./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9c1b5966 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 617e08addfe2d13b261907959d3757079a581721356bb3e7b4090decaff2b168 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9c1b596 [2021-10-30 22:56:17,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-30 22:56:17,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-30 22:56:17,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-30 22:56:17,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-30 22:56:17,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-30 22:56:17,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-30 22:56:17,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-30 22:56:17,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-30 22:56:17,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-30 22:56:17,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-30 22:56:17,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-30 22:56:17,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-30 22:56:17,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-30 22:56:17,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-30 22:56:17,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-30 22:56:17,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-30 22:56:17,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-30 22:56:17,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-30 22:56:17,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-30 22:56:17,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-30 22:56:17,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-30 22:56:17,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-30 22:56:17,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-30 22:56:17,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-30 22:56:17,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-30 22:56:17,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-30 22:56:17,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-30 22:56:17,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-30 22:56:17,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-30 22:56:17,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-30 22:56:17,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-30 22:56:17,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-30 22:56:17,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-30 22:56:17,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-30 22:56:17,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-30 22:56:17,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-30 22:56:17,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-30 22:56:17,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-30 22:56:17,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-30 22:56:17,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-30 22:56:17,188 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-10-30 22:56:17,209 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-30 22:56:17,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-30 22:56:17,214 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-30 22:56:17,215 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-30 22:56:17,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-30 22:56:17,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-30 22:56:17,216 INFO L138 SettingsManager]: * Use SBE=true [2021-10-30 22:56:17,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-30 22:56:17,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-30 22:56:17,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-30 22:56:17,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-30 22:56:17,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-30 22:56:17,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-30 22:56:17,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-30 22:56:17,217 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-30 22:56:17,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-30 22:56:17,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-30 22:56:17,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-30 22:56:17,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-30 22:56:17,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-30 22:56:17,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-30 22:56:17,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-30 22:56:17,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-30 22:56:17,219 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-30 22:56:17,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-30 22:56:17,219 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-30 22:56:17,219 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-30 22:56:17,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-30 22:56:17,220 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-30 22:56:17,220 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 617e08addfe2d13b261907959d3757079a581721356bb3e7b4090decaff2b168 [2021-10-30 22:56:17,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-30 22:56:17,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-30 22:56:17,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-30 22:56:17,449 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-30 22:56:17,450 INFO L275 PluginConnector]: CDTParser initialized [2021-10-30 22:56:17,451 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i [2021-10-30 22:56:17,527 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74c7cc205/4b041f19c9af4ed4b7adf1bf7404a950/FLAGc8f089e3b [2021-10-30 22:56:18,233 INFO L306 CDTParser]: Found 1 translation units. [2021-10-30 22:56:18,234 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i [2021-10-30 22:56:18,265 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74c7cc205/4b041f19c9af4ed4b7adf1bf7404a950/FLAGc8f089e3b [2021-10-30 22:56:18,496 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74c7cc205/4b041f19c9af4ed4b7adf1bf7404a950 [2021-10-30 22:56:18,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-30 22:56:18,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-30 22:56:18,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-30 22:56:18,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-30 22:56:18,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-30 22:56:18,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.10 10:56:18" (1/1) ... [2021-10-30 22:56:18,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e9d2ed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.10 10:56:18, skipping insertion in model container [2021-10-30 22:56:18,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.10 10:56:18" (1/1) ... [2021-10-30 22:56:18,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-30 22:56:18,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-30 22:56:18,866 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i[4501,4514] [2021-10-30 22:56:18,875 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i[4561,4574] [2021-10-30 22:56:18,900 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-10-30 22:56:18,906 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-10-30 22:56:19,532 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:19,532 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:19,532 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:19,533 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:19,533 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:19,548 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:19,550 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:19,551 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:19,551 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:19,901 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-10-30 22:56:19,902 