./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_d444f50e-2b6d-4399-8c24-e3dd09cdc844/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d444f50e-2b6d-4399-8c24-e3dd09cdc844/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d444f50e-2b6d-4399-8c24-e3dd09cdc844/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d444f50e-2b6d-4399-8c24-e3dd09cdc844/bin/uautomizer-UnR33cPsHg/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_d444f50e-2b6d-4399-8c24-e3dd09cdc844/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d444f50e-2b6d-4399-8c24-e3dd09cdc844/bin/uautomizer-UnR33cPsHg --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 09:42:16,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:42:16,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:42:16,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:42:16,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:42:16,949 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:42:16,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:42:16,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:42:16,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:42:16,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:42:16,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:42:16,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:42:16,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:42:16,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:42:16,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:42:16,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:42:16,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:42:16,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:42:16,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:42:17,003 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:42:17,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:42:17,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:42:17,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:42:17,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:42:17,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:42:17,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:42:17,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:42:17,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:42:17,025 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:42:17,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:42:17,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:42:17,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:42:17,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:42:17,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:42:17,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:42:17,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:42:17,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:42:17,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:42:17,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:42:17,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:42:17,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:42:17,034 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d444f50e-2b6d-4399-8c24-e3dd09cdc844/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-10-28 09:42:17,086 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:42:17,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:42:17,087 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:42:17,087 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:42:17,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:42:17,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:42:17,094 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:42:17,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:42:17,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:42:17,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:42:17,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:42:17,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:42:17,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:42:17,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:42:17,097 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:42:17,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:42:17,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:42:17,098 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:42:17,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:42:17,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:42:17,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:42:17,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:42:17,099 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:42:17,100 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:42:17,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:42:17,100 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:42:17,100 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:42:17,100 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:42:17,101 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:42:17,101 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_d444f50e-2b6d-4399-8c24-e3dd09cdc844/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d444f50e-2b6d-4399-8c24-e3dd09cdc844/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5cc7d054134727d17d186899e752bcb9b04f811a63c25a6e1e851147ab3514d [2021-10-28 09:42:17,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:42:17,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:42:17,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:42:17,432 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:42:17,432 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:42:17,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d444f50e-2b6d-4399-8c24-e3dd09cdc844/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i [2021-10-28 09:42:17,528 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d444f50e-2b6d-4399-8c24-e3dd09cdc844/bin/uautomizer-UnR33cPsHg/data/6513a5fab/cf9d91cac6e4482c8594a3a4f52df7da/FLAG1057b6b03 [2021-10-28 09:42:18,589 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:42:18,590 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d444f50e-2b6d-4399-8c24-e3dd09cdc844/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i [2021-10-28 09:42:18,650 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d444f50e-2b6d-4399-8c24-e3dd09cdc844/bin/uautomizer-UnR33cPsHg/data/6513a5fab/cf9d91cac6e4482c8594a3a4f52df7da/FLAG1057b6b03 [2021-10-28 09:42:18,926 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d444f50e-2b6d-4399-8c24-e3dd09cdc844/bin/uautomizer-UnR33cPsHg/data/6513a5fab/cf9d91cac6e4482c8594a3a4f52df7da [2021-10-28 09:42:18,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:42:18,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:42:18,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:42:18,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:42:18,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:42:18,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:42:18" (1/1) ... [2021-10-28 09:42:18,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@215e7719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:18, skipping insertion in model container [2021-10-28 09:42:18,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:42:18" (1/1) ... [2021-10-28 09:42:18,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:42:19,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:42:19,476 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_d444f50e-2b6d-4399-8c24-e3dd09cdc844/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4500,4513] [2021-10-28 09:42:19,484 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_d444f50e-2b6d-4399-8c24-e3dd09cdc844/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4560,4573] [2021-10-28 09:42:19,512 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-10-28 09:42:19,529 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-10-28 09:42:20,638 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:42:20,639 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:42:20,639 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:42:20,641 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:42:20,642 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:42:20,660 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:42:20,661 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:42:20,664 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:42:20,665 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:42:21,219 