./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653ea3e-3c73-4f96-8911-adbf7f4cf510/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653ea3e-3c73-4f96-8911-adbf7f4cf510/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653ea3e-3c73-4f96-8911-adbf7f4cf510/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653ea3e-3c73-4f96-8911-adbf7f4cf510/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653ea3e-3c73-4f96-8911-adbf7f4cf510/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653ea3e-3c73-4f96-8911-adbf7f4cf510/bin/uautomizer-vX5HgA9Q3a --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 a5cc7d054134727d17d186899e752bcb9b04f811a63c25a6e1e851147ab3514d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 16:37:15,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:37:15,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:37:15,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:37:15,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:37:15,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:37:15,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:37:15,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:37:15,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:37:15,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:37:15,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:37:15,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:37:15,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:37:15,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:37:15,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:37:15,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:37:15,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:37:15,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:37:15,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:37:15,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:37:15,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:37:15,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:37:15,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:37:15,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:37:15,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:37:15,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:37:15,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:37:15,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:37:15,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:37:15,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:37:15,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:37:15,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:37:15,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:37:15,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:37:15,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:37:15,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:37:15,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:37:15,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:37:15,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:37:15,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:37:15,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:37:15,589 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653ea3e-3c73-4f96-8911-adbf7f4cf510/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 16:37:15,629 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:37:15,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:37:15,635 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:37:15,635 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:37:15,636 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:37:15,636 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:37:15,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:37:15,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:37:15,638 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:37:15,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:37:15,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:37:15,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:37:15,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:37:15,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:37:15,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:37:15,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:37:15,642 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:37:15,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:37:15,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:37:15,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:37:15,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:37:15,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:37:15,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:37:15,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:37:15,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:37:15,645 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:37:15,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:37:15,646 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:37:15,646 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:37:15,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:37:15,647 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_a653ea3e-3c73-4f96-8911-adbf7f4cf510/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653ea3e-3c73-4f96-8911-adbf7f4cf510/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5cc7d054134727d17d186899e752bcb9b04f811a63c25a6e1e851147ab3514d [2022-11-21 16:37:15,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:37:15,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:37:15,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:37:15,938 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:37:15,938 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:37:15,940 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653ea3e-3c73-4f96-8911-adbf7f4cf510/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i [2022-11-21 16:37:19,009 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:37:19,643 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:37:19,645 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653ea3e-3c73-4f96-8911-adbf7f4cf510/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i [2022-11-21 16:37:19,686 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653ea3e-3c73-4f96-8911-adbf7f4cf510/bin/uautomizer-vX5HgA9Q3a/data/f45a01255/1896ca1fcfa7422999e4b25df121c87b/FLAG5d3613096 [2022-11-21 16:37:19,708 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653ea3e-3c73-4f96-8911-adbf7f4cf510/bin/uautomizer-vX5HgA9Q3a/data/f45a01255/1896ca1fcfa7422999e4b25df121c87b [2022-11-21 16:37:19,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:37:19,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:37:19,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:37:19,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:37:19,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:37:19,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:37:19" (1/1) ... [2022-11-21 16:37:19,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@663f893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:19, skipping