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-10-30 22:56:19,904 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-10-30 22:56:19,905 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-10-30 22:56:19,910 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-10-30 22:56:19,911 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-10-30 22:56:19,912 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-10-30 22:56:19,913 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-10-30 22:56:19,914 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-10-30 22:56:19,915 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-10-30 22:56:20,051 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-10-30 22:56:20,155 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,158 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,323 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,324 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,335 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,336 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,339 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,339 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,348 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,348 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,349 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,349 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,350 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,350 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,351 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-30 22:56:20,427 INFO L203 MainTranslator]: Completed pre-run [2021-10-30 22:56:20,443 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i[4501,4514] [2021-10-30 22:56:20,444 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i[4561,4574] [2021-10-30 22:56:20,445 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-10-30 22:56:20,445 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-10-30 22:56:20,477 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,478 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,478 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,479 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,479 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,483 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,483 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,484 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,484 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,509 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-10-30 22:56:20,509 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-10-30 22:56:20,510 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-10-30 22:56:20,510 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-10-30 22:56:20,511 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-10-30 22:56:20,511 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-10-30 22:56:20,511 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-10-30 22:56:20,512 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-10-30 22:56:20,512 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-10-30 22:56:20,512 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-10-30 22:56:20,523 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-10-30 22:56:20,554 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,556 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,605 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,605 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,610 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,610 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,613 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,613 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,618 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,619 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,619 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,620 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,620 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,620 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,621 WARN L1529 CHandler]: Possible shadowing of function index [2021-10-30 22:56:20,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-30 22:56:20,826 INFO L208 MainTranslator]: Completed translation [2021-10-30 22:56:20,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.10 10:56:20 WrapperNode [2021-10-30 22:56:20,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-30 22:56:20,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-30 22:56:20,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-30 22:56:20,828 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-30 22:56:20,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.10 10:56:20" (1/1) ... [2021-10-30 22:56:20,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.10 10:56:20" (1/1) ... [2021-10-30 22:56:21,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-30 22:56:21,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-30 22:56:21,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-30 22:56:21,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-30 22:56:21,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.10 10:56:20" (1/1) ... [2021-10-30 22:56:21,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.10 10:56:20" (1/1) ... [2021-10-30 22:56:21,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.10 10:56:20" (1/1) ... [2021-10-30 22:56:21,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.10 10:56:20" (1/1) ... [2021-10-30 22:56:21,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.10 10:56:20" (1/1) ... [2021-10-30 22:56:21,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.10 10:56:20" (1/1) ... [2021-10-30 22:56:21,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.10 10:56:20" (1/1) ... [2021-10-30 22:56:21,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-30 22:56:21,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-30 22:56:21,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-30 22:56:21,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-30 22:56:21,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.10 10:56:20" (1/1) ... [2021-10-30 22:56:21,101 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-30 22:56:21,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-30 22:56:21,120 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-30 22:56:21,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-30 22:56:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-10-30 22:56:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-30 22:56:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-30 22:56:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-30 22:56:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-30 22:56:21,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-30 22:56:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-30 22:56:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-30 22:56:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-30 22:56:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-30 22:56:21,691 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##77: assume !true; [2021-10-30 22:56:21,695 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-30 22:56:21,696 INFO L299 CfgBuilder]: Removed 86 assume(true) statements. [2021-10-30 22:56:21,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.10 10:56:21 BoogieIcfgContainer [2021-10-30 22:56:21,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-30 22:56:21,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-30 22:56:21,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-30 22:56:21,700 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-30 22:56:21,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.10 