./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4d014703 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_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 8b61e347701f0c89420e753e852eb314cc29dd4fd4a4715a05b300c448d0ac03 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-4d01470 [2021-11-02 14:09:39,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 14:09:39,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 14:09:39,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 14:09:39,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 14:09:39,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 14:09:39,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 14:09:39,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 14:09:39,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 14:09:39,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 14:09:39,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 14:09:39,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 14:09:39,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 14:09:39,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 14:09:39,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 14:09:39,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 14:09:39,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 14:09:39,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 14:09:39,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 14:09:39,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 14:09:39,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 14:09:39,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 14:09:39,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 14:09:39,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 14:09:39,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 14:09:39,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 14:09:39,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 14:09:39,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 14:09:39,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 14:09:39,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 14:09:39,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 14:09:39,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 14:09:39,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 14:09:39,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 14:09:39,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 14:09:39,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 14:09:39,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 14:09:39,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 14:09:39,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 14:09:39,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 14:09:39,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 14:09:39,206 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-02 14:09:39,219 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 14:09:39,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 14:09:39,220 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 14:09:39,220 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 14:09:39,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 14:09:39,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 14:09:39,222 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 14:09:39,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 14:09:39,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 14:09:39,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 14:09:39,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 14:09:39,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 14:09:39,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 14:09:39,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 14:09:39,223 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 14:09:39,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 14:09:39,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 14:09:39,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 14:09:39,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 14:09:39,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 14:09:39,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 14:09:39,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 14:09:39,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 14:09:39,225 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 14:09:39,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 14:09:39,225 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 14:09:39,225 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 14:09:39,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 14:09:39,226 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 14:09:39,226 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b61e347701f0c89420e753e852eb314cc29dd4fd4a4715a05b300c448d0ac03 [2021-11-02 14:09:39,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 14:09:39,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 14:09:39,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 14:09:39,446 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 14:09:39,447 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 14:09:39,448 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i [2021-11-02 14:09:39,533 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c8de7915/22af31b30db249f7a5823161c6c3baeb/FLAG4a6fb18f2 [2021-11-02 14:09:40,210 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 14:09:40,211 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i [2021-11-02 14:09:40,248 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c8de7915/22af31b30db249f7a5823161c6c3baeb/FLAG4a6fb18f2 [2021-11-02 14:09:40,346 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c8de7915/22af31b30db249f7a5823161c6c3baeb [2021-11-02 14:09:40,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 14:09:40,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 14:09:40,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 14:09:40,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 14:09:40,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 14:09:40,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 02:09:40" (1/1) ... [2021-11-02 14:09:40,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2590741e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:09:40, skipping insertion in model container [2021-11-02 14:09:40,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 02:09:40" (1/1) ... [2021-11-02 14:09:40,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 14:09:40,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 14:09:40,800 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_string_eq_harness.i[4487,4500] [2021-11-02 14:09:40,812 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_string_eq_harness.i[4547,4560] [2021-11-02 14:09:40,850 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-02 14:09:40,859 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-02 14:09:41,570 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 14:09:41,571 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 14:09:41,571 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 14:09:41,572 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 14:09:41,573 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 14:09:41,594 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 14:09:41,595 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 14:09:41,598 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 14:09:41,601 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 14:09:41,990 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-02 14:09:41,991 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-02 14:09:41,992 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-02 14:09:41,993 