./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d60d0af-2a51-4ab9-b855-86910161afca/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d60d0af-2a51-4ab9-b855-86910161afca/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d60d0af-2a51-4ab9-b855-86910161afca/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d60d0af-2a51-4ab9-b855-86910161afca/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d60d0af-2a51-4ab9-b855-86910161afca/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d60d0af-2a51-4ab9-b855-86910161afca/bin/uautomizer-IVEQpCNsaX --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 8b61e347701f0c89420e753e852eb314cc29dd4fd4a4715a05b300c448d0ac03 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 08:29:36,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 08:29:36,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 08:29:36,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 08:29:36,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 08:29:36,560 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 08:29:36,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 08:29:36,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 08:29:36,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 08:29:36,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 08:29:36,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 08:29:36,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 08:29:36,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 08:29:36,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 08:29:36,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 08:29:36,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 08:29:36,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 08:29:36,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 08:29:36,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 08:29:36,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 08:29:36,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 08:29:36,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 08:29:36,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 08:29:36,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 08:29:36,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 08:29:36,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 08:29:36,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 08:29:36,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 08:29:36,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 08:29:36,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 08:29:36,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 08:29:36,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 08:29:36,611 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 08:29:36,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 08:29:36,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 08:29:36,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 08:29:36,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 08:29:36,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 08:29:36,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 08:29:36,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 08:29:36,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 08:29:36,620 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d60d0af-2a51-4ab9-b855-86910161afca/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-09 08:29:36,645 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 08:29:36,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 08:29:36,646 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 08:29:36,646 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 08:29:36,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 08:29:36,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 08:29:36,649 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 08:29:36,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 08:29:36,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 08:29:36,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 08:29:36,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 08:29:36,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 08:29:36,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 08:29:36,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 08:29:36,652 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 08:29:36,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 08:29:36,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 08:29:36,654 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 08:29:36,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 08:29:36,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:29:36,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 08:29:36,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 08:29:36,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 08:29:36,657 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 08:29:36,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 08:29:36,658 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 08:29:36,658 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 08:29:36,658 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 08:29:36,659 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 08:29:36,659 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d60d0af-2a51-4ab9-b855-86910161afca/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d60d0af-2a51-4ab9-b855-86910161afca/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b61e347701f0c89420e753e852eb314cc29dd4fd4a4715a05b300c448d0ac03 [2021-11-09 08:29:36,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 08:29:36,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 08:29:36,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 08:29:36,996 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 08:29:36,998 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 08:29:36,999 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d60d0af-2a51-4ab9-b855-86910161afca/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i [2021-11-09 08:29:37,075 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d60d0af-2a51-4ab9-b855-86910161afca/bin/uautomizer-IVEQpCNsaX/data/00cb20bb4/0a4df5295d6b4676a690c9e6d0d7a1a4/FLAG73f104ab9 [2021-11-09 08:29:37,945 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 08:29:37,946 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d60d0af-2a51-4ab9-b855-86910161afca/sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i [2021-11-09 08:29:37,989 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d60d0af-2a51-4ab9-b855-86910161afca/bin/uautomizer-IVEQpCNsaX/data/00cb20bb4/0a4df5295d6b4676a690c9e6d0d7a1a4/FLAG73f104ab9 [2021-11-09 08:29:38,425 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d60d0af-2a51-4ab9-b855-86910161afca/bin/uautomizer-IVEQpCNsaX/data/00cb20bb4/0a4df5295d6b4676a690c9e6d0d7a1a4 [2021-11-09 08:29:38,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 08:29:38,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 08:29:38,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 08:29:38,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 08:29:38,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 08:29:38,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:29:38" (1/1) ... [2021-11-09 08:29:38,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9456d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:29:38, skipping insertion in model container [2021-11-09 