insertion in model container [2022-11-21 16:37:19,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:37:19" (1/1) ... [2022-11-21 16:37:19,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:37:19,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:37:20,111 WARN L237 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_a653ea3e-3c73-4f96-8911-adbf7f4cf510/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4500,4513] [2022-11-21 16:37:20,122 WARN L237 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_a653ea3e-3c73-4f96-8911-adbf7f4cf510/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4560,4573] [2022-11-21 16:37:21,472 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:21,479 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:21,482 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:21,483 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:21,486 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:21,503 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:21,504 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:21,506 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:21,509 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:22,065 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-21 16:37:22,067 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-21 16:37:22,068 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-21 16:37:22,069 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-21 16:37:22,070 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-21 16:37:22,071 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-21 16:37:22,072 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-21 16:37:22,073 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-21 16:37:22,073 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-21 16:37:22,074 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-21 16:37:22,270 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-21 16:37:22,365 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:22,366 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:22,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:37:22,609 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:37:22,646 WARN L237 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_a653ea3e-3c73-4f96-8911-adbf7f4cf510/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4500,4513] [2022-11-21 16:37:22,647 WARN L237 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_a653ea3e-3c73-4f96-8911-adbf7f4cf510/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4560,4573] [2022-11-21 16:37:22,694 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:22,695 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:22,695 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:22,697 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:22,698 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:22,716 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:22,719 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:22,720 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:22,721 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:22,748 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-21 16:37:22,749 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-21 16:37:22,750 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-21 16:37:22,750 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-21 16:37:22,751 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-21 16:37:22,751 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-21 16:37:22,752 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-21 16:37:22,752 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-21 16:37:22,753 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-21 16:37:22,753 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-21 16:37:22,769 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-21 16:37:22,815 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:22,815 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:22,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:37:23,102 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:37:23,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:23 WrapperNode [2022-11-21 16:37:23,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:37:23,104 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:37:23,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:37:23,104 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:37:23,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:23" (1/1) ... [2022-11-21 16:37:23,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:23" (1/1) ... [2022-11-21 16:37:23,320 INFO L138 Inliner]: procedures = 690, calls = 2599, calls flagged for inlining = 56, calls inlined = 3, statements flattened = 727 [2022-11-21 16:37:23,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:37:23,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:37:23,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:37:23,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:37:23,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:23" (1/1) ... [2022-11-21 16:37:23,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:23" (1/1) ... [2022-11-21 16:37:23,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:23" (1/1) ... [2022-11-21 16:37:23,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:23" (1/1) ... [2022-11-21 16:37:23,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:23" (1/1) ... [2022-11-21 16:37:23,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:23" (1/1) ... [2022-11-21 16:37:23,424 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:23" (1/1) ... [2022-11-21 16:37:23,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:23" (1/1) ... [2022-11-21 16:37:23,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:37:23,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:37:23,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:37:23,453 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:37:23,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:23" (1/1) ... [2022-11-21 16:37:23,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:37:23,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653ea3e-3c73-4f96-8911-adbf7f4cf510/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:37:23,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653ea3e-3c73-4f96-8911-adbf7f4cf510/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:37:23,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653ea3e-3c73-4f96-8911-adbf7f4cf510/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:37:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-21 16:37:23,540 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-21 16:37:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:37:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-21 16:37:23,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-21 16:37:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 16:37:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:37:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:37:23,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:37:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_array_ignore_case [2022-11-21 16:37:23,542 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_array_ignore_case [2022-11-21 16:37:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-21 16:37:23,543 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-21 16:37:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-21 16:37:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-21 16:37:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 16:37:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 16:37:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 16:37:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:37:23,788 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:37:23,790 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:37:25,311 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:37:25,319 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:37:25,319 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 16:37:25,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:37:25 BoogieIcfgContainer [2022-11-21 16:37:25,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:37:25,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:37:25,325 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:37:25,328 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:37:25,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:37:19" (1/3) ... [2022-11-21 16:37:25,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bde6a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:37:25, skipping insertion in model container [2022-11-21 16:37:25,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:23" (2/3) ... [2022-11-21 16:37:25,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bde6a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:37:25, skipping insertion in model container [2022-11-21 16:37:25,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:37:25" (3/3) ... [2022-11-21 16:37:25,334 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_array_ignore_case_harness.i [2022-11-21 16:37:25,353 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:37:25,354 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 16:37:25,401 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:37:25,407 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3ac32dac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:37:25,407 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 16:37:25,412 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 29 states have (on average 1.206896551724138) internal successors, (35), 30 states have internal predecessors, (35), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-21 16:37:25,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-21 16:37:25,420 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:37:25,421 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-21 16:37:25,422 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:37:25,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:25,427 INFO L85 PathProgramCache]: Analyzing trace with hash -829025532, now seen corresponding path program 1 times [2022-11-21 16:37:25,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:25,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742851716] [2022-11-21 16:37:25,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:25,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:26,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:37:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:26,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 16:37:26,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:26,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:37:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:26,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 16:37:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:26,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 16:37:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:26,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:37:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:26,194 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 16:37:26,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:26,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742851716] [2022-11-21 16:37:26,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742851716] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:26,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:26,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:37:26,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643107990] [2022-11-21 16:37:26,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:26,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:37:26,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:26,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:37:26,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:37:26,264 INFO L87 Difference]: Start difference. First operand has 46 states, 29 states have (on average 1.206896551724138) internal successors, (35), 30 states have internal predecessors, (35), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-21 16:37:26,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:37:26,478 INFO L93 Difference]: Finished difference Result 92 states and 113 transitions. [2022-11-21 16:37:26,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:37:26,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2022-11-21 16:37:26,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:37:26,489 INFO L225 Difference]: With dead ends: 92 [2022-11-21 16:37:26,489 INFO L226 Difference]: Without dead ends: 43 [2022-11-21 16:37:26,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:37:26,496 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 23 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:37:26,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 39 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 16:37:26,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-21 16:37:26,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2022-11-21 16:37:26,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 25 states have (on average 1.08) internal successors, (27), 25 states have internal predecessors, (27), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-21 16:37:26,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2022-11-21 16:37:26,547 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 40 [2022-11-21 16:37:26,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:37:26,548 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2022-11-21 16:37:26,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-21 16:37:26,549 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2022-11-21 16:37:26,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-21 16:37:26,552 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:37:26,553 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-21 16:37:26,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:37:26,553 