10:56:18" (1/3) ... [2021-10-30 22:56:21,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9cc0b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.10 10:56:21, skipping insertion in model container [2021-10-30 22:56:21,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.10 10:56:20" (2/3) ... [2021-10-30 22:56:21,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9cc0b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.10 10:56:21, skipping insertion in model container [2021-10-30 22:56:21,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.10 10:56:21" (3/3) ... [2021-10-30 22:56:21,702 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_string_eq_harness.i [2021-10-30 22:56:21,705 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-30 22:56:21,705 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-10-30 22:56:21,733 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-30 22:56:21,737 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 [2021-10-30 22:56:21,737 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-30 22:56:21,746 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 96 states have (on average 1.4166666666666667) internal successors, (136), 100 states have internal predecessors, (136), 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) [2021-10-30 22:56:21,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-30 22:56:21,750 INFO L505 BasicCegarLoop]: Found error trace [2021-10-30 22:56:21,751 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-30 22:56:21,751 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-30 22:56:21,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-30 22:56:21,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1460465419, now seen corresponding path program 1 times [2021-10-30 22:56:21,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-30 22:56:21,760 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272130645] [2021-10-30 22:56:21,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-30 22:56:21,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-30 22:56:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-30 22:56:22,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-30 22:56:22,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-30 22:56:22,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272130645] [2021-10-30 22:56:22,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272130645] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-30 22:56:22,046 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-30 22:56:22,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-30 22:56:22,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908853952] [2021-10-30 22:56:22,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-30 22:56:22,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-30 22:56:22,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-30 22:56:22,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-30 22:56:22,066 INFO L87 Difference]: Start difference. First operand has 101 states, 96 states have (on average 1.4166666666666667) internal successors, (136), 100 states have internal predecessors, (136), 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 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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) [2021-10-30 22:56:22,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-30 22:56:22,092 INFO L93 Difference]: Finished difference Result 198 states and 267 transitions. [2021-10-30 22:56:22,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-30 22:56:22,097 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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 45 [2021-10-30 22:56:22,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-30 22:56:22,103 INFO L225 Difference]: With dead ends: 198 [2021-10-30 22:56:22,103 INFO L226 Difference]: Without dead ends: 95 [2021-10-30 22:56:22,105 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 [2021-10-30 22:56:22,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-10-30 22:56:22,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2021-10-30 22:56:22,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 91 states have (on average 1.2307692307692308) internal successors, (112), 94 states have internal predecessors, (112), 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) [2021-10-30 22:56:22,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 112 transitions. [2021-10-30 22:56:22,137 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 112 transitions. Word has length 45 [2021-10-30 22:56:22,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-30 22:56:22,137 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 112 transitions. [2021-10-30 22:56:22,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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) [2021-10-30 22:56:22,138 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2021-10-30 22:56:22,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-30 22:56:22,140 INFO L505 BasicCegarLoop]: Found error trace [2021-10-30 22:56:22,140 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-30 22:56:22,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-30 22:56:22,143 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-30 22:56:22,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-30 22:56:22,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1370581995, now seen corresponding path program 1 times [2021-10-30 22:56:22,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-30 22:56:22,146 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602268199] [2021-10-30 22:56:22,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-30 22:56:22,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-30 22:56:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-30 22:56:22,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-30 22:56:22,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-30 22:56:22,352 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602268199] [2021-10-30 22:56:22,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602268199] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-30 22:56:22,352 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-30 22:56:22,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-30 22:56:22,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741388014] [2021-10-30 22:56:22,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-30 22:56:22,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-30 22:56:22,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-30 22:56:22,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-10-30 22:56:22,354 INFO L87 Difference]: Start difference. First operand 95 states and 112 transitions. Second operand has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 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) [2021-10-30 22:56:22,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-30 22:56:22,634 INFO L93 Difference]: Finished difference Result 201 states and 236 transitions. [2021-10-30 22:56:22,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-30 22:56:22,635 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 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 46 [2021-10-30 22:56:22,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-30 22:56:22,636 INFO L225 Difference]: With dead ends: 201 [2021-10-30 22:56:22,636 INFO L226 Difference]: Without dead ends: 136 [2021-10-30 22:56:22,637 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=160, Invalid=392, Unknown=0, NotChecked=0, Total=552 [2021-10-30 22:56:22,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-10-30 22:56:22,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 95. [2021-10-30 22:56:22,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 