./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97018074-4354-485e-8f64-0de881a7d327/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97018074-4354-485e-8f64-0de881a7d327/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97018074-4354-485e-8f64-0de881a7d327/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97018074-4354-485e-8f64-0de881a7d327/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97018074-4354-485e-8f64-0de881a7d327/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97018074-4354-485e-8f64-0de881a7d327/bin/uautomizer-DrprNOufMa --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 d58b6cbe3dbcae2c6bf4b35286cc82fa39ed49d435b7e41930b97647d699f843 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:23:41,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:23:41,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:23:41,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:23:41,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:23:41,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:23:41,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:23:41,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:23:41,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:23:41,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:23:41,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:23:41,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:23:41,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:23:41,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:23:41,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:23:41,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:23:41,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:23:41,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:23:41,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:23:41,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:23:41,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:23:41,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:23:41,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:23:41,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:23:41,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:23:41,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:23:41,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:23:41,384 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:23:41,385 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:23:41,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:23:41,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:23:41,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:23:41,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:23:41,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:23:41,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:23:41,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:23:41,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:23:41,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:23:41,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:23:41,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:23:41,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:23:41,392 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97018074-4354-485e-8f64-0de881a7d327/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 22:23:41,413 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:23:41,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:23:41,414 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:23:41,414 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:23:41,415 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:23:41,415 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:23:41,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:23:41,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:23:41,416 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:23:41,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:23:41,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:23:41,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:23:41,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:23:41,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:23:41,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:23:41,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:23:41,417 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:23:41,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:23:41,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:23:41,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:23:41,417 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:23:41,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:23:41,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:23:41,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:23:41,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:23:41,418 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:23:41,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 22:23:41,418 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 22:23:41,418 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 22:23:41,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:23:41,419 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:23:41,419 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_97018074-4354-485e-8f64-0de881a7d327/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97018074-4354-485e-8f64-0de881a7d327/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d58b6cbe3dbcae2c6bf4b35286cc82fa39ed49d435b7e41930b97647d699f843 [2021-12-06 22:23:41,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:23:41,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:23:41,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:23:41,623 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:23:41,624 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:23:41,625 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97018074-4354-485e-8f64-0de881a7d327/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i [2021-12-06 22:23:41,670 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97018074-4354-485e-8f64-0de881a7d327/bin/uautomizer-DrprNOufMa/data/81a17c2cd/ade30b6d7d5145f1b57b053c077e2662/FLAG785e0824f [2021-12-06 22:23:42,256 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:23:42,256 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97018074-4354-485e-8f64-0de881a7d327/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i [2021-12-06 22:23:42,278 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97018074-4354-485e-8f64-0de881a7d327/bin/uautomizer-DrprNOufMa/data/81a17c2cd/ade30b6d7d5145f1b57b053c077e2662/FLAG785e0824f [2021-12-06 22:23:42,702 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97018074-4354-485e-8f64-0de881a7d327/bin/uautomizer-DrprNOufMa/data/81a17c2cd/ade30b6d7d5145f1b57b053c077e2662 [2021-12-06 22:23:42,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:23:42,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:23:42,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:23:42,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:23:42,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:23:42,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:23:42" (1/1) ... [2021-12-06 22:23:42,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f9250b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:23:42, skipping insertion in model container [2021-12-06 22:23:42,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:23:42" (1/1) ... [2021-12-06 22:23:42,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:23:42,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:23:42,949 WARN L230 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_97018074-4354-485e-8f64-0de881a7d327/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4497,4510] [2021-12-06 22:23:42,953 WARN L230 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_97018074-4354-485e-8f64-0de881a7d327/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4557,4570] [2021-12-06 22:23:43,494 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-06 22:23:43,552 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:23:43,553 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:23:43,553 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:23:43,554 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:23:43,555 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:23:43,566 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:23:43,567 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:23:43,568 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:23:43,569 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:23:43,570 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:23:43,571 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:23:43,571 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:23:43,571 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:23:43,817 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-06 22:23:43,818 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-06 22:23:43,818 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-06 22:23:43,819 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-06 22:23:43,820 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-06 22:23:43,821 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-06 22:23:43,821 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-06 22:23:43,822 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-06 22:23:43,822 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-06 22:23:43,822 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-06 22:23:43,925 