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-02 14:09:41,994 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-02 14:09:41,994 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-02 14:09:41,995 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-02 14:09:41,995 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-02 14:09:41,996 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-02 14:09:41,996 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-02 14:09:42,125 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-02 14:09:42,246 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 14:09:42,247 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 14:09:42,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 14:09:42,327 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 14:09:42,346 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_string_eq_harness.i[4487,4500] [2021-11-02 14:09:42,348 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_string_eq_harness.i[4547,4560] [2021-11-02 14:09:42,349 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-02 14:09:42,350 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-02 14:09:42,379 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 14:09:42,379 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 14:09:42,379 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 14:09:42,380 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 14:09:42,380 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 14:09:42,384 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 14:09:42,386 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 14:09:42,387 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 14:09:42,388 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 14:09:42,413 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-02 14:09:42,414 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-02 14:09:42,419 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-02 14:09:42,420 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-02 14:09:42,421 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-02 14:09:42,421 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-02 14:09:42,421 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-02 14:09:42,422 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-02 14:09:42,422 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-02 14:09:42,422 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-02 14:09:42,441 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-02 14:09:42,501 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 14:09:42,501 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 14:09:42,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 14:09:42,672 INFO L208 MainTranslator]: Completed translation [2021-11-02 14:09:42,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:09:42 WrapperNode [2021-11-02 14:09:42,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 14:09:42,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 14:09:42,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 14:09:42,674 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 14:09:42,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:09:42" (1/1) ... [2021-11-02 14:09:42,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:09:42" (1/1) ... [2021-11-02 14:09:42,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 14:09:42,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 14:09:42,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 14:09:42,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 14:09:42,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:09:42" (1/1) ... [2021-11-02 14:09:42,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:09:42" (1/1) ... [2021-11-02 14:09:42,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:09:42" (1/1) ... [2021-11-02 14:09:42,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:09:42" (1/1) ... [2021-11-02 14:09:42,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:09:42" (1/1) ... [2021-11-02 14:09:42,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:09:42" (1/1) ... [2021-11-02 14:09:42,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:09:42" (1/1) ... [2021-11-02 14:09:42,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 14:09:42,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 14:09:42,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 14:09:42,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 14:09:42,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:09:42" (1/1) ... [2021-11-02 14:09:42,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 14:09:42,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 14:09:42,947 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) [2021-11-02 14:09:43,006 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 [2021-11-02 14:09:43,026 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-02 14:09:43,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 14:09:43,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-02 14:09:43,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-02 14:09:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 14:09:43,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 14:09:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 14:09:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-02 14:09:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 14:09:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 14:09:43,563 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 14:09:43,566 INFO L299 CfgBuilder]: Removed 78 assume(true) statements. [2021-11-02 14:09:43,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 02:09:43 BoogieIcfgContainer [2021-11-02 14:09:43,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 14:09:43,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 14:09:43,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 14:09:43,575 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 14:09:43,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 02:09:40" (1/3) ... [2021-11-02 14:09:43,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ceeaf31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 02:09:43, skipping insertion in model container [2021-11-02 14:09:43,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:09:42" (2/3) ... [2021-11-02 14:09:43,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ceeaf31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 02:09:43, skipping insertion in model container [2021-11-02 14:09:43,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 02:09:43" (3/3) ... [2021-11-02 14:09:43,578 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_eq_harness.i [2021-11-02 14:09:43,583 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 14:09:43,583 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-11-02 14:09:43,625 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 14:09:43,633 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-02 14:09:43,633 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-02 14:09:43,651 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 92 states have (on average 1.423913043478261) internal successors, (131), 97 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:09:43,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-02 14:09:43,658 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:09:43,658 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:09:43,659 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-02 14:09:43,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:09:43,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1662175227, now seen corresponding path program 1 times [2021-11-02 14:09:43,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:09:43,671 