./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83d37a9-aab3-4a49-b1e0-07095cee0f04/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83d37a9-aab3-4a49-b1e0-07095cee0f04/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83d37a9-aab3-4a49-b1e0-07095cee0f04/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83d37a9-aab3-4a49-b1e0-07095cee0f04/bin/uautomizer-GMMbpWq8iD/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_c83d37a9-aab3-4a49-b1e0-07095cee0f04/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83d37a9-aab3-4a49-b1e0-07095cee0f04/bin/uautomizer-GMMbpWq8iD --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 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:12:05,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:12:05,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:12:05,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:12:05,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:12:05,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:12:05,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:12:05,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:12:05,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:12:05,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:12:05,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:12:05,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:12:05,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:12:05,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:12:05,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:12:05,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:12:05,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:12:05,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:12:05,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:12:05,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:12:05,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:12:05,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:12:05,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:12:05,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:12:05,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:12:05,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:12:05,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:12:05,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:12:05,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:12:05,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:12:05,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:12:05,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:12:05,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:12:05,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:12:05,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:12:05,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:12:05,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:12:05,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:12:05,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:12:05,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:12:05,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:12:05,220 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83d37a9-aab3-4a49-b1e0-07095cee0f04/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-10-28 23:12:05,263 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:12:05,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:12:05,264 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:12:05,264 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:12:05,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:12:05,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:12:05,272 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:12:05,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:12:05,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:12:05,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:12:05,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:12:05,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:12:05,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:12:05,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:12:05,275 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:12:05,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:12:05,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:12:05,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:12:05,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:12:05,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:12:05,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:12:05,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:12:05,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:12:05,276 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:12:05,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:12:05,277 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:12:05,277 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:12:05,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:12:05,277 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:12:05,277 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_c83d37a9-aab3-4a49-b1e0-07095cee0f04/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83d37a9-aab3-4a49-b1e0-07095cee0f04/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5cc7d054134727d17d186899e752bcb9b04f811a63c25a6e1e851147ab3514d [2021-10-28 23:12:05,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:12:05,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:12:05,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:12:05,616 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:12:05,617 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:12:05,618 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83d37a9-aab3-4a49-b1e0-07095cee0f04/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i [2021-10-28 23:12:05,680 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83d37a9-aab3-4a49-b1e0-07095cee0f04/bin/uautomizer-GMMbpWq8iD/data/5b9acb7fb/a5176b3ec3f748aa9200b8a7717dc0f7/FLAG22793736e [2021-10-28 23:12:06,653 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:12:06,654 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83d37a9-aab3-4a49-b1e0-07095cee0f04/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i [2021-10-28 23:12:06,716 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83d37a9-aab3-4a49-b1e0-07095cee0f04/bin/uautomizer-GMMbpWq8iD/data/5b9acb7fb/a5176b3ec3f748aa9200b8a7717dc0f7/FLAG22793736e [2021-10-28 23:12:07,065 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83d37a9-aab3-4a49-b1e0-07095cee0f04/bin/uautomizer-GMMbpWq8iD/data/5b9acb7fb/a5176b3ec3f748aa9200b8a7717dc0f7 [2021-10-28 23:12:07,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:12:07,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:12:07,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:12:07,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:12:07,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:12:07,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:12:07" (1/1) ... [2021-10-28 23:12:07,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d7fcce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:07, skipping insertion in model container [2021-10-28 23:12:07,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:12:07" (1/1) ... [2021-10-28 23:12:07,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:12:07,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:12:07,585 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83d37a9-aab3-4a49-b1e0-07095cee0f04/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4500,4513] [2021-10-28 23:12:07,592 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83d37a9-aab3-4a49-b1e0-07095cee0f04/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4560,4573] [2021-10-28 23:12:07,617 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-10-28 23:12:07,623 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-10-28 23:12:08,594 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:12:08,595 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:12:08,595 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:12:08,596 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:12:08,597 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:12:08,611 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:12:08,612 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:12:08,614 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:12:08,615 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:12:09,086 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-10-28 23:12:09,090 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-10-28 23:12:09,095 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-10-28 23:12:09,099 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-10-28 23:12:09,104 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-10-28 23:12:09,110 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-10-28 