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:23:43,929 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:23:43,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:23:43,994 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:23:44,004 WARN L230 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_97018074-4354-485e-8f64-0de881a7d327/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4497,4510] [2021-12-06 22:23:44,004 WARN L230 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_97018074-4354-485e-8f64-0de881a7d327/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4557,4570] [2021-12-06 22:23:44,027 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-06 22:23:44,038 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:23:44,038 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:23:44,039 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:23:44,039 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:23:44,040 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:23:44,044 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:23:44,045 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:23:44,046 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:23:44,046 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:23:44,047 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:23:44,047 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:23:44,048 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:23:44,048 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:23:44,072 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-06 22:23:44,072 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-06 22:23:44,073 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-06 22:23:44,074 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-06 22:23:44,074 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-06 22:23:44,075 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-06 22:23:44,075 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-06 22:23:44,076 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-06 22:23:44,076 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-06 22:23:44,076 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-06 22:23:44,096 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:23:44,100 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:23:44,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:23:44,302 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:23:44,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:23:44 WrapperNode [2021-12-06 22:23:44,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:23:44,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:23:44,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:23:44,303 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:23:44,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:23:44" (1/1) ... [2021-12-06 22:23:44,394 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:23:44" (1/1) ... [2021-12-06 22:23:44,448 INFO L137 Inliner]: procedures = 690, calls = 1687, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 616 [2021-12-06 22:23:44,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:23:44,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:23:44,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:23:44,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:23:44,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:23:44" (1/1) ... [2021-12-06 22:23:44,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:23:44" (1/1) ... [2021-12-06 22:23:44,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:23:44" (1/1) ... [2021-12-06 22:23:44,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:23:44" (1/1) ... [2021-12-06 22:23:44,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:23:44" (1/1) ... [2021-12-06 22:23:44,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:23:44" (1/1) ... [2021-12-06 22:23:44,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:23:44" (1/1) ... [2021-12-06 22:23:44,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:23:44,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:23:44,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:23:44,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:23:44,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:23:44" (1/1) ... [2021-12-06 22:23:44,530 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:23:44,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97018074-4354-485e-8f64-0de881a7d327/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:23:44,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97018074-4354-485e-8f64-0de881a7d327/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:23:44,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97018074-4354-485e-8f64-0de881a7d327/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:23:44,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 22:23:44,579 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-12-06 22:23:44,579 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-12-06 22:23:44,579 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-12-06 22:23:44,579 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-12-06 22:23:44,579 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-06 22:23:44,579 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-06 22:23:44,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 22:23:44,579 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-06 22:23:44,579 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-06 22:23:44,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-06 22:23:44,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-06 22:23:44,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 22:23:44,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:23:44,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 22:23:44,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:23:44,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:23:44,580 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-06 22:23:44,580 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-06 22:23:44,580 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-12-06 22:23:44,580 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-12-06 22:23:44,580 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-06 22:23:44,580 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-06 22:23:44,580 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 22:23:44,580 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 22:23:44,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 22:23:44,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 22:23:44,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 22:23:44,580 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-06 22:23:44,581 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-06 22:23:44,581 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-06 22:23:44,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-06 22:23:44,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 22:23:44,581 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-12-06 22:23:44,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-12-06 22:23:44,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:23:44,737 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:23:44,738 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:23:45,360 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:23:45,369 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:23:45,369 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 22:23:45,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:23:45 BoogieIcfgContainer [2021-12-06 22:23:45,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:23:45,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:23:45,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:23:45,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:23:45,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:23:42" (1/3) ... [2021-12-06 22:23:45,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b487ab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:23:45, skipping insertion in model container [2021-12-06 22:23:45,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:23:44" (2/3) ... [2021-12-06 22:23:45,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b487ab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:23:45, skipping insertion in model container [2021-12-06 22:23:45,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:23:45" (3/3) ... [2021-12-06 22:23:45,378 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_capacity_harness.i [2021-12-06 22:23:45,383 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:23:45,384 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 22:23:45,427 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:23:45,434 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 [2021-12-06 22:23:45,434 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 22:23:45,453 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 77 states have (on average 1.1948051948051948) internal successors, (92), 78 states have internal predecessors, (92), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-06 22:23:45,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-12-06 22:23:45,461 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:23:45,461 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:23:45,462 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:23:45,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:23:45,466 INFO L85 PathProgramCache]: Analyzing trace with hash -817942521, now seen