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:37:26,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:26,554 INFO L85 PathProgramCache]: Analyzing trace with hash 307003774, now seen corresponding path program 1 times [2022-11-21 16:37:26,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:26,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066527397] [2022-11-21 16:37:26,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:26,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:28,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:37:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:28,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 16:37:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:28,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:37:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:28,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 16:37:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:28,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 16:37:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:28,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:37:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:28,704 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 16:37:28,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:28,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066527397] [2022-11-21 16:37:28,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066527397] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:28,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:28,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-21 16:37:28,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98303390] [2022-11-21 16:37:28,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:28,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:37:28,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:28,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:37:28,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:37:28,709 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 7 states have internal predecessors, (21), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-21 16:37:29,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:37:29,087 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2022-11-21 16:37:29,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 16:37:29,088 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 7 states have internal predecessors, (21), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2022-11-21 16:37:29,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:37:29,090 INFO L225 Difference]: With dead ends: 53 [2022-11-21 16:37:29,090 INFO L226 Difference]: Without dead ends: 44 [2022-11-21 16:37:29,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2022-11-21 16:37:29,092 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 38 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:37:29,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 129 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-21 16:37:29,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-21 16:37:29,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 41. [2022-11-21 16:37:29,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 26 states have (on average 1.0769230769230769) internal successors, (28), 26 states have internal predecessors, (28), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-21 16:37:29,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2022-11-21 16:37:29,101 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 40 [2022-11-21 16:37:29,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:37:29,103 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2022-11-21 16:37:29,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 7 states have internal predecessors, (21), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-21 16:37:29,103 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2022-11-21 16:37:29,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-21 16:37:29,104 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:37:29,105 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-21 16:37:29,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:37:29,105 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:37:29,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:29,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1264875008, now seen corresponding path program 1 times [2022-11-21 16:37:29,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:29,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307466210] [2022-11-21 16:37:29,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:29,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:29,191 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 16:37:29,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [563887518] [2022-11-21 16:37:29,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:29,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:37:29,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653ea3e-3c73-4f96-8911-adbf7f4cf510/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:37:29,199 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653ea3e-3c73-4f96-8911-adbf7f4cf510/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:37:29,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653ea3e-3c73-4f96-8911-adbf7f4cf510/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 16:37:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:29,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 2338 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 16:37:29,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:37:29,925 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 16:37:29,925 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:37:30,143 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 16:37:30,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:30,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307466210] [2022-11-21 16:37:30,144 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 16:37:30,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563887518] [2022-11-21 16:37:30,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [563887518] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:37:30,145 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 16:37:30,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-11-21 16:37:30,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611633740] [2022-11-21 16:37:30,146 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 16:37:30,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-21 16:37:30,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:30,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-21 16:37:30,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:37:30,147 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 9 states have internal predecessors, (30), 2 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-21 16:37:30,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:37:30,249 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2022-11-21 