08:29:38,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:29:38" (1/1) ... [2021-11-09 08:29:38,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 08:29:38,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 08:29:38,856 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d60d0af-2a51-4ab9-b855-86910161afca/sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i[4487,4500] [2021-11-09 08:29:38,863 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d60d0af-2a51-4ab9-b855-86910161afca/sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i[4547,4560] [2021-11-09 08:29:38,888 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-09 08:29:38,895 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-09 08:29:39,918 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:29:39,919 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:29:39,919 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:29:39,920 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:29:39,921 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:29:39,936 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:29:39,937 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:29:39,939 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:29:39,940 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:29:40,368 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-09 08:29:40,369 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-09 08:29:40,370 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-09 08:29:40,372 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-09 08:29:40,374 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-09 08:29:40,375 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-09 08:29:40,376 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-09 08:29:40,376 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-09 08:29:40,377 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-09 08:29:40,378 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-09 08:29:40,585 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-09 08:29:40,749 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:29:40,750 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:29:40,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:29:40,809 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 08:29:40,823 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d60d0af-2a51-4ab9-b855-86910161afca/sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i[4487,4500] [2021-11-09 08:29:40,823 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d60d0af-2a51-4ab9-b855-86910161afca/sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i[4547,4560] [2021-11-09 08:29:40,825 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-09 08:29:40,826 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-09 08:29:40,871 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:29:40,871 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:29:40,872 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:29:40,872 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:29:40,873 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:29:40,880 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:29:40,880 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:29:40,881 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:29:40,882 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:29:40,926 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-09 08:29:40,933 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-09 08:29:40,933 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-09 08:29:40,942 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-09 08:29:40,943 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-09 08:29:40,944 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-09 08:29:40,945 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-09 08:29:40,947 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-09 08:29:40,948 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-09 08:29:40,951 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-09 08:29:41,015 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-09 08:29:41,121 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:29:41,122 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-09 08:29:41,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:29:41,431 INFO L208 MainTranslator]: Completed translation [2021-11-09 08:29:41,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:29:41 WrapperNode [2021-11-09 08:29:41,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 08:29:41,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 08:29:41,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 08:29:41,433 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 08:29:41,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:29:41" (1/1) ... [2021-11-09 08:29:41,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:29:41" (1/1) ... [2021-11-09 08:29:41,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 08:29:41,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 08:29:41,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 08:29:41,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 08:29:41,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:29:41" (1/1) ... [2021-11-09 08:29:41,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:29:41" (1/1) ... [2021-11-09 08:29:41,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:29:41" (1/1) ... [2021-11-09 08:29:41,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:29:41" (1/1) ... [2021-11-09 08:29:41,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:29:41" (1/1) ... [2021-11-09 08:29:41,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:29:41" (1/1) ... [2021-11-09 08:29:41,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:29:41" (1/1) ... [2021-11-09 08:29:41,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 08:29:41,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 08:29:41,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 08:29:41,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 08:29:41,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:29:41" (1/1) ... [2021-11-09 08:29:41,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:29:41,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d60d0af-2a51-4ab9-b855-86910161afca/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:29:41,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d60d0af-2a51-4ab9-b855-86910161afca/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 08:29:41,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d60d0af-2a51-4ab9-b855-86910161afca/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 08:29:41,851 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-09 08:29:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-09 08:29:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-09 08:29:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-09 08:29:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 08:29:41,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 08:29:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 08:29:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-09 08:29:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-09 08:29:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 08:29:42,972 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 08:29:42,972 INFO L299 CfgBuilder]: Removed 78 assume(true) statements. [2021-11-09 08:29:42,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:29:42 