corresponding path program 1 times [2021-12-06 22:23:45,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:23:45,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415519736] [2021-12-06 22:23:45,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:23:45,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:23:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:45,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:23:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:45,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:23:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:45,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 22:23:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:45,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:23:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:45,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-06 22:23:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:45,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:23:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:45,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:23:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:45,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-06 22:23:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:45,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-06 22:23:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:45,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 22:23:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:45,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-06 22:23:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:45,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-06 22:23:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:45,980 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-12-06 22:23:45,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:23:45,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415519736] [2021-12-06 22:23:45,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415519736] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:23:45,981 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:23:45,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 22:23:45,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429589510] [2021-12-06 22:23:45,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:23:45,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 22:23:45,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:23:46,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:23:46,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:23:46,010 INFO L87 Difference]: Start difference. First operand has 122 states, 77 states have (on average 1.1948051948051948) internal successors, (92), 78 states have internal predecessors, (92), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-06 22:23:46,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:23:46,311 INFO L93 Difference]: Finished difference Result 239 states and 325 transitions. [2021-12-06 22:23:46,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 22:23:46,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 74 [2021-12-06 22:23:46,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:23:46,321 INFO L225 Difference]: With dead ends: 239 [2021-12-06 22:23:46,321 INFO L226 Difference]: Without dead ends: 119 [2021-12-06 22:23:46,324 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:23:46,327 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 33 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 22:23:46,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 194 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 22:23:46,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-12-06 22:23:46,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 117. [2021-12-06 22:23:46,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 73 states have (on average 1.178082191780822) internal successors, (86), 74 states have internal predecessors, (86), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2021-12-06 22:23:46,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 147 transitions. [2021-12-06 22:23:46,366 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 147 transitions. Word has length 74 [2021-12-06 22:23:46,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:23:46,367 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 147 transitions. [2021-12-06 22:23:46,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-06 22:23:46,367 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 147 transitions. [2021-12-06 22:23:46,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-12-06 22:23:46,370 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:23:46,370 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:23:46,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 22:23:46,371 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:23:46,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:23:46,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1310312895, now seen corresponding path program 1 times [2021-12-06 22:23:46,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:23:46,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873795410] [2021-12-06 22:23:46,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:23:46,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:23:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:46,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:23:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:46,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:23:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:46,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 22:23:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:46,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:23:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:46,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-06 22:23:46,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:46,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:23:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:46,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:23:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:46,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-06 22:23:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:46,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-06 22:23:46,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:46,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 22:23:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:46,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-06 22:23:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:46,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-06 22:23:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:46,606 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-12-06 22:23:46,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:23:46,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873795410] [2021-12-06 22:23:46,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873795410] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:23:46,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46791351] [2021-12-06 22:23:46,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:23:46,607 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:23:46,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97018074-4354-485e-8f64-0de881a7d327/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:23:46,608 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97018074-4354-485e-8f64-0de881a7d327/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:23:46,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97018074-4354-485e-8f64-0de881a7d327/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 22:23:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:46,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 2056 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 22:23:46,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:23:47,044 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-12-06 22:23:47,044 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:23:47,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46791351] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:23:47,045 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:23:47,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2021-12-06 22:23:47,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541359116] [2021-12-06 22:23:47,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:23:47,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:23:47,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:23:47,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:23:47,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-12-06 22:23:47,047 INFO L87 Difference]: Start difference. First operand 117 states and 147 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-12-06 22:23:47,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:23:47,194 INFO L93 Difference]: Finished difference Result 199 states and 254 transitions. [2021-12-06 22:23:47,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:23:47,195 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 74 [2021-12-06 22:23:47,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:23:47,196 INFO L225 Difference]: With dead ends: 199 [2021-12-06 22:23:47,197 INFO L226 Difference]: Without dead ends: 119 [2021-12-06 22:23:47,198 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-12-06 22:23:47,199 