./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eba85d-6de3-4327-b29e-7941507d84fb/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eba85d-6de3-4327-b29e-7941507d84fb/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eba85d-6de3-4327-b29e-7941507d84fb/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eba85d-6de3-4327-b29e-7941507d84fb/bin/uautomizer-DQz5hQGWxF/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_f7eba85d-6de3-4327-b29e-7941507d84fb/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eba85d-6de3-4327-b29e-7941507d84fb/bin/uautomizer-DQz5hQGWxF --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 --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:25:25,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:25:25,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:25:25,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:25:25,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:25:25,832 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:25:25,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:25:25,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:25:25,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:25:25,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:25:25,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:25:25,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:25:25,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:25:25,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:25:25,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:25:25,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:25:25,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:25:25,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:25:25,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:25:25,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:25:25,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:25:25,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:25:25,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:25:25,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:25:25,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:25:25,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:25:25,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:25:25,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:25:25,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:25:25,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:25:25,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:25:25,918 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:25:25,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:25:25,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:25:25,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:25:25,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:25:25,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:25:25,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:25:25,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:25:25,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:25:25,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:25:25,929 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eba85d-6de3-4327-b29e-7941507d84fb/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 07:25:25,982 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:25:25,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:25:25,983 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:25:25,984 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:25:25,994 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:25:25,995 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:25:25,996 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:25:25,996 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:25:25,996 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:25:25,997 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:25:25,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:25:25,998 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:25:25,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:25:25,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:25:25,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:25:26,000 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:25:26,000 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:25:26,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:25:26,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:25:26,001 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:25:26,001 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:25:26,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:25:26,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:25:26,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:25:26,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:25:26,003 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:25:26,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:25:26,003 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:25:26,004 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:25:26,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:25:26,006 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:25:26,006 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_f7eba85d-6de3-4327-b29e-7941507d84fb/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eba85d-6de3-4327-b29e-7941507d84fb/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5cc7d054134727d17d186899e752bcb9b04f811a63c25a6e1e851147ab3514d [2021-11-20 07:25:26,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:25:26,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:25:26,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:25:26,475 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:25:26,476 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:25:26,478 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eba85d-6de3-4327-b29e-7941507d84fb/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i [2021-11-20 07:25:26,577 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eba85d-6de3-4327-b29e-7941507d84fb/bin/uautomizer-DQz5hQGWxF/data/710eff02e/ca80f154886d47368eda1a3bb76e0d69/FLAG44b20d3e6 [2021-11-20 07:25:27,634 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:25:27,635 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eba85d-6de3-4327-b29e-7941507d84fb/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i [2021-11-20 07:25:27,722 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eba85d-6de3-4327-b29e-7941507d84fb/bin/uautomizer-DQz5hQGWxF/data/710eff02e/ca80f154886d47368eda1a3bb76e0d69/FLAG44b20d3e6 [2021-11-20 07:25:28,005 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eba85d-6de3-4327-b29e-7941507d84fb/bin/uautomizer-DQz5hQGWxF/data/710eff02e/ca80f154886d47368eda1a3bb76e0d69 [2021-11-20 07:25:28,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:25:28,011 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:25:28,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:25:28,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:25:28,018 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:25:28,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:25:28" (1/1) ... [2021-11-20 07:25:28,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dc220b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:28, skipping insertion in model container [2021-11-20 07:25:28,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:25:28" (1/1) ... [2021-11-20 07:25:28,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:25:28,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:25:28,518 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_f7eba85d-6de3-4327-b29e-7941507d84fb/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4500,4513] [2021-11-20 07:25:28,525 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_f7eba85d-6de3-4327-b29e-7941507d84fb/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4560,4573] [2021-11-20 07:25:29,628 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:25:29,629 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:25:29,630 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:25:29,631 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:25:29,632 