BoogieIcfgContainer [2021-11-09 08:29:42,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 08:29:42,976 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 08:29:42,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 08:29:42,981 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 08:29:42,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 08:29:38" (1/3) ... [2021-11-09 08:29:42,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34d6258c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:29:42, skipping insertion in model container [2021-11-09 08:29:42,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:29:41" (2/3) ... [2021-11-09 08:29:42,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34d6258c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:29:42, skipping insertion in model container [2021-11-09 08:29:42,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:29:42" (3/3) ... [2021-11-09 08:29:42,985 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_eq_harness.i [2021-11-09 08:29:42,992 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 08:29:42,992 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-11-09 08:29:43,038 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 08:29:43,044 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 [2021-11-09 08:29:43,044 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-09 08:29:43,061 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 92 states have (on average 1.423913043478261) internal successors, (131), 97 states have internal predecessors, (131), 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) [2021-11-09 08:29:43,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-09 08:29:43,068 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:29:43,068 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:29:43,069 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-09 08:29:43,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:29:43,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1662175227, now seen corresponding path program 1 times [2021-11-09 08:29:43,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:29:43,084 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791401118] [2021-11-09 08:29:43,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:29:43,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:29:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:29:43,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:29:43,484 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:29:43,485 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791401118] [2021-11-09 08:29:43,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791401118] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:29:43,486 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:29:43,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 08:29:43,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000883211] [2021-11-09 08:29:43,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-09 08:29:43,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:29:43,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-09 08:29:43,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-09 08:29:43,509 INFO L87 Difference]: Start difference. First operand has 98 states, 92 states have (on average 1.423913043478261) internal successors, (131), 97 states have internal predecessors, (131), 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) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2021-11-09 08:29:43,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:29:43,534 INFO L93 Difference]: Finished difference Result 190 states and 254 transitions. [2021-11-09 08:29:43,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-09 08:29:43,535 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) Word has length 21 [2021-11-09 08:29:43,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:29:43,545 INFO L225 Difference]: With dead ends: 190 [2021-11-09 08:29:43,545 INFO L226 Difference]: Without dead ends: 93 [2021-11-09 08:29:43,548 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-09 08:29:43,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-11-09 08:29:43,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2021-11-09 08:29:43,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 88 states have (on average 1.2613636363636365) internal successors, (111), 92 states have internal predecessors, (111), 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) [2021-11-09 08:29:43,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 111 transitions. [2021-11-09 08:29:43,587 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 111 transitions. Word has length 21 [2021-11-09 08:29:43,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:29:43,588 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 111 transitions. [2021-11-09 08:29:43,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2021-11-09 08:29:43,588 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 111 transitions. [2021-11-09 08:29:43,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-09 08:29:43,590 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:29:43,590 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:29:43,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-09 08:29:43,591 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-09 08:29:43,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:29:43,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1931727491, now seen corresponding path program 1 times [2021-11-09 08:29:43,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:29:43,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112832804] [2021-11-09 08:29:43,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:29:43,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:29:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:29:43,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:29:43,828 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:29:43,829 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112832804] [2021-11-09 08:29:43,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112832804] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:29:43,829 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:29:43,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 08:29:43,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271742980] [2021-11-09 08:29:43,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 08:29:43,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:29:43,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 08:29:43,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 08:29:43,833 INFO L87 Difference]: Start difference. First operand 93 states and 111 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2021-11-09 08:29:43,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:29:43,877 INFO L93 Difference]: Finished difference Result 170 states and 204 transitions. [2021-11-09 08:29:43,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 08:29:43,878 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) Word has length 21 [2021-11-09 08:29:43,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:29:43,880 INFO L225 Difference]: With dead ends: 170 [2021-11-09 08:29:43,880 INFO L226 Difference]: Without dead ends: 93 [2021-11-09 08:29:43,881 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 08:29:43,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-11-09 