java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:40:14,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:40:14,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:40:14,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:40:14,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:40:14,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:40:14,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:40:14,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:40:14,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:40:14,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:40:14,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:40:14,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:40:14,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:40:14,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:40:14,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:40:14,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:40:14,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:40:14,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:40:14,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:40:14,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:40:14,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:40:14,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:40:14,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:40:14,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:40:14,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:40:14,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:40:14,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:40:14,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:40:14,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:40:14,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:40:14,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:40:14,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:40:14,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:40:14,263 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:40:14,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:40:14,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:40:14,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:40:14,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:40:14,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:40:14,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:40:14,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:40:14,267 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 02:40:14,282 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:40:14,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:40:14,283 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:40:14,283 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:40:14,283 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:40:14,284 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:40:14,284 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:40:14,284 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:40:14,284 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:40:14,284 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:40:14,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:40:14,285 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:40:14,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:40:14,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:40:14,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:40:14,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:40:14,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:40:14,286 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:40:14,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:40:14,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:40:14,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:40:14,287 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:40:14,287 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:40:14,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:40:14,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:40:14,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:40:14,288 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:40:14,288 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:40:14,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:40:14,289 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:40:14,316 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:40:14,328 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:40:14,331 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:40:14,333 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:40:14,333 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:40:14,334 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product30.cil.c [2019-09-10 02:40:14,410 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc4965076/5970a1c2ff6b486d8f5f2a0c5afff210/FLAG03bda34d4 [2019-09-10 02:40:15,004 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:40:15,005 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product30.cil.c [2019-09-10 02:40:15,049 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc4965076/5970a1c2ff6b486d8f5f2a0c5afff210/FLAG03bda34d4 [2019-09-10 02:40:15,241 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc4965076/5970a1c2ff6b486d8f5f2a0c5afff210 [2019-09-10 02:40:15,249 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:40:15,250 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:40:15,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:40:15,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:40:15,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:40:15,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:40:15" (1/1) ... [2019-09-10 02:40:15,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5375fc44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:15, skipping insertion in model container [2019-09-10 02:40:15,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:40:15" (1/1) ... [2019-09-10 02:40:15,265 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:40:15,352 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:40:16,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:40:16,078 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:40:16,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:40:16,328 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:40:16,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:16 WrapperNode [2019-09-10 02:40:16,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:40:16,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:40:16,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:40:16,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:40:16,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:16" (1/1) ... [2019-09-10 02:40:16,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:16" (1/1) ... [2019-09-10 02:40:16,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:16" (1/1) ... [2019-09-10 02:40:16,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:16" (1/1) ... [2019-09-10 02:40:16,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:16" (1/1) ... [2019-09-10 02:40:16,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:16" (1/1) ... [2019-09-10 02:40:16,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:16" (1/1) ... [2019-09-10 02:40:16,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:40:16,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:40:16,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:40:16,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:40:16,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:40:16,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:40:16,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:40:16,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:40:16,645 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-09-10 02:40:16,645 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-09-10 02:40:16,645 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-09-10 02:40:16,646 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:40:16,646 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-09-10 02:40:16,646 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:40:16,646 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:40:16,647 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:40:16,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-09-10 02:40:16,647 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-10 02:40:16,647 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:40:16,647 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-10 02:40:16,648 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:40:16,648 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-10 02:40:16,648 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:40:16,648 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:40:16,648 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:40:16,648 