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109405860] [2021-11-02 14:09:43,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:09:43,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:09:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:09:44,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:09:44,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:09:44,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109405860] [2021-11-02 14:09:44,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109405860] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 14:09:44,037 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:09:44,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 14:09:44,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048188690] [2021-11-02 14:09:44,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-02 14:09:44,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:09:44,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-02 14:09:44,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 14:09:44,069 INFO L87 Difference]: Start difference. First operand has 98 states, 92 states have (on average 1.423913043478261) internal successors, (131), 97 states have internal predecessors, (131), 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 10.5) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:09:44,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:09:44,283 INFO L93 Difference]: Finished difference Result 190 states and 254 transitions. [2021-11-02 14:09:44,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 14:09:44,285 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 21 [2021-11-02 14:09:44,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:09:44,293 INFO L225 Difference]: With dead ends: 190 [2021-11-02 14:09:44,294 INFO L226 Difference]: Without dead ends: 93 [2021-11-02 14:09:44,297 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.05ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 14:09:44,303 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 126.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.06ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 179.55ms IncrementalHoareTripleChecker+Time [2021-11-02 14:09:44,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 117 Unknown, 0 Unchecked, 2.06ms Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 179.55ms Time] [2021-11-02 14:09:44,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-11-02 14:09:44,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2021-11-02 14:09:44,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 88 states have (on average 1.2613636363636365) internal successors, (111), 92 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:09:44,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 111 transitions. [2021-11-02 14:09:44,344 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 111 transitions. Word has length 21 [2021-11-02 14:09:44,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:09:44,345 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 111 transitions. [2021-11-02 14:09:44,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:09:44,346 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 111 transitions. [2021-11-02 14:09:44,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-02 14:09:44,350 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:09:44,350 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:09:44,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 14:09:44,351 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-02 14:09:44,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:09:44,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1931727491, now seen corresponding path program 1 times [2021-11-02 14:09:44,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:09:44,354 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135388362] [2021-11-02 14:09:44,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:09:44,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:09:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:09:44,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:09:44,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:09:44,501 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135388362] [2021-11-02 14:09:44,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135388362] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 14:09:44,501 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:09:44,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 14:09:44,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064192548] [2021-11-02 14:09:44,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 14:09:44,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:09:44,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 14:09:44,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 14:09:44,503 INFO L87 Difference]: Start difference. First operand 93 states and 111 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:09:44,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:09:44,836 INFO L93 Difference]: Finished difference Result 170 states and 204 transitions. [2021-11-02 14:09:44,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 14:09:44,837 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 21 [2021-11-02 14:09:44,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:09:44,839 INFO L225 Difference]: With dead ends: 170 [2021-11-02 14:09:44,839 INFO L226 Difference]: Without dead ends: 93 [2021-11-02 14:09:44,840 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.61ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 14:09:44,842 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 41 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 218.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.66ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 285.52ms IncrementalHoareTripleChecker+Time [2021-11-02 14:09:44,842 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 0 Invalid, 332 Unknown, 0 Unchecked, 5.66ms Time], IncrementalHoareTripleChecker [0 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 285.52ms Time] [2021-11-02 14:09:44,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-11-02 14:09:44,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2021-11-02 14:09:44,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 88 states have (on average 1.25) internal successors, (110), 92 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:09:44,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 110 transitions. [2021-11-02 14:09:44,849 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 110 transitions. Word has length 21 [2021-11-02 14:09:44,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:09:44,849 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 110 transitions. [2021-11-02 14:09:44,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:09:44,850 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2021-11-02 14:09:44,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-02 14:09:44,851 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:09:44,851 INFO L514 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] [2021-11-02 14:09:44,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-02 14:09:44,851 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-02 14:09:44,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:09:44,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1416092519, now seen corresponding path program 1 times [2021-11-02 14:09:44,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:09:44,852 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524263563] [2021-11-02 14:09:44,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:09:44,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:09:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:09:45,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:09:45,015 