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:25:29,648 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:25:29,649 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:25:29,651 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:25:29,652 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:25:30,131 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-20 07:25:30,132 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-20 07:25:30,134 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-20 07:25:30,135 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-20 07:25:30,137 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-20 07:25:30,138 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-20 07:25:30,138 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-20 07:25:30,139 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-20 07:25:30,140 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-20 07:25:30,141 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-20 07:25:30,356 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-20 07:25:30,569 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:25:30,581 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:25:30,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:25:30,783 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:25:30,802 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_f7eba85d-6de3-4327-b29e-7941507d84fb/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4500,4513] [2021-11-20 07:25:30,803 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_f7eba85d-6de3-4327-b29e-7941507d84fb/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4560,4573] [2021-11-20 07:25:30,850 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:25:30,851 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:25:30,852 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:25:30,852 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:25:30,853 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:25:30,861 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:25:30,861 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:25:30,863 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:25:30,863 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:25:30,903 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-20 07:25:30,904 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-20 07:25:30,905 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-20 07:25:30,906 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-20 07:25:30,907 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-20 07:25:30,908 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-20 07:25:30,909 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-20 07:25:30,909 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-20 07:25:30,910 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-20 07:25:30,911 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-20 07:25:30,938 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-20 07:25:31,120 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:25:31,123 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:25:31,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:25:31,533 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:25:31,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:31 WrapperNode [2021-11-20 07:25:31,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:25:31,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:25:31,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:25:31,536 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:25:31,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:31" (1/1) ... [2021-11-20 07:25:31,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:31" (1/1) ... [2021-11-20 07:25:31,806 INFO L137 Inliner]: procedures = 690, calls = 2600, calls flagged for inlining = 56, calls inlined = 3, statements flattened = 728 [2021-11-20 07:25:31,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:25:31,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:25:31,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:25:31,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:25:31,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:31" (1/1) ... [2021-11-20 07:25:31,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:31" (1/1) ... [2021-11-20 07:25:31,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:31" (1/1) ... [2021-11-20 07:25:31,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:31" (1/1) ... [2021-11-20 07:25:31,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:31" (1/1) ... [2021-11-20 07:25:31,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:31" (1/1) ... [2021-11-20 07:25:31,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:31" (1/1) ... [2021-11-20 07:25:31,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:25:31,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:25:31,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:25:31,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:25:31,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:31" (1/1) ... [2021-11-20 07:25:31,962 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:25:31,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eba85d-6de3-4327-b29e-7941507d84fb/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:25:32,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eba85d-6de3-4327-b29e-7941507d84fb/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:25:32,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eba85d-6de3-4327-b29e-7941507d84fb/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:25:32,126 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-20 07:25:32,126 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-20 07:25:32,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:25:32,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 07:25:32,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 07:25:32,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 07:25:32,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:25:32,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:25:32,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:25:32,128 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_array_ignore_case [2021-11-20 07:25:32,129 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_array_ignore_case [2021-11-20 07:25:32,130 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-20 07:25:32,130 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-20 07:25:32,131 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-11-20 07:25:32,131 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-11-20 07:25:32,132 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 07:25:32,132 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 07:25:32,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 07:25:32,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:25:32,510 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:25:32,513 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:25:33,727 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:25:33,740 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:25:33,740 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 07:25:33,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:25:33 BoogieIcfgContainer [2021-11-20 07:25:33,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:25:33,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:25:33,747 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:25:33,751 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:25:33,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:25:28" (1/3) ... [2021-11-20 07:25:33,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d1dad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:25:33, skipping insertion in model container [2021-11-20 07:25:33,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:31" (2/3) ... [2021-11-20 07:25:33,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d1dad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:25:33, skipping insertion in model container [2021-11-20 07:25:33,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:25:33" (3/3) ... [2021-11-20 07:25:33,755 