91 states have (on average 1.1868131868131868) internal successors, (108), 94 states have internal predecessors, (108), 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) [2021-10-30 22:56:22,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2021-10-30 22:56:22,643 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 46 [2021-10-30 22:56:22,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-30 22:56:22,643 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2021-10-30 22:56:22,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 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) [2021-10-30 22:56:22,644 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2021-10-30 22:56:22,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-30 22:56:22,645 INFO L505 BasicCegarLoop]: Found error trace [2021-10-30 22:56:22,645 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-30 22:56:22,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-30 22:56:22,645 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-30 22:56:22,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-30 22:56:22,646 INFO L85 PathProgramCache]: Analyzing trace with hash 947880169, now seen corresponding path program 1 times [2021-10-30 22:56:22,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-30 22:56:22,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352770880] [2021-10-30 22:56:22,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-30 22:56:22,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-30 22:56:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-30 22:56:22,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-30 22:56:22,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-30 22:56:22,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352770880] [2021-10-30 22:56:22,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352770880] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-30 22:56:22,758 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-30 22:56:22,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-30 22:56:22,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160838013] [2021-10-30 22:56:22,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-30 22:56:22,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-30 22:56:22,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-30 22:56:22,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-10-30 22:56:22,759 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 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) [2021-10-30 22:56:22,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-30 22:56:22,887 INFO L93 Difference]: Finished difference Result 141 states and 161 transitions. [2021-10-30 22:56:22,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-30 22:56:22,888 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 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 46 [2021-10-30 22:56:22,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-30 22:56:22,889 INFO L225 Difference]: With dead ends: 141 [2021-10-30 22:56:22,889 INFO L226 Difference]: Without dead ends: 95 [2021-10-30 22:56:22,889 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2021-10-30 22:56:22,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-10-30 22:56:22,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2021-10-30 22:56:22,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 91 states have (on average 1.1758241758241759) internal successors, (107), 94 states have internal predecessors, (107), 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) [2021-10-30 22:56:22,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 107 transitions. [2021-10-30 22:56:22,894 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 107 transitions. Word has length 46 [2021-10-30 22:56:22,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-30 22:56:22,895 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 107 transitions. [2021-10-30 22:56:22,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 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) [2021-10-30 22:56:22,895 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 107 transitions. [2021-10-30 22:56:22,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-30 22:56:22,896 INFO L505 BasicCegarLoop]: Found error trace [2021-10-30 22:56:22,896 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-30 22:56:22,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-30 22:56:22,896 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-30 22:56:22,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-30 22:56:22,897 INFO L85 PathProgramCache]: Analyzing trace with hash 479564307, now seen corresponding path program 1 times [2021-10-30 22:56:22,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-30 22:56:22,897 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006002386] [2021-10-30 22:56:22,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-30 22:56:22,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-30 22:56:22,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-30 22:56:23,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-30 22:56:23,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-30 22:56:23,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006002386] [2021-10-30 22:56:23,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006002386] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-30 22:56:23,052 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-30 22:56:23,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-30 22:56:23,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578700701] [2021-10-30 22:56:23,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-30 22:56:23,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-30 22:56:23,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-30 22:56:23,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-10-30 22:56:23,054 INFO L87 Difference]: Start difference. First operand 95 states and 107 transitions. Second operand has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 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) [2021-10-30 22:56:23,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-30 22:56:23,222 INFO L93 Difference]: Finished difference Result 132 states and 148 transitions. [2021-10-30 22:56:23,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-30 22:56:23,222 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 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 51 [2021-10-30 22:56:23,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-30 22:56:23,223 INFO L225 Difference]: With dead ends: 132 [2021-10-30 22:56:23,223 INFO L226 Difference]: Without dead ends: 95 [2021-10-30 22:56:23,223 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2021-10-30 22:56:23,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-10-30 22:56:23,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2021-10-30 22:56:23,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 91 states have (on average 1.164835164835165) internal successors, (106), 94 states have internal predecessors, (106), 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) [2021-10-30 22:56:23,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 106 transitions. [2021-10-30 22:56:23,227 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 106 transitions. Word has length 51 [2021-10-30 22:56:23,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-30 22:56:23,227 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 106 transitions. [2021-10-30 22:56:23,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 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) [2021-10-30 22:56:23,227 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 106 transitions. [2021-10-30 