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:09:45,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524263563] [2021-11-02 14:09:45,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524263563] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 14:09:45,016 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:09:45,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-02 14:09:45,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232963096] [2021-11-02 14:09:45,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-02 14:09:45,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:09:45,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-02 14:09:45,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-02 14:09:45,018 INFO L87 Difference]: Start difference. First operand 93 states and 110 transitions. Second operand has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:09:45,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:09:45,363 INFO L93 Difference]: Finished difference Result 148 states and 176 transitions. [2021-11-02 14:09:45,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-02 14:09:45,363 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-02 14:09:45,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:09:45,364 INFO L225 Difference]: With dead ends: 148 [2021-11-02 14:09:45,364 INFO L226 Difference]: Without dead ends: 93 [2021-11-02 14:09:45,364 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 100.38ms TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2021-11-02 14:09:45,365 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 447 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 197.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.64ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 246.10ms IncrementalHoareTripleChecker+Time [2021-11-02 14:09:45,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [447 Valid, 0 Invalid, 414 Unknown, 0 Unchecked, 3.64ms Time], IncrementalHoareTripleChecker [8 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 246.10ms Time] [2021-11-02 14:09:45,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-11-02 14:09:45,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2021-11-02 14:09:45,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 88 states have (on average 1.2386363636363635) internal successors, (109), 92 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:09:45,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 109 transitions. [2021-11-02 14:09:45,371 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 109 transitions. Word has length 32 [2021-11-02 14:09:45,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:09:45,371 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 109 transitions. [2021-11-02 14:09:45,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:09:45,371 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 109 transitions. [2021-11-02 14:09:45,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-02 14:09:45,372 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:09:45,372 INFO L514 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] [2021-11-02 14:09:45,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-02 14:09:45,372 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-02 14:09:45,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:09:45,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1445848690, now seen corresponding path program 1 times [2021-11-02 14:09:45,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:09:45,373 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866623262] [2021-11-02 14:09:45,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:09:45,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:09:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:09:45,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:09:45,428 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:09:45,428 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866623262] [2021-11-02 14:09:45,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866623262] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 14:09:45,428 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:09:45,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 14:09:45,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610845453] [2021-11-02 14:09:45,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 14:09:45,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:09:45,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 14:09:45,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 14:09:45,430 INFO L87 Difference]: Start difference. First operand 93 states and 109 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:09:45,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:09:45,644 INFO L93 Difference]: Finished difference Result 166 states and 197 transitions. [2021-11-02 14:09:45,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 14:09:45,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 37 [2021-11-02 14:09:45,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:09:45,646 INFO L225 Difference]: With dead ends: 166 [2021-11-02 14:09:45,646 INFO L226 Difference]: Without dead ends: 109 [2021-11-02 14:09:45,646 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.97ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 14:09:45,647 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 9 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 149.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.09ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 187.68ms IncrementalHoareTripleChecker+Time [2021-11-02 14:09:45,647 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 0 Invalid, 353 Unknown, 0 Unchecked, 1.09ms Time], IncrementalHoareTripleChecker [13 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 187.68ms Time] [2021-11-02 14:09:45,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-11-02 14:09:45,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 101. [2021-11-02 14:09:45,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 96 states have (on average 1.21875) internal successors, (117), 100 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:09:45,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2021-11-02 14:09:45,653 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 37 [2021-11-02 14:09:45,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:09:45,653 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2021-11-02 14:09:45,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:09:45,654 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2021-11-02 14:09:45,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-02 14:09:45,655 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:09:45,655 INFO L514 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] [2021-11-02 14:09:45,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-02 14:09:45,655 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-02 14:09:45,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:09:45,656 INFO L85 PathProgramCache]: Analyzing trace with hash 165985012, now seen corresponding path program 1 times [2021-11-02 14:09:45,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:09:45,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894171299] [2021-11-02 14:09:45,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:09:45,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:09:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:09:45,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:09:45,767 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:09:45,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894171299] [2021-11-02 