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:40:16,649 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:40:16,649 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-10 02:40:16,649 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-10 02:40:16,649 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-10 02:40:16,649 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-10 02:40:16,650 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-10 02:40:16,650 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-10 02:40:16,650 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-10 02:40:16,650 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-10 02:40:16,651 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-10 02:40:16,651 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-09-10 02:40:16,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:40:16,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:40:16,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:40:16,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:40:16,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:40:16,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:40:16,652 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:40:16,653 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:40:16,653 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:40:16,653 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:40:16,653 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:40:16,653 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:40:16,654 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:40:16,654 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:40:16,654 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:40:16,654 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:40:16,655 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:40:16,655 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:40:16,655 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:40:16,655 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:40:16,656 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:40:16,656 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:40:16,656 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:40:16,656 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:40:16,656 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:40:16,656 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:40:16,657 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:40:16,657 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:40:16,657 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:40:16,657 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:40:16,657 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:40:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:40:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:40:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:40:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:40:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:40:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-09-10 02:40:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:40:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:40:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:40:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-09-10 02:40:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-09-10 02:40:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-09-10 02:40:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:40:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:40:16,661 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:40:16,661 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:40:16,661 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:40:16,661 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:40:16,661 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:40:16,662 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-10 02:40:16,662 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-10 02:40:16,662 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-09-10 02:40:16,662 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-09-10 02:40:16,662 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-09-10 02:40:16,662 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:40:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:40:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:40:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:40:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:40:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:40:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:40:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:40:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:40:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:40:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:40:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:40:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:40:16,665 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:40:16,665 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:40:16,665 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:40:16,665 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:40:16,665 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:40:16,666 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:40:16,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:40:16,666 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:40:16,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:40:16,666 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:40:16,666 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:40:16,666 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:40:16,667 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:40:16,667 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:40:16,667 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:40:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:40:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:40:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:40:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:40:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:40:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:40:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:40:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:40:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:40:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:40:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:40:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:40:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:40:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:40:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:40:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:40:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:40:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-09-10 02:40:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:40:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-09-10 02:40:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-09-10 02:40:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-09-10 02:40:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:40:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:40:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-09-10 02:40:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:40:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:40:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:40:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:40:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:40:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:40:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:40:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:40:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:40:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:40:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:40:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:40:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:40:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:40:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:40:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:40:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-10 02:40:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:40:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:40:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:40:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:40:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:40:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:40:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:40:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:40:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-10 02:40:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-10 02:40:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-10 