 3259 3286) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$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 20:01:43,491 INFO L858 garLoopResultBuilder]: For program point L3281(line 3281) no Hoare annotation was computed. [2021-11-16 20:01:43,491 INFO L858 garLoopResultBuilder]: For program point L3279(lines 3279 3280) no Hoare annotation was computed. [2021-11-16 20:01:43,491 INFO L858 garLoopResultBuilder]: For program point L3281-2(line 3281) no Hoare annotation was computed. [2021-11-16 20:01:43,491 INFO L858 garLoopResultBuilder]: For program point L3279-3(lines 3279 3281) no Hoare annotation was computed. [2021-11-16 20:01:43,491 INFO L858 garLoopResultBuilder]: For program point aws_array_list_is_validEXIT(lines 3259 3286) no Hoare annotation was computed. [2021-11-16 20:01:43,491 INFO L858 garLoopResultBuilder]: For program point L3279-2(lines 3279 3280) no Hoare annotation was computed. [2021-11-16 20:01:43,491 INFO L858 garLoopResultBuilder]: For program point L3279-5(lines 3279 3281) no Hoare annotation was computed. [2021-11-16 20:01:43,491 INFO L858 garLoopResultBuilder]: For program point L3263(lines 3263 3267) no Hoare annotation was computed. [2021-11-16 20:01:43,491 INFO L854 garLoopResultBuilder]: At program point L3272(line 3272) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (<= |aws_array_list_is_valid_#in~list.base| aws_array_list_is_valid_~list.base) (<= |aws_array_list_is_valid_#in~list.base| 0))) [2021-11-16 20:01:43,491 INFO L858 garLoopResultBuilder]: For program point L3272-1(line 3272) no Hoare annotation was computed. [2021-11-16 20:01:43,491 INFO L858 garLoopResultBuilder]: For program point aws_array_list_is_validFINAL(lines 3259 3286) no Hoare annotation was computed. [2021-11-16 20:01:43,491 INFO L858 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2021-11-16 20:01:43,491 INFO L858 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2021-11-16 20:01:43,491 INFO L861 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2021-11-16 20:01:43,491 INFO L858 garLoopResultBuilder]: For program point assert_byte_from_buffer_matchesEXIT(lines 7174 7178) no Hoare annotation was computed. [2021-11-16 20:01:43,492 INFO L861 garLoopResultBuilder]: At program point assert_byte_from_buffer_matchesENTRY(lines 7174 7178) the Hoare annotation is: true [2021-11-16 20:01:43,492 INFO L858 garLoopResultBuilder]: For program point L7175(lines 7175 7177) no Hoare annotation was computed. [2021-11-16 20:01:43,492 INFO L858 garLoopResultBuilder]: For program point L7176-1(line 7176) no Hoare annotation was computed. [2021-11-16 20:01:43,492 INFO L861 garLoopResultBuilder]: At program point L7176(line 7176) the Hoare annotation is: true [2021-11-16 20:01:43,492 INFO L858 garLoopResultBuilder]: For program point L7175-2(lines 7174 7178) no Hoare annotation was computed. [2021-11-16 20:01:43,492 INFO L854 garLoopResultBuilder]: At program point L2496(line 2496) 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$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2021-11-16 20:01:43,492 INFO L858 garLoopResultBuilder]: For program point L2497-1(line 2497) no Hoare annotation was computed. [2021-11-16 20:01:43,492 INFO L858 garLoopResultBuilder]: For program point aws_mul_size_checkedEXIT(lines 2584 2592) no Hoare annotation was computed. [2021-11-16 20:01:43,492 INFO L861 garLoopResultBuilder]: At program point L2497(line 2497) the Hoare annotation is: true [2021-11-16 20:01:43,492 INFO L858 garLoopResultBuilder]: For program point L2496-1(lines 2496 2497) no Hoare annotation was computed. [2021-11-16 20:01:43,492 INFO L858 garLoopResultBuilder]: For program point aws_mul_size_checkedFINAL(lines 2584 2592) no Hoare annotation was computed. [2021-11-16 20:01:43,492 INFO L854 garLoopResultBuilder]: At program point aws_mul_size_checkedENTRY(lines 2584 2592) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$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 20:01:43,492 INFO L861 garLoopResultBuilder]: At program point L2499(lines 2495 2500) the Hoare annotation is: true [2021-11-16 20:01:43,492 INFO L861 garLoopResultBuilder]: At program point L7378(line 7378) the Hoare annotation is: true [2021-11-16 20:01:43,492 INFO L861 garLoopResultBuilder]: At program point L7381-3(lines 7381 7382) the Hoare annotation is: true [2021-11-16 20:01:43,493 INFO L858 garLoopResultBuilder]: For program point memcpy_implFINAL(lines 7373 7385) no Hoare annotation was computed. [2021-11-16 20:01:43,493 INFO L858 garLoopResultBuilder]: For program point L7379(line 