22:56:23,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-30 22:56:23,228 INFO L505 BasicCegarLoop]: Found error trace [2021-10-30 22:56:23,228 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-30 22:56:23,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-30 22:56:23,228 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-30 22:56:23,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-30 22:56:23,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1733405211, now seen corresponding path program 1 times [2021-10-30 22:56:23,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-30 22:56:23,228 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441299734] [2021-10-30 22:56:23,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-30 22:56:23,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-30 22:56:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-30 22:56:23,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-30 22:56:23,394 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-30 22:56:23,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441299734] [2021-10-30 22:56:23,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441299734] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-30 22:56:23,394 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-30 22:56:23,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-10-30 22:56:23,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144394043] [2021-10-30 22:56:23,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-30 22:56:23,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-30 22:56:23,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-30 22:56:23,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-10-30 22:56:23,396 INFO L87 Difference]: Start difference. First operand 95 states and 106 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 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) [2021-10-30 22:56:23,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-30 22:56:23,555 INFO L93 Difference]: Finished difference Result 116 states and 126 transitions. [2021-10-30 22:56:23,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-30 22:56:23,556 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 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 56 [2021-10-30 22:56:23,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-30 22:56:23,556 INFO L225 Difference]: With dead ends: 116 [2021-10-30 22:56:23,556 INFO L226 Difference]: Without dead ends: 95 [2021-10-30 22:56:23,557 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2021-10-30 22:56:23,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-10-30 22:56:23,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2021-10-30 22:56:23,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 91 states have (on average 1.1538461538461537) internal successors, (105), 94 states have internal predecessors, (105), 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) [2021-10-30 22:56:23,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 105 transitions. [2021-10-30 22:56:23,560 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 105 transitions. Word has length 56 [2021-10-30 22:56:23,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-30 22:56:23,561 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 105 transitions. [2021-10-30 22:56:23,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 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) [2021-10-30 22:56:23,561 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 105 transitions. [2021-10-30 22:56:23,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-30 22:56:23,561 INFO L505 BasicCegarLoop]: Found error trace [2021-10-30 22:56:23,561 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-30 22:56:23,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-30 22:56:23,562 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-30 22:56:23,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-30 22:56:23,562 INFO L85 PathProgramCache]: Analyzing trace with hash -2102829230, now seen corresponding path program 1 times [2021-10-30 22:56:23,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-30 22:56:23,562 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337084736] [2021-10-30 22:56:23,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-30 22:56:23,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-30 22:56:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-30 22:56:23,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-30 22:56:23,772 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-30 22:56:23,772 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337084736] [2021-10-30 22:56:23,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337084736] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-30 22:56:23,772 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-30 22:56:23,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-30 22:56:23,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837062324] [2021-10-30 22:56:23,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-30 22:56:23,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-30 22:56:23,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-30 22:56:23,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-10-30 22:56:23,774 INFO L87 Difference]: Start difference. First operand 95 states and 105 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 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) [2021-10-30 22:56:24,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-30 22:56:24,000 INFO L93 Difference]: Finished difference Result 95 states and 105 transitions. [2021-10-30 22:56:24,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-30 22:56:24,001 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 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 57 [2021-10-30 22:56:24,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-30 22:56:24,001 INFO L225 Difference]: With dead ends: 95 [2021-10-30 22:56:24,001 INFO L226 Difference]: Without dead ends: 93 [2021-10-30 22:56:24,002 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=180, Invalid=420, Unknown=0, NotChecked=0, Total=600 [2021-10-30 22:56:24,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-10-30 22:56:24,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2021-10-30 22:56:24,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 90 states have (on average 1.1444444444444444) internal successors, (103), 92 states have internal predecessors, (103), 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) [2021-10-30 22:56:24,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 103 transitions. [2021-10-30 22:56:24,005 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 103 transitions. Word has length 57 [2021-10-30 22:56:24,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-30 22:56:24,006 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 103 transitions. [2021-10-30 22:56:24,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 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) [2021-10-30 22:56:24,006 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 103 transitions. [2021-10-30 22:56:24,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-30 22:56:24,006 INFO L505 BasicCegarLoop]: Found error trace [2021-10-30 22:56:24,006 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-30 22:56:24,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-30 22:56:24,007 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-30 22:56:24,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-30 22:56:24,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1291137303, now seen corresponding path program 1 times [2021-10-30 22:56:24,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-30 22:56:24,007 