02:40:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-10 02:40:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-10 02:40:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-10 02:40:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-10 02:40:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-10 02:40:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-10 02:40:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-09-10 02:40:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-10 02:40:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-10 02:40:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-10 02:40:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:40:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:40:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:40:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:40:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:40:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:40:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:40:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:40:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:40:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:40:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:40:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:40:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:40:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:40:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:40:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:40:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:40:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:40:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:40:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:40:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:40:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:40:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:40:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:40:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:40:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:40:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:40:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:40:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:40:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:40:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:40:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:40:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:40:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:40:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:40:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:40:16,686 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:40:16,686 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:40:16,686 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:40:16,686 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:40:16,686 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:40:16,686 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:40:16,687 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:40:16,687 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:40:16,687 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:40:16,687 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:40:16,687 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:40:16,687 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-10 02:40:16,688 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-09-10 02:40:16,688 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-09-10 02:40:16,688 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-09-10 02:40:16,688 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-09-10 02:40:16,688 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:40:16,688 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-09-10 02:40:16,689 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-09-10 02:40:16,689 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-09-10 02:40:16,689 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:40:16,689 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:40:16,689 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:40:16,689 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:40:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:40:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:40:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:40:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:40:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:40:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:40:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:40:19,173 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:40:19,174 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:40:19,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:40:19 BoogieIcfgContainer [2019-09-10 02:40:19,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:40:19,177 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:40:19,177 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:40:19,181 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:40:19,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:40:15" (1/3) ... [2019-09-10 02:40:19,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b27df8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:40:19, skipping insertion in model container [2019-09-10 02:40:19,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:16" (2/3) ... [2019-09-10 02:40:19,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b27df8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:40:19, skipping insertion in model container [2019-09-10 02:40:19,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:40:19" (3/3) ... [2019-09-10 02:40:19,185 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product30.cil.c [2019-09-10 02:40:19,195 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:40:19,207 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:40:19,226 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:40:19,261 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:40:19,262 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:40:19,262 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:40:19,262 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:40:19,262 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:40:19,262 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:40:19,265 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:40:19,266 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:40:19,305 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states. [2019-09-10 02:40:19,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-09-10 02:40:19,334 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:19,335 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:19,338 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:19,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:19,344 INFO L82 PathProgramCache]: Analyzing trace with hash -928970746, now seen corresponding path program 1 times [2019-09-10 02:40:19,346 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:19,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:19,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:19,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:19,394 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:19,998 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:20,000 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:20,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:40:20,001 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:20,008 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:40:20,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:40:20,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:40:20,026 INFO L87 Difference]: Start difference. First operand 544 states. Second operand 2 states. [2019-09-10 02:40:20,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:20,091 INFO L93 Difference]: Finished difference Result 502 states and 666 transitions. [2019-09-10 02:40:20,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:40:20,093 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 158 [2019-09-10 02:40:20,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:20,113 INFO L225 Difference]: With dead ends: 502 [2019-09-10 02:40:20,114 INFO L226 Difference]: Without dead ends: 493 [2019-09-10 02:40:20,115 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:40:20,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2019-09-10 02:40:20,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 493. [2019-09-10 02:40:20,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2019-09-10 02:40:20,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 655 transitions. [2019-09-10 02:40:20,220 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 655 transitions. Word has length 158 [2019-09-10 