23:12:09,111 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-10-28 23:12:09,112 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-10-28 23:12:09,115 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-10-28 23:12:09,116 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-10-28 23:12:09,292 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-10-28 23:12:09,468 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:12:09,469 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:12:09,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:12:09,635 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:12:09,663 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83d37a9-aab3-4a49-b1e0-07095cee0f04/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4500,4513] [2021-10-28 23:12:09,664 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83d37a9-aab3-4a49-b1e0-07095cee0f04/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4560,4573] [2021-10-28 23:12:09,666 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-10-28 23:12:09,667 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-10-28 23:12:09,711 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:12:09,712 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:12:09,712 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:12:09,713 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:12:09,714 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:12:09,722 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:12:09,723 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:12:09,724 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:12:09,724 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:12:09,771 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-10-28 23:12:09,772 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-10-28 23:12:09,773 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-10-28 23:12:09,773 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-10-28 23:12:09,774 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-10-28 23:12:09,778 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-10-28 23:12:09,779 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-10-28 23:12:09,779 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-10-28 23:12:09,780 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-10-28 23:12:09,780 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-10-28 23:12:09,816 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-10-28 23:12:09,940 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:12:09,940 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:12:09,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:12:10,212 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:12:10,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:10 WrapperNode [2021-10-28 23:12:10,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:12:10,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:12:10,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:12:10,215 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:12:10,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:10" (1/1) ... [2021-10-28 23:12:10,333 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:10" (1/1) ... [2021-10-28 23:12:10,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:12:10,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:12:10,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:12:10,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:12:10,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:10" (1/1) ... [2021-10-28 23:12:10,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:10" (1/1) ... [2021-10-28 23:12:10,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:10" (1/1) ... [2021-10-28 23:12:10,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:10" (1/1) ... [2021-10-28 23:12:10,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:10" (1/1) ... [2021-10-28 23:12:10,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:10" (1/1) ... [2021-10-28 23:12:10,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:10" (1/1) ... [2021-10-28 23:12:10,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:12:10,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:12:10,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:12:10,525 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:12:10,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:10" (1/1) ... [2021-10-28 23:12:10,535 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:12:10,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83d37a9-aab3-4a49-b1e0-07095cee0f04/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:10,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83d37a9-aab3-4a49-b1e0-07095cee0f04/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:10,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83d37a9-aab3-4a49-b1e0-07095cee0f04/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:12:10,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:12:10,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 23:12:10,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:12:10,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:12:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:12:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 23:12:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:12:21,773 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:12:21,773 INFO L299 CfgBuilder]: Removed 25 assume(true) statements. [2021-10-28 23:12:21,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:12:21 BoogieIcfgContainer [2021-10-28 23:12:21,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:12:21,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:12:21,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:12:21,782 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:12:21,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:12:07" (1/3) ... [2021-10-28 23:12:21,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a0b2ab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:12:21, skipping insertion in model container [2021-10-28 23:12:21,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:10" (2/3) ... [2021-10-28 23:12:21,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a0b2ab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:12:21, skipping insertion in model container [2021-10-28 23:12:21,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:12:21" (3/3) ... [2021-10-28 23:12:21,792 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_array_ignore_case_harness.i [2021-10-28 23:12:21,798 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:12:21,798 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:12:21,860 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:12:21,874 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 [2021-10-28 23:12:21,877 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:12:21,893 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 23 states have (on average 1.391304347826087) internal successors, (32), 24 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:21,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-28 23:12:21,899 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:21,901 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:12:21,902 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:12:21,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:21,908 INFO L85 PathProgramCache]: Analyzing trace with hash -988132415, now seen corresponding path program 1 times [2021-10-28 23:12:21,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:21,917 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56440505] [2021-10-28 23:12:21,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:21,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:22,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:22,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:12:22,698 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:22,698 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56440505] [2021-10-28 23:12:22,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56440505] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:22,699 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:22,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:12:22,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223891043] [2021-10-28 23:12:22,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:12:22,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:22,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:12:22,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:12:22,725 INFO L87 Difference]: Start difference. First operand has 25 states, 23 states have (on average 1.391304347826087) internal successors, (32), 24 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 