16:37:30,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:37:30,250 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 9 states have internal predecessors, (30), 2 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 41 [2022-11-21 16:37:30,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:37:30,251 INFO L225 Difference]: With dead ends: 41 [2022-11-21 16:37:30,251 INFO L226 Difference]: Without dead ends: 0 [2022-11-21 16:37:30,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-11-21 16:37:30,253 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 5 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:37:30,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 227 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:37:30,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-21 16:37:30,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-21 16:37:30,254 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) [2022-11-21 16:37:30,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-21 16:37:30,255 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2022-11-21 16:37:30,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:37:30,255 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 16:37:30,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 9 states have internal predecessors, (30), 2 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-21 16:37:30,256 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-21 16:37:30,256 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 16:37:30,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 16:37:30,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653ea3e-3c73-4f96-8911-adbf7f4cf510/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-21 16:37:30,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653ea3e-3c73-4f96-8911-adbf7f4cf510/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:37:30,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-21 16:37:30,565 INFO L895 garLoopResultBuilder]: At program point can_fail_mallocENTRY(lines 6899 6903) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-11-21 16:37:30,565 INFO L899 garLoopResultBuilder]: For program point L6900-3(lines 6900 6902) no Hoare annotation was computed. [2022-11-21 16:37:30,565 INFO L895 garLoopResultBuilder]: At program point L6902(line 6902) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-11-21 16:37:30,567 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocFINAL(lines 6899 6903) no Hoare annotation was computed. [2022-11-21 16:37:30,567 INFO L899 garLoopResultBuilder]: For program point L6900-1(lines 6900 6902) no Hoare annotation was computed. [2022-11-21 16:37:30,567 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 6899 6903) no Hoare annotation was computed. [2022-11-21 16:37:30,568 INFO L895 garLoopResultBuilder]: At program point L6900(line 6900) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-11-21 16:37:30,568 INFO L899 garLoopResultBuilder]: For program point L6902-1(line 6902) no Hoare annotation was computed. [2022-11-21 16:37:30,568 INFO L895 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6882 6887) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-11-21 16:37:30,568 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6882 6887) no Hoare annotation was computed. [2022-11-21 16:37:30,568 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2022-11-21 16:37:30,568 INFO L899 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2022-11-21 16:37:30,569 INFO L895 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-11-21 16:37:30,569 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2022-11-21 16:37:30,569 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-11-21 16:37:30,569 INFO L902 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2022-11-21 16:37:30,569 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-21 16:37:30,569 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-21 16:37:30,569 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-21 16:37:30,570 INFO L902 garLoopResultBuilder]: At program point L8962-1(line 8962) the Hoare annotation is: true [2022-11-21 16:37:30,570 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-21 16:37:30,570 INFO L902 garLoopResultBuilder]: At program point L8972(line 8972) the Hoare annotation is: true [2022-11-21 16:37:30,570 INFO L895 garLoopResultBuilder]: At program point L8970(line 8970) the Hoare annotation is: (or (not (= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0#1.offset| 0)) (not (= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0#1.base| 0)) (= (mod |ULTIMATE.start_aws_hash_array_ignore_case_harness_~length~2#1| 18446744073709551616) 0)) [2022-11-21 16:37:30,570 INFO L902 garLoopResultBuilder]: At program point L8964(line 8964) the Hoare annotation is: true [2022-11-21 16:37:30,570 INFO L899 garLoopResultBuilder]: For program point L8963(line 8963) no Hoare annotation was computed. [2022-11-21 16:37:30,571 INFO L895 garLoopResultBuilder]: At program point L8964-1(line 8964) the Hoare annotation is: (or (not (= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0#1.offset| 0)) (not (= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0#1.base| 0)) (= (mod |ULTIMATE.start_aws_hash_array_ignore_case_harness_~length~2#1| 18446744073709551616) 0)) [2022-11-21 16:37:30,571 INFO L902 garLoopResultBuilder]: At program point L8962(line 8962) the Hoare annotation is: true [2022-11-21 16:37:30,571 INFO L899 garLoopResultBuilder]: For program point L8970-1(lines 8959 8971) no Hoare annotation was computed. [2022-11-21 16:37:30,571 INFO L899 garLoopResultBuilder]: For program point L8967(line 8967) no Hoare annotation was computed. [2022-11-21 16:37:30,571 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2022-11-21 16:37:30,571 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-11-21 16:37:30,571 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-11-21 16:37:30,572 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-11-21 16:37:30,572 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-11-21 16:37:30,572 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-11-21 16:37:30,572 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-11-21 16:37:30,572 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-11-21 16:37:30,572 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-11-21 16:37:30,572 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-11-21 16:37:30,573 INFO L899 garLoopResultBuilder]: For program point aws_hash_array_ignore_caseFINAL(lines 7794 7814) no Hoare annotation was computed. [2022-11-21 16:37:30,573 INFO L895 garLoopResultBuilder]: At program point L7804-2(lines 7804 7812) the Hoare annotation is: (or (= |aws_hash_array_ignore_case_#in~len| aws_hash_array_ignore_case_~len) (not (= (* 18446744073709551616 (div aws_hash_array_ignore_case_~len 18446744073709551616)) aws_hash_array_ignore_case_~len))) [2022-11-21 16:37:30,573 INFO L899 garLoopResultBuilder]: For program point aws_hash_array_ignore_caseEXIT(lines 7794 7814) no Hoare annotation was computed. [2022-11-21 16:37:30,573 INFO L902 garLoopResultBuilder]: At program point aws_hash_array_ignore_caseENTRY(lines 