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-10-28 09:42:21,221 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-10-28 09:42:21,223 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-10-28 09:42:21,224 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-10-28 09:42:21,228 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-10-28 09:42:21,229 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-10-28 09:42:21,238 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-10-28 09:42:21,239 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-10-28 09:42:21,240 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-10-28 09:42:21,240 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-10-28 09:42:21,526 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-10-28 09:42:21,666 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:42:21,668 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:42:21,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:42:21,890 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:42:21,923 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_d444f50e-2b6d-4399-8c24-e3dd09cdc844/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4500,4513] [2021-10-28 09:42:21,935 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_d444f50e-2b6d-4399-8c24-e3dd09cdc844/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4560,4573] [2021-10-28 09:42:21,937 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-10-28 09:42:21,939 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-10-28 09:42:22,012 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:42:22,012 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:42:22,013 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:42:22,013 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:42:22,014 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:42:22,038 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:42:22,039 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:42:22,040 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:42:22,041 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:42:22,094 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-10-28 09:42:22,095 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-10-28 09:42:22,096 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-10-28 09:42:22,096 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-10-28 09:42:22,097 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-10-28 09:42:22,098 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-10-28 09:42:22,099 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-10-28 09:42:22,099 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-10-28 09:42:22,100 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-10-28 09:42:22,100 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-10-28 09:42:22,121 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-10-28 09:42:22,170 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:42:22,170 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:42:22,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:42:22,485 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:42:22,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:22 WrapperNode [2021-10-28 09:42:22,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:42:22,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:42:22,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:42:22,488 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:42:22,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:22" (1/1) ... [2021-10-28 09:42:22,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:22" (1/1) ... [2021-10-28 09:42:22,844 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:42:22,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:42:22,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:42:22,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:42:22,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:22" (1/1) ... [2021-10-28 09:42:22,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:22" (1/1) ... [2021-10-28 09:42:22,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:22" (1/1) ... [2021-10-28 09:42:22,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:22" (1/1) ... [2021-10-28 09:42:22,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:22" (1/1) ... [2021-10-28 09:42:22,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:22" (1/1) ... [2021-10-28 09:42:22,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:22" (1/1) ... [2021-10-28 09:42:22,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:42:22,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:42:22,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:42:22,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:42:22,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:22" (1/1) ... [2021-10-28 09:42:23,006 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:42:23,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d444f50e-2b6d-4399-8c24-e3dd09cdc844/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:23,039 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d444f50e-2b6d-4399-8c24-e3dd09cdc844/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:23,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d444f50e-2b6d-4399-8c24-e3dd09cdc844/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:42:23,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:42:23,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 09:42:23,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:42:23,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:42:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:42:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 09:42:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:42:34,611 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:42:34,611 INFO L299 CfgBuilder]: Removed 25 assume(true) statements. [2021-10-28 09:42:34,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:42:34 BoogieIcfgContainer [2021-10-28 09:42:34,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:42:34,617 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:42:34,617 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:42:34,622 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:42:34,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:42:18" (1/3) ... [2021-10-28 09:42:34,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@189c6663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:42:34, skipping insertion in model container [2021-10-28 09:42:34,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:22" (2/3) ... [2021-10-28 09:42:34,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@189c6663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:42:34, skipping insertion in model container [2021-10-28 09:42:34,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:42:34" (3/3) ... [2021-10-28 09:42:34,634 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_array_ignore_case_harness.i [2021-10-28 09:42:34,641 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:42:34,642 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:42:34,713 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:42:34,728 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 09:42:34,736 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 09:42:34,754 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 09:42:34,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-28 09:42:34,765 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:42:34,767 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 09:42:34,769 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:42:34,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:34,776 INFO L85 PathProgramCache]: Analyzing trace with hash -988132415, now seen corresponding path program 1 times [2021-10-28 09:42:34,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:34,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081946843] [2021-10-28 09:42:34,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:34,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:35,700 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 09:42:35,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:35,701 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081946843] [2021-10-28 09:42:35,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081946843] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:42:35,702 