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927643733] [2021-10-30 22:56:24,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-30 22:56:24,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-30 22:56:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-30 22:56:24,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-30 22:56:24,203 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-30 22:56:24,203 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927643733] [2021-10-30 22:56:24,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927643733] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-30 22:56:24,203 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-30 22:56:24,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-30 22:56:24,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761449639] [2021-10-30 22:56:24,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-30 22:56:24,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-30 22:56:24,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-30 22:56:24,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-30 22:56:24,205 INFO L87 Difference]: Start difference. First operand 93 states and 103 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 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) [2021-10-30 22:56:24,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-30 22:56:24,242 INFO L93 Difference]: Finished difference Result 93 states and 103 transitions. [2021-10-30 22:56:24,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-30 22:56:24,244 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 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 61 [2021-10-30 22:56:24,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-30 22:56:24,245 INFO L225 Difference]: With dead ends: 93 [2021-10-30 22:56:24,245 INFO L226 Difference]: Without dead ends: 0 [2021-10-30 22:56:24,246 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-10-30 22:56:24,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-30 22:56:24,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-30 22:56:24,246 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) [2021-10-30 22:56:24,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-30 22:56:24,248 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2021-10-30 22:56:24,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-30 22:56:24,248 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-30 22:56:24,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 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) [2021-10-30 22:56:24,248 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-30 22:56:24,248 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-30 22:56:24,250 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-30 22:56:24,250 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-30 22:56:24,250 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-30 22:56:24,251 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-30 22:56:24,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-30 22:56:24,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-30 22:56:24,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-30 22:56:24,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-30 22:56:24,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-30 22:56:24,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-30 22:56:24,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-30 22:56:24,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-30 22:56:24,267 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-30 22:56:24,267 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-30 22:56:24,267 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-30 22:56:24,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-30 22:56:24,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-30 22:56:24,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-30 22:56:24,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-30 22:56:24,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-30 22:56:24,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-30 22:56:24,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-30 22:56:24,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-30 22:56:24,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-30 22:56:24,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-30 22:56:24,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-30 22:56:24,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-30 22:56:24,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-30 22:56:24,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-30 22:56:24,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-30 22:56:24,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-30 22:56:24,297 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-30 22:56:24,297 INFO L857 garLoopResultBuilder]: For program point L7699(lines 7699 7703) no Hoare annotation was computed. [2021-10-30 22:56:24,297 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-30 22:56:24,297 INFO L857 garLoopResultBuilder]: For program point L11317(lines 11317 11327) no Hoare annotation was computed. [2021-10-30 22:56:24,297 INFO L857 garLoopResultBuilder]: For program point L11319-2(line 11319) no Hoare annotation was computed. [2021-10-30 22:56:24,297 INFO L857 garLoopResultBuilder]: For program point L11319(line 11319) no Hoare annotation was computed. [2021-10-30 22:56:24,298 INFO L853 garLoopResultBuilder]: At program point L6828-1(lines 6819 6829) the Hoare annotation is: false [2021-10-30 22:56:24,298 INFO L853 garLoopResultBuilder]: At program point L6828(lines 6819 6829) the Hoare annotation is: false [2021-10-30 22:56:24,298 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 224) no Hoare annotation was computed. [2021-10-30 22:56:24,298 INFO L857 garLoopResultBuilder]: For program point L222-1(lines 222 224) no Hoare annotation was computed. [2021-10-30 22:56:24,298 INFO L857 garLoopResultBuilder]: For program point L222-2(lines 7114 7124) no Hoare annotation was computed. [2021-10-30 22:56:24,299 INFO L857 garLoopResultBuilder]: For program point L222-3(lines 222 224) no Hoare annotation was computed. [2021-10-30 22:56:24,301 INFO L853 garLoopResultBuilder]: At program point L11074(lines 11056 11075) the Hoare annotation is: false [2021-10-30 22:56:24,302 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-30 22:56:24,302 INFO L857 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-10-30 22:56:24,302 INFO L857 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-10-30 22:56:24,302 INFO L857 garLoopResultBuilder]: For program point L223-3(line 223) no Hoare annotation was computed. [2021-10-30 22:56:24,302 INFO L857 garLoopResultBuilder]: For program point L223-4(line 223) no Hoare annotation was computed. [2021-10-30 22:56:24,302 INFO L857 garLoopResultBuilder]: For program point L223-6(line 223) no Hoare annotation was computed. [2021-10-30 22:56:24,302 INFO L853 garLoopResultBuilder]: At program point L10810-5(line 10810) the Hoare annotation is: false [2021-10-30 22:56:24,304 INFO L857 garLoopResultBuilder]: For program point L223-7(line 223) no Hoare annotation was computed. [2021-10-30 22:56:24,304 INFO L857 garLoopResultBuilder]: For program point L11058(line 11058) no Hoare annotation was computed. [2021-10-30 22:56:24,304 INFO L853 garLoopResultBuilder]: At program point L7705(lines 7686 7706) the Hoare annotation is: false [2021-10-30 22:56:24,304 INFO L857 garLoopResultBuilder]: For program point L223-9(line 223) no Hoare annotation was computed. [2021-10-30 22:56:24,305 INFO L857 garLoopResultBuilder]: For program point L223-10(line 223) no Hoare annotation was computed. [2021-10-30 22:56:24,305 INFO L857 garLoopResultBuilder]: For program point L10810-1(line 10810) no Hoare