7794 7814) the Hoare annotation is: true [2022-11-21 16:37:30,573 INFO L899 garLoopResultBuilder]: For program point L7804-3(lines 7804 7812) no Hoare annotation was computed. [2022-11-21 16:37:30,573 INFO L899 garLoopResultBuilder]: For program point L7795-1(line 7795) no Hoare annotation was computed. [2022-11-21 16:37:30,574 INFO L895 garLoopResultBuilder]: At program point L7795(line 7795) the Hoare annotation is: (or (= |aws_hash_array_ignore_case_#in~len| aws_hash_array_ignore_case_~len) (not (= (* 18446744073709551616 (div aws_hash_array_ignore_case_~len 18446744073709551616)) aws_hash_array_ignore_case_~len))) [2022-11-21 16:37:30,577 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-21 16:37:30,579 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:37:30,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:37:30 BoogieIcfgContainer [2022-11-21 16:37:30,597 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:37:30,597 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:37:30,597 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:37:30,598 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:37:30,598 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:37:25" (3/4) ... [2022-11-21 16:37:30,601 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 16:37:30,607 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2022-11-21 16:37:30,607 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-11-21 16:37:30,607 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-11-21 16:37:30,608 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-21 16:37:30,608 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-21 16:37:30,608 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_array_ignore_case [2022-11-21 16:37:30,625 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 116 nodes and edges [2022-11-21 16:37:30,626 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2022-11-21 16:37:30,627 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-21 16:37:30,628 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-21 16:37:30,629 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 16:37:30,630 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 16:37:30,631 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 16:37:30,632 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:37:30,677 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(len) == len || !(18446744073709551616 * (len / 18446744073709551616) == len) [2022-11-21 16:37:31,224 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653ea3e-3c73-4f96-8911-adbf7f4cf510/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:37:31,225 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:37:31,225 INFO L158 Benchmark]: Toolchain (without parser) took 11509.65ms. Allocated memory was 180.4MB in the beginning and 346.0MB in the end (delta: 165.7MB). Free memory was 141.2MB in the beginning and 188.2MB in the end (delta: -47.0MB). Peak memory consumption was 253.9MB. Max. memory is 16.1GB. [2022-11-21 16:37:31,226 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:37:31,226 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3385.54ms. Allocated memory was 180.4MB in the beginning and 274.7MB in the end (delta: 94.4MB). Free memory was 141.2MB in the beginning and 197.1MB in the end (delta: -55.9MB). Peak memory consumption was 98.2MB. Max. memory is 16.1GB. [2022-11-21 16:37:31,227 INFO L158 Benchmark]: Boogie Procedure Inliner took 217.71ms. Allocated memory is still 274.7MB. Free memory was 197.1MB in the beginning and 186.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 16:37:31,227 INFO L158 Benchmark]: Boogie Preprocessor took 128.83ms. Allocated memory is still 274.7MB. Free memory was 186.7MB in the beginning and 180.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 16:37:31,227 INFO L158 Benchmark]: RCFGBuilder took 1870.49ms. Allocated memory is still 274.7MB. Free memory was 180.4MB in the beginning and 137.0MB in the end (delta: 43.4MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2022-11-21 16:37:31,228 INFO L158 Benchmark]: TraceAbstraction took 5272.19ms. Allocated memory was 274.7MB in the beginning and 346.0MB in the end (delta: 71.3MB). Free memory was 135.9MB in the beginning and 111.1MB in the end (delta: 24.8MB). Peak memory consumption was 97.2MB. Max. memory is 16.1GB. [2022-11-21 16:37:31,228 INFO L158 Benchmark]: Witness Printer took 627.66ms. Allocated memory is still 346.0MB. Free memory was 111.1MB in the beginning and 188.2MB in the end (delta: -77.1MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2022-11-21 16:37:31,230 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3385.54ms. Allocated memory was 180.4MB in the beginning and 274.7MB in the end (delta: 94.4MB). Free memory was 141.2MB in the beginning and 197.1MB in the end (delta: -55.9MB). Peak memory consumption was 98.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 217.71ms. Allocated memory is still 274.7MB. Free memory was 197.1MB in the beginning and 186.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 128.83ms. Allocated memory is still 274.7MB. Free memory was 186.7MB in the beginning and 180.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1870.49ms. Allocated memory is still 274.7MB. Free memory was 180.4MB in the beginning and 137.0MB in the end (delta: 43.4MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. * TraceAbstraction took 5272.19ms. Allocated memory was 274.7MB in the beginning and 346.0MB in the end (delta: 71.3MB). Free memory was 135.9MB in the beginning and 111.1MB in the end (delta: 24.8MB). Peak memory consumption was 97.2MB. Max. memory is 16.1GB. * Witness Printer took 627.66ms. Allocated memory is still 346.0MB. Free memory was 111.1MB in the beginning and 188.2MB in the end (delta: -77.1MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 66 mSDsluCounter, 395 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 306 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 228 IncrementalHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 89 mSDtfsCounter, 228 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, InterpolantAutomatonStates: 19, 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, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 34 PreInvPairs, 42 NumberOfFragments, 95 HoareAnnotationTreeSize, 34 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 56 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 158 ConstructedInterpolants, 0 QuantifiedInterpolants, 384 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2338 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 44/50 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 8972]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7804]: Loop Invariant Derived loop invariant: \old(len) == len || !(18446744073709551616 * (len / 18446744073709551616) == len) RESULT: Ultimate proved your program to be correct! [2022-11-21 16:37:31,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653ea3e-3c73-4f96-8911-adbf7f4cf510/bin/uautomizer-vX5HgA9Q3a/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