02:40:20,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:20,223 INFO L475 AbstractCegarLoop]: Abstraction has 493 states and 655 transitions. [2019-09-10 02:40:20,223 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:40:20,224 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 655 transitions. [2019-09-10 02:40:20,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-09-10 02:40:20,236 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:20,237 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:20,237 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:20,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:20,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1108945686, now seen corresponding path program 1 times [2019-09-10 02:40:20,238 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:20,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:20,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:20,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:20,241 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:20,500 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:20,501 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:20,501 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:40:20,501 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:20,506 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:40:20,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:40:20,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:20,508 INFO L87 Difference]: Start difference. First operand 493 states and 655 transitions. Second operand 3 states. [2019-09-10 02:40:20,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:20,559 INFO L93 Difference]: Finished difference Result 496 states and 658 transitions. [2019-09-10 02:40:20,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:40:20,561 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2019-09-10 02:40:20,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:20,567 INFO L225 Difference]: With dead ends: 496 [2019-09-10 02:40:20,567 INFO L226 Difference]: Without dead ends: 496 [2019-09-10 02:40:20,568 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:20,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2019-09-10 02:40:20,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 495. [2019-09-10 02:40:20,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 495 states. [2019-09-10 02:40:20,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 657 transitions. [2019-09-10 02:40:20,614 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 657 transitions. Word has length 159 [2019-09-10 02:40:20,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:20,615 INFO L475 AbstractCegarLoop]: Abstraction has 495 states and 657 transitions. [2019-09-10 02:40:20,615 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:40:20,615 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 657 transitions. [2019-09-10 02:40:20,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-09-10 02:40:20,621 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:20,621 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:20,621 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:20,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:20,622 INFO L82 PathProgramCache]: Analyzing trace with hash -224355654, now seen corresponding path program 1 times [2019-09-10 02:40:20,622 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:20,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:20,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:20,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:20,623 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:20,783 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:20,784 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:20,784 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:40:20,784 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:20,784 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:40:20,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:40:20,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:20,785 INFO L87 Difference]: Start difference. First operand 495 states and 657 transitions. Second operand 3 states. [2019-09-10 02:40:20,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:20,809 INFO L93 Difference]: Finished difference Result 536 states and 727 transitions. [2019-09-10 02:40:20,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:40:20,809 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2019-09-10 02:40:20,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:20,814 INFO L225 Difference]: With dead ends: 536 [2019-09-10 02:40:20,814 INFO L226 Difference]: Without dead ends: 536 [2019-09-10 02:40:20,815 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:20,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2019-09-10 02:40:20,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 535. [2019-09-10 02:40:20,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 535 states. [2019-09-10 02:40:20,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 726 transitions. [2019-09-10 02:40:20,878 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 726 transitions. Word has length 169 [2019-09-10 02:40:20,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:20,879 INFO L475 AbstractCegarLoop]: Abstraction has 535 states and 726 transitions. [2019-09-10 02:40:20,879 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:40:20,879 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 726 transitions. [2019-09-10 02:40:20,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-09-10 02:40:20,882 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:20,883 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:20,883 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:20,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:20,884 INFO L82 PathProgramCache]: Analyzing trace with hash -1274478536, now seen corresponding path program 1 times [2019-09-10 02:40:20,884 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:20,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:20,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:20,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:20,885 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:21,059 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:21,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:21,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:40:21,063 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:21,063 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:40:21,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:40:21,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:21,066 INFO L87 Difference]: Start difference. First operand 535 states and 726 transitions. Second operand 3 states. [2019-09-10 02:40:21,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:21,093 INFO L93 Difference]: Finished difference Result 613 states and 859 transitions. [2019-09-10 02:40:21,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:40:21,094 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2019-09-10 02:40:21,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:21,098 INFO L225 Difference]: With dead ends: 613 [2019-09-10 02:40:21,099 INFO L226 Difference]: Without dead ends: 613 [2019-09-10 02:40:21,099 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:21,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2019-09-10 02:40:21,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 612. [2019-09-10 02:40:21,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2019-09-10 02:40:21,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 858 transitions. [2019-09-10 02:40:21,126 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 858 transitions. Word has length 170 [2019-09-10 02:40:21,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:21,127 INFO L475 AbstractCegarLoop]: Abstraction has 612 states and 858 transitions. [2019-09-10 02:40:21,127 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:40:21,127 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 858 transitions. [2019-09-10 02:40:21,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-09-10 02:40:21,133 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:21,133 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:21,133 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:21,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:21,134 INFO L82 PathProgramCache]: Analyzing trace with hash 124962842, now seen corresponding path program 1 times [2019-09-10 02:40:21,134 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:21,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:21,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:21,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:21,135 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:21,328 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:21,328 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:21,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:40:21,328 