annotation was computed. [2021-10-30 22:56:24,305 INFO L857 garLoopResultBuilder]: For program point L10810-3(line 10810) no Hoare annotation was computed. [2021-10-30 22:56:24,305 INFO L857 garLoopResultBuilder]: For program point L11058-2(line 11058) no Hoare annotation was computed. [2021-10-30 22:56:24,305 INFO L857 garLoopResultBuilder]: For program point L11323(lines 11323 11326) no Hoare annotation was computed. [2021-10-30 22:56:24,305 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-30 22:56:24,305 INFO L857 garLoopResultBuilder]: For program point L11059(line 11059) no Hoare annotation was computed. [2021-10-30 22:56:24,305 INFO L857 garLoopResultBuilder]: For program point L11059-2(line 11059) no Hoare annotation was computed. [2021-10-30 22:56:24,305 INFO L857 garLoopResultBuilder]: For program point L7112(lines 7112 7125) no Hoare annotation was computed. [2021-10-30 22:56:24,306 INFO L857 garLoopResultBuilder]: For program point L11060(lines 11060 11064) no Hoare annotation was computed. [2021-10-30 22:56:24,306 INFO L853 garLoopResultBuilder]: At program point L6816-1(lines 6813 6817) the Hoare annotation is: false [2021-10-30 22:56:24,307 INFO L853 garLoopResultBuilder]: At program point L6816(lines 6813 6817) the Hoare annotation is: false [2021-10-30 22:56:24,307 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-30 22:56:24,307 INFO L853 garLoopResultBuilder]: At program point L6899-1(lines 6895 6900) the Hoare annotation is: false [2021-10-30 22:56:24,307 INFO L853 garLoopResultBuilder]: At program point L6899(lines 6895 6900) the Hoare annotation is: false [2021-10-30 22:56:24,307 INFO L857 garLoopResultBuilder]: For program point L210(lines 210 212) no Hoare annotation was computed. [2021-10-30 22:56:24,307 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2021-10-30 22:56:24,307 INFO L857 garLoopResultBuilder]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2021-10-30 22:56:24,307 INFO L857 garLoopResultBuilder]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2021-10-30 22:56:24,307 INFO L857 garLoopResultBuilder]: For program point L210-4(lines 210 212) no Hoare annotation was computed. [2021-10-30 22:56:24,308 INFO L857 garLoopResultBuilder]: For program point L210-5(lines 210 212) no Hoare annotation was computed. [2021-10-30 22:56:24,308 INFO L857 garLoopResultBuilder]: For program point L210-6(lines 210 212) no Hoare annotation was computed. [2021-10-30 22:56:24,308 INFO L857 garLoopResultBuilder]: For program point L210-7(lines 210 212) no Hoare annotation was computed. [2021-10-30 22:56:24,310 INFO L857 garLoopResultBuilder]: For program point L210-8(lines 210 212) no Hoare annotation was computed. [2021-10-30 22:56:24,311 INFO L857 garLoopResultBuilder]: For program point L210-9(lines 7693 7697) no Hoare annotation was computed. [2021-10-30 22:56:24,311 INFO L857 garLoopResultBuilder]: For program point L210-10(lines 210 212) no Hoare annotation was computed. [2021-10-30 22:56:24,311 INFO L853 garLoopResultBuilder]: At program point L6272-1(lines 6263 6273) the Hoare annotation is: false [2021-10-30 22:56:24,312 INFO L853 garLoopResultBuilder]: At program point L6272(lines 6263 6273) the Hoare annotation is: false [2021-10-30 22:56:24,312 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-30 22:56:24,312 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-30 22:56:24,312 INFO L857 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-10-30 22:56:24,312 INFO L857 garLoopResultBuilder]: For program point L211-4(line 211) no Hoare annotation was computed. [2021-10-30 22:56:24,312 INFO L857 garLoopResultBuilder]: For program point L211-6(line 211) no Hoare annotation was computed. [2021-10-30 22:56:24,312 INFO L857 garLoopResultBuilder]: For program point L211-8(line 211) no Hoare annotation was computed. [2021-10-30 22:56:24,312 INFO L857 garLoopResultBuilder]: For program point L211-10(line 211) no Hoare annotation was computed. [2021-10-30 22:56:24,313 INFO L857 garLoopResultBuilder]: For program point L211-12(line 211) no Hoare annotation was computed. [2021-10-30 22:56:24,313 INFO L853 garLoopResultBuilder]: At program point L261(line 261) the Hoare annotation is: false [2021-10-30 22:56:24,313 INFO L857 garLoopResultBuilder]: For program point L211-14(line 211) no Hoare annotation was computed. [2021-10-30 22:56:24,313 INFO L853 garLoopResultBuilder]: At program point L261-1(line 261) the Hoare annotation is: false [2021-10-30 22:56:24,313 INFO L853 garLoopResultBuilder]: At program point L261-2(line 261) the Hoare annotation is: false [2021-10-30 22:56:24,313 INFO L857 garLoopResultBuilder]: For program point L211-16(line 211) no Hoare annotation was computed. [2021-10-30 22:56:24,313 INFO L857 garLoopResultBuilder]: For program point L211-18(line 211) no Hoare annotation was computed. [2021-10-30 22:56:24,313 INFO L857 garLoopResultBuilder]: For program point L211-20(line 211) no Hoare annotation was computed. [2021-10-30 22:56:24,314 INFO L857 garLoopResultBuilder]: For program point L6257-2(line 6257) no Hoare annotation was computed. [2021-10-30 22:56:24,315 INFO L857 garLoopResultBuilder]: For program point L6257-3(line 6257) no Hoare annotation was computed. [2021-10-30 22:56:24,315 INFO L857 garLoopResultBuilder]: For program point L6257(line 6257) no Hoare annotation was computed. [2021-10-30 22:56:24,315 INFO L853 garLoopResultBuilder]: At program point L6257-6(lines 6253 6258) the Hoare annotation is: false [2021-10-30 22:56:24,315 INFO L857 garLoopResultBuilder]: For program point L6257-7(line 6257) no Hoare annotation was computed. [2021-10-30 22:56:24,315 INFO L857 garLoopResultBuilder]: For program point L6257-5(line 6257) no Hoare annotation was computed. [2021-10-30 22:56:24,315 INFO L857 garLoopResultBuilder]: For program point L6257-10(line 6257) no Hoare annotation was computed. [2021-10-30 22:56:24,315 INFO L857 garLoopResultBuilder]: For program point L6257-9(line 6257) no Hoare annotation was computed. [2021-10-30 22:56:24,315 INFO L857 garLoopResultBuilder]: For program point L6257-14(line 6257) no Hoare annotation was computed. [2021-10-30 22:56:24,317 INFO L857 garLoopResultBuilder]: For program point L6257-12(line 6257) no Hoare annotation was computed. [2021-10-30 22:56:24,317 INFO L853 garLoopResultBuilder]: At program point L6257-13(lines 6253 6258) the Hoare annotation is: false [2021-10-30 22:56:24,317 INFO L857 garLoopResultBuilder]: For program point L6257-19(line 6257) no Hoare annotation was computed. [2021-10-30 22:56:24,317 INFO L857 garLoopResultBuilder]: For program point L6257-16(line 6257) no Hoare annotation was computed. [2021-10-30 22:56:24,317 INFO L857 garLoopResultBuilder]: For program point L6257-17(line 6257) no Hoare annotation was computed. [2021-10-30 22:56:24,318 INFO L860 garLoopResultBuilder]: At program point L11328(line 11328) the Hoare annotation is: true [2021-10-30 22:56:24,318 INFO L857 garLoopResultBuilder]: For program point L6257-23(line 6257) no Hoare annotation was computed. [2021-10-30 22:56:24,318 INFO L853 garLoopResultBuilder]: At program point L6257-20(lines 6253 6258) the Hoare annotation is: false [2021-10-30 22:56:24,318 INFO L857 garLoopResultBuilder]: For program point L6257-21(line 6257) no Hoare annotation was computed. [2021-10-30 22:56:24,318 INFO L857 garLoopResultBuilder]: For program point L6257-26(line 6257) no Hoare annotation was computed. [2021-10-30 22:56:24,318 INFO L853 garLoopResultBuilder]: At program point L6257-27(lines 6253 6258) the Hoare annotation is: false [2021-10-30 22:56:24,318 INFO L857 garLoopResultBuilder]: For program point L6257-24(line 6257) no Hoare annotation was computed. [2021-10-30 22:56:24,318 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-30 22:56:24,318 INFO L853 garLoopResultBuilder]: At program point L6903-1(lines 6902 6904) the Hoare annotation is: false [2021-10-30 22:56:24,319 INFO L853 garLoopResultBuilder]: At program point L6903(lines 6902 6904) the Hoare annotation is: false [2021-10-30 22:56:24,319 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-30 22:56:24,319 INFO L857 garLoopResultBuilder]: For program point L11065(lines 11065 11073) no Hoare annotation was computed. [2021-10-30 22:56:24,319 INFO L853 garLoopResultBuilder]: At program point L10803(lines 10803 10811) the Hoare annotation is: false [2021-10-30 22:56:24,319 INFO L853 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: (= ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size 96) [2021-10-30 22:56:24,319 INFO L853 garLoopResultBuilder]: At program point L266-1(line 266) the Hoare annotation is: false [2021-10-30 22:56:24,319 INFO L857 garLoopResultBuilder]: For program point L6823(lines 6823 6824) no Hoare annotation was computed. [2021-10-30 22:56:24,319 INFO L853 garLoopResultBuilder]: At program point L266-2(line 266) the Hoare annotation is: false [2021-10-30 22:56:24,320 INFO L857 garLoopResultBuilder]: For program point L6823-5(lines 6823 6824) no Hoare annotation was computed. [2021-10-30 22:56:24,320 INFO L857 garLoopResultBuilder]: For program point L6823-3(lines 6823 6824) no Hoare annotation was computed. [2021-10-30 22:56:24,320 INFO L857 garLoopResultBuilder]: For program point L6823-2(lines 6823 6824) no Hoare annotation was computed. [2021-10-30 22:56:24,323 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-10-30 22:56:24,324 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-30 22:56:24,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.10 10:56:24 BoogieIcfgContainer [2021-10-30 22:56:24,337 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-30 22:56:24,337 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-30 22:56:24,337 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-30 22:56:24,337 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-30 22:56:24,338 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.10 10:56:21" (3/4) ... [2021-10-30 22:56:24,340 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-30 22:56:24,364 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2021-10-30 22:56:24,365 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-30 22:56:24,365 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-30 22:56:24,366 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-30 22:56:24,522 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-10-30 22:56:24,522 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-30 22:56:24,523 INFO L168 Benchmark]: Toolchain (without parser) took 6023.52 ms. Allocated memory was 136.3 MB in the beginning and 274.7 MB in the end (delta: 138.4 MB). Free memory was 102.9 MB in the beginning and 126.1 MB in the end (delta: -23.2 MB). Peak memory consumption was 113.4 MB. Max. memory is 16.1 GB. [2021-10-30 22:56:24,523 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 136.3 MB. Free memory was 94.3 MB in the beginning and 94.2 MB in the end (delta: 67.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-30 22:56:24,524 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2327.41 ms. Allocated memory was 136.3 MB in the beginning and 186.6 MB in the end (delta: 50.3 MB). Free memory was 102.9 MB in the beginning and 110.4 MB in the end (delta: -7.5 MB). Peak memory consumption was 126.6 MB. Max. memory is 16.1 GB. [2021-10-30 22:56:24,524 INFO L168 Benchmark]: Boogie Procedure Inliner took 193.41 ms. Allocated memory is still 186.6 MB. Free memory was 110.4 MB in the beginning and 97.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-30 22:56:24,524 INFO L168 Benchmark]: Boogie Preprocessor took 69.80 ms. Allocated memory is still 186.6 MB. Free memory was 97.8 MB in the beginning and 92.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-30 22:56:24,524 INFO L168 Benchmark]: RCFGBuilder took 604.74 ms. Allocated memory is still 186.6 MB. Free memory was 92.6 MB in the beginning and 104.4 MB in the end (delta: -11.8 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2021-10-30 22:56:24,524 INFO L168 Benchmark]: TraceAbstraction took 2638.69 ms. Allocated memory was 186.6 MB in the beginning and 274.7 MB in the end (delta: 88.1 MB). Free memory was 104.4 MB in the beginning and 201.2 MB in the end (delta: -96.8 MB). Peak memory consumption was 96.1 MB. Max. memory is 16.1 GB. [2021-10-30 22:56:24,525 INFO L168 Benchmark]: Witness Printer took 185.11 ms. Allocated memory is still 274.7 MB. Free memory was 201.2 MB in the beginning and 126.1 MB in the end (delta: 75.0 MB). Peak memory consumption was 73.4 MB. Max. memory is 16.1 GB. [2021-10-30 22:56:24,526 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 136.3 MB. Free memory was 94.3 MB in the beginning and 94.2 MB in the end (delta: 67.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2327.41 ms. Allocated memory was 136.3 MB in the beginning and 186.6 MB in the end (delta: 50.3 MB). Free memory was 102.9 MB in the beginning and 110.4 MB in the end (delta: -7.5 MB). Peak memory consumption was 126.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 193.41 ms. Allocated memory is still 186.6 MB. Free memory was 110.4 MB in the beginning and 97.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.80 ms. Allocated memory is still 186.6 MB. Free memory was 97.8 MB in the beginning and 92.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 604.74 ms. Allocated memory is still 186.6 MB. Free memory was 92.6 MB in the beginning and 104.4 MB in the end (delta: -11.8 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2638.69 ms. Allocated memory was 186.6 MB in the beginning and 274.7 MB in the end (delta: 88.1 MB). Free memory was 104.4 MB in the beginning and 201.2 MB in the end (delta: -96.8 MB). Peak memory consumption was 96.1 MB. Max. memory is 16.1 GB. * Witness Printer took 185.11 ms. Allocated memory is still 274.7 MB. Free memory was 201.2 MB in the beginning and 126.1 MB in the end (delta: 75.0 MB). Peak memory consumption was 73.4 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 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - 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, 101 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 560 SDtfs, 2831 SDslu, 1484 SDs, 0 SdLazy, 498 SolverSat, 102 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=0, InterpolantAutomatonStates: 84, 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, 7 MinimizatonAttempts, 41 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 26 NumberOfFragments, 27 HoareAnnotationTreeSize, 25 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 362 NumberOfCodeBlocks, 362 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 355 ConstructedInterpolants, 0 QuantifiedInterpolants, 905 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 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 4 specifications checked. All of them hold - InvariantResult [Line: 6895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 10803]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6902]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: max_size == 96 - InvariantResult [Line: 6253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6819]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 11056]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6813]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6902]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 10810]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6813]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6819]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 11328]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-30 22:56:24,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...