14:09:45,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894171299] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 14:09:45,768 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:09:45,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-02 14:09:45,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284464874] [2021-11-02 14:09:45,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-02 14:09:45,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:09:45,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-02 14:09:45,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-02 14:09:45,770 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:09:46,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:09:46,210 INFO L93 Difference]: Finished difference Result 151 states and 175 transitions. [2021-11-02 14:09:46,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-02 14:09:46,211 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 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 37 [2021-11-02 14:09:46,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:09:46,212 INFO L225 Difference]: With dead ends: 151 [2021-11-02 14:09:46,212 INFO L226 Difference]: Without dead ends: 101 [2021-11-02 14:09:46,213 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 112.77ms TimeCoverageRelationStatistics Valid=128, Invalid=334, Unknown=0, NotChecked=0, Total=462 [2021-11-02 14:09:46,215 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 503 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 241.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.06ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 334.52ms IncrementalHoareTripleChecker+Time [2021-11-02 14:09:46,216 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [503 Valid, 0 Invalid, 557 Unknown, 0 Unchecked, 3.06ms Time], IncrementalHoareTripleChecker [14 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 334.52ms Time] [2021-11-02 14:09:46,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-11-02 14:09:46,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-11-02 14:09:46,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 96 states have (on average 1.2083333333333333) internal successors, (116), 100 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:09:46,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 116 transitions. [2021-11-02 14:09:46,229 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 116 transitions. Word has length 37 [2021-11-02 14:09:46,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:09:46,229 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 116 transitions. [2021-11-02 14:09:46,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:09:46,230 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 116 transitions. [2021-11-02 14:09:46,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-02 14:09:46,233 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:09:46,233 INFO L514 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] [2021-11-02 14:09:46,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-02 14:09:46,233 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-02 14:09:46,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:09:46,234 INFO L85 PathProgramCache]: Analyzing trace with hash 2118126403, now seen corresponding path program 1 times [2021-11-02 14:09:46,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:09:46,235 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852665588] [2021-11-02 14:09:46,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:09:46,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:09:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:09:46,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:09:46,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:09:46,369 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852665588] [2021-11-02 14:09:46,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852665588] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 14:09:46,369 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:09:46,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-02 14:09:46,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10548745] [2021-11-02 14:09:46,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-02 14:09:46,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:09:46,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-02 14:09:46,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-11-02 14:09:46,371 INFO L87 Difference]: Start difference. First operand 101 states and 116 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:09:46,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:09:46,719 INFO L93 Difference]: Finished difference Result 162 states and 187 transitions. [2021-11-02 14:09:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-02 14:09:46,720 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 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 42 [2021-11-02 14:09:46,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:09:46,720 INFO L225 Difference]: With dead ends: 162 [2021-11-02 14:09:46,721 INFO L226 Difference]: Without dead ends: 97 [2021-11-02 14:09:46,721 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 112.93ms TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2021-11-02 14:09:46,721 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 484 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 201.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.55ms SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 247.11ms IncrementalHoareTripleChecker+Time [2021-11-02 14:09:46,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [484 Valid, 0 Invalid, 459 Unknown, 0 Unchecked, 2.55ms Time], IncrementalHoareTripleChecker [22 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 247.11ms Time] [2021-11-02 14:09:46,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2021-11-02 14:09:46,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2021-11-02 14:09:46,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 92 states have (on average 1.1956521739130435) internal successors, (110), 96 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:09:46,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 110 transitions. [2021-11-02 14:09:46,725 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 110 transitions. Word has length 42 [2021-11-02 14:09:46,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:09:46,725 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 110 transitions. [2021-11-02 14:09:46,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:09:46,725 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2021-11-02 14:09:46,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-02 14:09:46,726 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:09:46,726 INFO L514 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] [2021-11-02 14:09:46,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-02 14:09:46,726 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-02 14:09:46,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:09:46,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1578047161, now seen corresponding path program 1 times [2021-11-02 14:09:46,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:09:46,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094506152] [2021-11-02 14:09:46,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:09:46,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:09:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:09:46,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:09:46,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:09:46,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094506152] [2021-11-02 