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:21,329 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:40:21,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:40:21,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:21,330 INFO L87 Difference]: Start difference. First operand 612 states and 858 transitions. Second operand 3 states. [2019-09-10 02:40:21,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:21,369 INFO L93 Difference]: Finished difference Result 761 states and 1111 transitions. [2019-09-10 02:40:21,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:40:21,371 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2019-09-10 02:40:21,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:21,378 INFO L225 Difference]: With dead ends: 761 [2019-09-10 02:40:21,379 INFO L226 Difference]: Without dead ends: 761 [2019-09-10 02:40:21,379 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:21,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2019-09-10 02:40:21,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 760. [2019-09-10 02:40:21,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 760 states. [2019-09-10 02:40:21,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1110 transitions. [2019-09-10 02:40:21,419 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1110 transitions. Word has length 171 [2019-09-10 02:40:21,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:21,419 INFO L475 AbstractCegarLoop]: Abstraction has 760 states and 1110 transitions. [2019-09-10 02:40:21,419 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:40:21,420 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1110 transitions. [2019-09-10 02:40:21,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-09-10 02:40:21,424 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:21,424 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:21,424 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:21,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:21,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1376144088, now seen corresponding path program 1 times [2019-09-10 02:40:21,425 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:21,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:21,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:21,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:21,427 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:21,681 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:21,681 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:21,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:40:21,682 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:21,682 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:40:21,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:40:21,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:21,683 INFO L87 Difference]: Start difference. First operand 760 states and 1110 transitions. Second operand 3 states. [2019-09-10 02:40:21,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:21,706 INFO L93 Difference]: Finished difference Result 1045 states and 1591 transitions. [2019-09-10 02:40:21,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:40:21,707 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2019-09-10 02:40:21,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:21,715 INFO L225 Difference]: With dead ends: 1045 [2019-09-10 02:40:21,716 INFO L226 Difference]: Without dead ends: 1045 [2019-09-10 02:40:21,716 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:21,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2019-09-10 02:40:21,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1044. [2019-09-10 02:40:21,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1044 states. [2019-09-10 02:40:21,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1590 transitions. [2019-09-10 02:40:21,753 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1590 transitions. Word has length 172 [2019-09-10 02:40:21,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:21,755 INFO L475 AbstractCegarLoop]: Abstraction has 1044 states and 1590 transitions. [2019-09-10 02:40:21,756 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:40:21,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1590 transitions. [2019-09-10 02:40:21,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-09-10 02:40:21,765 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:21,765 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:21,766 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:21,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:21,766 INFO L82 PathProgramCache]: Analyzing trace with hash -1552369098, now seen corresponding path program 1 times [2019-09-10 02:40:21,766 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:21,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:21,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:21,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:21,769 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:21,939 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:21,939 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:21,939 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:40:21,940 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:21,940 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:40:21,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:40:21,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:40:21,941 INFO L87 Difference]: Start difference. First operand 1044 states and 1590 transitions. Second operand 6 states. [2019-09-10 02:40:22,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:22,492 INFO L93 Difference]: Finished difference Result 1058 states and 1607 transitions. [2019-09-10 02:40:22,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 02:40:22,492 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 175 [2019-09-10 02:40:22,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:22,499 INFO L225 Difference]: With dead ends: 1058 [2019-09-10 02:40:22,499 INFO L226 Difference]: Without dead ends: 1056 [2019-09-10 02:40:22,500 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-10 02:40:22,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2019-09-10 02:40:22,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1056. [2019-09-10 02:40:22,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1056 states. [2019-09-10 02:40:22,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1605 transitions. [2019-09-10 02:40:22,530 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1605 transitions. Word has length 175 [2019-09-10 02:40:22,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:22,531 INFO L475 AbstractCegarLoop]: Abstraction has 1056 states and 1605 transitions. [2019-09-10 02:40:22,531 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:40:22,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1605 transitions. [2019-09-10 02:40:22,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-09-10 02:40:22,537 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:22,538 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:22,538 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:22,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:22,538 INFO L82 PathProgramCache]: Analyzing trace with hash 841713018, now seen corresponding path program 1 times [2019-09-10 02:40:22,539 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:22,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:22,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:22,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:22,540 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:22,714 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:22,715 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:22,715 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:40:22,715 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:22,716 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:40:22,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:40:22,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:22,716 INFO L87 Difference]: Start difference. First operand 1056 states and 1605 transitions. Second operand 3 states. [2019-09-10 02:40:22,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:22,739 INFO L93 Difference]: Finished difference Result 1601 states and 2518 transitions. [2019-09-10 02:40:22,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:40:22,740 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2019-09-10 02:40:22,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:22,749 INFO L225 Difference]: With dead ends: 1601 [2019-09-10 02:40:22,750 INFO L226 Difference]: Without dead ends: 1601 [2019-09-10 02:40:22,750 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:22,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1601 states. [2019-09-10 02:40:22,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1601 