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:42:35,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:42:35,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037972247] [2021-10-28 09:42:35,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 09:42:35,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:35,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:42:35,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:42:35,725 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 09:42:35,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:35,743 INFO L93 Difference]: Finished difference Result 47 states and 60 transitions. [2021-10-28 09:42:35,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:42:35,745 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 09:42:35,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:42:35,754 INFO L225 Difference]: With dead ends: 47 [2021-10-28 09:42:35,754 INFO L226 Difference]: Without dead ends: 21 [2021-10-28 09:42:35,757 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 09:42:35,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-10-28 09:42:35,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-10-28 09:42:35,790 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 09:42:35,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2021-10-28 09:42:35,793 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 17 [2021-10-28 09:42:35,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:42:35,794 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2021-10-28 09:42:35,794 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 09:42:35,794 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2021-10-28 09:42:35,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-28 09:42:35,795 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:42:35,795 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 09:42:35,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:42:35,796 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:42:35,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:35,797 INFO L85 PathProgramCache]: Analyzing trace with hash 187069639, now seen corresponding path program 1 times [2021-10-28 09:42:35,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:35,798 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797540167] [2021-10-28 09:42:35,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:35,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:36,916 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 09:42:36,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:36,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797540167] [2021-10-28 09:42:36,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797540167] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:42:36,918 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:42:36,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 09:42:36,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589365657] [2021-10-28 09:42:36,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 09:42:36,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:36,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:42:36,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:42:36,921 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 09:42:37,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:37,185 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2021-10-28 09:42:37,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:42:37,186 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 09:42:37,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:42:37,187 INFO L225 Difference]: With dead ends: 27 [2021-10-28 09:42:37,187 INFO L226 Difference]: Without dead ends: 22 [2021-10-28 09:42:37,188 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 09:42:37,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-10-28 09:42:37,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-10-28 09:42:37,193 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 09:42:37,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2021-10-28 09:42:37,194 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 17 [2021-10-28 09:42:37,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:42:37,194 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2021-10-28 09:42:37,195 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 09:42:37,195 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2021-10-28 09:42:37,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 09:42:37,199 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:42:37,199 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 09:42:37,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:42:37,199 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:42:37,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:37,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1555846255, now seen corresponding path program 1 times [2021-10-28 09:42:37,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:37,212 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53610399] [2021-10-28 09:42:37,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:37,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:37,367 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 09:42:37,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [251756098] [2021-10-28 09:42:37,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:37,368 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:42:37,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d444f50e-2b6d-4399-8c24-e3dd09cdc844/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:37,372 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d444f50e-2b6d-4399-8c24-e3dd09cdc844/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:42:37,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d444f50e-2b6d-4399-8c24-e3dd09cdc844/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 09:42:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:38,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 2687 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:42:38,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:39,362 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 09:42:39,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:39,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53610399] [2021-10-28 09:42:39,363 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-28 09:42:39,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251756098] [2021-10-28 09:42:39,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [251756098] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:42:39,364 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:42:39,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:42:39,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831171622] [2021-10-28 09:42:39,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:42:39,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:39,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:42:39,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:42:39,366 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 09:42:39,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:39,658 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2021-10-28 09:42:39,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:42:39,658 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 09:42:39,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:42:39,659 INFO L225 Difference]: With dead ends: 22 [2021-10-28 09:42:39,659 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:42:39,660 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 09:42:39,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:42:39,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:42:39,660 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 09:42:39,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:42:39,661 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2021-10-28 09:42:39,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:42:39,661 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:42:39,661 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 09:42:39,662 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:42:39,662 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:42:39,665 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:42:39,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d444f50e-2b6d-4399-8c24-e3dd09cdc844/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:39,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d444f50e-2b6d-4399-8c24-e3dd09cdc844/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:42:39,868 