7379) no Hoare annotation was computed. [2021-11-16 20:01:43,493 INFO L858 garLoopResultBuilder]: For program point L7381-2(lines 7381 7382) no Hoare annotation was computed. [2021-11-16 20:01:43,493 INFO L861 garLoopResultBuilder]: At program point L7374(line 7374) the Hoare annotation is: true [2021-11-16 20:01:43,493 INFO L858 garLoopResultBuilder]: For program point memcpy_implEXIT(lines 7373 7385) no Hoare annotation was computed. [2021-11-16 20:01:43,493 INFO L861 garLoopResultBuilder]: At program point memcpy_implENTRY(lines 7373 7385) the Hoare annotation is: true [2021-11-16 20:01:43,493 INFO L858 garLoopResultBuilder]: For program point L7381-4(lines 7381 7382) no Hoare annotation was computed. [2021-11-16 20:01:43,493 INFO L861 garLoopResultBuilder]: At program point L7374-1(line 7374) the Hoare annotation is: true [2021-11-16 20:01:43,493 INFO L858 garLoopResultBuilder]: For program point aws_array_list_lengthEXIT(lines 3487 3498) no Hoare annotation was computed. [2021-11-16 20:01:43,493 INFO L861 garLoopResultBuilder]: At program point aws_array_list_lengthENTRY(lines 3487 3498) the Hoare annotation is: true [2021-11-16 20:01:43,493 INFO L858 garLoopResultBuilder]: For program point aws_array_list_lengthFINAL(lines 3487 3498) no Hoare annotation was computed. [2021-11-16 20:01:43,493 INFO L861 garLoopResultBuilder]: At program point L3496(line 3496) the Hoare annotation is: true [2021-11-16 20:01:43,493 INFO L861 garLoopResultBuilder]: At program point L3494(line 3494) the Hoare annotation is: true [2021-11-16 20:01:43,493 INFO L858 garLoopResultBuilder]: For program point L3496-2(line 3496) no Hoare annotation was computed. [2021-11-16 20:01:43,493 INFO L861 garLoopResultBuilder]: At program point L3496-1(line 3496) the Hoare annotation is: true [2021-11-16 20:01:43,494 INFO L858 garLoopResultBuilder]: For program point L3494-2(line 3494) no Hoare annotation was computed. [2021-11-16 20:01:43,494 INFO L858 garLoopResultBuilder]: For program point L3493(line 3493) no Hoare annotation was computed. [2021-11-16 20:01:43,494 INFO L861 garLoopResultBuilder]: At program point L3494-1(line 3494) the Hoare annotation is: true [2021-11-16 20:01:43,494 INFO L858 garLoopResultBuilder]: For program point L3493-3(line 3493) no Hoare annotation was computed. [2021-11-16 20:01:43,494 INFO L861 garLoopResultBuilder]: At program point L3493-2(line 3493) the Hoare annotation is: true [2021-11-16 20:01:43,494 INFO L861 garLoopResultBuilder]: At program point can_fail_mallocENTRY(lines 2795 2799) the Hoare annotation is: true [2021-11-16 20:01:43,494 INFO L861 garLoopResultBuilder]: At program point L2798(line 2798) the Hoare annotation is: true [2021-11-16 20:01:43,494 INFO L861 garLoopResultBuilder]: At program point L2796(line 2796) the Hoare annotation is: true [2021-11-16 20:01:43,494 INFO L858 garLoopResultBuilder]: For program point L2798-1(line 2798) no Hoare annotation was computed. [2021-11-16 20:01:43,494 INFO L858 garLoopResultBuilder]: For program point L2796-1(lines 2796 2798) no Hoare annotation was computed. [2021-11-16 20:01:43,494 INFO L858 garLoopResultBuilder]: For program point L2796-3(lines 2796 2798) no Hoare annotation was computed. [2021-11-16 20:01:43,494 INFO L858 garLoopResultBuilder]: For program point can_fail_mallocFINAL(lines 2795 2799) no Hoare annotation was computed. [2021-11-16 20:01:43,494 INFO L858 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 2795 2799) no Hoare annotation was computed. [2021-11-16 20:01:43,494 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2021-11-16 20:01:43,494 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-11-16 20:01:43,494 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-16 20:01:43,495 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-11-16 20:01:43,495 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 20:01:43,495 INFO L858 garLoopResultBuilder]: For program point aws_raise_errorFINAL(lines 1988 1999) no Hoare annotation was computed. [2021-11-16 20:01:43,495 INFO L858 garLoopResultBuilder]: For program point L7363(lines 7363 7365) no Hoare annotation was computed. [2021-11-16 20:01:43,495 INFO L858 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2021-11-16 20:01:43,495 INFO L861 garLoopResultBuilder]: At program point my_memcpyENTRY(lines 7387 7389) the Hoare annotation is: true [2021-11-16 20:01:43,495 INFO L858 garLoopResultBuilder]: For program point my_memcpyFINAL(lines 7387 7389) no Hoare annotation was computed. [2021-11-16 20:01:43,495 INFO L858 garLoopResultBuilder]: For program