to 1600. [2019-09-10 02:40:22,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1600 states. [2019-09-10 02:40:22,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1600 states and 2517 transitions. [2019-09-10 02:40:22,796 INFO L78 Accepts]: Start accepts. Automaton has 1600 states and 2517 transitions. Word has length 173 [2019-09-10 02:40:22,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:22,797 INFO L475 AbstractCegarLoop]: Abstraction has 1600 states and 2517 transitions. [2019-09-10 02:40:22,797 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:40:22,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1600 states and 2517 transitions. [2019-09-10 02:40:22,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-09-10 02:40:22,805 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:22,805 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:22,805 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:22,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:22,806 INFO L82 PathProgramCache]: Analyzing trace with hash 677860214, now seen corresponding path program 1 times [2019-09-10 02:40:22,806 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:22,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:22,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:22,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:22,807 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:22,958 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-10 02:40:22,958 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:40:22,959 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:40:22,960 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 177 with the following transitions: [2019-09-10 02:40:22,962 INFO L207 CegarAbsIntRunner]: [59], [62], [72], [117], [133], [136], [150], [151], [153], [263], [265], [269], [272], [273], [274], [277], [283], [319], [326], [328], [331], [337], [339], [341], [348], [355], [358], [367], [388], [390], [391], [394], [404], [478], [667], [669], [670], [671], [707], [710], [724], [763], [764], [765], [782], [784], [787], [791], [815], [819], [822], [830], [833], [897], [906], [910], [912], [914], [917], [924], [931], [934], [936], [1070], [1075], [1078], [1087], [1195], [1249], [1271], [1282], [1285], [1286], [1289], [1292], [1323], [1324], [1326], [1395], [1398], [1404], [1439], [1442], [1456], [1462], [1465], [1474], [1663], [1665], [1667], [1669], [1670], [1698], [1708], [1709], [1710], [1711], [1712], [1713], [1716], [1717], [1718], [1719], [1720], [1722], [1723], [1724], [1725], [1740], [1741], [1742], [1744], [1745], [1746], [1747], [1752], [1764], [1765], [1790], [1791], [1812], [1813], [1826], [1832], [1833], [1838], [1839], [1840], [1841], [1842], [1843], [1844], [1845], [1846], [1848], [1849], [1850], [1851], [1884], [1885], [1900], [1902], [1903], [1904], [1906], [1907], [1908], [1909], [1910], [1911], [1912], [1924], [1925], [1926], [1927], [1928], [1929], [1930], [1931], [1932] [2019-09-10 02:40:23,020 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:40:23,021 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:40:23,197 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:40:23,198 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 201 root evaluator evaluations with a maximum evaluation depth of 0. Performed 201 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 374 variables. [2019-09-10 02:40:23,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:23,202 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:40:23,266 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:40:23,266 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:40:23,271 INFO L420 sIntCurrentIteration]: We unified 175 AI predicates to 175 [2019-09-10 02:40:23,271 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:40:23,272 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:40:23,272 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 7 [2019-09-10 02:40:23,272 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:23,273 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:40:23,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:40:23,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:40:23,274 INFO L87 Difference]: Start difference. First operand 1600 states and 2517 transitions. Second operand 2 states. [2019-09-10 02:40:23,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:23,274 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:40:23,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:40:23,275 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 176 [2019-09-10 02:40:23,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:23,275 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:40:23,275 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:40:23,276 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:40:23,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:40:23,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:40:23,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:40:23,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:40:23,277 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2019-09-10 02:40:23,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:23,277 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:40:23,277 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:40:23,277 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:40:23,277 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:40:23,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:40:23 BoogieIcfgContainer [2019-09-10 02:40:23,282 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:40:23,285 INFO L168 Benchmark]: Toolchain (without parser) took 8033.61 ms. Allocated memory was 134.2 MB in the beginning and 402.1 MB in the end (delta: 267.9 MB). Free memory was 87.5 MB in the beginning and 199.2 MB in the end (delta: -111.7 MB). Peak memory consumption was 156.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:23,286 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:40:23,287 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1078.13 ms. Allocated memory was 134.2 MB in the beginning and 202.4 MB in the end (delta: 68.2 MB). Free memory was 87.3 MB in the beginning and 132.0 MB in the end (delta: -44.8 MB). Peak memory consumption was 34.0 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:23,288 INFO L168 Benchmark]: Boogie Preprocessor took 236.15 ms. Allocated memory is still 202.4 MB. Free memory was 132.0 MB in the beginning and 122.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:23,289 INFO L168 Benchmark]: RCFGBuilder took 2605.18 ms. Allocated memory was 202.4 MB in the beginning and 262.7 MB in the end (delta: 60.3 MB). Free memory was 122.8 MB in the beginning and 153.4 MB in the end (delta: -30.6 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:23,290 INFO L168 Benchmark]: TraceAbstraction took 4105.45 ms. Allocated memory was 262.7 MB in the beginning and 402.1 MB in the end (delta: 139.5 MB). Free memory was 153.4 MB in the beginning and 199.2 MB in the end (delta: -45.8 MB). Peak memory consumption was 93.7 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:23,294 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1078.13 ms. Allocated memory was 134.2 MB in the beginning and 202.4 MB in the end (delta: 68.2 MB). Free memory was 87.3 MB in the beginning and 132.0 MB in the end (delta: -44.8 MB). Peak memory consumption was 34.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 236.15 ms. Allocated memory is still 202.4 MB. Free memory was 132.0 MB in the beginning and 122.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2605.18 ms. Allocated memory was 202.4 MB in the beginning and 262.7 MB in the end (delta: 60.3 MB). Free memory was 122.8 MB in the beginning and 153.4 MB in the end (delta: -30.6 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4105.45 ms. Allocated memory was 262.7 MB in the beginning and 402.1 MB in the end (delta: 139.5 MB). Free memory was 153.4 MB in the beginning and 199.2 MB in the end (delta: -45.8 MB). Peak memory consumption was 93.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2729]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 115 procedures, 793 locations, 1 error locations. SAFE Result, 4.0s OverallTime, 9 OverallIterations, 3 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5303 SDtfs, 902 SDslu, 5677 SDs, 0 SdLazy, 245 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 203 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1600occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.24 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 6 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1523 NumberOfCodeBlocks, 1523 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1514 ConstructedInterpolants, 0 QuantifiedInterpolants, 279404 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 263/266 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...