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 158 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:23:47,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 409 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 22:23:47,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-12-06 22:23:47,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2021-12-06 22:23:47,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 74 states have (on average 1.1756756756756757) internal successors, (87), 76 states have internal predecessors, (87), 31 states have call successors, (31), 12 states have call predecessors, (31), 13 states have return successors, (32), 30 states have call predecessors, (32), 30 states have call successors, (32) [2021-12-06 22:23:47,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 150 transitions. [2021-12-06 22:23:47,219 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 150 transitions. Word has length 74 [2021-12-06 22:23:47,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:23:47,220 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 150 transitions. [2021-12-06 22:23:47,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-12-06 22:23:47,220 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 150 transitions. [2021-12-06 22:23:47,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-06 22:23:47,223 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:23:47,223 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:23:47,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97018074-4354-485e-8f64-0de881a7d327/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 22:23:47,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97018074-4354-485e-8f64-0de881a7d327/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-12-06 22:23:47,424 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:23:47,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:23:47,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1377860737, now seen corresponding path program 1 times [2021-12-06 22:23:47,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:23:47,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731938047] [2021-12-06 22:23:47,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:23:47,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:23:47,470 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 22:23:47,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2004783591] [2021-12-06 22:23:47,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:23:47,471 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:23:47,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97018074-4354-485e-8f64-0de881a7d327/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:23:47,472 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97018074-4354-485e-8f64-0de881a7d327/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:23:47,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97018074-4354-485e-8f64-0de881a7d327/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 22:23:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:47,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 2197 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 22:23:47,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:23:47,832 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-12-06 22:23:47,832 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:23:47,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:23:47,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731938047] [2021-12-06 22:23:47,833 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 22:23:47,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004783591] [2021-12-06 22:23:47,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004783591] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:23:47,833 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:23:47,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:23:47,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269789713] [2021-12-06 22:23:47,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:23:47,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 22:23:47,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:23:47,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:23:47,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:23:47,835 INFO L87 Difference]: Start difference. First operand 119 states and 150 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2021-12-06 22:23:47,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:23:47,959 INFO L93 Difference]: Finished difference Result 189 states and 236 transitions. [2021-12-06 22:23:47,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 22:23:47,960 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 89 [2021-12-06 22:23:47,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:23:47,961 INFO L225 Difference]: With dead ends: 189 [2021-12-06 22:23:47,961 INFO L226 Difference]: Without dead ends: 117 [2021-12-06 22:23:47,962 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-12-06 22:23:47,963 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 170 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:23:47,963 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 503 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 22:23:47,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-12-06 22:23:47,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2021-12-06 22:23:47,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 73 states have (on average 1.1643835616438356) internal successors, (85), 74 states have internal predecessors, (85), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2021-12-06 22:23:47,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 146 transitions. [2021-12-06 22:23:47,974 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 146 transitions. Word has length 89 [2021-12-06 22:23:47,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:23:47,974 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 146 transitions. [2021-12-06 22:23:47,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2021-12-06 22:23:47,974 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 146 transitions. [2021-12-06 22:23:47,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-12-06 22:23:47,976 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:23:47,976 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:23:47,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97018074-4354-485e-8f64-0de881a7d327/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 22:23:48,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97018074-4354-485e-8f64-0de881a7d327/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:23:48,178 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:23:48,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:23:48,180 INFO L85 PathProgramCache]: Analyzing trace with hash -355007149, now seen corresponding path program 1 times [2021-12-06 22:23:48,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:23:48,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511881209] [2021-12-06 22:23:48,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:23:48,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:23:48,281 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 22:23:48,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1278368631] [2021-12-06 22:23:48,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:23:48,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:23:48,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97018074-4354-485e-8f64-0de881a7d327/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:23:48,282 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97018074-4354-485e-8f64-0de881a7d327/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:23:48,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97018074-4354-485e-8f64-0de881a7d327/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 22:23:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:48,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 2479 conjuncts, 239 conjunts are in the unsatisfiable core [2021-12-06 22:23:48,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:23:48,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-06 22:23:49,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-12-06 22:23:49,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-12-06 22:23:49,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:23:49,485 INFO L354 Elim1Store]: treesize reduction 44, result has 47.0 percent of original size [2021-12-06 22:23:49,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 48 [2021-12-06 22:24:54,300 INFO L354 Elim1Store]: treesize reduction 53, result has 32.9 percent of original size [2021-12-06 22:24:54,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 53 [2021-12-06 22:25:56,690 INFO L354 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2021-12-06 22:25:56,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 30 [2021-12-06 22:26:37,576 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_235 (Array Int Int))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_235))) is different from true [2021-12-06 22:26:37,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:26:37,802 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-06 22:26:37,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 112 treesize of output 101 [2021-12-06 22:26:37,816 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-06 22:26:37,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-12-06 22:26:37,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 67