point L7388-1(line 7388) no Hoare annotation was computed. [2021-11-16 20:01:43,495 INFO L861 garLoopResultBuilder]: At program point L7388(line 7388) the Hoare annotation is: true [2021-11-16 20:01:43,495 INFO L858 garLoopResultBuilder]: For program point my_memcpyEXIT(lines 7387 7389) no Hoare annotation was computed. [2021-11-16 20:01:43,495 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 2785 2787) no Hoare annotation was computed. [2021-11-16 20:01:43,495 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 2785 2787) no Hoare annotation was computed. [2021-11-16 20:01:43,495 INFO L861 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 2785 2787) the Hoare annotation is: true [2021-11-16 20:01:43,495 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 20:01:43,495 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_multEXIT(lines 253 256) no Hoare annotation was computed. [2021-11-16 20:01:43,496 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_multFINAL(lines 253 256) no Hoare annotation was computed. [2021-11-16 20:01:43,496 INFO L858 garLoopResultBuilder]: For program point L3330-2(line 3330) no Hoare annotation was computed. [2021-11-16 20:01:43,496 INFO L854 garLoopResultBuilder]: At program point L3330-1(line 3330) the Hoare annotation is: false [2021-11-16 20:01:43,496 INFO L858 garLoopResultBuilder]: For program point L7996-1(line 7996) no Hoare annotation was computed. [2021-11-16 20:01:43,496 INFO L854 garLoopResultBuilder]: At program point L7996(line 7996) the Hoare annotation is: false [2021-11-16 20:01:43,496 INFO L858 garLoopResultBuilder]: For program point L7980-1(line 7980) no Hoare annotation was computed. [2021-11-16 20:01:43,496 INFO L854 garLoopResultBuilder]: At program point L7980(line 7980) the Hoare annotation is: false [2021-11-16 20:01:43,496 INFO L858 garLoopResultBuilder]: For program point L3331(line 3331) no Hoare annotation was computed. [2021-11-16 20:01:43,496 INFO L858 garLoopResultBuilder]: For program point L3331-3(line 3331) no Hoare annotation was computed. [2021-11-16 20:01:43,496 INFO L854 garLoopResultBuilder]: At program point L3331-2(line 3331) the Hoare annotation is: false [2021-11-16 20:01:43,496 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-16 20:01:43,496 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-16 20:01:43,496 INFO L858 garLoopResultBuilder]: For program point L7196-1(line 7196) no Hoare annotation was computed. [2021-11-16 20:01:43,496 INFO L858 garLoopResultBuilder]: For program point L7997-1(line 7997) no Hoare annotation was computed. [2021-11-16 20:01:43,496 INFO L854 garLoopResultBuilder]: At program point L7196(line 7196) the Hoare annotation is: false [2021-11-16 20:01:43,496 INFO L854 garLoopResultBuilder]: At program point L7997(line 7997) the Hoare annotation is: false [2021-11-16 20:01:43,496 INFO L858 garLoopResultBuilder]: For program point L7989-2(line 7989) no Hoare annotation was computed. [2021-11-16 20:01:43,496 INFO L854 garLoopResultBuilder]: At program point L7989-1(line 7989) the Hoare annotation is: false [2021-11-16 20:01:43,496 INFO L861 garLoopResultBuilder]: At program point L7188(lines 7188 7205) the Hoare annotation is: true [2021-11-16 20:01:43,496 INFO L854 garLoopResultBuilder]: At program point L7989(line 7989) the Hoare annotation is: false [2021-11-16 20:01:43,497 INFO L858 garLoopResultBuilder]: For program point L7981-1(line 7981) no Hoare annotation was computed. [2021-11-16 20:01:43,497 INFO L858 garLoopResultBuilder]: For program point L7180(lines 7180 7186) no Hoare annotation was computed. [2021-11-16 20:01:43,497 INFO L854 garLoopResultBuilder]: At program point L7981(line 7981) the Hoare annotation is: false [2021-11-16 20:01:43,497 INFO L858 garLoopResultBuilder]: For program point L7990(line 7990) no Hoare annotation was computed. [2021-11-16 20:01:43,497 INFO L858 garLoopResultBuilder]: For program point L7990-3(line 7990) no Hoare annotation was computed. [2021-11-16 20:01:43,497 INFO L854 garLoopResultBuilder]: At program point L7990-2(line 7990) the Hoare annotation is: false [2021-11-16 20:01:43,497 INFO L854 garLoopResultBuilder]: At program point L3341-1(line 3341) the Hoare annotation is: false [2021-11-16 20:01:43,497 INFO L854 garLoopResultBuilder]: At program point L3341(line 3341) the Hoare annotation is: false [2021-11-16 20:01:43,497 INFO L858 garLoopResultBuilder]: For program point L7181(lines 7181 7185) no Hoare annotation was computed. [2021-11-16 20:01:43,497 INFO L858 garLoopResultBuilder]: For program point L3341-2(line 