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) [2021-10-28 23:12:22,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:22,742 INFO L93 Difference]: Finished difference Result 47 states and 60 transitions. [2021-10-28 23:12:22,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:12:22,744 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-28 23:12:22,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:22,752 INFO L225 Difference]: With dead ends: 47 [2021-10-28 23:12:22,752 INFO L226 Difference]: Without dead ends: 21 [2021-10-28 23:12:22,755 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:12:22,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-10-28 23:12:22,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-10-28 23:12:22,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.1) internal successors, (22), 20 states have internal predecessors, (22), 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) [2021-10-28 23:12:22,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2021-10-28 23:12:22,789 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 17 [2021-10-28 23:12:22,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:22,789 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2021-10-28 23:12:22,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 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) [2021-10-28 23:12:22,790 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2021-10-28 23:12:22,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-28 23:12:22,791 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:22,791 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:12:22,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:12:22,792 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:12:22,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:22,799 INFO L85 PathProgramCache]: Analyzing trace with hash 187069639, now seen corresponding path program 1 times [2021-10-28 23:12:22,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:22,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234729936] [2021-10-28 23:12:22,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:22,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:23,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:12:23,775 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:23,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234729936] [2021-10-28 23:12:23,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234729936] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:23,776 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:23,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:12:23,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045952680] [2021-10-28 23:12:23,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:12:23,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:23,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:12:23,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:12:23,779 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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) [2021-10-28 23:12:24,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:24,047 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2021-10-28 23:12:24,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:12:24,048 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-28 23:12:24,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:24,049 INFO L225 Difference]: With dead ends: 27 [2021-10-28 23:12:24,049 INFO L226 Difference]: Without dead ends: 22 [2021-10-28 23:12:24,050 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:12:24,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-10-28 23:12:24,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-10-28 23:12:24,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 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) [2021-10-28 23:12:24,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2021-10-28 23:12:24,056 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 17 [2021-10-28 23:12:24,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:24,056 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2021-10-28 23:12:24,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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) [2021-10-28 23:12:24,057 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2021-10-28 23:12:24,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 23:12:24,058 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:24,058 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:12:24,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:12:24,059 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:12:24,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:24,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1555846255, now seen corresponding path program 1 times [2021-10-28 23:12:24,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:24,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683102124] [2021-10-28 23:12:24,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:24,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:24,203 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 23:12:24,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1559717599] [2021-10-28 23:12:24,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:24,204 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:12:24,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83d37a9-aab3-4a49-b1e0-07095cee0f04/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:24,209 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83d37a9-aab3-4a49-b1e0-07095cee0f04/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:12:24,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83d37a9-aab3-4a49-b1e0-07095cee0f04/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 23:12:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:25,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 2687 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 23:12:25,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:12:26,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 23:12:26,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:26,083 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683102124] [2021-10-28 23:12:26,083 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-28 23:12:26,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559717599] [2021-10-28 23:12:26,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559717599] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:26,084 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:26,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:12:26,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746462949] [2021-10-28 23:12:26,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:12:26,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:26,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:12:26,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:12:26,086 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2021-10-28 23:12:26,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:26,380 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2021-10-28 23:12:26,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:12:26,381 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-28 23:12:26,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:26,381 INFO L225 Difference]: With dead ends: 22 [2021-10-28 23:12:26,381 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:12:26,382 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:12:26,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:12:26,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:12:26,382 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) [2021-10-28 23:12:26,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:12:26,383 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2021-10-28 23:12:26,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:26,383 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:12:26,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2021-10-28 23:12:26,384 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:12:26,384 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:12:26,387 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:12:26,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83d37a9-aab3-4a49-b1e0-07095cee0f04/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:26,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83d37a9-aab3-4a49-b1e0-07095cee0f04/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:12:26,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:12:26,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:26,603 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:26,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:26,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:26,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:26,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:26,684 