08:29:43,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2021-11-09 08:29:43,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 88 states have (on average 1.25) internal successors, (110), 92 states have internal predecessors, (110), 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) [2021-11-09 08:29:43,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 110 transitions. [2021-11-09 08:29:43,893 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 110 transitions. Word has length 21 [2021-11-09 08:29:43,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:29:43,894 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 110 transitions. [2021-11-09 08:29:43,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2021-11-09 08:29:43,898 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2021-11-09 08:29:43,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-09 08:29:43,900 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:29:43,900 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:29:43,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-09 08:29:43,901 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-09 08:29:43,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:29:43,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1416092519, now seen corresponding path program 1 times [2021-11-09 08:29:43,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:29:43,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766714207] [2021-11-09 08:29:43,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:29:43,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:29:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:29:44,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:29:44,156 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:29:44,156 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766714207] [2021-11-09 08:29:44,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766714207] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:29:44,157 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:29:44,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-09 08:29:44,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962732415] [2021-11-09 08:29:44,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-09 08:29:44,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:29:44,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-09 08:29:44,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-09 08:29:44,167 INFO L87 Difference]: Start difference. First operand 93 states and 110 transitions. Second operand has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 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) [2021-11-09 08:29:44,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:29:44,470 INFO L93 Difference]: Finished difference Result 148 states and 176 transitions. [2021-11-09 08:29:44,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-09 08:29:44,471 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 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) Word has length 32 [2021-11-09 08:29:44,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:29:44,472 INFO L225 Difference]: With dead ends: 148 [2021-11-09 08:29:44,472 INFO L226 Difference]: Without dead ends: 93 [2021-11-09 08:29:44,473 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2021-11-09 08:29:44,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-11-09 08:29:44,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2021-11-09 08:29:44,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 88 states have (on average 1.2386363636363635) internal successors, (109), 92 states have internal predecessors, (109), 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) [2021-11-09 08:29:44,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 109 transitions. [2021-11-09 08:29:44,484 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 109 transitions. Word has length 32 [2021-11-09 08:29:44,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:29:44,484 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 109 transitions. [2021-11-09 08:29:44,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 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) [2021-11-09 08:29:44,485 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 109 transitions. [2021-11-09 08:29:44,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-09 08:29:44,486 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:29:44,486 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:29:44,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-09 08:29:44,487 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-09 08:29:44,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:29:44,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1445848690, now seen corresponding path program 1 times [2021-11-09 08:29:44,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:29:44,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292456305] [2021-11-09 08:29:44,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:29:44,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:29:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:29:44,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:29:44,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:29:44,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292456305] [2021-11-09 08:29:44,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292456305] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:29:44,617 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:29:44,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 08:29:44,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556335158] [2021-11-09 08:29:44,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 08:29:44,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:29:44,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 08:29:44,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 08:29:44,620 INFO L87 Difference]: Start difference. First operand 93 states and 109 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2021-11-09 08:29:44,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:29:44,719 INFO L93 Difference]: Finished difference Result 166 states and 197 transitions. [2021-11-09 08:29:44,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 08:29:44,719 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) Word has length 37 [2021-11-09 08:29:44,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:29:44,721 INFO L225 Difference]: With dead ends: 166 [2021-11-09 08:29:44,721 INFO L226 Difference]: Without dead ends: 109 [2021-11-09 08:29:44,722 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-09 08:29:44,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-11-09 08:29:44,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 101. [2021-11-09 08:29:44,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 96 states have (on average 1.21875) internal successors, (117), 100 states have internal predecessors, (117), 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) [2021-11-09 08:29:44,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2021-11-09 08:29:44,732 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 37 [2021-11-09 08:29:44,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:29:44,733 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2021-11-09 08:29:44,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2021-11-09 08:29:44,733 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2021-11-09 