3341) no Hoare annotation was computed. [2021-11-16 20:01:43,497 INFO L854 garLoopResultBuilder]: At program point L7198(line 7198) the Hoare annotation is: false [2021-11-16 20:01:43,497 INFO L858 garLoopResultBuilder]: For program point L7198-1(line 7198) no Hoare annotation was computed. [2021-11-16 20:01:43,497 INFO L854 garLoopResultBuilder]: At program point L3342(line 3342) the Hoare annotation is: false [2021-11-16 20:01:43,497 INFO L854 garLoopResultBuilder]: At program point L3342-2(lines 3328 3343) the Hoare annotation is: false [2021-11-16 20:01:43,497 INFO L858 garLoopResultBuilder]: For program point L3342-1(line 3342) no Hoare annotation was computed. [2021-11-16 20:01:43,497 INFO L854 garLoopResultBuilder]: At program point L3334(line 3334) the Hoare annotation is: false [2021-11-16 20:01:43,497 INFO L858 garLoopResultBuilder]: For program point L3334-1(lines 3334 3339) no Hoare annotation was computed. [2021-11-16 20:01:43,497 INFO L858 garLoopResultBuilder]: For program point L7199-1(line 7199) no Hoare annotation was computed. [2021-11-16 20:01:43,497 INFO L854 garLoopResultBuilder]: At program point L7199(line 7199) the Hoare annotation is: false [2021-11-16 20:01:43,497 INFO L858 garLoopResultBuilder]: For program point L7183-1(line 7183) no Hoare annotation was computed. [2021-11-16 20:01:43,498 INFO L854 garLoopResultBuilder]: At program point L7183(line 7183) the Hoare annotation is: false [2021-11-16 20:01:43,498 INFO L858 garLoopResultBuilder]: For program point L7976-2(line 7976) no Hoare annotation was computed. [2021-11-16 20:01:43,498 INFO L854 garLoopResultBuilder]: At program point L7976-1(line 7976) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-16 20:01:43,498 INFO L854 garLoopResultBuilder]: At program point L7976(line 7976) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-16 20:01:43,498 INFO L854 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: false [2021-11-16 20:01:43,498 INFO L858 garLoopResultBuilder]: For program point L3335-1(line 3335) no Hoare annotation was computed. [2021-11-16 20:01:43,498 INFO L854 garLoopResultBuilder]: At program point L3335(line 3335) the Hoare annotation is: false [2021-11-16 20:01:43,498 INFO L858 garLoopResultBuilder]: For program point L7200-1(line 7200) no Hoare annotation was computed. [2021-11-16 20:01:43,498 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-16 20:01:43,498 INFO L858 garLoopResultBuilder]: For program point L8001-1(line 8001) no Hoare annotation was computed. [2021-11-16 20:01:43,498 INFO L854 garLoopResultBuilder]: At program point L7200(line 7200) the Hoare annotation is: false [2021-11-16 20:01:43,498 INFO L854 garLoopResultBuilder]: At program point L8001(line 8001) the Hoare annotation is: false [2021-11-16 20:01:43,498 INFO L854 garLoopResultBuilder]: At program point L7993-2(lines 7993 7998) the Hoare annotation is: false [2021-11-16 20:01:43,498 INFO L858 garLoopResultBuilder]: For program point L7993(lines 7993 7998) no Hoare annotation was computed. [2021-11-16 20:01:43,498 INFO L854 garLoopResultBuilder]: At program point L3336(line 3336) the Hoare annotation is: false [2021-11-16 20:01:43,498 INFO L854 garLoopResultBuilder]: At program point L7977-1(line 7977) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-16 20:01:43,498 INFO L854 garLoopResultBuilder]: At program point L7977(line 7977) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-16 20:01:43,498 INFO L858 garLoopResultBuilder]: For program point L3336-1(line 3336) no Hoare annotation was computed. [2021-11-16 20:01:43,498 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-16 20:01:43,499 INFO L858 garLoopResultBuilder]: For program point L7201-1(line 7201) no Hoare annotation was computed. [2021-11-16 20:01:43,499 INFO L854 garLoopResultBuilder]: At program point L7201(line 7201) the Hoare annotation is: false [2021-11-16 20:01:43,499 INFO L858 garLoopResultBuilder]: For program point L7193(lines 7193 7197) no Hoare annotation was computed. [2021-11-16 20:01:43,499 INFO L854 garLoopResultBuilder]: At program point L7978(line 7978) the Hoare annotation is: (= |ULTIMATE.start_aws_array_list_front_harness_#t~ret797#1| 0) [2021-11-16 20:01:43,499 INFO L854 garLoopResultBuilder]: At program point L3337-1(line 3337) the Hoare annotation is: false [2021-11-16 20:01:43,499 INFO L854 garLoopResultBuilder]: At program point L3337(line 3337) the Hoare annotation is: false [2021-11-16 20:01:43,501 INFO L858 garLoopResultBuilder]: For program point L7978-1(line 7978) no Hoare annotation was computed. [2021-11-16 20:01:43,501 INFO L858 garLoopResultBuilder]: For program point L3337-2(line 3337) no Hoare annotation was computed. [2021-11-16 20:01:43,502 INFO L858 garLoopResultBuilder]: For program point L7202(lines 7202 7204) no Hoare annotation was computed. [2021-11-16 20:01:43,502 INFO L858 garLoopResultBuilder]: For program point L7995-1(line 7995) no Hoare annotation was computed. [2021-11-16 20:01:43,502 INFO L854 garLoopResultBuilder]: At program point L7995(line 7995) the Hoare annotation is: false [2021-11-16 20:01:43,502 INFO L858 garLoopResultBuilder]: For program point L7203-1(line 7203) no Hoare annotation was computed. [2021-11-16 20:01:43,502 INFO L854 garLoopResultBuilder]: At program point L7203(line 7203) the Hoare annotation is: false [2021-11-16 20:01:43,502 INFO L858 garLoopResultBuilder]: For program point L7971(lines 7971 8003) no Hoare annotation was computed. [2021-11-16 20:01:43,502 INFO L854 garLoopResultBuilder]: At program point L3330(line 3330) the Hoare annotation is: false [2021-11-16 20:01:43,502 INFO L861 garLoopResultBuilder]: At program point L8004(line 8004) the Hoare annotation is: true [2021-11-16 20:01:43,503 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-16 20:01:43,503 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-11-16 20:01:43,503 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-16 20:01:43,503 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-11-16 20:01:43,503 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-11-16 20:01:43,503 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-16 20:01:43,506 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-16 20:01:43,507 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-16 20:01:43,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 08:01:43 BoogieIcfgContainer [2021-11-16 20:01:43,513 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-16 20:01:43,514 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-16 20:01:43,514 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-16 20:01:43,514 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-16 20:01:43,514 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:01:35" (3/4) ... [2021-11-16 20:01:43,516 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-16 20:01:43,520 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2021-11-16 20:01:43,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-11-16 20:01:43,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_array_list_has_allocated_data_member [2021-11-16 20:01:43,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_bounded [2021-11-16 20:01:43,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_valid [2021-11-16 20:01:43,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-11-16 20:01:43,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-16 20:01:43,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2021-11-16 20:01:43,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure my_memcpy [2021-11-16 20:01:43,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2021-11-16 20:01:43,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2021-11-16 20:01:43,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_byte_from_buffer_matches [2021-11-16 20:01:43,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2021-11-16 20:01:43,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure memcpy_impl [2021-11-16 20:01:43,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_length [2021-11-16 20:01:43,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-16 20:01:43,530 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 146 nodes and edges [2021-11-16 20:01:43,530 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 65 nodes and edges [2021-11-16 20:01:43,531 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-11-16 20:01:43,532 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-16 20:01:43,532 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-16 20:01:43,533 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-16 20:01:43,534 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-16 20:01:43,534 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-16 20:01:44,134 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-11-16 20:01:44,134 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-16 20:01:44,135 INFO L158 Benchmark]: Toolchain (without parser) took 11318.67ms. Allocated memory was 109.1MB in the beginning and 255.9MB in the end (delta: 146.8MB). Free memory was 74.1MB in the beginning and 120.6MB in the end (delta: -46.5MB). Peak memory consumption was 186.3MB. Max. memory is 16.1GB. [2021-11-16 20:01:44,135 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-16 20:01:44,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1429.77ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 74.1MB in the beginning and 49.7MB in the end (delta: 24.4MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2021-11-16 20:01:44,135 INFO L158 Benchmark]: Boogie Procedure Inliner took 151.88ms. Allocated memory is still 132.1MB. Free memory was 49.7MB in the beginning and 81.3MB in the end (delta: -31.6MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-11-16 20:01:44,136 INFO L158 Benchmark]: Boogie Preprocessor took 68.51ms. Allocated memory is still 132.1MB. Free memory was 81.3MB in the beginning and 75.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-16 20:01:44,136 INFO L158 Benchmark]: RCFGBuilder took 1305.70ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 75.0MB in the beginning and 115.2MB in the end (delta: -40.2MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2021-11-16 20:01:44,136 INFO L158 Benchmark]: TraceAbstraction took 7735.89ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 115.2MB in the beginning and 150.8MB in the end (delta: -35.6MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2021-11-16 20:01:44,136 INFO L158 Benchmark]: Witness Printer took 620.43ms. Allocated memory is still 255.9MB. Free memory was 150.8MB in the beginning and 120.6MB in the end (delta: 30.2MB). Peak memory consumption was 117.2MB. Max. memory is 16.1GB. [2021-11-16 20:01:44,137 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1429.77ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 74.1MB in the beginning and 49.7MB in the end (delta: 24.4MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 151.88ms. Allocated memory is still 132.1MB. Free memory was 49.7MB in the beginning and 81.3MB in the end (delta: -31.6MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.51ms. Allocated memory is still 132.1MB. Free memory was 81.3MB in the beginning and 75.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1305.70ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 75.0MB in the beginning and 115.2MB in the end (delta: -40.2MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. * TraceAbstraction took 7735.89ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 115.2MB in the beginning and 150.8MB in the end (delta: -35.6MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. * Witness Printer took 620.43ms. Allocated memory is still 255.9MB. Free memory was 150.8MB in the beginning and 120.6MB in the end (delta: 30.2MB). Peak memory consumption was 117.2MB. 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 17 procedures, 182 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.7s, OverallIterations: 5, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 509 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 447 mSDsluCounter, 4400 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3445 mSDsCounter, 455 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1647 IncrementalHoareTripleChecker+Invalid, 2102 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 455 mSolverCounterUnsat, 955 mSDtfsCounter, 1647 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 465 GetRequests, 420 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=194occurred in iteration=4, InterpolantAutomatonStates: 40, 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, 5 MinimizatonAttempts, 147 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 76 LocationsWithAnnotation, 405 PreInvPairs, 413 NumberOfFragments, 323 HoareAnnotationTreeSize, 405 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 76 FomulaSimplificationsInter, 278 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 759 NumberOfCodeBlocks, 759 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 753 ConstructedInterpolants, 0 QuantifiedInterpolants, 1539 SizeOfPredicates, 4 NumberOfNonLiveVariables, 4503 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 1291/1320 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: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 3328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2495]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8004]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7188]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7381]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-16 20:01:44,166 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