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:42:39,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:39,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:39,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:39,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:39,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:39,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:39,950 INFO L860 garLoopResultBuilder]: At program point L6886(lines 6882 6887) the Hoare annotation is: true [2021-10-28 09:42:39,951 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:42:39,951 INFO L857 garLoopResultBuilder]: For program point L222(lines 1 8972) no Hoare annotation was computed. [2021-10-28 09:42:39,951 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:42:39,951 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:42:39,952 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-28 09:42:39,952 INFO L857 garLoopResultBuilder]: For program point L210(lines 210 212) no Hoare annotation was computed. [2021-10-28 09:42:39,952 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2021-10-28 09:42:39,952 INFO L857 garLoopResultBuilder]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2021-10-28 09:42:39,952 INFO L860 garLoopResultBuilder]: At program point L8972(line 8972) the Hoare annotation is: true [2021-10-28 09:42:39,953 INFO L857 garLoopResultBuilder]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2021-10-28 09:42:39,953 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:42:39,953 INFO L857 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-10-28 09:42:39,953 INFO L857 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-10-28 09:42:39,953 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 09:42:39,953 INFO L857 garLoopResultBuilder]: For program point L7804-3(lines 7804 7812) no Hoare annotation was computed. [2021-10-28 09:42:39,954 INFO L857 garLoopResultBuilder]: For program point L6900-2(lines 6900 6902) no Hoare annotation was computed. [2021-10-28 09:42:39,954 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-28 09:42:39,954 INFO L857 garLoopResultBuilder]: For program point L6900(lines 6900 6902) no Hoare annotation was computed. [2021-10-28 09:42:39,954 INFO L857 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-10-28 09:42:39,954 INFO L857 garLoopResultBuilder]: For program point L211-4(line 211) no Hoare annotation was computed. [2021-10-28 09:42:39,955 INFO L860 garLoopResultBuilder]: At program point L6900-3(lines 6899 6903) the Hoare annotation is: true [2021-10-28 09:42:39,955 INFO L857 garLoopResultBuilder]: For program point L211-6(line 211) no Hoare annotation was computed. [2021-10-28 09:42:39,955 INFO L860 garLoopResultBuilder]: At program point L261(line 261) the Hoare annotation is: true [2021-10-28 09:42:39,955 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 09:42:39,959 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-10-28 09:42:39,961 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:42:39,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:42:39 BoogieIcfgContainer [2021-10-28 09:42:39,999 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:42:40,000 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:42:40,000 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:42:40,001 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:42:40,001 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:42:34" (3/4) ... [2021-10-28 09:42:40,005 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:42:40,040 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 112 nodes and edges [2021-10-28 09:42:40,042 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2021-10-28 09:42:40,044 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-10-28 09:42:40,045 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-28 09:42:40,047 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-28 09:42:40,049 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-28 09:42:40,050 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 09:42:40,058 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:42:41,156 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d444f50e-2b6d-4399-8c24-e3dd09cdc844/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:42:41,157 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:42:41,158 INFO L168 Benchmark]: Toolchain (without parser) took 22225.09 ms. Allocated memory was 96.5 MB in the beginning and 318.8 MB in the end (delta: 222.3 MB). Free memory was 57.1 MB in the beginning and 117.3 MB in the end (delta: -60.2 MB). Peak memory consumption was 229.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:41,159 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 96.5 MB. Free memory is still 49.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:42:41,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3549.00 ms. Allocated memory was 96.5 MB in the beginning and 172.0 MB in the end (delta: 75.5 MB). Free memory was 56.8 MB in the beginning and 106.9 MB in the end (delta: -50.1 MB). Peak memory consumption was 69.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:41,160 INFO L168 Benchmark]: Boogie Procedure Inliner took 358.56 ms. Allocated memory is still 172.0 MB. Free memory was 106.9 MB in the beginning and 95.5 MB in the end (delta: 11.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:41,161 INFO L168 Benchmark]: Boogie Preprocessor took 131.55 ms. Allocated memory is still 172.0 MB. Free memory was 95.5 MB in the beginning and 88.3 MB in the end (delta: 7.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:41,161 INFO L168 Benchmark]: RCFGBuilder took 11635.66 ms. Allocated memory was 172.0 MB in the beginning and 264.2 MB in the end (delta: 92.3 MB). Free memory was 88.3 MB in the beginning and 196.4 MB in the end (delta: -108.1 MB). Peak memory consumption was 134.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:41,162 INFO L168 Benchmark]: TraceAbstraction took 5382.72 ms. Allocated memory was 264.2 MB in the beginning and 318.8 MB in the end (delta: 54.5 MB). Free memory was 196.4 MB in the beginning and 185.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 66.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:41,162 INFO L168 Benchmark]: Witness Printer took 1156.54 ms. Allocated memory is still 318.8 MB. Free memory was 185.8 MB in the beginning and 117.3 MB in the end (delta: 68.5 MB). Peak memory consumption was 134.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:41,165 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 96.5 MB. Free memory is still 49.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3549.00 ms. Allocated memory was 96.5 MB in the beginning and 172.0 MB in the end (delta: 75.5 MB). Free memory was 56.8 MB in the beginning and 106.9 MB in the end (delta: -50.1 MB). Peak memory consumption was 69.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 358.56 ms. Allocated memory is still 172.0 MB. Free memory was 106.9 MB in the beginning and 95.5 MB in the end (delta: 11.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 131.55 ms. Allocated memory is still 172.0 MB. Free memory was 95.5 MB in the beginning and 88.3 MB in the end (delta: 7.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 11635.66 ms. Allocated memory was 172.0 MB in the beginning and 264.2 MB in the end (delta: 92.3 MB). Free memory was 88.3 MB in the beginning and 196.4 MB in the end (delta: -108.1 MB). Peak memory consumption was 134.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5382.72 ms. Allocated memory was 264.2 MB in the beginning and 318.8 MB in the end (delta: 54.5 MB). Free memory was 196.4 MB in the beginning and 185.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 66.1 MB. Max. memory is 16.1 GB. * Witness Printer took 1156.54 ms. Allocated memory is still 318.8 MB. Free memory was 185.8 MB in the beginning and 117.3 MB in the end (delta: 68.5 MB). Peak memory consumption was 134.9 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: 5.2s, 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: 0.2s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 1.6s 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 09:42:41,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d444f50e-2b6d-4399-8c24-e3dd09cdc844/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...