08:29:44,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-09 08:29:44,735 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:29:44,735 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:29:44,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-09 08:29:44,735 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-09 08:29:44,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:29:44,736 INFO L85 PathProgramCache]: Analyzing trace with hash 165985012, now seen corresponding path program 1 times [2021-11-09 08:29:44,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:29:44,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017594814] [2021-11-09 08:29:44,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:29:44,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:29:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:29:44,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:29:44,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:29:44,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017594814] [2021-11-09 08:29:44,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017594814] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:29:44,982 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:29:44,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-09 08:29:44,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949268843] [2021-11-09 08:29:44,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-09 08:29:44,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:29:44,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-09 08:29:44,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-09 08:29:44,985 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 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) [2021-11-09 08:29:45,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:29:45,293 INFO L93 Difference]: Finished difference Result 151 states and 175 transitions. [2021-11-09 08:29:45,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-09 08:29:45,295 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 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) Word has length 37 [2021-11-09 08:29:45,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:29:45,297 INFO L225 Difference]: With dead ends: 151 [2021-11-09 08:29:45,297 INFO L226 Difference]: Without dead ends: 101 [2021-11-09 08:29:45,299 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=334, Unknown=0, NotChecked=0, Total=462 [2021-11-09 08:29:45,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-11-09 08:29:45,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-11-09 08:29:45,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 96 states have (on average 1.2083333333333333) internal successors, (116), 100 states have internal predecessors, (116), 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) [2021-11-09 08:29:45,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 116 transitions. [2021-11-09 08:29:45,313 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 116 transitions. Word has length 37 [2021-11-09 08:29:45,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:29:45,314 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 116 transitions. [2021-11-09 08:29:45,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 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) [2021-11-09 08:29:45,314 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 116 transitions. [2021-11-09 08:29:45,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-09 08:29:45,319 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:29:45,319 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:29:45,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-09 08:29:45,320 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-09 08:29:45,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:29:45,321 INFO L85 PathProgramCache]: Analyzing trace with hash 2118126403, now seen corresponding path program 1 times [2021-11-09 08:29:45,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:29:45,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808098044] [2021-11-09 08:29:45,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:29:45,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:29:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:29:45,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:29:45,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:29:45,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808098044] [2021-11-09 08:29:45,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808098044] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:29:45,549 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:29:45,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-09 08:29:45,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770846963] [2021-11-09 08:29:45,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-09 08:29:45,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:29:45,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-09 08:29:45,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-11-09 08:29:45,551 INFO L87 Difference]: Start difference. First operand 101 states and 116 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 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) [2021-11-09 08:29:45,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:29:45,837 INFO L93 Difference]: Finished difference Result 162 states and 187 transitions. [2021-11-09 08:29:45,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-09 08:29:45,838 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 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) Word has length 42 [2021-11-09 08:29:45,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:29:45,839 INFO L225 Difference]: With dead ends: 162 [2021-11-09 08:29:45,839 INFO L226 Difference]: Without dead ends: 97 [2021-11-09 08:29:45,840 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2021-11-09 08:29:45,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2021-11-09 08:29:45,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2021-11-09 08:29:45,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 92 states have (on average 1.1956521739130435) internal successors, (110), 96 states have internal predecessors, (110), 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) [2021-11-09 08:29:45,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 110 transitions. [2021-11-09 08:29:45,856 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 110 transitions. Word has length 42 [2021-11-09 08:29:45,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:29:45,857 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 110 transitions. [2021-11-09 08:29:45,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 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) [2021-11-09 08:29:45,860 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2021-11-09 08:29:45,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-09 08:29:45,864 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:29:45,864 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:29:45,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-09 08:29:45,865 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-09 08:29:45,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:29:45,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1578047161, now seen corresponding path program 1 times [2021-11-09 08:29:45,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:29:45,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526269516] [2021-11-09 