INFO L860 garLoopResultBuilder]: At program point L6886(lines 6882 6887) the Hoare annotation is: true [2021-10-28 23:12:26,685 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:12:26,685 INFO L857 garLoopResultBuilder]: For program point L222(lines 1 8972) no Hoare annotation was computed. [2021-10-28 23:12:26,685 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:12:26,685 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:12:26,685 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-28 23:12:26,686 INFO L857 garLoopResultBuilder]: For program point L210(lines 210 212) no Hoare annotation was computed. [2021-10-28 23:12:26,686 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2021-10-28 23:12:26,686 INFO L857 garLoopResultBuilder]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2021-10-28 23:12:26,686 INFO L860 garLoopResultBuilder]: At program point L8972(line 8972) the Hoare annotation is: true [2021-10-28 23:12:26,686 INFO L857 garLoopResultBuilder]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2021-10-28 23:12:26,686 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:12:26,686 INFO L857 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-10-28 23:12:26,687 INFO L857 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-10-28 23:12:26,687 INFO L853 garLoopResultBuilder]: At program point L7804-2(lines 7804 7812) the Hoare annotation is: (and (= ULTIMATE.start_assume_abort_if_not_~cond 1) (or (not (= ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0.base 0)) (= ULTIMATE.start_aws_hash_array_ignore_case_harness_~length~2 0) (not (= ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0.offset 0)))) [2021-10-28 23:12:26,687 INFO L857 garLoopResultBuilder]: For program point L7804-3(lines 7804 7812) no Hoare annotation was computed. [2021-10-28 23:12:26,687 INFO L857 garLoopResultBuilder]: For program point L6900-2(lines 6900 6902) no Hoare annotation was computed. [2021-10-28 23:12:26,687 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-28 23:12:26,687 INFO L857 garLoopResultBuilder]: For program point L6900(lines 6900 6902) no Hoare annotation was computed. [2021-10-28 23:12:26,688 INFO L857 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-10-28 23:12:26,688 INFO L857 garLoopResultBuilder]: For program point L211-4(line 211) no Hoare annotation was computed. [2021-10-28 23:12:26,688 INFO L860 garLoopResultBuilder]: At program point L6900-3(lines 6899 6903) the Hoare annotation is: true [2021-10-28 23:12:26,688 INFO L857 garLoopResultBuilder]: For program point L211-6(line 211) no Hoare annotation was computed. [2021-10-28 23:12:26,688 INFO L860 garLoopResultBuilder]: At program point L261(line 261) the Hoare annotation is: true [2021-10-28 23:12:26,688 INFO L853 garLoopResultBuilder]: At program point L7813(lines 7794 7814) the Hoare annotation is: (or (not (= ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0.base 0)) (= ULTIMATE.start_aws_hash_array_ignore_case_harness_~length~2 0) (not (= ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0.offset 0))) [2021-10-28 23:12:26,692 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-10-28 23:12:26,694 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:12:26,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:12:26 BoogieIcfgContainer [2021-10-28 23:12:26,707 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:12:26,707 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:12:26,708 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:12:26,708 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:12:26,708 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:12:21" (3/4) ... [2021-10-28 23:12:26,712 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:12:26,733 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 112 nodes and edges [2021-10-28 23:12:26,734 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2021-10-28 23:12:26,736 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-10-28 23:12:26,738 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-28 23:12:26,739 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-28 23:12:26,741 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-28 23:12:26,742 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 23:12:26,744 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:12:27,607 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83d37a9-aab3-4a49-b1e0-07095cee0f04/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:12:27,608 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:12:27,610 INFO L168 Benchmark]: Toolchain (without parser) took 20524.84 ms. Allocated memory was 109.1 MB in the beginning and 373.3 MB in the end (delta: 264.2 MB). Free memory was 65.4 MB in the beginning and 204.5 MB in the end (delta: -139.1 MB). Peak memory consumption was 255.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:27,610 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 109.1 MB. Free memory is still 90.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:12:27,611 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3127.22 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 65.2 MB in the beginning and 56.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 44.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:27,611 INFO L168 Benchmark]: Boogie Procedure Inliner took 220.52 ms. Allocated memory is still 136.3 MB. Free memory was 56.1 MB in the beginning and 81.8 MB in the end (delta: -25.7 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:27,611 INFO L168 Benchmark]: Boogie Preprocessor took 88.40 ms. Allocated memory is still 136.3 MB. Free memory was 81.8 MB in the beginning and 74.8 MB in the end (delta: 7.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:27,612 INFO L168 Benchmark]: RCFGBuilder took 11251.97 ms. Allocated memory was 136.3 MB in the beginning and 373.3 MB in the end (delta: 237.0 MB). Free memory was 74.8 MB in the beginning and 107.2 MB in the end (delta: -32.4 MB). Peak memory consumption was 207.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:27,612 INFO L168 Benchmark]: TraceAbstraction took 4928.95 ms. Allocated memory is still 373.3 MB. Free memory was 106.1 MB in the beginning and 148.9 MB in the end (delta: -42.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:12:27,612 INFO L168 Benchmark]: Witness Printer took 900.49 ms. Allocated memory is still 373.3 MB. Free memory was 148.9 MB in the beginning and 204.5 MB in the end (delta: -55.6 MB). Peak memory consumption was 75.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:27,614 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 109.1 MB. Free memory is still 90.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3127.22 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 65.2 MB in the beginning and 56.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 44.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 220.52 ms. Allocated memory is still 136.3 MB. Free memory was 56.1 MB in the beginning and 81.8 MB in the end (delta: -25.7 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.40 ms. Allocated memory is still 136.3 MB. Free memory was 81.8 MB in the beginning and 74.8 MB in the end (delta: 7.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 11251.97 ms. Allocated memory was 136.3 MB in the beginning and 373.3 MB in the end (delta: 237.0 MB). Free memory was 74.8 MB in the beginning and 107.2 MB in the end (delta: -32.4 MB). Peak memory consumption was 207.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4928.95 ms. Allocated memory is still 373.3 MB. Free memory was 106.1 MB in the beginning and 148.9 MB in the end (delta: -42.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 900.49 ms. Allocated memory is still 373.3 MB. Free memory was 148.9 MB in the beginning and 204.5 MB in the end (delta: -55.6 MB). Peak memory consumption was 75.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 60 SDtfs, 22 SDslu, 72 SDs, 0 SdLazy, 35 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 14 NumberOfFragments, 32 HoareAnnotationTreeSize, 6 FomulaSimplifications, 108 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 245 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2687 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1/1 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: 7794]: Loop Invariant Derived loop invariant: (!(array == 0) || length == 0) || !(array == 0) - InvariantResult [Line: 7804]: Loop Invariant Derived loop invariant: cond == 1 && ((!(array == 0) || length == 0) || !(array == 0)) - InvariantResult [Line: 6899]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-28 23:12:27,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83d37a9-aab3-4a49-b1e0-07095cee0f04/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...