14:09:46,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094506152] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 14:09:46,902 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:09:46,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-02 14:09:46,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895974623] [2021-11-02 14:09:46,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-02 14:09:46,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:09:46,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-02 14:09:46,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-02 14:09:46,903 INFO L87 Difference]: Start difference. First operand 97 states and 110 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:09:46,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:09:46,973 INFO L93 Difference]: Finished difference Result 97 states and 110 transitions. [2021-11-02 14:09:46,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 14:09:46,973 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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 42 [2021-11-02 14:09:46,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:09:46,974 INFO L225 Difference]: With dead ends: 97 [2021-11-02 14:09:46,974 INFO L226 Difference]: Without dead ends: 0 [2021-11-02 14:09:46,974 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 53.51ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-11-02 14:09:46,974 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 5 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.16ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.98ms IncrementalHoareTripleChecker+Time [2021-11-02 14:09:46,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 0 Invalid, 25 Unknown, 0 Unchecked, 0.16ms Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 39.98ms Time] [2021-11-02 14:09:46,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-02 14:09:46,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-02 14:09:46,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:09:46,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-02 14:09:46,976 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2021-11-02 14:09:46,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:09:46,976 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 14:09:46,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:09:46,976 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-02 14:09:46,976 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-02 14:09:46,978 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2021-11-02 14:09:46,978 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2021-11-02 14:09:46,978 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2021-11-02 14:09:46,978 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2021-11-02 14:09:46,978 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2021-11-02 14:09:46,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-02 14:09:46,980 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-02 14:09:46,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 14:09:46,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 14:09:46,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 14:09:46,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 14:09:46,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 14:09:46,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 14:09:46,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 14:09:46,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 14:09:47,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 14:09:47,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 14:09:47,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 14:09:47,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 14:09:47,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 14:09:47,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 14:09:47,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 14:09:47,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 14:09:47,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 14:09:47,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 14:09:47,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 14:09:47,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 14:09:47,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 14:09:47,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 14:09:47,048 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-02 14:09:47,048 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-02 14:09:47,048 INFO L854 garLoopResultBuilder]: At program point L6891-1(lines 6890 6892) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-02 14:09:47,048 INFO L854 garLoopResultBuilder]: At program point L6891(lines 6890 6892) the Hoare annotation is: false [2021-11-02 14:09:47,048 INFO L861 garLoopResultBuilder]: At program point L8923(line 8923) the Hoare annotation is: true [2021-11-02 14:09:47,048 INFO L858 garLoopResultBuilder]: For program point L8032(lines 8032 8036) no Hoare annotation was computed. [2021-11-02 14:09:47,048 INFO L858 garLoopResultBuilder]: For program point L7421(lines 7421 7429) no Hoare annotation was computed. [2021-11-02 14:09:47,048 INFO L858 garLoopResultBuilder]: For program point L6811(lines 6811 6812) no Hoare annotation was computed. [2021-11-02 14:09:47,048 INFO L858 garLoopResultBuilder]: For program point L6811-5(lines 6811 6812) no Hoare annotation was computed. [2021-11-02 14:09:47,048 INFO L858 garLoopResultBuilder]: For program point L6811-3(lines 6811 6812) no Hoare annotation was computed. [2021-11-02 14:09:47,049 INFO L858 garLoopResultBuilder]: For program point L6811-2(lines 6811 6812) no Hoare annotation was computed. [2021-11-02 14:09:47,049 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 224) no Hoare annotation was computed. [2021-11-02 14:09:47,049 INFO L858 garLoopResultBuilder]: For program point L222-1(lines 7102 7112) no Hoare annotation was computed. [2021-11-02 14:09:47,049 INFO L858 garLoopResultBuilder]: For program point L222-2(lines 222 224) no Hoare annotation was computed. [2021-11-02 14:09:47,049 INFO L858 garLoopResultBuilder]: For program point L222-3(lines 222 224) no Hoare annotation was computed. [2021-11-02 14:09:47,049 INFO L858 garLoopResultBuilder]: For program point L222-4(lines 222 224) no Hoare annotation was computed. [2021-11-02 14:09:47,049 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-02 14:09:47,049 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-02 14:09:47,049 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-02 14:09:47,049 INFO L858 garLoopResultBuilder]: For program point L223-3(line 223) no Hoare annotation was computed. [2021-11-02 14:09:47,049 INFO L858 garLoopResultBuilder]: For program point L223-4(line 223) no Hoare annotation was computed. [2021-11-02 14:09:47,049 INFO L858 garLoopResultBuilder]: For program point L223-6(line 223) no Hoare annotation was computed. [2021-11-02 14:09:47,049 INFO L858 garLoopResultBuilder]: For program point L223-7(line 223) no Hoare annotation was computed. [2021-11-02 14:09:47,049 INFO L858 garLoopResultBuilder]: For program point L223-9(line 223) no Hoare annotation was computed. [2021-11-02 14:09:47,049 INFO L858 garLoopResultBuilder]: For program point L223-10(line 223) no Hoare annotation was computed. [2021-11-02 14:09:47,049 INFO L858 garLoopResultBuilder]: For program point L223-12(line 223) no Hoare annotation was computed. [2021-11-02 14:09:47,049 INFO L858 garLoopResultBuilder]: For program point L223-13(line 223) no Hoare annotation was computed. [2021-11-02 14:09:47,049 INFO L858 garLoopResultBuilder]: For program point L8911(lines 8911 8922) no Hoare annotation was computed. [2021-11-02 14:09:47,049 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-02 14:09:47,050 INFO L858 garLoopResultBuilder]: For program point