08:29:45,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:29:45,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:29:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:29:46,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:29:46,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:29:46,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526269516] [2021-11-09 08:29:46,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526269516] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:29:46,286 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:29:46,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-09 08:29:46,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297070057] [2021-11-09 08:29:46,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-09 08:29:46,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:29:46,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 08:29:46,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-09 08:29:46,289 INFO L87 Difference]: Start difference. First operand 97 states and 110 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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) [2021-11-09 08:29:46,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:29:46,345 INFO L93 Difference]: Finished difference Result 97 states and 110 transitions. [2021-11-09 08:29:46,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 08:29:46,346 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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) Word has length 42 [2021-11-09 08:29:46,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:29:46,346 INFO L225 Difference]: With dead ends: 97 [2021-11-09 08:29:46,346 INFO L226 Difference]: Without dead ends: 0 [2021-11-09 08:29:46,347 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-09 08:29:46,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-09 08:29:46,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-09 08:29:46,347 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) [2021-11-09 08:29:46,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-09 08:29:46,348 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2021-11-09 08:29:46,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:29:46,348 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 08:29:46,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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) [2021-11-09 08:29:46,348 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-09 08:29:46,348 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-09 08:29:46,351 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:29:46,351 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:29:46,351 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:29:46,352 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:29:46,352 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:29:46,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-09 08:29:46,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-09 08:29:46,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:29:46,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:29:46,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:29:46,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:29:46,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:29:46,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:29:46,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:29:46,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:29:46,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:29:46,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:29:46,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:29:46,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:29:46,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:29:46,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:29:46,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:29:46,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:29:46,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:29:46,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:29:46,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:29:46,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:29:46,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:29:46,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:29:46,432 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-09 08:29:46,433 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-09 08:29:46,433 INFO L853 garLoopResultBuilder]: At program point L6891-1(lines 6890 6892) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-09 08:29:46,433 INFO L853 garLoopResultBuilder]: At program point L6891(lines 6890 6892) the Hoare annotation is: false [2021-11-09 08:29:46,433 INFO L860 garLoopResultBuilder]: At program point L8923(line 8923) the Hoare annotation is: true [2021-11-09 08:29:46,433 INFO L857 garLoopResultBuilder]: For program point L8032(lines 8032 8036) no Hoare annotation was computed. [2021-11-09 08:29:46,434 INFO L857 garLoopResultBuilder]: For program point L7421(lines 7421 7429) no Hoare annotation was computed. [2021-11-09 08:29:46,434 INFO L857 garLoopResultBuilder]: For program point L6811(lines 6811 6812) no Hoare annotation was computed. [2021-11-09 08:29:46,434 INFO L857 garLoopResultBuilder]: For program point L6811-5(lines 6811 6812) no Hoare annotation was computed. [2021-11-09 08:29:46,434 INFO L857 garLoopResultBuilder]: For program point L6811-3(lines 6811 6812) no Hoare annotation was computed. [2021-11-09 08:29:46,434 INFO L857 garLoopResultBuilder]: For program point L6811-2(lines 6811 6812) no Hoare annotation was computed. [2021-11-09 08:29:46,434 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 224) no Hoare annotation was computed. [2021-11-09 08:29:46,434 INFO L857 garLoopResultBuilder]: For program point L222-1(lines 7102 7112) no Hoare annotation was computed. [2021-11-09 08:29:46,434 INFO L857 garLoopResultBuilder]: For program point L222-2(lines 222 224) no Hoare annotation was computed. [2021-11-09 08:29:46,435 INFO L857 garLoopResultBuilder]: For program point L222-3(lines 222 224) no Hoare annotation was computed. [2021-11-09 08:29:46,435 INFO L857 garLoopResultBuilder]: For program point L222-4(lines 222 224) no Hoare annotation was computed. [2021-11-09 08:29:46,435 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-09 08:29:46,435 INFO L857 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-09 08:29:46,435 INFO L857 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-09 08:29:46,435 INFO L857 garLoopResultBuilder]: For program point L223-3(line 223) no Hoare annotation was computed. [2021-11-09 08:29:46,435 INFO L857 garLoopResultBuilder]: For program point L223-4(line 223) no Hoare annotation was computed. [2021-11-09 08:29:46,435 INFO L857 garLoopResultBuilder]: For program point L223-6(line 223) no Hoare annotation was computed. [2021-11-09 08:29:46,436 INFO L857 garLoopResultBuilder]: For program point L223-7(line 223) no Hoare annotation was computed. [2021-11-09 08:29:46,436 INFO L857 garLoopResultBuilder]: For program point L223-9(line 223) no Hoare annotation was computed. [2021-11-09 08:29:46,436 INFO L857 garLoopResultBuilder]: For program point L223-10(line 223) no Hoare annotation was computed. [2021-11-09 08:29:46,450 INFO L857 garLoopResultBuilder]: For program point L223-12(line 223) no Hoare annotation was computed. [2021-11-09 08:29:46,451 INFO L857 garLoopResultBuilder]: For program point L223-13(line 223) no Hoare annotation was computed. [2021-11-09 08:29:46,451 INFO L857 garLoopResultBuilder]: For program point L8911(lines 8911 8922) no Hoare annotation was computed. [2021-11-09 08:29:46,451 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-09 08:29:46,451 INFO L857 garLoopResultBuilder]: For program point L8912(lines 8912 8913) no Hoare annotation was computed. [2021-11-09 08:29:46,451 INFO L857 garLoopResultBuilder]: For program point L8912-2(lines 8912 8913) no Hoare annotation was computed. [2021-11-09 08:29:46,451 INFO L853 garLoopResultBuilder]: At program point L8038(lines 8019 8039) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-09 08:29:46,452 INFO L853 garLoopResultBuilder]: At program point L6816-1(lines 6807 6817) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-09 08:29:46,452 INFO L853 garLoopResultBuilder]: At program point L6816(lines 6807 6817) the Hoare annotation is: false [2021-11-09 08:29:46,452 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-09 08:29:46,452 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-09 08:29:46,452 INFO L857 garLoopResultBuilder]: For program point L210(lines 210 212) no Hoare annotation was computed. [2021-11-09 08:29:46,452 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2021-11-09 08:29:46,452 INFO L857 garLoopResultBuilder]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2021-11-09 08:29:46,453 INFO L857 garLoopResultBuilder]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2021-11-09 08:29:46,453 INFO L857 garLoopResultBuilder]: For program point L210-4(lines 210 212) no Hoare annotation was computed. [2021-11-09 08:29:46,453 INFO L857 garLoopResultBuilder]: For program point L210-5(lines 210 212) no Hoare annotation was computed. [2021-11-09 08:29:46,453 INFO L857 garLoopResultBuilder]: For program point L210-6(lines 210 212) no Hoare annotation was computed. [2021-11-09 08:29:46,453 INFO L857 garLoopResultBuilder]: For program point L210-7(lines 8026 8030) no Hoare annotation was computed. [2021-11-09 08:29:46,453 INFO L857 garLoopResultBuilder]: For program point L210-8(lines 210 212) no Hoare annotation was computed. [2021-11-09 08:29:46,453 INFO L857 garLoopResultBuilder]: For program point L8915(line 8915) no Hoare annotation was computed. [2021-11-09 08:29:46,454 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-09 08:29:46,454 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-09 08:29:46,454 INFO L857 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-11-09 08:29:46,454 INFO L857 garLoopResultBuilder]: For program point L211-4(line 211) no Hoare annotation was computed. [2021-11-09 08:29:46,454 INFO L857 garLoopResultBuilder]: For program point L211-6(line 211) no Hoare annotation was computed. [2021-11-09 08:29:46,454 INFO L857 garLoopResultBuilder]: For program point L8915-2(line 8915) no Hoare annotation was computed. [2021-11-09 08:29:46,454 INFO L857 garLoopResultBuilder]: For program point L211-8(line 211) no Hoare annotation was computed. [2021-11-09 08:29:46,454 INFO L857 garLoopResultBuilder]: For program point L211-10(line 211) no Hoare annotation was computed. [2021-11-09 08:29:46,455 INFO L857 garLoopResultBuilder]: For program point L211-12(line 211) no Hoare annotation was computed. [2021-11-09 08:29:46,455 INFO L860 garLoopResultBuilder]: At program point L261(line 261) the Hoare annotation is: true [2021-11-09 08:29:46,455 INFO L857 garLoopResultBuilder]: For program point L211-14(line 211) no Hoare annotation was computed. [2021-11-09 08:29:46,455 INFO L853 garLoopResultBuilder]: At program point L261-1(line 261) the Hoare annotation is: false [2021-11-09 08:29:46,455 INFO L853 garLoopResultBuilder]: At program point L261-2(line 261) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-09 08:29:46,455 INFO L857 garLoopResultBuilder]: For program point L211-16(line 211) no Hoare annotation was computed. [2021-11-09 08:29:46,455 INFO L853 garLoopResultBuilder]: At program point L261-3(line 261) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-09 08:29:46,456 INFO L857 garLoopResultBuilder]: For program point L8916(lines 8916 8921) no Hoare annotation was computed. [2021-11-09 08:29:46,456 INFO L857 garLoopResultBuilder]: For program point L6257-2(line 6257) no Hoare annotation was computed. [2021-11-09 08:29:46,456 INFO L857 garLoopResultBuilder]: For program point L6257-3(line 6257) no Hoare annotation was computed. [2021-11-09 08:29:46,456 INFO L857 garLoopResultBuilder]: For program point L6257(line 6257) no Hoare annotation was computed. [2021-11-09 08:29:46,456 INFO L853 garLoopResultBuilder]: At program point L6257-6(lines 6253 6258) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-09 08:29:46,456 INFO L857 garLoopResultBuilder]: For program point L6257-7(line 6257) no Hoare annotation was computed. [2021-11-09 08:29:46,456 INFO L857 garLoopResultBuilder]: For program point L6257-5(line 6257) no Hoare annotation was computed. [2021-11-09 08:29:46,457 INFO L857 garLoopResultBuilder]: For program point L6257-10(line 6257) no Hoare annotation was computed. [2021-11-09 08:29:46,457 INFO L853 garLoopResultBuilder]: At program point L7430(lines 7412 7431) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-09 08:29:46,457 INFO L857 garLoopResultBuilder]: For program point L6257-9(line 6257) no Hoare annotation was computed. [2021-11-09 08:29:46,457 INFO L857 garLoopResultBuilder]: For program point L6257-14(line 6257) no Hoare annotation was computed. [2021-11-09 08:29:46,457 INFO L857 garLoopResultBuilder]: For program point L6257-12(line 6257) no Hoare annotation was computed. [2021-11-09 08:29:46,457 INFO L853 garLoopResultBuilder]: At program point L6257-13(lines 6253 6258) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-09 08:29:46,457 INFO L857 garLoopResultBuilder]: For program point L6257-19(line 6257) no Hoare annotation was computed. [2021-11-09 08:29:46,457 INFO L857 garLoopResultBuilder]: For program point L6257-16(line 6257) no Hoare annotation was computed. [2021-11-09 08:29:46,458 INFO L857 garLoopResultBuilder]: For program point L6257-17(line 6257) no Hoare annotation was computed. [2021-11-09 08:29:46,458 INFO L857 garLoopResultBuilder]: For program point L6257-23(line 6257) no Hoare annotation was computed. [2021-11-09 08:29:46,458 INFO L857 garLoopResultBuilder]: For program point L7100(lines 7100 7113) no Hoare annotation was computed. [2021-11-09 08:29:46,458 INFO L853 garLoopResultBuilder]: At program point L6257-20(lines 6253 6258) the Hoare annotation is: false [2021-11-09 08:29:46,458 INFO L857 garLoopResultBuilder]: For program point L6257-21(line 6257) no Hoare annotation was computed. [2021-11-09 08:29:46,458 INFO L857 garLoopResultBuilder]: For program point L7414(line 7414) no Hoare annotation was computed. [2021-11-09 08:29:46,458 INFO L857 garLoopResultBuilder]: For program point L6257-26(line 6257) no Hoare annotation was computed. [2021-11-09 08:29:46,458 INFO L853 garLoopResultBuilder]: At program point L6257-27(lines 6253 6258) the Hoare annotation is: false [2021-11-09 08:29:46,459 INFO L857 garLoopResultBuilder]: For program point L6257-24(line 6257) no Hoare annotation was computed. [2021-11-09 08:29:46,459 INFO L857 garLoopResultBuilder]: For program point L7414-2(line 7414) no Hoare annotation was computed. [2021-11-09 08:29:46,459 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-09 08:29:46,459 INFO L857 garLoopResultBuilder]: For program point L7415(line 7415) no Hoare annotation was