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_array_ignore_case_harness.i [2021-11-20 07:25:33,762 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:25:33,762 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 07:25:33,824 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:25:33,831 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 07:25:33,831 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 07:25:33,849 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) [2021-11-20 07:25:33,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-20 07:25:33,855 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:25:33,856 INFO L514 BasicCegarLoop]: 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] [2021-11-20 07:25:33,856 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:25:33,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:25:33,862 INFO L85 PathProgramCache]: Analyzing trace with hash -829025532, now seen corresponding path program 1 times [2021-11-20 07:25:33,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:25:33,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783457121] [2021-11-20 07:25:33,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:25:33,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:25:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:34,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:25:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:34,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 07:25:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:34,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:25:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:34,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:25:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:34,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 07:25:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:34,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:25:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:34,637 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 07:25:34,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:25:34,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783457121] [2021-11-20 07:25:34,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783457121] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:25:34,639 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:25:34,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:25:34,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094092988] [2021-11-20 07:25:34,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:25:34,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:25:34,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:25:34,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:25:34,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:25:34,686 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) [2021-11-20 07:25:34,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:25:34,860 INFO L93 Difference]: Finished difference Result 92 states and 113 transitions. [2021-11-20 07:25:34,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:25:34,863 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 [2021-11-20 07:25:34,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:25:34,877 INFO L225 Difference]: With dead ends: 92 [2021-11-20 07:25:34,881 INFO L226 Difference]: Without dead ends: 43 [2021-11-20 07:25:34,885 INFO L932 BasicCegarLoop]: 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 [2021-11-20 07:25:34,890 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 22 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:25:34,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 56 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:25:34,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-11-20 07:25:34,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2021-11-20 07:25:34,952 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) [2021-11-20 07:25:34,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2021-11-20 07:25:34,959 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 40 [2021-11-20 07:25:34,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:25:34,961 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2021-11-20 07:25:34,961 INFO L471 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) [2021-11-20 07:25:34,962 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2021-11-20 07:25:34,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-20 07:25:34,968 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:25:34,968 INFO L514 BasicCegarLoop]: 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] [2021-11-20 07:25:34,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:25:34,970 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:25:34,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:25:34,971 INFO L85 PathProgramCache]: Analyzing trace with hash 307003774, now seen corresponding path program 1 times [2021-11-20 07:25:34,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:25:34,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42589297] [2021-11-20 07:25:34,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:25:34,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:25:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:35,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:25:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:35,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 07:25:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:35,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:25:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:35,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:25:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:35,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 07:25:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:36,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:25:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:36,028 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 07:25:36,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:25:36,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42589297] [2021-11-20 07:25:36,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42589297] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:25:36,030 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:25:36,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 07:25:36,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259032020] [2021-11-20 07:25:36,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:25:36,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 07:25:36,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:25:36,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 07:25:36,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:25:36,035 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) [2021-11-20 07:25:36,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:25:36,515 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2021-11-20 07:25:36,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:25:36,516 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 [2021-11-20 07:25:36,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:25:36,518 INFO L225 Difference]: With dead ends: 53 [2021-11-20 07:25:36,518 INFO L226 Difference]: Without dead ends: 44 [2021-11-20 07:25:36,519 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-11-20 07:25:36,521 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 36 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:25:36,522 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 162 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-20 07:25:36,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-11-20 07:25:36,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 41. [2021-11-20 07:25:36,533 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) [2021-11-20 07:25:36,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2021-11-20 07:25:36,535 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 40 [2021-11-20 07:25:36,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:25:36,537 INFO L470 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2021-11-20 07:25:36,537 INFO L471 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) [2021-11-20 07:25:36,538 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2021-11-20 07:25:36,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-20 07:25:36,540 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:25:36,540 INFO L514 BasicCegarLoop]: 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] [2021-11-20 07:25:36,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:25:36,541 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:25:36,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:25:36,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1264875008, now seen corresponding path program 1 times [2021-11-20 07:25:36,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:25:36,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041425636] [2021-11-20 07:25:36,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:25:36,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:25:36,649 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:25:36,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [277347173] [2021-11-20 07:25:36,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:25:36,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:25:36,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eba85d-6de3-4327-b29e-7941507d84fb/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:25:36,656 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eba85d-6de3-4327-b29e-7941507d84fb/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:25:36,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eba85d-6de3-4327-b29e-7941507d84fb/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 07:25:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:37,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 2342 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 07:25:37,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:25:37,744 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-20 07:25:37,744 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:25:38,162 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-20 07:25:38,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:25:38,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041425636] [2021-11-20 07:25:38,167 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:25:38,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277347173] [2021-11-20 07:25:38,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277347173] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:25:38,169 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 07:25:38,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-11-20 07:25:38,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423671440] [2021-11-20 07:25:38,170 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 07:25:38,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 07:25:38,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:25:38,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 07:25:38,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:25:38,174 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) [2021-11-20 07:25:38,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:25:38,269 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2021-11-20 07:25:38,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:25:38,270 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 [2021-11-20 07:25:38,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:25:38,271 INFO L225 Difference]: With dead ends: 41 [2021-11-20 07:25:38,271 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 07:25:38,272 INFO L932 BasicCegarLoop]: 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 [2021-11-20 07:25:38,278 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 5 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:25:38,283 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 240 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:25:38,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 07:25:38,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 07:25:38,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:38,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 07:25:38,289 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2021-11-20 07:25:38,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:25:38,289 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:25:38,290 INFO L471 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) [2021-11-20 07:25:38,290 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 07:25:38,290 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 07:25:38,299 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 07:25:38,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eba85d-6de3-4327-b29e-7941507d84fb/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:25:38,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eba85d-6de3-4327-b29e-7941507d84fb/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-20 07:25:38,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 07:25:38,665 INFO L854 garLoopResultBuilder]: At program point can_fail_mallocENTRY(lines 6899 6903) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-11-20 07:25:38,665 INFO L858 garLoopResultBuilder]: For program point L6900-3(lines 6900 6902) no Hoare annotation was computed. [2021-11-20 07:25:38,665 INFO L854 garLoopResultBuilder]: At program point L6902(line 6902) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-11-20 07:25:38,666 INFO L858 garLoopResultBuilder]: For program point can_fail_mallocFINAL(lines 6899 6903) no Hoare annotation was computed. [2021-11-20 07:25:38,666 INFO L858 garLoopResultBuilder]: For program point L6900-1(lines 6900 6902) no Hoare annotation was computed. [2021-11-20 07:25:38,666 INFO L858 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 6899 6903) no Hoare annotation was computed. [2021-11-20 07:25:38,666 INFO L854 garLoopResultBuilder]: At program point L6900(line 6900) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-11-20 07:25:38,666 INFO L858 garLoopResultBuilder]: For program point L6902-1(line 6902) no Hoare annotation was computed. [2021-11-20 07:25:38,666 INFO L854 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6882 6887) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-11-20 07:25:38,667 INFO L858 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6882 6887) no Hoare annotation was computed. [2021-11-20 07:25:38,667 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2021-11-20 07:25:38,667 INFO L858 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2021-11-20 07:25:38,667 INFO L854 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-11-20 07:25:38,667 INFO L858 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2021-11-20 07:25:38,667 INFO L858 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2021-11-20 07:25:38,668 INFO L861 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2021-11-20 07:25:38,668 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 07:25:38,668 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 07:25:38,668 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 07:25:38,668 INFO L861 garLoopResultBuilder]: At program point L8962-1(line 8962) the Hoare annotation is: true [2021-11-20 07:25:38,668 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 07:25:38,668 INFO L861 garLoopResultBuilder]: At program point L8972(line 8972) the Hoare annotation is: true [2021-11-20 07:25:38,669 INFO L854 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)) [2021-11-20 07:25:38,669 INFO L861 garLoopResultBuilder]: At program point L8964(line 8964) the Hoare annotation is: true [2021-11-20 07:25:38,669 INFO L858 garLoopResultBuilder]: For program point L8963(line 8963) no Hoare annotation was computed. [2021-11-20 07:25:38,669 INFO L854 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)) [2021-11-20 07:25:38,669 INFO L861 garLoopResultBuilder]: At program point L8962(line 8962) the Hoare annotation is: true [2021-11-20 07:25:38,670 INFO L858 garLoopResultBuilder]: For program point L8970-1(lines 8959 8971) no Hoare annotation was computed. [2021-11-20 07:25:38,670 INFO L858 garLoopResultBuilder]: For program point L8967(line 8967) no Hoare annotation was computed. [2021-11-20 07:25:38,670 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2021-11-20 07:25:38,670 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-11-20 07:25:38,670 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-20 07:25:38,670 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-11-20 07:25:38,670 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-20 07:25:38,671 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-11-20 07:25:38,671 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-20 07:25:38,671 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-11-20 07:25:38,671 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-11-20 07:25:38,671 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-20 07:25:38,671 INFO L858 garLoopResultBuilder]: For program point aws_hash_array_ignore_caseFINAL(lines 7794 7814) no Hoare annotation was computed. [2021-11-20 07:25:38,672 INFO L854 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))) [2021-11-20 07:25:38,672 INFO L858 garLoopResultBuilder]: For program point aws_hash_array_ignore_caseEXIT(lines 7794 7814) no Hoare annotation was computed. [2021-11-20 07:25:38,672 INFO L861 garLoopResultBuilder]: At program point aws_hash_array_ignore_caseENTRY(lines 7794 7814) the Hoare annotation is: true [2021-11-20 07:25:38,672 INFO L858 garLoopResultBuilder]: For program point L7804-3(lines 7804 7812) no Hoare annotation was computed. [2021-11-20 07:25:38,672 INFO L858 garLoopResultBuilder]: For program point L7795-1(line 7795) no Hoare annotation was computed. [2021-11-20 07:25:38,672 INFO L854 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))) [2021-11-20 07:25:38,676 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-20 07:25:38,677 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 07:25:38,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:25:38 BoogieIcfgContainer [2021-11-20 07:25:38,690 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 07:25:38,691 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:25:38,691 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:25:38,691 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:25:38,691 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:25:33" (3/4) ... [2021-11-20 07:25:38,695 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 07:25:38,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2021-11-20 07:25:38,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-11-20 07:25:38,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-11-20 07:25:38,703 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-20 07:25:38,703 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-20 07:25:38,703 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_array_ignore_case [2021-11-20 07:25:38,719 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 116 nodes and edges [2021-11-20 07:25:38,721 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2021-11-20 07:25:38,723 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-11-20 07:25:38,725 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-20 07:25:38,726 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-20 07:25:38,728 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-20 07:25:38,730 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-20 07:25:38,732 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 07:25:38,771 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(len) == len || !(18446744073709551616 * (len / 18446744073709551616) == len) [2021-11-20 07:25:39,872 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eba85d-6de3-4327-b29e-7941507d84fb/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 07:25:39,872 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:25:39,873 INFO L158 Benchmark]: Toolchain (without parser) took 11862.57ms. Allocated memory was 92.3MB in the beginning and 369.1MB in the end (delta: 276.8MB). Free memory was 50.6MB in the beginning and 247.1MB in the end (delta: -196.5MB). Peak memory consumption was 226.7MB. Max. memory is 16.1GB. [2021-11-20 07:25:39,874 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 92.3MB. Free memory was 47.6MB in the beginning and 47.5MB in the end (delta: 45.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:25:39,874 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3521.85ms. Allocated memory was 92.3MB in the beginning and 195.0MB in the end (delta: 102.8MB). Free memory was 50.4MB in the beginning and 109.7MB in the end (delta: -59.3MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2021-11-20 07:25:39,875 INFO L158 Benchmark]: Boogie Procedure Inliner took 274.71ms. Allocated memory is still 195.0MB. Free memory was 109.7MB in the beginning and 99.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 07:25:39,875 INFO L158 Benchmark]: Boogie Preprocessor took 138.76ms. Allocated memory is still 195.0MB. Free memory was 99.2MB in the beginning and 93.8MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 07:25:39,876 INFO L158 Benchmark]: RCFGBuilder took 1792.03ms. Allocated memory is still 195.0MB. Free memory was 93.8MB in the beginning and 85.1MB in the end (delta: 8.7MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2021-11-20 07:25:39,876 INFO L158 Benchmark]: TraceAbstraction took 4943.09ms. Allocated memory was 195.0MB in the beginning and 285.2MB in the end (delta: 90.2MB). Free memory was 85.1MB in the beginning and 156.6MB in the end (delta: -71.5MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2021-11-20 07:25:39,877 INFO L158 Benchmark]: Witness Printer took 1181.75ms. Allocated memory was 285.2MB in the beginning and 369.1MB in the end (delta: 83.9MB). Free memory was 156.6MB in the beginning and 247.1MB in the end (delta: -90.6MB). Peak memory consumption was 139.1MB. Max. memory is 16.1GB. [2021-11-20 07:25:39,880 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 92.3MB. Free memory was 47.6MB in the beginning and 47.5MB in the end (delta: 45.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3521.85ms. Allocated memory was 92.3MB in the beginning and 195.0MB in the end (delta: 102.8MB). Free memory was 50.4MB in the beginning and 109.7MB in the end (delta: -59.3MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 274.71ms. Allocated memory is still 195.0MB. Free memory was 109.7MB in the beginning and 99.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 138.76ms. Allocated memory is still 195.0MB. Free memory was 99.2MB in the beginning and 93.8MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1792.03ms. Allocated memory is still 195.0MB. Free memory was 93.8MB in the beginning and 85.1MB in the end (delta: 8.7MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * TraceAbstraction took 4943.09ms. Allocated memory was 195.0MB in the beginning and 285.2MB in the end (delta: 90.2MB). Free memory was 85.1MB in the beginning and 156.6MB in the end (delta: -71.5MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * Witness Printer took 1181.75ms. Allocated memory was 285.2MB in the beginning and 369.1MB in the end (delta: 83.9MB). Free memory was 156.6MB in the beginning and 247.1MB in the end (delta: -90.6MB). Peak memory consumption was 139.1MB. 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: 4.9s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 63 mSDsluCounter, 458 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 341 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 165 IncrementalHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 117 mSDtfsCounter, 165 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 127 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s 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: 0.1s 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, 118 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 158 ConstructedInterpolants, 0 QuantifiedInterpolants, 404 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2342 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! [2021-11-20 07:25:39,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eba85d-6de3-4327-b29e-7941507d84fb/bin/uautomizer-DQz5hQGWxF/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