L8912(lines 8912 8913) no Hoare annotation was computed. [2021-11-02 14:09:47,050 INFO L858 garLoopResultBuilder]: For program point L8912-2(lines 8912 8913) no Hoare annotation was computed. [2021-11-02 14:09:47,050 INFO L854 garLoopResultBuilder]: At program point L8038(lines 8019 8039) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-02 14:09:47,050 INFO L854 garLoopResultBuilder]: At program point L6816-1(lines 6807 6817) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-02 14:09:47,050 INFO L854 garLoopResultBuilder]: At program point L6816(lines 6807 6817) the Hoare annotation is: false [2021-11-02 14:09:47,050 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-02 14:09:47,050 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-02 14:09:47,050 INFO L858 garLoopResultBuilder]: For program point L210(lines 210 212) no Hoare annotation was computed. [2021-11-02 14:09:47,050 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2021-11-02 14:09:47,050 INFO L858 garLoopResultBuilder]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2021-11-02 14:09:47,050 INFO L858 garLoopResultBuilder]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2021-11-02 14:09:47,050 INFO L858 garLoopResultBuilder]: For program point L210-4(lines 210 212) no Hoare annotation was computed. [2021-11-02 14:09:47,050 INFO L858 garLoopResultBuilder]: For program point L210-5(lines 210 212) no Hoare annotation was computed. [2021-11-02 14:09:47,050 INFO L858 garLoopResultBuilder]: For program point L210-6(lines 210 212) no Hoare annotation was computed. [2021-11-02 14:09:47,050 INFO L858 garLoopResultBuilder]: For program point L210-7(lines 8026 8030) no Hoare annotation was computed. [2021-11-02 14:09:47,050 INFO L858 garLoopResultBuilder]: For program point L210-8(lines 210 212) no Hoare annotation was computed. [2021-11-02 14:09:47,050 INFO L858 garLoopResultBuilder]: For program point L8915(line 8915) no Hoare annotation was computed. [2021-11-02 14:09:47,050 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-02 14:09:47,050 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-02 14:09:47,051 INFO L858 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-11-02 14:09:47,051 INFO L858 garLoopResultBuilder]: For program point L211-4(line 211) no Hoare annotation was computed. [2021-11-02 14:09:47,051 INFO L858 garLoopResultBuilder]: For program point L211-6(line 211) no Hoare annotation was computed. [2021-11-02 14:09:47,051 INFO L858 garLoopResultBuilder]: For program point L8915-2(line 8915) no Hoare annotation was computed. [2021-11-02 14:09:47,051 INFO L858 garLoopResultBuilder]: For program point L211-8(line 211) no Hoare annotation was computed. [2021-11-02 14:09:47,051 INFO L858 garLoopResultBuilder]: For program point L211-10(line 211) no Hoare annotation was computed. [2021-11-02 14:09:47,051 INFO L858 garLoopResultBuilder]: For program point L211-12(line 211) no Hoare annotation was computed. [2021-11-02 14:09:47,051 INFO L861 garLoopResultBuilder]: At program point L261(line 261) the Hoare annotation is: true [2021-11-02 14:09:47,052 INFO L858 garLoopResultBuilder]: For program point L211-14(line 211) no Hoare annotation was computed. [2021-11-02 14:09:47,052 INFO L854 garLoopResultBuilder]: At program point L261-1(line 261) the Hoare annotation is: false [2021-11-02 14:09:47,052 INFO L854 garLoopResultBuilder]: At program point L261-2(line 261) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-02 14:09:47,052 INFO L858 garLoopResultBuilder]: For program point L211-16(line 211) no Hoare annotation was computed. [2021-11-02 14:09:47,052 INFO L854 garLoopResultBuilder]: At program point L261-3(line 261) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-02 14:09:47,052 INFO L858 garLoopResultBuilder]: For program point L8916(lines 8916 8921) no Hoare annotation was computed. [2021-11-02 14:09:47,052 INFO L858 garLoopResultBuilder]: For program point L6257-2(line 6257) no Hoare annotation was computed. [2021-11-02 14:09:47,052 INFO L858 garLoopResultBuilder]: For program point L6257-3(line 6257) no Hoare annotation was computed. [2021-11-02 14:09:47,052 INFO L858 garLoopResultBuilder]: For program point L6257(line 6257) no Hoare annotation was computed. [2021-11-02 14:09:47,052 INFO L854 garLoopResultBuilder]: At program point L6257-6(lines 6253 6258) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-02 14:09:47,052 INFO L858 garLoopResultBuilder]: For program point L6257-7(line 6257) no Hoare annotation was computed. [2021-11-02 14:09:47,053 INFO L858 garLoopResultBuilder]: For program point L6257-5(line 6257) no Hoare annotation was computed. [2021-11-02 14:09:47,053 INFO L858 garLoopResultBuilder]: For program point L6257-10(line 6257) no Hoare annotation was computed. [2021-11-02 14:09:47,053 INFO L854 garLoopResultBuilder]: At program point L7430(lines 7412 7431) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-02 14:09:47,053 INFO L858 garLoopResultBuilder]: For program point L6257-9(line 6257) no Hoare annotation was computed. [2021-11-02 14:09:47,053 INFO L858 garLoopResultBuilder]: For program point L6257-14(line 6257) no Hoare annotation was computed. [2021-11-02 14:09:47,053 INFO L858 garLoopResultBuilder]: For program point L6257-12(line 6257) no Hoare annotation was computed. [2021-11-02 14:09:47,053 INFO L854 garLoopResultBuilder]: At program point L6257-13(lines 6253 6258) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-02 14:09:47,053 INFO L858 garLoopResultBuilder]: For program point L6257-19(line 6257) no Hoare annotation was computed. [2021-11-02 14:09:47,053 INFO L858 garLoopResultBuilder]: For program point L6257-16(line 6257) no Hoare annotation was computed. [2021-11-02 14:09:47,053 INFO L858 garLoopResultBuilder]: For program point L6257-17(line 6257) no Hoare annotation was computed. [2021-11-02 14:09:47,053 INFO L858 garLoopResultBuilder]: For program point L6257-23(line 6257) no Hoare annotation was computed. [2021-11-02 14:09:47,053 INFO L858 garLoopResultBuilder]: For program point L7100(lines 7100 7113) no Hoare annotation was computed. [2021-11-02 14:09:47,053 INFO L854 garLoopResultBuilder]: At program point L6257-20(lines 6253 6258) the Hoare annotation is: false [2021-11-02 14:09:47,053 INFO L858 garLoopResultBuilder]: For program point L6257-21(line 6257) no Hoare annotation was computed. [2021-11-02 14:09:47,053 INFO L858 garLoopResultBuilder]: For program point L7414(line 7414) no Hoare annotation was computed. [2021-11-02 14:09:47,053 INFO L858 garLoopResultBuilder]: For program point L6257-26(line 6257) no Hoare annotation was computed. [2021-11-02 14:09:47,053 INFO L854 garLoopResultBuilder]: At program point L6257-27(lines 6253 6258) the Hoare annotation is: false [2021-11-02 14:09:47,053 INFO L858 garLoopResultBuilder]: For program point L6257-24(line 6257) no Hoare annotation was computed. [2021-11-02 14:09:47,053 INFO L858 garLoopResultBuilder]: For program point L7414-2(line 7414) no Hoare annotation was computed. [2021-11-02 14:09:47,054 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-02 14:09:47,054 INFO L858 garLoopResultBuilder]: For program point L7415(line 7415) no Hoare annotation was computed. [2021-11-02 14:09:47,054 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-02 14:09:47,054 INFO L854 garLoopResultBuilder]: At program point L6804-1(lines 6801 6805) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-02 14:09:47,054 INFO L854 garLoopResultBuilder]: At program point L6804(lines 6801 6805) the Hoare annotation is: false [2021-11-02 14:09:47,054 INFO L858 garLoopResultBuilder]: For program point L7415-2(line 7415) no Hoare annotation was computed. [2021-11-02 14:09:47,054 INFO L854 garLoopResultBuilder]: At program point L6887-1(lines 6883 6888) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-02 