computed. [2021-11-09 08:29:46,459 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-09 08:29:46,459 INFO L853 garLoopResultBuilder]: At program point L6804-1(lines 6801 6805) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-09 08:29:46,459 INFO L853 garLoopResultBuilder]: At program point L6804(lines 6801 6805) the Hoare annotation is: false [2021-11-09 08:29:46,460 INFO L857 garLoopResultBuilder]: For program point L7415-2(line 7415) no Hoare annotation was computed. [2021-11-09 08:29:46,460 INFO L853 garLoopResultBuilder]: At program point L6887-1(lines 6883 6888) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-09 08:29:46,460 INFO L853 garLoopResultBuilder]: At program point L6887(lines 6883 6888) the Hoare annotation is: false [2021-11-09 08:29:46,460 INFO L857 garLoopResultBuilder]: For program point L7416(lines 7416 7420) no Hoare annotation was computed. [2021-11-09 08:29:46,460 INFO L853 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: (= 16 ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size) [2021-11-09 08:29:46,460 INFO L853 garLoopResultBuilder]: At program point L266-1(line 266) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-09 08:29:46,460 INFO L853 garLoopResultBuilder]: At program point L266-2(line 266) the Hoare annotation is: false [2021-11-09 08:29:46,463 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:29:46,465 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-09 08:29:46,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 08:29:46 BoogieIcfgContainer [2021-11-09 08:29:46,480 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-09 08:29:46,480 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 08:29:46,480 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 08:29:46,480 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 08:29:46,481 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:29:42" (3/4) ... [2021-11-09 08:29:46,484 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-09 08:29:46,501 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2021-11-09 08:29:46,503 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-09 08:29:46,504 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-09 08:29:46,506 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-09 08:29:46,753 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d60d0af-2a51-4ab9-b855-86910161afca/bin/uautomizer-IVEQpCNsaX/witness.graphml [2021-11-09 08:29:46,753 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 08:29:46,754 INFO L168 Benchmark]: Toolchain (without parser) took 8323.08 ms. Allocated memory was 86.0 MB in the beginning and 192.9 MB in the end (delta: 107.0 MB). Free memory was 59.1 MB in the beginning and 59.9 MB in the end (delta: -743.0 kB). Peak memory consumption was 104.6 MB. Max. memory is 16.1 GB. [2021-11-09 08:29:46,755 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory is still 66.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:29:46,755 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2998.87 ms. Allocated memory was 86.0 MB in the beginning and 159.4 MB in the end (delta: 73.4 MB). Free memory was 58.9 MB in the beginning and 100.9 MB in the end (delta: -41.9 MB). Peak memory consumption was 61.8 MB. Max. memory is 16.1 GB. [2021-11-09 08:29:46,755 INFO L168 Benchmark]: Boogie Procedure Inliner took 239.88 ms. Allocated memory is still 159.4 MB. Free memory was 100.9 MB in the beginning and 91.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-09 08:29:46,756 INFO L168 Benchmark]: Boogie Preprocessor took 63.31 ms. Allocated memory is still 159.4 MB. Free memory was 91.2 MB in the beginning and 86.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-09 08:29:46,756 INFO L168 Benchmark]: RCFGBuilder took 1236.92 ms. Allocated memory is still 159.4 MB. Free memory was 86.2 MB in the beginning and 83.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-11-09 08:29:46,756 INFO L168 Benchmark]: TraceAbstraction took 3503.81 ms. Allocated memory was 159.4 MB in the beginning and 192.9 MB in the end (delta: 33.6 MB). Free memory was 83.2 MB in the beginning and 135.4 MB in the end (delta: -52.2 MB). Peak memory consumption was 55.8 MB. Max. memory is 16.1 GB. [2021-11-09 08:29:46,757 INFO L168 Benchmark]: Witness Printer took 273.07 ms. Allocated memory is still 192.9 MB. Free memory was 135.4 MB in the beginning and 59.9 MB in the end (delta: 75.5 MB). Peak memory consumption was 73.4 MB. Max. memory is 16.1 GB. [2021-11-09 08:29:46,759 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory is still 66.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2998.87 ms. Allocated memory was 86.0 MB in the beginning and 159.4 MB in the end (delta: 73.4 MB). Free memory was 58.9 MB in the beginning and 100.9 MB in the end (delta: -41.9 MB). Peak memory consumption was 61.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 239.88 ms. Allocated memory is still 159.4 MB. Free memory was 100.9 MB in the beginning and 91.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.31 ms. Allocated memory is still 159.4 MB. Free memory was 91.2 MB in the beginning and 86.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1236.92 ms. Allocated memory is still 159.4 MB. Free memory was 86.2 MB in the beginning and 83.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3503.81 ms. Allocated memory was 159.4 MB in the beginning and 192.9 MB in the end (delta: 33.6 MB). Free memory was 83.2 MB in the beginning and 135.4 MB in the end (delta: -52.2 MB). Peak memory consumption was 55.8 MB. Max. memory is 16.1 GB. * Witness Printer took 273.07 ms. Allocated memory is still 192.9 MB. Free memory was 135.4 MB in the beginning and 59.9 MB in the end (delta: 75.5 MB). Peak memory consumption was 73.4 MB. Max. memory is 16.1 GB. * 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 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - 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 1 procedures, 98 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 601 SDtfs, 1489 SDslu, 1241 SDs, 0 SdLazy, 358 SolverSat, 57 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=4, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 22 PreInvPairs, 34 NumberOfFragments, 90 HoareAnnotationTreeSize, 22 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 507 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 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 5 specifications checked. All of them hold - InvariantResult [Line: 6253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6883]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 6801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6807]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 7412]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 6253]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 6890]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 6253]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 16 == max_size - InvariantResult [Line: 6253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8923]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 6890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8019]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6883]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 6801]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-09 08:29:46,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d60d0af-2a51-4ab9-b855-86910161afca/bin/uautomizer-IVEQpCNsaX/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