14:09:47,054 INFO L854 garLoopResultBuilder]: At program point L6887(lines 6883 6888) the Hoare annotation is: false [2021-11-02 14:09:47,054 INFO L858 garLoopResultBuilder]: For program point L7416(lines 7416 7420) no Hoare annotation was computed. [2021-11-02 14:09:47,054 INFO L854 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: (= 16 ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size) [2021-11-02 14:09:47,054 INFO L854 garLoopResultBuilder]: At program point L266-1(line 266) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_eq_harness_~str_a~1.base 0)) [2021-11-02 14:09:47,054 INFO L854 garLoopResultBuilder]: At program point L266-2(line 266) the Hoare annotation is: false [2021-11-02 14:09:47,058 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:09:47,059 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-02 14:09:47,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 02:09:47 BoogieIcfgContainer [2021-11-02 14:09:47,070 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-02 14:09:47,071 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 14:09:47,071 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 14:09:47,071 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 14:09:47,071 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 02:09:43" (3/4) ... [2021-11-02 14:09:47,076 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-02 14:09:47,097 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2021-11-02 14:09:47,098 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-02 14:09:47,099 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-02 14:09:47,100 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-02 14:09:47,270 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-11-02 14:09:47,270 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 14:09:47,271 INFO L158 Benchmark]: Toolchain (without parser) took 6920.27ms. Allocated memory was 100.7MB in the beginning and 281.0MB in the end (delta: 180.4MB). Free memory was 55.8MB in the beginning and 199.4MB in the end (delta: -143.6MB). Peak memory consumption was 166.9MB. Max. memory is 16.1GB. [2021-11-02 14:09:47,271 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 100.7MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-02 14:09:47,272 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2319.68ms. Allocated memory was 100.7MB in the beginning and 163.6MB in the end (delta: 62.9MB). Free memory was 55.6MB in the beginning and 97.4MB in the end (delta: -41.8MB). Peak memory consumption was 84.8MB. Max. memory is 16.1GB. [2021-11-02 14:09:47,272 INFO L158 Benchmark]: Boogie Procedure Inliner took 143.31ms. Allocated memory is still 163.6MB. Free memory was 97.4MB in the beginning and 88.2MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-02 14:09:47,272 INFO L158 Benchmark]: Boogie Preprocessor took 83.56ms. Allocated memory is still 163.6MB. Free memory was 88.2MB in the beginning and 84.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-02 14:09:47,272 INFO L158 Benchmark]: RCFGBuilder took 666.68ms. Allocated memory was 163.6MB in the beginning and 211.8MB in the end (delta: 48.2MB). Free memory was 83.9MB in the beginning and 158.7MB in the end (delta: -74.8MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2021-11-02 14:09:47,273 INFO L158 Benchmark]: TraceAbstraction took 3498.61ms. Allocated memory was 211.8MB in the beginning and 281.0MB in the end (delta: 69.2MB). Free memory was 158.7MB in the beginning and 108.2MB in the end (delta: 50.5MB). Peak memory consumption was 116.5MB. Max. memory is 16.1GB. [2021-11-02 14:09:47,273 INFO L158 Benchmark]: Witness Printer took 200.04ms. Allocated memory is still 281.0MB. Free memory was 108.2MB in the beginning and 199.4MB in the end (delta: -91.2MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2021-11-02 14:09:47,274 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 100.7MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2319.68ms. Allocated memory was 100.7MB in the beginning and 163.6MB in the end (delta: 62.9MB). Free memory was 55.6MB in the beginning and 97.4MB in the end (delta: -41.8MB). Peak memory consumption was 84.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 143.31ms. Allocated memory is still 163.6MB. Free memory was 97.4MB in the beginning and 88.2MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.56ms. Allocated memory is still 163.6MB. Free memory was 88.2MB in the beginning and 84.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 666.68ms. Allocated memory was 163.6MB in the beginning and 211.8MB in the end (delta: 48.2MB). Free memory was 83.9MB in the beginning and 158.7MB in the end (delta: -74.8MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3498.61ms. Allocated memory was 211.8MB in the beginning and 281.0MB in the end (delta: 69.2MB). Free memory was 158.7MB in the beginning and 108.2MB in the end (delta: 50.5MB). Peak memory consumption was 116.5MB. Max. memory is 16.1GB. * Witness Printer took 200.04ms. Allocated memory is still 281.0MB. Free memory was 108.2MB in the beginning and 199.4MB in the end (delta: -91.2MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms 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 - 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, 98 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 3434.91ms, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 21.90ms, AutomataDifference: 2043.95ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 68.72ms, InitialAbstractionConstructionTime: 11.48ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1489 SdHoareTripleChecker+Valid, 1520.46ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1489 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1171.36ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1241 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2200 IncrementalHoareTripleChecker+Invalid, 2257 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 0 mSDtfsCounter, 2200 mSolverCounterSat, 18.23ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 407.21ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=4, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 60.00ms AutomataMinimizationTime, 7 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 22 LocationsWithAnnotation, 22 PreInvPairs, 34 NumberOfFragments, 90 HoareAnnotationTreeSize, 22 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 25.04ms HoareSimplificationTime, 22 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 37.55ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 33.64ms SsaConstructionTime, 278.23ms SatisfiabilityAnalysisTime, 659.78ms InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 488 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 5 specifications checked. All of them hold - InvariantResult [Line: 6253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6883]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 6801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6807]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 7412]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 6253]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 6890]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 6253]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 16 == max_size - InvariantResult [Line: 6253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8923]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 6890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8019]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6883]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 6801]: Loop Invariant Derived loop invariant: str_a == 0 && str_a == 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-02 14:09:47,308 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE